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CASE IH JX1095N Tractor Service Repair Manual Instant Download.pdf

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This document is a repair manual for Case IH tractors JX1075N through JX1095N. It contains sections covering various tractor systems and components. The sections are numbered and titled, with page numbers listed but no content shown. An introduction provides the manual and section details. Safety information and general instructions are provided at the start regarding repair procedures, hardware, emissions, and consumables.

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87352295 6/05 © 2005 CNH America LLC Printed In U.S.A. JX1075N - - JX1095N REPAIR MANUAL COMPLETE CONTENTS SECTION 00 - GENERAL 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 10 - ENGINE 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 18 - CLUTCH 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 21 - TRANSMISSIONS 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 23 - MFD TRANSFER BOX AND AUTO MFD 10 . . . . . . . . . . . . . . . . . SECTION 25 - FRONT AXLE MECHANICAL TRANSMISSION 12 . . . . . . . . . . . SECTION 27 - REAR AXLE MECHANICAL TRANSMISSION 14 . . . . . . . . . . . . . SECTION 31 - MECHANICAL POWER TAKE-OFF 15 . . . . . . . . . . . . . . . . . . . . . . SECTION 33 - BRAKES 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 35 - HYDRAULIC SYSTEM 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 41 - STEERING 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 44 - FRONT AXLE - - 2WD 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 50 - CAB CLIMATE CONTROL 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 55 - ELECTRICAL SYSTEM 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 90 - CAB, PLATFORM, AND BODYWORK 29 . . . . . . . . . . . . . . . . . . . . The following pages are the collation of the contents pages from each section and chapter of the JX1075N - - JX1095N Tractor Repair manual. Complete Repair part # 87352289. The sections used through out all Case IH product Repair manuals may not be used for each product. Each Repair manual will be made up of one or several books. Each book will be labeled as to which sections are in the overall Repair manual and which sections are in each book. The sections listed above are the sections utilized for the JX1075N - - JX1095N Tractors.
SECTION 00 - - GENERAL - - CHAPTER 1 1 SECTION 00 - GENERAL Chapter 1 - General CONTENTS Section Description Page General Instructions 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Health and Safety 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Precautionary Statements 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ecology and the Environment 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Minimum Hardware Tightening Torques 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Federal Emissions Warranty 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . California Emission Control Warranty Statement 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Consumables 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 00 - - GENERAL - - CHAPTER 1 2 WARNING All maintenance and repair work described in this manual must be performed exclusively by CASE IH service technicians in strict accordance with the instructions given and using any specific tools necessary. WARNING Anyone who performs the operations described herein without strictly following the instructions is personally responsible for resulting injury or damage to property. WARNING The Manufacturer and all organizations belong- ing to the Manufacturer’s distribution network, including but not restricted to national, regional or local distributors, will accept no responsibility for personal injury or damage to property caused by abnormal function of parts and/or compo- nents not approved by the Manufacturer, including those used for maintenance and/or repair of the product manufactured or marketed by the Manufacturer. In any case, the product manufactured or marketed by the Manufacturer is covered by no guarantee of any kind against personal injury or damage to property caused by abnormal function of parts and/or components not approved by the Manufacturer.
SECTION 00 - - GENERAL - - CHAPTER 1 3 GENERAL INSTRUCTIONS IMPORTANT NOTICE All maintenance and repair operations described in this manual should be carried out exclusively by the authorised workshops. All instructions detailed should be carefully observed and special equipment indicated should be used if necessary. Everyone who carries out service operations described without carefully observing these prescrip- tions will be directly responsible of deriving damages. SHIMMING At each adjustment, select adjusting shims, measure them individually using a micrometer and then sum up recorded values. Do not rely on measuring the whole shimming set, which may be incorrect, or on the rated value indicated for each shim. ROTATING SHAFT SEALS To correctly install rotating shaft seals, observe the following instructions: • Let the seal soak into the same oil as it will seal for at least half an hour before mounting; • Thoroughly clean the shaft and ensure that the shaft working surface is not damaged; • Place the sealing lip towards the fluid. In case of a hydrodynamic lip, consider the shaft rotation direction and orient grooves in order that they deviate the fluid towards the inner side of the seal; • Coat the sealing lip with a thin layer of lubricant (oil rather than grease) and fill the gap between the sealing lip and the dust lip of double lip seals with grease; • Insert the seal into its seat and press it down using a flat punch. Do not tap the seal with a hammer or a drift; • Take care to insert the seal perpendicularly to its seat while you are pressing it. Once the seal is settled, ensure that it contacts the thrust element, if required; • To prevent damaging the sealing lip against the shaft, place a suitable protection during installation. O RINGS Lubricate the O rings before inserting them into their seats. This will prevent the O rings from roll over and twisting during mounting, which will jeopardize sealing. SEALERS Apply silicone/gasket eliminator over the mating surfaces marked with an X. Before applying the sealer, prepare the surface as follows: • remove possible scales using a metal brush; • thoroughly degrease the surfaces using one of the following cleaning agents: trichlorethylene, diesel fuel or a water and soda solution. BEARINGS It is advisable to heat the bearings to 80° to 90°C (176° to 194°F) before mounting them on their shafts and cool them down before inserting them into their seats with external tapping. SPRING PINS When mounting split socket spring pins, ensure that the pin notch is oriented in the direction of the effort to stress the pin. Spiral spring pins should not be oriented during installation.
SECTION 00 - - GENERAL - - CHAPTER 1 4 GENERAL INSTRUCTIONS PRECAUTIONARY NOTICE Only authorized workshops should carry out maintenance and repair operations on the tractor, or tractor compo- nents. Carefully observe all instructions, safety precautions, and the use of equipment such as special tools, as detailed in this manual. Damage to the tractor, or injury to personnel is the direct responsibility of anyone who fails to observe these precautions. EQUIPMENT NOTICE The equipment proposed in this manual is: • Designed and studied expressly for use on Case IH tractors • Necessary for adequate and reliable repair of the tractor • Strictly tested for the efficient and long lasting life cycle of the tractor SPARE PARTS NOTICE Genuine CASE IH spare parts guarantee the same quality, safety and life cycle as original components. These parts bear the logo. GENERAL NOTICES In this manual, the description ’FRONT’, ’REAR’, ’RIGHT--HAND’ and ’LEFT--HAND’ refer to the view seen by the operator while in the operator’s seat, looking in the direction in which the tractor normally moves. Wear limits detailed in this manual, although advised, are not binding.
SECTION 00 - - GENERAL - - CHAPTER 1 5 HEALTH AND SAFETY CONTENTS Description Page HEALTH AND SAFETY PRECAUTIONS 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ACIDS AND ALKALIS 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADHESIVES AND SEALERS -- see Fire 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ANTIFREEZE -- see Fire, Solvents e.g. Isopropanol, Ethylene Glycol, Methanol. 6 . . . . . . . . . . . . . . . . . . . . . . ARC WELDING -- see Welding. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BATTERY ACIDS -- see Acids and Alkalis. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BRAKE AND CLUTCH FLUIDS (Polyalkylene Glycols) -- see Fire. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BRAZING -- see Welding. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHEMICAL MATERIALS -- GENERAL -- see Legal Aspects. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DO’S 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DO NOTS 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CORROSION PROTECTION MATERIALS -- see Solvents, Fire. 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DUSTS 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ELECTRIC SHOCK 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EXHAUST FUMES 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIBRE INSULATION -- see Dusts. 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIRE -- see Welding, Foams, Legal Aspects. 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIRST AID 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FOAMS -- Polyurethane -- see Fire. 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FUELS -- see Fire, Legal Aspects, Chemicals -- General, Solvents. 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GAS CYLINDERS -- see Fire. 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GENERAL WORKSHOP TOOLS AND EQUIPMENT 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LEGAL ASPECTS 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LUBRICANTS AND GREASES 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PAINTS -- see Solvents and Chemical Materials -- General. 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SOLDER -- see Welding. 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SOLVENTS -- see Chemical Materials -- General Fuels (Kerosene), Fire. 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . SUSPENDED LOADS 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WELDING -- see Fire, Electric Shock, Gas Cylinders. 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HEALTH AND SAFETY PRECAUTIONS Many of the procedures associated with vehicle maintenance and repair involve physical hazards or other risks to health. This section lists, alphabeti- cally, some of these hazardous operations and the materials and equipment associated with them. The precautions necessary to avoid these hazards are identified. The list is not exhaustive and all operations and procedures and the handling of materials, should be carried out with health and safety in mind.
