CASE IH JX1060C Tractor Service Repair Manual.pdf

87393638 12/05
© 2005 CNH America LLC
Printed In U.S.A.
JX1060C, JX1070C, JX1075C,
JX1085C, JX1095C
REPAIR MANUAL
COMPLETE CONTENTS
SECTION 00 - GENERAL 2
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SECTION 10 - ENGINE 2
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SECTION 18 - CLUTCH 10
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SECTION 21 - TRANSMISSIONS 12
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SECTION 23 - MFD TRANSFER BOX 15
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SECTION 25 - FRONT AXLE (MFD) 15
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SECTION 27 - REAR MECHANICAL DRIVE 16
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SECTION 31 - MECHANICAL POWER TAKE-OFF 16
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SECTION 33 - BRAKING SYSTEM 17
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SECTION 35 - HYDRAULIC SYSTEM 18
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SECTION 41 - STEERING 20
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SECTION 44 - AXLES AND WHEELS 21
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SECTION 50 - CAB AIR CONDITIONING SYSTEM 21
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SECTION 55 - ELECTRICAL SYSTEM 22
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SECTION 90 - PLATFORM, CAB, BODYWORK 28
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The following pages are the collation of the contents pages from each section and
chapter of the JXC Series Repair manual. Complete Repair part # 87393635.
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 JXC Series Tractors.

SECTION 00 -
- GENERAL -
- CHAPTER 1 1
SECTION 00 - GENERAL
Chapter 1 - General
CONTENTS
Section Description Page
General Instructions 3
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Health and Safety 5
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Precautionary Statements 15
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Safety 16
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Ecology and the Environment 19
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Minimum Hardware Tightening Torques 20
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Federal Emissions Warranty 22
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California Emission Control Warranty Statement 23
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Lubricants and Fluids 25
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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
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ACIDS AND ALKALIS 6
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ADHESIVES AND SEALERS -- see Fire 6
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ANTIFREEZE -- see Fire, Solvents e.g. Isopropanol, Ethylene Glycol, Methanol. 6
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ARC WELDING -- see Welding. 7
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BATTERY ACIDS -- see Acids and Alkalis. 7
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BRAKE AND CLUTCH FLUIDS (Polyalkylene Glycols) -- see Fire. 7
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BRAZING -- see Welding. 7
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CHEMICAL MATERIALS -- GENERAL -- see Legal Aspects. 7
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DO’S 7
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DO NOTS 8
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CORROSION PROTECTION MATERIALS -- see Solvents, Fire. 8
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DUSTS 8
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ELECTRIC SHOCK 8
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EXHAUST FUMES 9
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FIBRE INSULATION -- see Dusts. 9
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FIRE -- see Welding, Foams, Legal Aspects. 9
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FIRST AID 9
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FOAMS -- Polyurethane -- see Fire. 9
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FUELS -- see Fire, Legal Aspects, Chemicals -- General, Solvents. 10
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GAS CYLINDERS -- see Fire. 10
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GENERAL WORKSHOP TOOLS AND EQUIPMENT 11
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LEGAL ASPECTS 11
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LUBRICANTS AND GREASES 11
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PAINTS -- see Solvents and Chemical Materials -- General. 12
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SOLDER -- see Welding. 12
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SOLVENTS -- see Chemical Materials -- General Fuels (Kerosene), Fire. 13
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SUSPENDED LOADS 13
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WELDING -- see Fire, Electric Shock, Gas Cylinders. 13
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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 (Three-Cylinder)
CONTENTS
Section Description Page
Specifications 2
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Special Tools 10
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Tightening Torques 12
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Sectional Views 13
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Engine Troubleshooting 15
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Overhaul 19
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10 001 10 Engine 19
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Removal 19
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Installation 20
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10 001 30 Compression Test 21
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10 001 54 Disassembly 22
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Assembly 32
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Checks, Dimensions and Repairs 41
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Cylinder Block 41
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Crankshaft 43
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Main Bearings 45
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Flywheel 46
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Connecting Rods 47
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Pistons 48
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Valves 51
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Tappets 51
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Camshaft 52
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Valve Timing 53
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder Head 54
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve Seats 55
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 101 53 Valve Guides 56
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 101 60 Injector Sleeves 59
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 102 70 Crankshaft Front Oil Seal 61
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 106 12 Valve/Rocker Arm 63
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 254 44 Exhaust Pipe 65
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 65
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 65
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 SECTION 10 -
- ENGINE -
- CHAPTER 1
SPECIFICATIONS
Engine type:
-- Models JX1060C (Naturally Aspirated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8035.05C/919
-- Models JX1070C (Turbocharged) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8035.25R/919
-- Models JX1075C (Turbocharged) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8035.25/919
Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . diesel, 4--stroke
Injection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . direct
Number of on--line cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Piston diameter
-- Models JX1060C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 mm (4.09 in)
-- Models JX1070C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 mm (4.09 in)
-- Models JX1075C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 mm (4.09 in)
Piston stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 mm (4.53 in)
Total displacement:
-- Models JX1060C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2931 cm3 (178.85 in3)
-- Models JX1070C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2931 cm3 (178.85 in3)
-- Models JX1075C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2931 cm3 (178.85 in3)
Compression ratio for Models JX1060C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17:1 naturally aspirated
Compression ratio for Models JX1070C, JX1075C . . . . . . . . . . . . . . . . . . . . . . . . 16.5:1 turbocharged
Maximum power:
-- Models JX1060C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . gross 57 hp net 55 hp
Maximum power speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2300 rpm
Maximum speed no load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2450 -- 2500 rpm
Maximum torque speed for Models JX1060C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400 rpm
Number of main bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Sump pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . structural, cast iron
Speedometer/tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . incorporated in control panel
Operating system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . from gear on camshaft
Hour counter calibrated for engine speed of . . . . . . . . . . . . . . . . 1800 rpm
(continued)

