Case ih case international 1896 tractor service repair manual
- 1. SHOP MANUAL CASE/INTERNATIONAL MODELS 1896-2096 IDENTIFICATION Tractor model number and identification seriai number are iocated on a piate on right fender of tractors not equipped with a cab, or on a plate on upper right of cab interior on tractors so equipped. Cab serial number is iocated on a piate on upper right of cab interior. Engine seriai number is iocated on a piate on ieft side of timing gear housing. Transmission seriai number is on ieft side of transmission housing. On modeis so equipped, front-wheei drive seriai number is iocated on a piate on rear of front drive axie housing. INDEX (By Starting Paragraph) AFTER COOLER AIR CLEANER SYSTEM AXLE, FRONT (TWO WHEEL DRIVE) Axle Main Member . . . . Front Support Spindles Tie Rod & Tbe-In Wheel Bearings Models 1896 76 5 6 2 4 1 2096 75 76 5 6 2 4 1 BRAKES Bleed System 169 169 Brake Cylinders 174 174 Linkage Adjustment 168 168 Power Brake Valve 167 167 CAB Remove & Reinstall. COOLING SYSTEM Radiator Thermostat Water Pump 232 232 77 78 79 FUEL SYSTEM Bleed System Fuel, Filters & Transfer Pump. Fuel Solenoid Shut-Off Iryection Pump 59 56 64 . 60 Iryector Nozzle 65 Timing 61 77 78 79 59 56 64 60 65 61 Models 1896 2096 DIFFERENTIAL (REAR) Overhaul 161 161 Remove & Reinstall 160 160 DIFFERENTLAL LOCK Control Valve 163 163 ELECTRICAL SYSTEM Accessory Systems 100 Alternator 87 Batteries 80 Cab Fan 131 Charging System 82 Digital Instrument Cluster 101 Heater & Air Conditioning 132 Protective Circuits 98 Starting Motor 94 Windshield Wiper 130 ENGINE Cam Followers Camshaft Connecting Rods & Bearings Crankshaft & Bearings Cylinder Head Cylinder Sleeves (Service) . . Flywheel. 35 41 47 48 30 45 51 Main Bearings 48 Oil Pan Oil Pump Piston & Rod Removal Piston Pins & Bushings Pistons & Rings 52 53 43 46 44 100 87 80 131 82 101 132 98 94 130 35 41 47 48 30 45 51 48 52 53 43 46 44 ©Copyright 1990 by Intertec Publishing Corp. Printed in the United States of America.
- 2. INDEX (CONT.) Models 1896 2096 ENGINE (Cont.) Removal & Reinstall Engine Assembly 29 29 Timing Gear Cover 36 36 Timing Gears 37 37 Valve Adjustment 32 32 Valve Guides & Springs 33 33 Valves & Seats 31 31 FBVAL DRIVES Overhaul 159 159 Remove & Reinstall 158 158 FRONT-WHEEL DRIVE Differential 10 10 Front Drive Shaft 11 H Pivot Housing & Axle Shaft 9 9 R&R Drive Axle Assy. 7 7 Tie Rod & Ibe-In 14 14 Transfer Gearbox 12 12 Wheel Hub & Planetary 8 8 HYDRAUUC SYSTEM Hitch Control Valve 228 228 Hitch Cylinder 231 231 Load Check Valve 217 217 Tbsting 189 189 Pumps 200, 200, 201 201 Remote Cylinder 218 218 Remote Valves 213 213 Rockshaft 231 231 Sensing Linkage 222 222 System Filters 209 209 Trouble-shooting . 219 219 PARK HAND BRAKE Adjustment 174A 174A Renew Brake I^ds 174B 174B Models 1896 2096 PARK LOCK Linkage A(^ustment 164 164 Overhaul Park Lock 165 165 POWER SHIFT Ac^ustment 137 137 Control Valve 139 139 Power Shift Operation 135 135 R&R & Overhaul 142 142 POWER TAKE OFF Clutch Overhaul 180 180 Control Valve & Flow Divider 177 177 Linkage Adjustment 175 175 R&R Housing & Gears 179 179 POWER STEERING SYSTEM Fluid, Filters & Bleeding 15 15 Hand Pump 22 22 Oil Cooler 27 27 Operational Tfests 18 18 Steering Column 28 28 Steering Cylinder 25,26 25,26 System Pressure 17 17 TORQUE LIMITER CLUTCH R&R and Overhaul 134 134 GEAR TRANSMISSION Linkage Adjustment 150 150 Overhaul 153 153 Shift Forks 152 152 TURBOCHARGER Operation 72 72 Overhaul 74 74 Remove & Reinstall 73 73 DUAL DIMENSIONS This service manual provides specifications in both the U.S. Customary and Metric (SI) system of measurements. The first specification is given in the measuring system used during manufacture, while the second specifications (given in parenthesis) is the converted measurement. Fbr instance, a specification of "0.011 inch (0.279 mm)" would indicate that the equipment was manufactured using the U.S. system of measurement and the metric equivalent of 0.011 inch is 0.279 mm.