SECTION 00 - - GENERAL - - CHAPTER 1 6 ACIDS AND ALKALIS -- see Battery acids, e.g. caustic soda, sulfuric acid. Used in batteries and cleaning materials. Irritant and corrosive to the skin, eyes, nose and throat. Causes burns. Avoid splashes to the skin, eyes and clothing. Wear suitable protective gloves and goggles. Can destroy ordinary protective clothing. Do not breathe mists. Ensure access to water and soap is readily available for splashing accidents. ADHESIVES AND SEALERS -- see Fire Highly Flammable, Flammable, combustible. Generally should be stored in “No Smoking” areas; cleanliness and tidiness in use should be observed, e.g. disposable paper covering benches; should be dispensed from applicators where possible; contain- ers, including secondary containers, should be labelled. Solvent based Adhesives/Sealers -- See Solvents. Follow manufacturers instructions. Water based Adhesives/Sealers Those based on polymer emulsions and rubber lattices may contain small amounts of volatile toxic and harmful chemicals. Skin and eye contact should be avoided and adequate ventilation provided during use. Follow manufacturers instructions. Resin based Adhesives/Sealers -- e.g. epoxide and formaldehyde resin based. Mixing should only be carried out in well ventilated areas as harmful or toxic volatile chemicals may be released. Skin contact with uncured resins and hardeners can result in irritation; dermatitis and absorption of toxic or harmful chemicals through the skin. Splashes can damage the eyes. Provide adequate ventilation and avoid skin and eye contact. Follow manufacturers instructions. Anaerobic, Cyanoacrylate and other Acrylic Adhesives Many are irritant, sensitizing or harmful to the skin. Some are eye irritants. Skin and eye contact should be avoided and the manufacturers instructions followed. Cyanoacrylate adhesives (super--glues) must not contact the skin or eyes. If skin or eye tissue is bonded cover with a clean moist pad and get medical attention. do not attempt to pull tissue apart. Use in well ventilated areas as vapours can cause irritation of the nose and eyes. For two--pack systems see Resin based adhesives/ sealers. Isocyanate (Polyurethane) Adhesives/ Sealers -- see Resin based Adhesives. Individuals suffering from asthma or respiratory allergies should not work with or near these materials as sensitivity reactions can occur. Any spraying should preferably be carried out in exhaust ventilated booths removing vapours and spray droplets from the breathing zone. Individuals working with spray applications should wear supplied air respirators. ANTIFREEZE -- see Fire, Solvents e.g. Isopropanol, Ethylene Glycol, Methanol. Highly Flammable, Flammable, Combustible. Used in vehicle coolant systems, brake air pressure systems, screenwash solutions. Vapours given off from coolant antifreeze (glycol) arise only when heated. Antifreeze may be absorbed through the skin in toxic or harmful quantities. Antifreeze if swallowed is fatal and medical attention must be found immediately.
SECTION 00 - - GENERAL - - CHAPTER 1 7 ARC WELDING -- see Welding. BATTERY ACIDS -- see Acids and Alkalis. Gases released during charging are explosive. Never use naked flames or allow sparks near charging or recently charged batteries. BRAKE AND CLUTCH FLUIDS (Polyalkylene Glycols) -- see Fire. Combustible. Splashes to the skin and eyes are slightly irritating. Avoid skin and eye contact as far as possible. Inhalation of vapour hazards do not arise at ambient temperatures because of the very low vapour pressure. BRAZING -- see Welding. CHEMICAL MATERIALS - - GENERAL -- see Legal Aspects. Chemical materials such as solvents, sealers, adhesives, paints, resin foams, battery acids, antifreeze, brake fluids, oils and grease should always be used with caution and stored and handled with care. They may be toxic, harmful, corrosive, irritant or highly inflammable and give rise to hazardous fumes and dusts. The effects of excessive exposure to chemicals may be immediate or delayed; briefly experienced or permanent; cumulative; superficial; life threatening; or may reduce life--expectancy. DO’S Do remove chemical materials from the skin and clothing as soon as practicable after soiling. Change heavily soiled clothing and have it cleaned. Do carefully read and observe hazard and precaution warnings given on material containers (labels) and in any accompanying leaflets, poster or other instructions. Material health and safety data sheets can be obtained from Manufacturers. Do organise work practices and protective clothing to avoid soiling of the skin and eyes; breathing vapours/aerosols/dusts/fumes; inadequate contain- er labelling; fire and explosion hazards. Do wash before job breaks; before eating, smoking, drinking or using toilet facilities when handling chemical materials. Do keep work areas clean, uncluttered and free of spills. Do store according to national and local regulations. Do keep chemical materials out of reach of children.
SECTION 10 - - ENGINE - - CHAPTER 1 1 SECTION 10 - - ENGINE Chapter 1 - - Engine CONTENTS Section Description Page Specifications 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Type 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Timing System 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valve Timing Gears 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankcase and Cylinder Block 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankshaft and Bearings 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting Rod 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Piston 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tappet 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rocker Arm and Valve 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rotating Counterweight Dynamic Balancer 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cylinder Head 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tightening Torques 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Special Tools 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Description and Operation 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sectional Views 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Troubleshooting 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overhaul 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 001 10 Removal 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 001 30 Compression Test 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 001 54 Disassembly 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crank, Main Bearings and Thrust Rings 44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rear Cover with Seal and Engine Flywheel 46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Synchronizing the Timing Gears 47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bosch Injection Pump 48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cylinder Head 48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valve and Rocker Arm 49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel Injectors 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 SECTION 10 - - ENGINE - - CHAPTER 1 Section Description Page Cylinder Block 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankshaft and Main Bearings 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankshaft Inspection 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Main Bearing Inspection 55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Main Bearing Cap Bolt Inspection 55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 102 70 Crankshaft Front Oil Seal 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removal 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Flywheel 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Refacing 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flywheel Bolts 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting Rods 59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection 59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pistons with Rings, Pins, Connecting Rods, Big End Caps and Bearings 60 . . . . . . . . . . Inspection 60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valves, Tappets and Camshaft 64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valves, Grinding 64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dimensions (mm) of Valves and Valve Guides 64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valve Timing Check 65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tappets Inspection 65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Camshaft Inspection 66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cylinder Head 67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection 67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valve Seats, Grinding 68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 101 53 Valve Guides, Replacement 69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rotating Counterweight Dynamic Balancer 72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 73 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 73 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 254 44 Exhaust Pipe 74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removal 74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 10 - - ENGINE - - CHAPTER 1 3 SPECIFICATIONS ENGINE TYPE -- Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8035.25.929 -- Mod. JX1095N with cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8045.25C.929 -- Mod. JX1095N less cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8045.25S.925 Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . diesel, 4-stroke Fuel injection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . direct Number of cylinders in line -- JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Number of cylinders in line -- JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Piston diameter -- Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0944 in. (104 mm) -- Mod. JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0944 in. (104 mm) Piston stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5275 in. (115 mm) Total displacement: -- Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178.84 in3 (2931 cm3) -- Mod. JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238 in3 (3900 cm3) Compression ratio for Mod. JX1075N, JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . 16.5:1 turbocharged Maximum power: -- Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.5 kW (76 Hp) -- Mod. JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67.5 kW (92 Hp) Maximum power speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2300 rpm Maximum torque speed for Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400 rev/min Maximum torque speed for Mod. JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400 rev/min Number of main bearings -- JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Number of main bearings -- JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Sump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . structural, cast iron Rev counter/hourmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . incorporated in control panel Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . from gear on camshaft Hour counter calibrated for engine speed of . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800 rpm (continued)
14 SECTION 10 - - ENGINE - - CHAPTER 1 DESCRIPTION AND OPERATION SECTIONAL VIEWS 1 2 3 4 5 7 6 25357 2 Longitudinal section of engine (mod. JX1095N). 1. Rocker shaft pedestal bolts. 2. Cylinder head bolts. 3. Flywheel mounting bolts. 4. Main bearing cap bolts. 5. Connecting rod cap bolts. 6. Fan and alternator pulley bolts. 7. Crankshaft hub retaining nut.