SECTION 10 -
- ENGINE -
- CHAPTER 1 3
Timing system overhead valves operated by tappets, rods
and rocker arms via the camshaft located
in the engine block; the camshaft is driven
by the crankshaft using helical gears
Intake:
-- start: before TDC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12°
-- end: after BDC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31°
Exhaust:
-- start: before BDC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50°
-- end: after TDC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16°
Valve--rocker arm clearance for timing check . . . . . . . . . . . . . . . 0.45 mm (0.0177 in)
Valve--rocker arm clearance (with engine cold):
-- intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.30 ± 0.05 mm (0.011 ± 0.0019 in)
-- exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.30 ± 0.05 mm (0.011 ± 0.0019 in )
CRANKCASE/CYLINDER BLOCK DATA mm (in)
CRANKCASE/CYLINDER BLOCK DATA mm (in)
Cylinder Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . cast--iron monobloc with parent-bore
cylinders, incorporating seatings for crank-
shaft, camshaft and tappets
Internal diameter of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104.000 to 104.024
(4.0944 to 4.0954) (1)
Cylinder internal diameter oversizes . . . . . . . . . . . . . . . . . . . . . . . 0.4 to 0.8 (0.0157 to 0.0314)
Maximum permissible cylinder ovality or taper due to wear . . . 0.12 (0.0047)
Main journal half bearing seat diameter . . . . . . . . . . . . . . . . . . . . 84.200 to 84.230 (3.3149 to 3.3161)
Camshaft bushing seat diameter:
-- front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54.780 to 54.805 (2.1566 to 2.1576)
-- intermediate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54.280 to 54.305 (2.1370 to 2.1379)
-- rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53.780 to 53.805 (2.1173 to 2.1183)
Diameter of standard tappet bores in crankcase . . . . . . . . . . . . 15.000 to 15.018 (0.5905 to 0.5912)
Tappet oversizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1 -- 0.2 -- 0.3
(0.0039 -- 0.0078 -- 0.0118)
(1) Measure in the area swept by piston rings, both parallel and perpendicular to the crankshaft axis.