- 3. CASE/INTERNATIONAL CONDENSED SERVICE DATA Models 1896 2096 Diesel 6TA-590 6 4.016 in. (102 mm) 4.724 in. (120 mm) 359 cu. in. (5.9 L) 17:1 7 None 12 GENERAL Engine Make Consolidated Engine Model 6T-590 Cylinders, No. of 6 Bore 4.016 in. (102 mm) Stroke 4.724 in. (120 mm) Displacement 359 cu. in. (5.9 L) Compression Ratio 17.5:1 Main Bearings, No. of 7 Cylinder Sleeves None Forward Speeds 12 TUNE-UP Firing Order • 1-5-3-6-2-4 Valve Tkppet Gap, Cold- Intake 0.010 in. (0.254 mm) Exhaust 0.020 in. (0.508 mm) Irjection Pump- Make Robert Bosch — Model VE Timing TDC Iijection Nozzles- Make Robert Bosch 117 mm Opening Pressure, New 3550-3670 psi (24476-25303 Used 3200-3625 psi (22063-24994 kPa) Turbocharger— Make Holset - Engine Governed Speeds (Rpm)— Low Idle . . 750-850 - High Idle 2210-2290 - Rated Load 2100 — Battery Iferminal Grounded Negative - CAPACITIES CooUng System 22 U.S. qts. (20.8 L) - Crankcase (w/filters) 16 U.S. qts. (15.1 L) - Transmission & Hydraulic System 100 U.S. qts. (94.6 L) - Oil Type Hy-Tran Plus 0.010 in. (0.254 m m ) 0.020 in. (0.508 m m ) 3190-3310 psi (21994-22821 kPa) 3120-3260 psi (21511-22476 kPa)
- 4. MODELS 1896-2096 Paragraphs 1-3 CONDENSED SERVICE DATA (CONT.) 1896 CAPACITIES (Cont.) Fuel Tknk Front Drive Axle- Differential (Axle) Housing Oil Type Planetary (Each Side) Oil Type Models 65 U.S. gal. - (246 L) - - 9 U.S. qts. - - (8.5 L) - - 85/140 EP - 1.5 U.S. qts. - (1.4 L) - - 85/140 EP - 2096 FRONT AXLE (TWO WHEEL DRIVE) FRONT WHEEL BEARINGS All Models 1. Refer to Fig. 1 for typical wheel hub and bear- ing assembly. The tapered inner and outer roller bearings are not interchangeable. Clean and inspect bearing cups and cones and renew as necessary. Install inner seal (10) with lip facing spindle flange. Install outer seal (9) with lip facing away from bearing (8). Fill hub cavity and pack bearings with No. 2 lithium grease. Coat sur- face of seal lips with grease. When adjusting wheel bearings, tighten nut (2) un- til drag on hub is felt, then back nut off V * turn or until next pin hole lines up. Bearings should have zero end play. Install cotter pin. SPINDLES All Models 2. R&R SPINDLES. Tb remove spindle, lift and support front of tractor and remove wheel. Discon- nect tie rod ball joint from steering arm (3—Fig. 2). Remove bolt (1) and washer (2) from arm (3). Note index punch marks on arm and shaft indicating lo- cation of tapered splines for left or right steering arm, then remove steering arm. Support spindle and re- move snap ring (4) and washer (5), then remove spin- dle (8) from axle extension (7). 3. SPINDLE BUSHINGS. With spindles removed, spindle bushings (6—Fig. 2) can be removed using a suitable drift punch. New bushings are presized and should not require reaming if carefully installed. 1 0 Fig. 1—Exploded view of wheel hub and bearing assembly used on all two-wheel drive tractors. 1. Cap 6. Hub 2. Nut 7. Bearing cup 3. Washer 8. Bearing cone 4. Bearing cone 9. Seal (outer) 5. Bearing cup 10. Seal (inner)
- 5. Paragraphs 4-5 CASE/INTERNATIONAL Press new bushings into axle ends until bushing flange seats against surface of axle ends. Assemble by reversing disassembly procedure mak- ing sure punch marks on shaft and steering arm align. Tighten bolt (1) to 200-250 ft.-lbs. (271-339 N-m) torque. Lubricate through grease fitting with No. 2 lithium grease. Tighten tie rod slotted nut to 100-125 ft.-lbs. (136-168 N-m) torque and install new cotter pin. 4. TIE RODS AND TOE-IN. Disassembly of tie rod assembly is obvious after examination of unit and ref- erence to Fig. 3. However, upon reassembly make sure clamp bolts (5) are installed in same number hole as axle extension. Tighten tie rod slotted nuts to a torque of 100-125 ft.-lbs. (136-169 N-m). Install new cotter pins. Tight- en clamp bolt (5) nuts to a torque of 45-54 ft.-lbs. (61- 73 N-m). Front wheel toe-in must be 1/8-1/2 inch (3.M2.7 mm). Tb ac^just toe-in, remove clamp bolt (5) from left Mark For Assembly Mark For Assembly Fig. 2—Exploded view of steering spindie used on aii twO' wheei drive tractors. Note assembiy marks. 