SECTION 10 - - ENGINE - - CHAPTER 1 15 1 25358 Cross-section of engine (mod. JX1095N) 3
20 SECTION 10 - - ENGINE - - CHAPTER 1 OVERHAUL ENGINE Op. 10 001 10 Removal DANGER Lift and handle all heavy parts using suitable lifting equipment. Make sure that assemblies or parts are supported by means of suitable slings and hooks. Check that no one is in the vicinity of the load to be lifted. WARNING Always use appropriate tools to align fixing holes. NEVER USE FINGERS OR HANDS. Proceed as follows. 1. Carry out operation 90 150 10 Cab with platform unit removal (see Sect. 90) (models with cab). Ensure that the bracket 380001613 locking the front axle in relation to the engine is positioned and secured between the above. 2. Carry out operation 90 110 36 Platform assembly removal (see Sect. 90) (models with platform). 3. Carry out operation 90 114 20 Front roll bar, re- moval (see Sect. 90) (models with platform). 4. Unscrew the plug and drain the oil from the rear transmission casing (the prescribed quantity is 11.09 US gal. (42 liters). 25628 4 5. Disconnect the electrical connections (2) and re- move the front guard (1) by sliding forwards. 5
SECTION 10 - - ENGINE - - CHAPTER 1 21 6. If the tractor is not fitted with an extra fuel tank, disconnect the piping (1) and drain the fuel from the main tank. 7. If the tractor is fitted with a platform the coolant must be drained. 6 8. Disconnect the fuel return piping (1). 7 9. Remove the clamp (1) and detach the radiator sleeve (2), unscrew the radiator retaining bracket (3). 8 10. Disconnect the connecting pipe (1) between the main fuel tank and the extra fuel tank. 9
22 SECTION 10 - - ENGINE - - CHAPTER 1 11. Unscrew the brake control piping (1) on the front axle (if fitted). 10 12. Disconnect the hydrostatic steering piping (1). 11 13. Disconnect the steering sensor wire, loosen the hose and wire retaining clamps (1) on the radia- tor. 12 14. Loosen the clamp and disconnect the fuel injec- tion pump hose (1). 13
SECTION 10 - - ENGINE - - CHAPTER 1 23 15. Unscrew the clamp (3) to release the sleeve (2) from the turbocharger (if fitted). 16. Disconnect the electrical connections (1) on the clogged air filter sensor. 14 17. Unscrew the clamp and remove the sleeve (1) on the relative rigid pipe (2). 15 18. Loosen the hydraulic pump line piping bolts (1). 16 19. Loosen the clamps (1, 3 and 4), unscrew the bracket retaining bolts (2) and remove the hy- draulic pump line piping (5). 17
24 SECTION 10 - - ENGINE - - CHAPTER 1 20. Unscrew the filter piping (1 and 2). 21. Unscrew the services distributor piping (3, 4 and 5). 18 22. Disconnect and remove piping (1, 2, 3, 4, 5 and 6). 23. Carry out operation 10 254 44 Exhaust pipe re- moval (see Sect. 10). 19 24. Disconnect the piping (2), unscrew the clamp (1), the piping/clutch housing retaining bolt, and re- move piping (1 and 3). 20 25. Remove the guard (2) and disconnect the starter motor wires (1), disconnect the pipe (4). 26. Remove the retaining clamp and disconnect the engine electrical wires, place the wires (2 and 3) on the clutch casing. 21
SECTION 10 - - ENGINE - - CHAPTER 1 25 27. Disconnect the brake piping (1) from the block. 28. Carry out operation 23 101 26 Drive shafts and guard, removal (see Sect. 23). 22 29. Position an hydraulic jack under the rear axle, at- tach the motor to a hoist, using a chain, and place a stand under the clutch casing. 30. Unscrew the front axle -- engine retaining bolts (1). 23 31. Remove the front axle, complete with support, tanks, radiator and air filter. 24 32. Unscrew the bolt (2) accessing the Allen screw (1) (on both sides). 33. Unscrew all of the clutch casing -- engine bolts and detach the engine. 25
26 SECTION 10 - - ENGINE - - CHAPTER 1 Installation WARNING Always use appropriate tools to align fixing holes. NEVER USE FINGERS OR HANDS. Apply the prescribed tightening torques. See table of contents. 1. Before refitting the engine to the clutch box carefully clean the mating surfaces and apply sealing compound (0.0787 in. (2 mm) diameter), according to the diagram shown Section 21. 2. Install the engine on the clutch casing. 3. Install the front axle support assembly on the engine. 4. Carry out operation 23 101 26 Drive shafts and guard, installation (see Sect. 23). 5. Connect the brake piping. 6. Connect the wires to the starter motor and position the other wires on the engine. 7. Assemble all hydraulic pipes and hoses. 8. Carry out operation 10 254 44 Exhaust pipe installation (see Sect. 10). 9. Assemble the hydraulic pump feed piping, complete with the relative support bracket. 10. Connect the lower radiator sleeve to the rigid pipe. 11. Place the inlet sleeve on the turbocharger and secure in position (if fitted). 12. Connect the electrical connections to the clogged air filter sensor. 13. Connect the injection pump fuel supply piping. 14. Connect the steering sensor wire. 15. Install the hydrostatic steering piping to the radiator. 16. Connect the hydrostatic steering piping. 17. Connect the brake piping on the front axle. 18. Connect and secure the main fuel tank/extra fuel tank piping. 19. Connect the upper radiator sleeve. 20. Attach the radiator bracket. 21. Connect the fuel return piping to the fuel tank. 22. Position the front guard and connect the headlamps and direction indicator electrical connections. 23. Screw the plug on the rear transmission casing and fill up with oil (see Sect. 00 for prescribed products and quantities). 24. Carry out operation 90 114 20 Removable front roll bar re-assembly (see sect. 90) (models with platform). 26 25. Carry out operation 90 110 36 Platform assembly installation (see Sect. 90) (models with platform). 26. Carry out operation 90 150 10 Cab with platform unit installation (see Sect. 90) (models with cab). 27. Fill up the engine cooling system (see Sect. 00 for prescribed products and quantities). 28. Fill up the fuel tank (see Sect. 00 for prescribed products and quantities). 29. Bleed the brakes (see Sect. 33).