SECTION 10 -
- ENGINE -
- CHAPTER 1 13
SECTIONAL VIEWS
1
2
3
4
5
6
7
25355
2
Longitudinal section of engine (models JX1060C)
1. Rocker Shaft Pedestal Bolts
2. Cylinder Head Bolts
3. Flywheel Mounting Bolts
4. Main Bearing Cap Bolts
5. Big-end Cap Bolts
6. Fan and Alternator Bolts
7. Crankshaft Hub Retaining Nut

SECTION 10 -
- ENGINE -
- CHAPTER 1 19
OVERHAUL
Op. 10 001 10
ENGINE
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. Make sure
that no one is standing in the vicinity of the load
to be lifted.
WARNING
Always use appropriate tools to align fixing
holes. NEVER USE YOUR FINGERS OR HANDS.
1. Carry out operation 18 110 10, Clutch Removal
(see Sect. 18).
2. Remove the clogged air filter sensor connection
(1).
27764
4
3. Disconnect the horn connection (1).
27765
5

20 SECTION 10 -
- ENGINE -
- CHAPTER 1
4. Loosen the clamps (1, 2 and 3) and remove the
inlet manifold.
27180
6
5. Unscrew the band clamps and detach the upper
(2) and lower radiator hoses, detach the radiator
bracket (1).
6. Position two fixed stands under the front axle
support and under the engine. Attach the chains
so that the engine is balanced during hoisting and
position two wood blocks between the support
and the front axle, to prevent oscillation.
27807
7
7. Loosen the front axle support retaining bolts (1).
8. Remove the engine from the axle--support unit.
Installation
WARNING
Always use appropriate tools to align fixing
holes. NEVER USE YOUR FINGERS OR HANDS.
Apply the prescribed tightening torques. See the
“Contents”.
1. Install the front axle--support unit on the engine.
2. Connect and secure the upper and lower radiator
hoses and the connecting bracket.
3. Install and secure the inlet manifold.
4. Connect the horn and clogged air filter
connections.
5. Carry out operation 18 110 10, Clutch Installation
(see Sect. 18).
27808
8

SECTION 10 -
- ENGINE -
- CHAPTER 1 21
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, blow torches or any
form of naked flame as a source of light when
inspecting the engine due to the presence of
inflammable 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) Fit the dummy injector 380000617, in place of the
injector removed previously, interposing 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. 40oC (104oF) at sea level (760
mm [29.92 in.] of mercury) and at an engine
speed of 200 to 280 rpm, the compression should
be 25 to 27 bar (369 to 398 psi).
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 21 bar (313 psi).
The maximum permissible compression differ-
ence between cylinders is 3 bar (43 psi).
Every 100 meters (109.36 yards) above sea level
corresponds to a reduction in compression by
approx. 1%.
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 approx. one 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 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 suitable safety
clothing -
- safety goggles, gloves and shoes.
1. Disconnect the thermostarter union (2), the inlet
line retaining unions from the injection pump, the
injectors, and the piping (1).
27770
9
2. Disconnect the fuel filter lines (2) to the injection
pump and the support retaining bolts (1). Remove
the fuel filter.
27771
10
3. Disconnect the hydraulic piping (2) the oil filter (1)
retaining bolts complete with the support, and
remove from the engine.
27772
11
4. Remove the lift (2) and steering (1) hydraulic
pumps and remove the piping (3).
27773
12

SECTION 10 -
- ENGINE -
- CHAPTER 1 23
5. Unscrew the retaining bolts and remove the
starter motor (1).
27774
13
6. Unscrew the retaining bolts and remove the cover
(3), loosen the retaining nut (2) on the injection
pump (1) and remove from the opposite side.
27775
14
7. Unscrew the retaining nuts and remove the fuel
pump (1).
27776
15
exhaust muffler (1) complete with the vertical
pipe. On models with horizontal exhaust pipes,
remove when disassembling the engine.
27777
16