1. Cap screw 5. Washer 2. Washer 6. Bushings 3. Steering arm 7. Axle extension 4. Snap ring 8. Spindle tie rod extension. Loosen jam nut (8), then turn ex- tension (9) in or out until desired toe-in is obtained. Install clamp bolt (5) and tighten nut to a torque of 45-54 ft.-lbs. (61-73 N-m). Tighten jam nut (8) against tie rod extension (9). AXLE MAIN MEMBER AND PIVOT PIN All Models 5. Tb remove axle main member, first raise and support tractor under engine side rails with suitable jack stands. Disconnect tie rods from steering arms, then refer to Fig. 3 and disconnect power steering cylinder (10) from axle main member and tie rod lug. Secure steering cylinder up and out of the way. Be careful not to damage hydraulic lines to cylinder. Refer to Fig. 4 and remove bolt (3), washer and spacer. Remove front grease fitting and install a slide hammer to pivot shaft (2). Support axle main mem- ber with a rolling floor jack, then pull pivot shaft out front of front support (1). Catch thrust washers (4 and 5) as shaft is removed. Lower axle main member enough to clear front support and roll forward from tractor. Fig. 3--Expioded view of steering tie rod, cyiinder, arms and reiated parts used on two-wheei drive tractors. 1. Slotted nuts 2, Dust covers 3. Steering arms 4. Tie rod extension R.H. 5. Clamp bolts 6. Tie rod tube 7. Tie rod end 8. Jam nut 9. Tie rod extension L.H. 10. Steering cylinder lL Axle main member 12. Axle extension 13, Spacer 14, Locater bolt 6
- 6. MODELS 1896-2096 Bushings (6) can now be removed using a suitable drift punch. Drive new bushings into bore of axle main member until flush to 1/16 inch (1.6 mm) below outer surface. When reassembling, coat pivot shaft and bushings with antiseize compound. Install steel washer (4), ny- lon washer (5), then second steel washer (4) at front and rear of axle main member. When axle main mem- ber and pivot shaft are installed, install and tighten spacer, washer and bolt (3) to a torque of 93-112 ft.- lbs. (126-152 N-m). If axle extensions (12—Fig. 3) have been removed, reinstall and insert spacers (13—Fig. 4) and locater bolts (14). Install and tighten nuts (15) to a torque of 400-480 ft.-lbs. (542-651 N-m). FRONT SUPPORT All Models 6. Tb remove front support (1—Fig. 4), first discon- nect headlight wiring, then remove grille, hood and side panels. Drain coolant from radiator and discon- nect upper and lower radiator hoses. Disconnect air intake tube, oil cooler lines and air conditioner lines at quick couplers. Attach a hoist to the radiator, con- denser and oil cooler assembly support brackets, re- move two rear bolts and three front bolts, then lift off the assembly. Remove front axle assembly as out- Flg. 4—Exploded view of front axle and support used on two-wheel drive models. 1. Front support 2. Pivot shaft 11. Axle main 3. Bolt member 4. Steel washers 13. Spacer 5. Nylon washers 14. Locater bolt 6. Bushings 15. Nut Paragraphs 6-7 lined in paragraph 5. Attach a hoist to front support, then unbolt and remove. Reinstall by reversing removal procedure. Tighten side rail to front support bolts to a torque of 380-450 ft.-lbs. (515-610 N-m). Tighten the five cap screws securing the radiator, condenser and oil cooler sup- port bracket to front support to a torque of 35-42 ft.- lbs. (48-57 N-m). FRONT DRIVE AXLE Models 1896 and 2096 tractors are available with a ZF front drive axle. DRIVE AXLE ASSEMBLY AND SUPPORT Models So Equipped 7, REMOVE AND REINSTALL, Tb remove the front drive axle assembly, place transmission in PARK and securely block rear wheels. Unbolt and remove drive shaft shield and the front drive shaft assem- bly. Disconnect steering cylinder lines and cap or plug all openings. Loosen front wheel to hub nuts on both front wheels. Install a side frame jack CAS-10500-1 or front split stand CAS-10749 on each side of trac- tor. Raise front of tractor until front wheels are off the ground. Remove wheel nuts and using a hoist, remove front wheels. Place