SECTION 10 - - ENGINE - - CHAPTER 1 27 Op. 10 001 30 Compression Test In case of poor engine performance, in addition to checking the fuel injection system (injection nozzles and injection pump), also test the compression on each cylinder. DANGER Do not use matches, lighters, blowtorches or any form of naked flame as a source of light when inspecting the engine due to the presence of flammable fluids and vapor. Compression ratio The compression ratio is a measure of the quantity of air drawn into the cylinder, and provides an indication of the efficiency of the sealing elements in the cylinder (piston rings and valves). Uniform compression in all the cylinders ensures that they all perform an equal amount of work, provided that each cylinder is injected with the same quantity of fuel at the right time. Low compression not only reduces engine perfor- mance, it also causes incomplete fuel combustion due to the lack of available combustion air. The engine therefore gives poor performance with excessive fuel consumption and, consequently, exhaust smoke and restriction of the exhaust passages. As the compression ratio also varies with the temperature of the engine (cold engines produce lower compression values than hot engines), the compression should only be tested when the engine is at normal operating temperature. Compression should be tested using the compres- sion test kit 380000303, as follows: 1) run the engine until it reaches normal operating temperature; 2) switch off the engine; 3) disconnect the lead from the engine stop electromagnet on the injection pump in order to close the valve and block the flow of fuel to the injectors; 4) remove the injector from the cylinder to be tested; 5) turn the engine over a few times with the starter motor in order to expel any carbon residue; 6) install the dummy injector 380000617 in place of the injector removed previously, inserting the copper sealing washer; 7) connect the compression test instrument 380000303 and take readings while turning the engine over with the starter motor. On engines in perfect working order, with the sump oil at approx. 104 °F (40 °C) at sea level (29.9212 in. (760 mm) mercury) and at an engine speed of 200 to 280 rpm, the compression should be 369.75 to 398.75 psi (25.5 to 27.5 bar). 8) Test the compression on the other cylinders, repeating steps 4--5--6--7, bearing in mind that: The minimum permissible compression on a used engine is 313.2 psi (21.6 bar). The maximum permissible compression difference between cylinders is 43.5 psi (3 bar). Every 328 ft. (100 meters) above sea level corresponds to a reduction in compression by approx. 1%. CONSIDERATIONS: Uniform compression Although high compression is important, it is more important for smooth engine running that compres- sion is uniform in all cylinders. Low compression readings. If extremely low pressure readings are obtained on one cylinder it is advisable to repeat the test. Before testing this time, pour about a spoonful of engine oil into the cylinder through the injector bore. Turn over the engine a few times to distribute the oil evenly over the cylinder walls, and then repeat the test. If the second test readings are significantly higher, suspect worn piston rings, out-of-round or damaged pistons or cylinders. If the second test readings are not higher, the problem will be the valves. On the other hand, if the second test reading shows only a slight improvement, the problem will be due to both the valves and the rings.
28 SECTION 10 - - ENGINE - - CHAPTER 1 Op. 10 001 54 Disassembly WARNING Handle all parts carefully. Do not put your hands or fingers between parts. Wear the prescribed safety clothing, including goggles, gloves and safety footwear. Proceed as follows. 1. Carry out operation 10 001 10 Engine, removal. 2. Remove the alternator and air conditioning com- pressor belts (1). 27 3. Unscrew the retaining bolts and remove the ex- haust muffler (1). 28 4. Unscrew the retaining bolt (2) and move the alter- nator (1) outwards. 29 5. Loosen the clamp and remove the turbocharger sleeve (1) (if fitted). 30
SECTION 10 - - ENGINE - - CHAPTER 1 29 6. Disconnect the turbocharger lubrication piping (1) (if fitted). 7. Unscrew the retaining bolts and remove the ex- haust manifold (2) complete with the turbochar- ger (1) (if fitted). 31 8. Unscrew the retaining bolt and remove the alter- nator. 9. Disconnect and remove the turbocharger (2) lu- brication piping (if fitted). 32 10. Unscrew the retaining bolts and remove the lift pump (1). 11. Unscrew: the hydraulic oil filter (2), the relative retaining bolts and remove the filter support (3). 33 12. Unscrew the retaining bolts and remove the ser- vices pump (1). 34
30 SECTION 10 - - ENGINE - - CHAPTER 1 13. Unscrew the oil filter (3). 14. Loosen the clamps (2) and remove the heat ex- changer (4) piping (1), unscrew the retaining bolts and remove the heat exchanger. 35 15. Unscrew the union (1) and remove the piping (2). 16. Unscrew the retaining bolts and remove the pip- ing (3). 36 17. Loosen the clamp (2) and remove the oil vapor recovery device (1). 37 18. Unscrew the retaining bolts and remove the brake fluid reservoir (2). 19. Disconnect the injector delivery piping (1), both from the pump and the injectors, and remove. 20. Disconnect the fuel return piping (4) from the in- jection pump. 21. Disconnect the thermostarter supply piping (3). 38
SECTION 10 - - ENGINE - - CHAPTER 1 31 22. Disconnect the piping on: the fuel supply pump (3), injection pump (2) and the connecting piping (1) between the LDA device to the inlet manifold. 23. Remove the piping (5). 24. Unscrew the retaining bolts and remove the fuel supply pump (4) and support. 25. Unscrew the fuel filter (6). 26. Make reference marks on the injection pump and relative support. 39 27. Remove the injection pump (1). (Refer to Chap- ter 4). 1 40 28. Unscrew the retaining bolts and remove the inlet manifold (1). 41
32 SECTION 10 - - ENGINE - - CHAPTER 1 29. Unscrew the retaining bolts and remove the start- er motor (1). 42 30. Unscrew the retaining bolts and remove the fan (1) and relative drive pulley (2). 43 31. Unscrew the retaining bolts and remove the cool- ant pump (1). 44
SECTION 10 - - ENGINE - - CHAPTER 1 33 32. Unscrew the retaining bolts and remove the cool- ant pump support (1). 45 33. Unscrew the retaining bolts and remove the ther- mostat switch (1) and support. 46 34. Using tool 380001760 (1), unscrew the retaining bolts and remove the clutch (2). 35. With the aid of the brackets 380000313, secure the engine to the rotating stand 380000301. 27785 47
34 SECTION 10 - - ENGINE - - CHAPTER 1 36. Remove the injector mounting nuts, the underly- ing spherical washers, then the supports and the injectors themselves. 37. Remove the retaining bolts (1), washers and seal, then remove the rocker housing cover (2) and seal. 25098 2 1 48 38. Remove the rocker shaft retaining bolts (2), then remove the entire rocker shaft assembly (1). 25099 1 2 49 39. Remove the valve collets (1) and extract the pushrods (2). 25100 2 1 50
SECTION 10 - - ENGINE - - CHAPTER 1 35 40. Unscrew the cylinder head bolts (1) and remove the head using a hoist and lifting hook 380000216. 41. Remove the cylinder head gasket. 25101 1 51 42. (On 4 cylinder models) turn the rotating stand through 180_, remove the retaining bolts, the sump cover (1) and seal (2). 25102 1 2 52 43. (On 4 cylinder models) take out the retaining bolts and remove the engine lubrication oil inlet pipe (1) together with the suction cup and seal. 44. (On 4 cylinder models) remove the retaining bolts (2), release the rotating counterweight casing (3) and remove the sleeve (4) and the casing (3). 25103 1 2 3 4 53
36 SECTION 10 - - ENGINE - - CHAPTER 1 45. Unscrew the sump pan retaining bolts and re- move the sump pan using a hoist, lifting hook 380000216 and lifting chain with eyeholes. 46. Remove the half-gaskets (1) and (3) between the crankcase/sump pan and the gasket (2) between the timing gear carrier/sump pan. 1 25104 2 3 54 47. Remove the gasket (1) between the flywheel car- rier and the sump pan. NOTE: When relocating gaskets apply a high heat RTV silicone Gasket Maker to the mating surfaces. (See your local Case IH dealer). 1 25105 55 48. Remove the rotating counterweight oil seal O- ring (1) installed on the crankcase mating sur- face. 25106 1 56
SECTION 10 - - ENGINE - - CHAPTER 1 37 49. Unscrew the retaining bolts (1) and remove the complete oil pump (Naturally aspirated engines only). 25107 1 57 50. Unscrew the retaining bolts (2) and remove the fan-alternator drive pulley (1). 25108 1 2 58 51. Straighten the lock tab and remove the nut (1), securing the crankshaft against rotation. 25109 1 59
Suggest: If the above button click is invalid. Please download this document first, and then click the above link to download the complete manual. Thank you so much for reading MORE MANUALS: https://www.ebooklibonline.com/
38 SECTION 10 - - ENGINE - - CHAPTER 1 52. Pull the pulley hub off the crankshaft using tool 380000226 (1) and recover the Woodruff key. 25110 1 60 53. Unscrew the retaining bolts (1) and remove the timing cover and gasket. 25111 1 61 54. Unscrew the retaining bolts and remove the lift pump drive gear carrier (1). 25112 1 62

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CASE IH JX1095N Tractor Service Repair Manual Instant Download.pdf

  • 1. 87352295 6/05 © 2005 CNH America LLC Printed In U.S.A. JX1075N - - JX1095N REPAIR MANUAL COMPLETE CONTENTS SECTION 00 - GENERAL 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 10 - ENGINE 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 18 - CLUTCH 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 21 - TRANSMISSIONS 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 23 - MFD TRANSFER BOX AND AUTO MFD 10 . . . . . . . . . . . . . . . . . SECTION 25 - FRONT AXLE MECHANICAL TRANSMISSION 12 . . . . . . . . . . . SECTION 27 - REAR AXLE MECHANICAL TRANSMISSION 14 . . . . . . . . . . . . . SECTION 31 - MECHANICAL POWER TAKE-OFF 15 . . . . . . . . . . . . . . . . . . . . . . SECTION 33 - BRAKES 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 35 - HYDRAULIC SYSTEM 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 41 - STEERING 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 44 - FRONT AXLE - - 2WD 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 50 - CAB CLIMATE CONTROL 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 55 - ELECTRICAL SYSTEM 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION 90 - CAB, PLATFORM, AND BODYWORK 29 . . . . . . . . . . . . . . . . . . . . The following pages are the collation of the contents pages from each section and chapter of the JX1075N - - JX1095N Tractor Repair manual. Complete Repair part # 87352289. The sections used through out all Case IH product Repair manuals may not be used for each product. Each Repair manual will be made up of one or several books. Each book will be labeled as to which sections are in the overall Repair manual and which sections are in each book. The sections listed above are the sections utilized for the JX1075N - - JX1095N Tractors.