24 SECTION 10 -
- ENGINE -
- CHAPTER 1
9. Unscrew the retaining bolts, remove the
alternator (1) and recover the drive belt.
10. Remove the engine oil filter (2).
27778
17
exhaust manifold (1).
27779
18
12. Unscrew the retaining bolts and detach the
coolant pump hose(1).
27780
19
coolant pump (1) complete with fan (2).
27781
20

SECTION 10 -
- ENGINE -
- CHAPTER 1 25
coolant pump support (1).
27782
21
15. Unscrew the retaining bolts and disconnect the
thermostatic valve unit (2) complete with bracket
(1).
27783
22
16. Unscrew the retaining bolts and remove the inlet
manifold (1).
27784
23
17. Remove the injector mounting nuts, the underly-
ing spherical washers, then the supports and the
injectors themselves.
18. Remove the rocker cover bolts (1), washers and
seals, and then the rocker cover (2) and the
gasket.
25098
2
1
24

26 SECTION 10 -
- ENGINE -
- CHAPTER 1
19. Remove the rocker shaft retaining bolts (2), then
remove the entire rocker shaft assembly (1).
25099
1 2
25
20. Remove the valve collets (1) and extract the
pushrods (2).
25100
2
1
26
21. Unscrew the cylinder head bolts (1) and remove
the head using a hoist and lifting hook
380000216.
22. Remove the cylinder head gasket.
25101 1
27
23. Unscrew the sump pan retaining bolts and
remove the sump pan using a hoist, lifting hook
380000216 and lifting chain with eyeholes.
24. Remove the half--gaskets (1) and (3) between the
crankcase and sump pan and the gasket (2)
between the timing gear carrier and sump pan.
NOTE: When reinstalling gaskets (1) and (2, fig. 28),
apply RHODORSIL CAF1 silicone sealing compound
to the mating surfaces.
1
25104
2
3
28

SECTION 10 -
- ENGINE -
- CHAPTER 1 27
25. Remove the gasket (1) between the flywheel
carrier and the sump pan.
1
25105
29
26. Unscrew retaining bolts (1) and remove the
complete oil pump (non-turbo version shown).
25107
1
30
27. Unscrew the retaining bolts (2) and remove the
crankshaft pulley (1).
25108
1
2
31

28 SECTION 10 -
- ENGINE -
- CHAPTER 1
28. Straighten the lock tab, securing the crankshaft
against rotation and unscrew nut (1).
25109
1
32
29. Pull the pulley hub off the crankshaft using tool
380000226 (1) and recover the woodruff key.
25110
1
33
30. Unscrew the retaining bolt (1) and remove the
timing cover and gasket.
25111
1
34
31. Unscrew the retaining bolts and remove the lift
pump drive gear carrier (1).
25112
1
35

SECTION 10 -
- ENGINE -
- CHAPTER 1 29
32. Remove the circlip (1) and recover the thrust
washer and the intermediate gear (2):
25113
1 2
36
intermediate gear journal.
25114
1
37
34. Unscrew the retaining bolts (2) and withdraw the
camshaft (3) complete with the camshaft gear (1)
and the end plate (4).
25115
1
4
3
2
38
35. Remove the circlip (1) and the thrust washer, and
withdraw the gear with fuel supply pump
camshaft (2) from the opposite side.
25108
1
2
39

30 SECTION 10 -
- ENGINE -
- CHAPTER 1
timing gear case.
25109
1
40
37. Replace the O--ring seal (1) installed in the lift
pump drive shaft lubrication line.
38. Remove the crankcase -- timing gear case
gasket.
25118
1
41
39. Rotate the engine through 90_on the stand.
Unscrew the big--end cap bolts (2) and recover
the big--end caps (1) with their half shell bearings.
25119
1
2
42
40. Slide the pistons (1), complete with rings, wrist
pins and connecting rods, out of the cylinders.
25108
1
43