a floor jack or special axle carrier CAS-10500-4 under front axle. Remove cap screw (5—Fig. 5), washer (4) and spacer (3). Then, remove pivot shaft (2) and thrust washers (6 and 9). Lower axle (floor jack) or raise tractor (axle carrier) and roll assembly forward from tractor. Inspect bush- ings (7) and renew as necessary. When installing new bushings, apply a coat of Loctite Anti-Seize to bore in axle housing. Freeze bushings in dry ice and care- fully install flush to 1/16 inch (1.6 mm) below the face of axle housing. To remove front support (1—Fig. 5), disconnect headlight wires, then remove grille, hood and side panels. Drain cooling system, then disconnect upper and lower radiator hoses. Disconnect air intake tube, oil cooler lines and air conditioner lines at quick cou- plers. Attach a hoist to the radiator, condenser and oil cooler assembly support brackets, remove two rear bolts and three front bolts, then lift off the assem- bly. Attach a hoist to the front support, then unbolt and remove. Reinstall by reversing removal procedure. Tighten side rail to front support bolts to a torque of 380-450 ft.-lbs. (515-610 N-m). Tighten the five cap screws securing the radiator, condenser and oil cooler sup- port bracket to front support to a torque of 35-42 ft.- lbs. (48-57 N-m). Inspect thrust washers (6 and 9) for excessive wear and renew as necessary. Reinstall axle assembly to
- 7. Paragraph 8 front support. Make sure nylon thrust washer (9) is installed between steel thrust washers (6). Use as many additional steel washers as possible at rear side of axle housing (8) to shim axle housing forward. Se- cure pivot shaft (2) in place with spacer (3), washer (4) and cap screw (5), tightened to a torque of 93-112 ft.-lbs. (126-152 N-m). Connect steering cylinder lines and reinstall drive shaft. Tighten drive shaft bolts and nuts to a torque of 45-54 ft.-lbs. (61-73 N-m). Install drive shaft shield. Install front wheels and remove jacks. Tighten front wheel to hub nuts to a torque of 115-130 ft.-lbs. (156-176 N-m). WHEEL HUB AND PLANETARY Models So Equipped 8. R&R AND OVERHAUL. Tb remove the wheel hub and planetary, support axle housing and remove wheel and tire assembly. Rotate wheel hub until drain plug (9—Fig. 6) is at bottom, remove plug and drain oil. Remove the two socket head screws (8), then remove planetary carrier (10). Unbolt and re- CASE/INTERNATIONAL move lockplate (2). Using a spanner wrench CAS-1762 or equivalent, remove slotted nut (1). Remove ring gear (3), outer bearing cone (5), hub (6) and inner bearing cone (7). If necessary, remove bearing cups (5 and 7), oil seal (1—Fig. 7) and dust seal (2) from hub. Sun gear (17—Fig. 6) is secured to axle shaft *'U'* joint (11—Fig. 7) with a snap ring (10). If necessary to remove sun gear, remove pivot housing (5) as out- lined in paragraph 9. Tb remove planetary gears (12—Fig. 6), remove snap rings (14) and slide gear and bearing assemblies from carrier (10). Remove tapered retaining ring (11) and slide bearing (13) from gear (12). Repeat operation for other two gears. Remove thrust washer (15) from cen- ter of carrier. Clean and inspect all parts and renew any show- ing excessive wear or other damage. Remove snap ring (16) and check condition of splined thrust washer (18) and thrust washer (19). Renew as necessary and reassemble on sun gear. Reinstall bearings (13) in planetary gears (12) and install retaining ring (11) with wide side of ring toward bearing. Install gear assem- blies and secure with snap rings (14). Fig. S^Front support and axle housing used on models equipped with front drive axle, 1. Front support 2. Pivot shaft 3. Spacer 4. Washer 7. Bushings 5. Cap screw 8. Axle housing 6. Thrust washers 9. Thrust washers (steel) (nylon) , 6—Exploded view of wheei hub and pianetary unit used on front drive axle. 1. Slotted nut 9. Drain plug 2. Lockplate 10 3. Ring gear 11 4. "O" ring 12 5. Bearing cup & » 13 cone (outer) 14 6. Hub 15 7. Bearing cup & 16 cone (inner) 8. Socket head Planetary carrier Retaining rings Planetary gear Roller bearing Snap ring Thrust washer Snap ring 17. Sun gear & shaft 18. Splined thrust washer screw 19. Thrust washer 8