  • 2. SECTION 00 - - GENERAL - - CHAPTER 1 1 SECTION 00 - GENERAL Chapter 1 - General CONTENTS Section Description Page General Instructions 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Health and Safety 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Precautionary Statements 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ecology and the Environment 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Minimum Hardware Tightening Torques 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Federal Emissions Warranty 22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . California Emission Control Warranty Statement 23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Consumables 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
  • 3. SECTION 00 - - GENERAL - - CHAPTER 1 2 WARNING All maintenance and repair work described in this manual must be performed exclusively by CASE IH service technicians in strict accordance with the instructions given and using any specific tools necessary. WARNING Anyone who performs the operations described herein without strictly following the instructions is personally responsible for resulting injury or damage to property. WARNING The Manufacturer and all organizations belong- ing to the Manufacturer’s distribution network, including but not restricted to national, regional or local distributors, will accept no responsibility for personal injury or damage to property caused by abnormal function of parts and/or compo- nents not approved by the Manufacturer, including those used for maintenance and/or repair of the product manufactured or marketed by the Manufacturer. In any case, the product manufactured or marketed by the Manufacturer is covered by no guarantee of any kind against personal injury or damage to property caused by abnormal function of parts and/or components not approved by the Manufacturer.
  • 4. SECTION 00 - - GENERAL - - CHAPTER 1 3 GENERAL INSTRUCTIONS IMPORTANT NOTICE All maintenance and repair operations described in this manual should be carried out exclusively by the authorised workshops. All instructions detailed should be carefully observed and special equipment indicated should be used if necessary. Everyone who carries out service operations described without carefully observing these prescrip- tions will be directly responsible of deriving damages. SHIMMING At each adjustment, select adjusting shims, measure them individually using a micrometer and then sum up recorded values. Do not rely on measuring the whole shimming set, which may be incorrect, or on the rated value indicated for each shim. ROTATING SHAFT SEALS To correctly install rotating shaft seals, observe the following instructions: • Let the seal soak into the same oil as it will seal for at least half an hour before mounting; • Thoroughly clean the shaft and ensure that the shaft working surface is not damaged; • Place the sealing lip towards the fluid. In case of a hydrodynamic lip, consider the shaft rotation direction and orient grooves in order that they deviate the fluid towards the inner side of the seal; • Coat the sealing lip with a thin layer of lubricant (oil rather than grease) and fill the gap between the sealing lip and the dust lip of double lip seals with grease; • Insert the seal into its seat and press it down using a flat punch. Do not tap the seal with a hammer or a drift; • Take care to insert the seal perpendicularly to its seat while you are pressing it. Once the seal is settled, ensure that it contacts the thrust element, if required; • To prevent damaging the sealing lip against the shaft, place a suitable protection during installation. O RINGS Lubricate the O rings before inserting them into their seats. This will prevent the O rings from roll over and twisting during mounting, which will jeopardize sealing. SEALERS Apply silicone/gasket eliminator over the mating surfaces marked with an X. Before applying the sealer, prepare the surface as follows: • remove possible scales using a metal brush; • thoroughly degrease the surfaces using one of the following cleaning agents: trichlorethylene, diesel fuel or a water and soda solution. BEARINGS It is advisable to heat the bearings to 80° to 90°C (176° to 194°F) before mounting them on their shafts and cool them down before inserting them into their seats with external tapping. SPRING PINS When mounting split socket spring pins, ensure that the pin notch is oriented in the direction of the effort to stress the pin. Spiral spring pins should not be oriented during installation.
  • 5. SECTION 00 - - GENERAL - - CHAPTER 1 4 GENERAL INSTRUCTIONS PRECAUTIONARY NOTICE Only authorized workshops should carry out maintenance and repair operations on the tractor, or tractor compo- nents. Carefully observe all instructions, safety precautions, and the use of equipment such as special tools, as detailed in this manual. Damage to the tractor, or injury to personnel is the direct responsibility of anyone who fails to observe these precautions. EQUIPMENT NOTICE The equipment proposed in this manual is: • Designed and studied expressly for use on Case IH tractors • Necessary for adequate and reliable repair of the tractor • Strictly tested for the efficient and long lasting life cycle of the tractor SPARE PARTS NOTICE Genuine CASE IH spare parts guarantee the same quality, safety and life cycle as original components. These parts bear the logo. GENERAL NOTICES In this manual, the description ’FRONT’, ’REAR’, ’RIGHT--HAND’ and ’LEFT--HAND’ refer to the view seen by the operator while in the operator’s seat, looking in the direction in which the tractor normally moves. Wear limits detailed in this manual, although advised, are not binding.
  • 6. SECTION 00 - - GENERAL - - CHAPTER 1 5 HEALTH AND SAFETY CONTENTS Description Page HEALTH AND SAFETY PRECAUTIONS 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ACIDS AND ALKALIS 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ADHESIVES AND SEALERS -- see Fire 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ANTIFREEZE -- see Fire, Solvents e.g. Isopropanol, Ethylene Glycol, Methanol. 6 . . . . . . . . . . . . . . . . . . . . . . ARC WELDING -- see Welding. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BATTERY ACIDS -- see Acids and Alkalis. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BRAKE AND CLUTCH FLUIDS (Polyalkylene Glycols) -- see Fire. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BRAZING -- see Welding. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHEMICAL MATERIALS -- GENERAL -- see Legal Aspects. 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DO’S 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DO NOTS 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CORROSION PROTECTION MATERIALS -- see Solvents, Fire. 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DUSTS 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ELECTRIC SHOCK 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EXHAUST FUMES 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIBRE INSULATION -- see Dusts. 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIRE -- see Welding, Foams, Legal Aspects. 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIRST AID 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FOAMS -- Polyurethane -- see Fire. 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FUELS -- see Fire, Legal Aspects, Chemicals -- General, Solvents. 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GAS CYLINDERS -- see Fire. 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GENERAL WORKSHOP TOOLS AND EQUIPMENT 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LEGAL ASPECTS 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LUBRICANTS AND GREASES 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PAINTS -- see Solvents and Chemical Materials -- General. 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SOLDER -- see Welding. 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SOLVENTS -- see Chemical Materials -- General Fuels (Kerosene), Fire. 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . SUSPENDED LOADS 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WELDING -- see Fire, Electric Shock, Gas Cylinders. 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HEALTH AND SAFETY PRECAUTIONS Many of the procedures associated with vehicle maintenance and repair involve physical hazards or other risks to health. This section lists, alphabeti- cally, some of these hazardous operations and the materials and equipment associated with them. The precautions necessary to avoid these hazards are identified. The list is not exhaustive and all operations and procedures and the handling of materials, should be carried out with health and safety in mind.