SECTION 10 -
- ENGINE -
- CHAPTER 1 31
41. Rotate the engine on the stand through 90_ back
to the horizontal position. Unscrew the flywheel
bolts and remove the flywheel with the aid of a
hoist and hook 380000216.
42. Unscrew the retaining bolts and remove the rear
oil seal carrier (1) complete with gasket.
25109
1
44
43. Unscrew the main bearing cap bolts (1), and
remove the main bearing caps with relative
bearing shells, and recover the thrust washers
located on the penultimate main bearing, as
shown in the figure.
44. Lift the crankshaft clear of the crankcase using a
hoist and nylon sling. Recover the bearing shells,
thrust washers and tappets.
25122
1
45
45. Rotate the engine through 180_ on the stand
380000301 (2). Attach the lifting chain with eye
holes to the crankcase, as shown in the figure.
Raise the hook 380000216, unscrew the bolts
securing the crankcase to the stand (2) and
mounting bracket (3) from set 380000313.
46. Lift the engine clear of the stand.
47. Unscrew the retaining bolts and remove the rear
crankcase housing (1) and its gasket.
25123
1
2
3
46

32 SECTION 10 -
- ENGINE -
- CHAPTER 1
Assembly
WARNING
Handle all parts carefully, do not put your hands
or fingers between parts and use appropriate
tools to align fixing holes.
Wear the prescribed safety clothing, including
goggles, gloves and safety footwear.
Assemble the engine by performing the disassembly
procedures in reverse order, and with the following
requirements:
-- Thoroughly clean all parts before assembling the
engine.
-- Apply the prescribed tightening torques. See
table of contents.
-- Replace all seals before assembling the engine.
-- Before inserting rotating parts and seals in seats,
lubricate the parts with engine oil.
-- When installing the oil filter, lubricate the seal with
engine oil.
Crankshaft, Main Bearings and Thrust Rings
1. Install the tappets in their crankcase bores.
2. Lubricate the main bearing seats with engine oil
and install the half--shell bearings (3).
3. To facilitate installation, apply grease to the thrust
rings, then insert crankshaft semi-circular thrust
washers, 1.
25109
1
2
3
47

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SECTION 10 -
- ENGINE -
- CHAPTER 1 33
4. Lubricate the upper surfaces of the main bearing
shells with engine oil and lower the crankshaft (1)
into position, taking care not to dislodge the
semi--circular thrust washers installed previously.
24718
1
48
5. Lubricate the crankshaft journals with engine oil
and install the main bearing caps (3) with the
half--shells (4), installing the top semi--circular
thrust washers (2) to the thrust bearing cap (3).
6. Rotate the crankshaft (1) a few times to allow the
parts to settle into position.
7. Insert the main bearing cap bolts and screw in
until the head of the bolt is up against the cap.
25108
1 2 3
4
49
8. Tighten all cap bolts (1) to a torque of 80 Nm (59
lb-ft).
24720
1
50
9. Using tool 380000304 (2), tighten each cap bolt
(1) through a further 90°.
24744
1 2
51

34 SECTION 10 -
- ENGINE -
- CHAPTER 1
10. Check that the crankshaft endfloat does not
exceed the value specified. See the
“Specifications”.
24760
52
Rear Cover, Crankshaft Seal and Engine
Flywheel
-- Install the rear oil seal carrier (3) with the outer
seal. Tighten the retaining bolts (2). See
“Tightening Torques” -- refer to “Contents”. Using
a feeler gauge (1), check that the crankshaft
flange is centered in the carrier.
24752
1
2
3
53
Oil leakage from the crankshaft rear oil seal will result
if the seal is not handled or installed correctly. The
correct handling and installation procedures are as
follows:
1. The seal that was originally installed had a 6mm
(0.236 in) gap, (1) between the seal housing (2)
and the molded plastic insert (3).
20026008
2
3
54