  • 7. SECTION 00 - - GENERAL - - CHAPTER 1 6 ACIDS AND ALKALIS -- see Battery acids, e.g. caustic soda, sulfuric acid. Used in batteries and cleaning materials. Irritant and corrosive to the skin, eyes, nose and throat. Causes burns. Avoid splashes to the skin, eyes and clothing. Wear suitable protective gloves and goggles. Can destroy ordinary protective clothing. Do not breathe mists. Ensure access to water and soap is readily available for splashing accidents. ADHESIVES AND SEALERS -- see Fire Highly Flammable, Flammable, combustible. Generally should be stored in “No Smoking” areas; cleanliness and tidiness in use should be observed, e.g. disposable paper covering benches; should be dispensed from applicators where possible; contain- ers, including secondary containers, should be labelled. Solvent based Adhesives/Sealers -- See Solvents. Follow manufacturers instructions. Water based Adhesives/Sealers Those based on polymer emulsions and rubber lattices may contain small amounts of volatile toxic and harmful chemicals. Skin and eye contact should be avoided and adequate ventilation provided during use. Follow manufacturers instructions. Resin based Adhesives/Sealers -- e.g. epoxide and formaldehyde resin based. Mixing should only be carried out in well ventilated areas as harmful or toxic volatile chemicals may be released. Skin contact with uncured resins and hardeners can result in irritation; dermatitis and absorption of toxic or harmful chemicals through the skin. Splashes can damage the eyes. Provide adequate ventilation and avoid skin and eye contact. Follow manufacturers instructions. Anaerobic, Cyanoacrylate and other Acrylic Adhesives Many are irritant, sensitizing or harmful to the skin. Some are eye irritants. Skin and eye contact should be avoided and the manufacturers instructions followed. Cyanoacrylate adhesives (super--glues) must not contact the skin or eyes. If skin or eye tissue is bonded cover with a clean moist pad and get medical attention. do not attempt to pull tissue apart. Use in well ventilated areas as vapours can cause irritation of the nose and eyes. For two--pack systems see Resin based adhesives/ sealers. Isocyanate (Polyurethane) Adhesives/ Sealers -- see Resin based Adhesives. Individuals suffering from asthma or respiratory allergies should not work with or near these materials as sensitivity reactions can occur. Any spraying should preferably be carried out in exhaust ventilated booths removing vapours and spray droplets from the breathing zone. Individuals working with spray applications should wear supplied air respirators. ANTIFREEZE -- see Fire, Solvents e.g. Isopropanol, Ethylene Glycol, Methanol. Highly Flammable, Flammable, Combustible. Used in vehicle coolant systems, brake air pressure systems, screenwash solutions. Vapours given off from coolant antifreeze (glycol) arise only when heated. Antifreeze may be absorbed through the skin in toxic or harmful quantities. Antifreeze if swallowed is fatal and medical attention must be found immediately.
  • 8. SECTION 00 - - GENERAL - - CHAPTER 1 7 ARC WELDING -- see Welding. BATTERY ACIDS -- see Acids and Alkalis. Gases released during charging are explosive. Never use naked flames or allow sparks near charging or recently charged batteries. BRAKE AND CLUTCH FLUIDS (Polyalkylene Glycols) -- see Fire. Combustible. Splashes to the skin and eyes are slightly irritating. Avoid skin and eye contact as far as possible. Inhalation of vapour hazards do not arise at ambient temperatures because of the very low vapour pressure. BRAZING -- see Welding. CHEMICAL MATERIALS - - GENERAL -- see Legal Aspects. Chemical materials such as solvents, sealers, adhesives, paints, resin foams, battery acids, antifreeze, brake fluids, oils and grease should always be used with caution and stored and handled with care. They may be toxic, harmful, corrosive, irritant or highly inflammable and give rise to hazardous fumes and dusts. The effects of excessive exposure to chemicals may be immediate or delayed; briefly experienced or permanent; cumulative; superficial; life threatening; or may reduce life--expectancy. DO’S Do remove chemical materials from the skin and clothing as soon as practicable after soiling. Change heavily soiled clothing and have it cleaned. Do carefully read and observe hazard and precaution warnings given on material containers (labels) and in any accompanying leaflets, poster or other instructions. Material health and safety data sheets can be obtained from Manufacturers. Do organise work practices and protective clothing to avoid soiling of the skin and eyes; breathing vapours/aerosols/dusts/fumes; inadequate contain- er labelling; fire and explosion hazards. Do wash before job breaks; before eating, smoking, drinking or using toilet facilities when handling chemical materials. Do keep work areas clean, uncluttered and free of spills. Do store according to national and local regulations. Do keep chemical materials out of reach of children.
  • 9. SECTION 10 - - ENGINE - - CHAPTER 1 1 SECTION 10 - - ENGINE Chapter 1 - - Engine CONTENTS Section Description Page Specifications 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Type 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Timing System 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valve Timing Gears 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankcase and Cylinder Block 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankshaft and Bearings 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting Rod 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Piston 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tappet 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rocker Arm and Valve 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rotating Counterweight Dynamic Balancer 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cylinder Head 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tightening Torques 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Special Tools 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Description and Operation 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sectional Views 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Troubleshooting 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Overhaul 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 001 10 Removal 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 001 30 Compression Test 27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 001 54 Disassembly 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crank, Main Bearings and Thrust Rings 44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rear Cover with Seal and Engine Flywheel 46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Synchronizing the Timing Gears 47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bosch Injection Pump 48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cylinder Head 48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valve and Rocker Arm 49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel Injectors 50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
  • 10. 2 SECTION 10 - - ENGINE - - CHAPTER 1 Section Description Page Cylinder Block 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection 51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankshaft and Main Bearings 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Crankshaft Inspection 53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Main Bearing Inspection 55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Main Bearing Cap Bolt Inspection 55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 102 70 Crankshaft Front Oil Seal 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removal 56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Flywheel 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Refacing 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Flywheel Bolts 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Connecting Rods 59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection 59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pistons with Rings, Pins, Connecting Rods, Big End Caps and Bearings 60 . . . . . . . . . . Inspection 60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valves, Tappets and Camshaft 64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valves, Grinding 64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dimensions (mm) of Valves and Valve Guides 64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valve Timing Check 65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tappets Inspection 65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Camshaft Inspection 66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cylinder Head 67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inspection 67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Valve Seats, Grinding 68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 101 53 Valve Guides, Replacement 69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rotating Counterweight Dynamic Balancer 72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly 73 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 73 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 254 44 Exhaust Pipe 74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Removal 74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
  • 11. SECTION 10 - - ENGINE - - CHAPTER 1 3 SPECIFICATIONS ENGINE TYPE -- Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8035.25.929 -- Mod. JX1095N with cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8045.25C.929 -- Mod. JX1095N less cab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8045.25S.925 Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . diesel, 4-stroke Fuel injection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . direct Number of cylinders in line -- JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Number of cylinders in line -- JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Piston diameter -- Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0944 in. (104 mm) -- Mod. JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0944 in. (104 mm) Piston stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5275 in. (115 mm) Total displacement: -- Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178.84 in3 (2931 cm3) -- Mod. JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238 in3 (3900 cm3) Compression ratio for Mod. JX1075N, JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . 16.5:1 turbocharged Maximum power: -- Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.5 kW (76 Hp) -- Mod. JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67.5 kW (92 Hp) Maximum power speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2300 rpm Maximum torque speed for Mod. JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400 rev/min Maximum torque speed for Mod. JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400 rev/min Number of main bearings -- JX1075N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Number of main bearings -- JX1095N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Sump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . structural, cast iron Rev counter/hourmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . incorporated in control panel Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . from gear on camshaft Hour counter calibrated for engine speed of . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800 rpm (continued)
  • 12. 14 SECTION 10 - - ENGINE - - CHAPTER 1 DESCRIPTION AND OPERATION SECTIONAL VIEWS 1 2 3 4 5 7 6 25357 2 Longitudinal section of engine (mod. JX1095N). 1. Rocker shaft pedestal bolts. 2. Cylinder head bolts. 3. Flywheel mounting bolts. 4. Main bearing cap bolts. 5. Connecting rod cap bolts. 6. Fan and alternator pulley bolts. 7. Crankshaft hub retaining nut.
  • 13. SECTION 10 - - ENGINE - - CHAPTER 1 15 1 25358 Cross-section of engine (mod. JX1095N) 3
  • 14. 20 SECTION 10 - - ENGINE - - CHAPTER 1 OVERHAUL ENGINE Op. 10 001 10 Removal DANGER Lift and handle all heavy parts using suitable lifting equipment. Make sure that assemblies or parts are supported by means of suitable slings and hooks. Check that no one is in the vicinity of the load to be lifted. WARNING Always use appropriate tools to align fixing holes. NEVER USE FINGERS OR HANDS. Proceed as follows. 1. Carry out operation 90 150 10 Cab with platform unit removal (see Sect. 90) (models with cab). Ensure that the bracket 380001613 locking the front axle in relation to the engine is positioned and secured between the above. 2. Carry out operation 90 110 36 Platform assembly removal (see Sect. 90) (models with platform). 3. Carry out operation 90 114 20 Front roll bar, re- moval (see Sect. 90) (models with platform). 4. Unscrew the plug and drain the oil from the rear transmission casing (the prescribed quantity is 11.09 US gal. (42 liters). 25628 4 5. Disconnect the electrical connections (2) and re- move the front guard (1) by sliding forwards. 5
  • 15. SECTION 10 - - ENGINE - - CHAPTER 1 21 6. If the tractor is not fitted with an extra fuel tank, disconnect the piping (1) and drain the fuel from the main tank. 7. If the tractor is fitted with a platform the coolant must be drained. 6 8. Disconnect the fuel return piping (1). 7 9. Remove the clamp (1) and detach the radiator sleeve (2), unscrew the radiator retaining bracket (3). 8 10. Disconnect the connecting pipe (1) between the main fuel tank and the extra fuel tank. 9
  • 16. 22 SECTION 10 - - ENGINE - - CHAPTER 1 11. Unscrew the brake control piping (1) on the front axle (if fitted). 10 12. Disconnect the hydrostatic steering piping (1). 11 13. Disconnect the steering sensor wire, loosen the hose and wire retaining clamps (1) on the radia- tor. 12 14. Loosen the clamp and disconnect the fuel injec- tion pump hose (1). 13
  • 17. SECTION 10 - - ENGINE - - CHAPTER 1 23 15. Unscrew the clamp (3) to release the sleeve (2) from the turbocharger (if fitted). 16. Disconnect the electrical connections (1) on the clogged air filter sensor. 14 17. Unscrew the clamp and remove the sleeve (1) on the relative rigid pipe (2). 15 18. Loosen the hydraulic pump line piping bolts (1). 16 19. Loosen the clamps (1, 3 and 4), unscrew the bracket retaining bolts (2) and remove the hy- draulic pump line piping (5). 17
  • 18. 24 SECTION 10 - - ENGINE - - CHAPTER 1 20. Unscrew the filter piping (1 and 2). 21. Unscrew the services distributor piping (3, 4 and 5). 18 22. Disconnect and remove piping (1, 2, 3, 4, 5 and 6). 23. Carry out operation 10 254 44 Exhaust pipe re- moval (see Sect. 10). 19 24. Disconnect the piping (2), unscrew the clamp (1), the piping/clutch housing retaining bolt, and re- move piping (1 and 3). 20 25. Remove the guard (2) and disconnect the starter motor wires (1), disconnect the pipe (4). 26. Remove the retaining clamp and disconnect the engine electrical wires, place the wires (2 and 3) on the clutch casing. 21
  • 19. SECTION 10 - - ENGINE - - CHAPTER 1 25 27. Disconnect the brake piping (1) from the block. 28. Carry out operation 23 101 26 Drive shafts and guard, removal (see Sect. 23). 22 29. Position an hydraulic jack under the rear axle, at- tach the motor to a hoist, using a chain, and place a stand under the clutch casing. 30. Unscrew the front axle -- engine retaining bolts (1). 23 31. Remove the front axle, complete with support, tanks, radiator and air filter. 24 32. Unscrew the bolt (2) accessing the Allen screw (1) (on both sides). 33. Unscrew all of the clutch casing -- engine bolts and detach the engine. 25
  • 20. 26 SECTION 10 - - ENGINE - - CHAPTER 1 Installation WARNING Always use appropriate tools to align fixing holes. NEVER USE FINGERS OR HANDS. Apply the prescribed tightening torques. See table of contents. 1. Before refitting the engine to the clutch box carefully clean the mating surfaces and apply sealing compound (0.0787 in. (2 mm) diameter), according to the diagram shown Section 21. 2. Install the engine on the clutch casing. 3. Install the front axle support assembly on the engine. 4. Carry out operation 23 101 26 Drive shafts and guard, installation (see Sect. 23). 5. Connect the brake piping. 6. Connect the wires to the starter motor and position the other wires on the engine. 7. Assemble all hydraulic pipes and hoses. 8. Carry out operation 10 254 44 Exhaust pipe installation (see Sect. 10). 9. Assemble the hydraulic pump feed piping, complete with the relative support bracket. 10. Connect the lower radiator sleeve to the rigid pipe. 11. Place the inlet sleeve on the turbocharger and secure in position (if fitted). 12. Connect the electrical connections to the clogged air filter sensor. 13. Connect the injection pump fuel supply piping. 14. Connect the steering sensor wire. 15. Install the hydrostatic steering piping to the radiator. 16. Connect the hydrostatic steering piping. 17. Connect the brake piping on the front axle. 18. Connect and secure the main fuel tank/extra fuel tank piping. 19. Connect the upper radiator sleeve. 20. Attach the radiator bracket. 21. Connect the fuel return piping to the fuel tank. 22. Position the front guard and connect the headlamps and direction indicator electrical connections. 23. Screw the plug on the rear transmission casing and fill up with oil (see Sect. 00 for prescribed products and quantities). 24. Carry out operation 90 114 20 Removable front roll bar re-assembly (see sect. 90) (models with platform). 26 25. Carry out operation 90 110 36 Platform assembly installation (see Sect. 90) (models with platform). 26. Carry out operation 90 150 10 Cab with platform unit installation (see Sect. 90) (models with cab). 27. Fill up the engine cooling system (see Sect. 00 for prescribed products and quantities). 28. Fill up the fuel tank (see Sect. 00 for prescribed products and quantities). 29. Bleed the brakes (see Sect. 33).