SECTION 10 -
- ENGINE -
- CHAPTER 1 35
IMPORTANT: The seal is preassembled with a
protective molded plastic insert.
Carefully handle the seal by the molded plastic insert
only.
The insert protects the seal from any damage during
parts stock and during installation.
The protective molded plastic insert MUST NOT be
removed or rotated in the seal prior to installation.
The insert should only be removed after the new seal
has been completely installed as detailed in these
instructions.
2. The machined sealing surface area of the
crankshaft MUST NOT be cleaned using any type
of abrasive paper.
3. The new seal lip should never be positioned in the
exact same location on the crankshaft as the
previous seal that was removed. This is to
prevent the new seal lip from riding in the wear
groove made by the previous seal lip.
4. The first replacement seal should be installed
with a gap (1) of 3.8 to 4 mm (0.150 to 0.157 in)
between the seal housing (2) and the molded
plastic insert (3).
20026009
2
3
55
5. The seal, complete with the insert, must only be
installed using the special made tools described
below.
NOTE: The spacer is used for the correct clearance
gap of 3.8 to 4 mm (0.150 to 0.157 in). The installer
bushing is used to install the seal into the housing.
(See dimensions for the spacer and installer bushing
as shown)
1. Spacer ID: 135.5 to 136 mm (5.335 to 5.354 in)
2. Spacer Width: 3.8 to 4 mm (0.150 to 0.157 in)
3. Spacer OD: 145 mm (5.709 in)
4. Installer Bushing: 115 mm (4.527 in)
5. Installer Bushing Width: 30 mm (1.181 in)
6. Installer Bushing OD: 129 mm (5.079 in)
20026010
56

36 SECTION 10 -
- ENGINE -
- CHAPTER 1
Seal Installation
6. Lightly oil the crankshaft seal area with new
engine oil.
7. Install the spacer onto the molded plastic insert.
Use the installed bushing to push the seal into
position in the seal housing.
8. Ensure that the seal is installed evenly around the
full circumference (the spacer should be against
the molded plastic insert and the housing all the
way around).
NOTE: The molded plastic insert should not be
removed until the seal is correctly positioned.
IMPORTANT: The engine MUST NOT be started
within 24 HOURS of the seal installation and plastic
insert removal. This is required to allow the seal to
expand and settle onto the crankshaft after the
molded plastic insert is removed.
-- Install the flywheel and tighten the retaining bolts
(1) to a torque of 40 Nm (30 lb-ft).
24762
1
57
-- Using tool 380000304 (1), tighten each flywheel
bolt (2) through a further 60°.
24763
1
2
58

SECTION 10 -
- ENGINE -
- CHAPTER 1 37
Pistons with Rings, Pins, Connecting Rods, Big
End Caps and Bearings
1. Lubricate pistons, rings and cylinders with engine
oil prior to fitting.
2. Using the piston ring pliers 380000221 install the
piston rings. Make sure that the piston ring gaps are
offset at 180°.
3. Install piston ring clamp 380000220 (1) to
compress the rings (2), making sure that the piston
ring gaps remain in the positions specified in the
previous point.
25163
59
4. Insert the piston / connecting rod into the cylinder,
checking that the connecting rod number
corresponds with the cylinder number and that
the number stamped on the connecting rod is
facing away from the camshaft.
5. Install the big--end caps (1), complete with shells,
to the crankpins and tighten the cap bolts (2) to a
torque of 40 Nm (30 lb-ft).
25164
2
1
60
6. Using tool 380000304 (1), tighten each big--end
cap bolt (2) through a further 60o.
25165
2
1
61

CASE IH JX1060C Tractor Service Repair Manual.pdf

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CASE IH JX1060C Tractor Service Repair Manual.pdf