  • 21. SECTION 10 - - ENGINE - - CHAPTER 1 27 Op. 10 001 30 Compression Test In case of poor engine performance, in addition to checking the fuel injection system (injection nozzles and injection pump), also test the compression on each cylinder. DANGER Do not use matches, lighters, blowtorches or any form of naked flame as a source of light when inspecting the engine due to the presence of flammable fluids and vapor. Compression ratio The compression ratio is a measure of the quantity of air drawn into the cylinder, and provides an indication of the efficiency of the sealing elements in the cylinder (piston rings and valves). Uniform compression in all the cylinders ensures that they all perform an equal amount of work, provided that each cylinder is injected with the same quantity of fuel at the right time. Low compression not only reduces engine perfor- mance, it also causes incomplete fuel combustion due to the lack of available combustion air. The engine therefore gives poor performance with excessive fuel consumption and, consequently, exhaust smoke and restriction of the exhaust passages. As the compression ratio also varies with the temperature of the engine (cold engines produce lower compression values than hot engines), the compression should only be tested when the engine is at normal operating temperature. Compression should be tested using the compres- sion test kit 380000303, as follows: 1) run the engine until it reaches normal operating temperature; 2) switch off the engine; 3) disconnect the lead from the engine stop electromagnet on the injection pump in order to close the valve and block the flow of fuel to the injectors; 4) remove the injector from the cylinder to be tested; 5) turn the engine over a few times with the starter motor in order to expel any carbon residue; 6) install the dummy injector 380000617 in place of the injector removed previously, inserting the copper sealing washer; 7) connect the compression test instrument 380000303 and take readings while turning the engine over with the starter motor. On engines in perfect working order, with the sump oil at approx. 104 °F (40 °C) at sea level (29.9212 in. (760 mm) mercury) and at an engine speed of 200 to 280 rpm, the compression should be 369.75 to 398.75 psi (25.5 to 27.5 bar). 8) Test the compression on the other cylinders, repeating steps 4--5--6--7, bearing in mind that: The minimum permissible compression on a used engine is 313.2 psi (21.6 bar). The maximum permissible compression difference between cylinders is 43.5 psi (3 bar). Every 328 ft. (100 meters) above sea level corresponds to a reduction in compression by approx. 1%. CONSIDERATIONS: Uniform compression Although high compression is important, it is more important for smooth engine running that compres- sion is uniform in all cylinders. Low compression readings. If extremely low pressure readings are obtained on one cylinder it is advisable to repeat the test. Before testing this time, pour about a spoonful of engine oil into the cylinder through the injector bore. Turn over the engine a few times to distribute the oil evenly over the cylinder walls, and then repeat the test. If the second test readings are significantly higher, suspect worn piston rings, out-of-round or damaged pistons or cylinders. If the second test readings are not higher, the problem will be the valves. On the other hand, if the second test reading shows only a slight improvement, the problem will be due to both the valves and the rings.
  • 22. 28 SECTION 10 - - ENGINE - - CHAPTER 1 Op. 10 001 54 Disassembly WARNING Handle all parts carefully. Do not put your hands or fingers between parts. Wear the prescribed safety clothing, including goggles, gloves and safety footwear. Proceed as follows. 1. Carry out operation 10 001 10 Engine, removal. 2. Remove the alternator and air conditioning com- pressor belts (1). 27 3. Unscrew the retaining bolts and remove the ex- haust muffler (1). 28 4. Unscrew the retaining bolt (2) and move the alter- nator (1) outwards. 29 5. Loosen the clamp and remove the turbocharger sleeve (1) (if fitted). 30
  • 23. SECTION 10 - - ENGINE - - CHAPTER 1 29 6. Disconnect the turbocharger lubrication piping (1) (if fitted). 7. Unscrew the retaining bolts and remove the ex- haust manifold (2) complete with the turbochar- ger (1) (if fitted). 31 8. Unscrew the retaining bolt and remove the alter- nator. 9. Disconnect and remove the turbocharger (2) lu- brication piping (if fitted). 32 10. Unscrew the retaining bolts and remove the lift pump (1). 11. Unscrew: the hydraulic oil filter (2), the relative retaining bolts and remove the filter support (3). 33 12. Unscrew the retaining bolts and remove the ser- vices pump (1). 34
  • 24. 30 SECTION 10 - - ENGINE - - CHAPTER 1 13. Unscrew the oil filter (3). 14. Loosen the clamps (2) and remove the heat ex- changer (4) piping (1), unscrew the retaining bolts and remove the heat exchanger. 35 15. Unscrew the union (1) and remove the piping (2). 16. Unscrew the retaining bolts and remove the pip- ing (3). 36 17. Loosen the clamp (2) and remove the oil vapor recovery device (1). 37 18. Unscrew the retaining bolts and remove the brake fluid reservoir (2). 19. Disconnect the injector delivery piping (1), both from the pump and the injectors, and remove. 20. Disconnect the fuel return piping (4) from the in- jection pump. 21. Disconnect the thermostarter supply piping (3). 38
  • 25. SECTION 10 - - ENGINE - - CHAPTER 1 31 22. Disconnect the piping on: the fuel supply pump (3), injection pump (2) and the connecting piping (1) between the LDA device to the inlet manifold. 23. Remove the piping (5). 24. Unscrew the retaining bolts and remove the fuel supply pump (4) and support. 25. Unscrew the fuel filter (6). 26. Make reference marks on the injection pump and relative support. 39 27. Remove the injection pump (1). (Refer to Chap- ter 4). 1 40 28. Unscrew the retaining bolts and remove the inlet manifold (1). 41
  • 26. 32 SECTION 10 - - ENGINE - - CHAPTER 1 29. Unscrew the retaining bolts and remove the start- er motor (1). 42 30. Unscrew the retaining bolts and remove the fan (1) and relative drive pulley (2). 43 31. Unscrew the retaining bolts and remove the cool- ant pump (1). 44
  • 27. SECTION 10 - - ENGINE - - CHAPTER 1 33 32. Unscrew the retaining bolts and remove the cool- ant pump support (1). 45 33. Unscrew the retaining bolts and remove the ther- mostat switch (1) and support. 46 34. Using tool 380001760 (1), unscrew the retaining bolts and remove the clutch (2). 35. With the aid of the brackets 380000313, secure the engine to the rotating stand 380000301. 27785 47
  • 28. 34 SECTION 10 - - ENGINE - - CHAPTER 1 36. Remove the injector mounting nuts, the underly- ing spherical washers, then the supports and the injectors themselves. 37. Remove the retaining bolts (1), washers and seal, then remove the rocker housing cover (2) and seal. 25098 2 1 48 38. Remove the rocker shaft retaining bolts (2), then remove the entire rocker shaft assembly (1). 25099 1 2 49 39. Remove the valve collets (1) and extract the pushrods (2). 25100 2 1 50
  • 29. SECTION 10 - - ENGINE - - CHAPTER 1 35 40. Unscrew the cylinder head bolts (1) and remove the head using a hoist and lifting hook 380000216. 41. Remove the cylinder head gasket. 25101 1 51 42. (On 4 cylinder models) turn the rotating stand through 180_, remove the retaining bolts, the sump cover (1) and seal (2). 25102 1 2 52 43. (On 4 cylinder models) take out the retaining bolts and remove the engine lubrication oil inlet pipe (1) together with the suction cup and seal. 44. (On 4 cylinder models) remove the retaining bolts (2), release the rotating counterweight casing (3) and remove the sleeve (4) and the casing (3). 25103 1 2 3 4 53
  • 30. 36 SECTION 10 - - ENGINE - - CHAPTER 1 45. Unscrew the sump pan retaining bolts and re- move the sump pan using a hoist, lifting hook 380000216 and lifting chain with eyeholes. 46. Remove the half-gaskets (1) and (3) between the crankcase/sump pan and the gasket (2) between the timing gear carrier/sump pan. 1 25104 2 3 54 47. Remove the gasket (1) between the flywheel car- rier and the sump pan. NOTE: When relocating gaskets apply a high heat RTV silicone Gasket Maker to the mating surfaces. (See your local Case IH dealer). 1 25105 55 48. Remove the rotating counterweight oil seal O- ring (1) installed on the crankcase mating sur- face. 25106 1 56
  • 31. SECTION 10 - - ENGINE - - CHAPTER 1 37 49. Unscrew the retaining bolts (1) and remove the complete oil pump (Naturally aspirated engines only). 25107 1 57 50. Unscrew the retaining bolts (2) and remove the fan-alternator drive pulley (1). 25108 1 2 58 51. Straighten the lock tab and remove the nut (1), securing the crankshaft against rotation. 25109 1 59
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  • 33. 38 SECTION 10 - - ENGINE - - CHAPTER 1 52. Pull the pulley hub off the crankshaft using tool 380000226 (1) and recover the Woodruff key. 25110 1 60 53. Unscrew the retaining bolts (1) and remove the timing cover and gasket. 25111 1 61 54. Unscrew the retaining bolts and remove the lift pump drive gear carrier (1). 25112 1 62