- 8. MODELS 1896-2096 Paragraph 8 (Cont.) Ib ac^ust end play of axle shaft and sun gear, make sure thrust washer (15) is removed from carrier (10). Tb determine dimension (A—Fig. 8) which is the dis- tance from thrust washer seat to mounting flange of planetary carrier, install special tool CAS-1764 on thrust washer seat. The length of this tool (dimen- sion B) is stamped in mm on tool. Place special tool CAS-1765 across mounting flange of planetary carri- er. Using a depth gage through hole in tool CAS-1765, measure distance (C) to end of tool CAS-1764. Meas- ure diameter of tool CAS4765 (dimension D). Sub- tract dimension (D) from dimension (C) to obtain dimension (E). Add dimension (E) to dimension (B) to obtain dimension (A). Record this dimension. Tb determine dimension (F—Fig. 9) which is the distance from the end of the sun gear shaft to the face of the mounting flange of the planetary hub, push sun gear inward as far as possible. Assemble special tool legs CAS-1763 to tool CAS-1765 and hold against mount- ing flange of planetary hub. The length of this spe- cial tool assembly (dimension G) is stamped in mm on the legs. Using a depth gage through hole in tool CAS-1765, measure distance (H) to end of sun gear Fig, 7—Exploded view of pivot housing and components used on front drive axie, 1. Oil seal 2. Dust seal ; 13. Axle shaft 3. Wear ring 14. Oil seal 4. Pivot pin (lower) _ 15. Sleeve bearing 5. Pivot housing 6. Pivot pin (upper) 7. Shim 8. Sleeve bearing 9. Oil seal 10. Snap ring 11. "U" joint assy. 12. Snap ring 16. "O" ring 17. Seal cap 18. Bearing cone 19. Bearing cup 20. Cup plug 21. Axle housing 22. Drain plug Subtract dimension (H) from dimension (G) to obtain dimension (F). Then, subtract dimension (F) from dimension (A—Fig. 8) to obtain the total distance axle and sun gear is free to travel. Correct end play of axle shaft and sun gear is 0.012-0.024 inch (0.3-0.6 mm). Fig, 8—View ofspeciai toois used to determine dimension (A) from mounting fiange of pianetary carrier to seat of thrust washer. Refer to text for procedure. 23. Fill & level plug Fig, 9—View ofspeciai toois used to determine dimension (F) from fiange of hub to end of sun gear shaft. Refer to text for procedure. 9
- 9. Paragraphs 9-10 CASE/INTERNATIONAL Subtract correct end play from the predetermined distance axle shaft and sun gear is free to travel to determine correct thickness of thrust washer (15— Fig. 6) to be installed. Thrust washers are available in thicknesses of 0.059, 0.067, 0.079, 0.087, 0.098 and 0.118 inch (1.5, 1.7, 2.0, 2.2, 2.5 and 3.0 mm). When reassembling, install new wear ring (3—Fig. 7) and bearing cone (7—Fig. 6) on pivot housing. If removed, install bearing cups (5 and 7) in hub (6). In- stall new oil seal (1—Fig. 7) and dust seal (2) in hub. Lubricate seal and install hub and outer bearing cone (5—Fig. 6). Install ring gear (3) and slotted nut (1). Using a spanner wrench CAS-1762, tighten slotted nut until a rolling torque of 8.9-13.3 ft.-lbs. (12-18 N-m) with new bearings or 6.7-8.9 ft.-lbs. (9-12 N-m) with used bearings, is required to rotate hub. Use special tool CAS-1768 to check rolling torque. When rolling torque is correct, secure with lockplate (2) and cap screws tightened to a torque of 70 ft.-lbs. (96 N-m). Install new **0** ring (4) on hub (6). Use grease to stick predetermined thrust washer (15) in place in carrier (10), then install carrier on hub. Install the two socket head cap screws (8) and tighten to a torque of 70 ft.-lbs. (96 N-m). Rotate hub until the filler (drain) hole is horizontal to center of hub. Fill hub with GL5 85/140 EP gear oil to filler plug opening. Capacity is 1.5 U.S. quarts (1.4 L). Install plug (9). In- stall wheel and tire assembly and tighten wheel hub nuts to a torque of 115-130 ft.-lbs. (156-176 N-m). Low- er tractor to the ground. PIVOT HOUSING AND AXLE SHAFT Models So Equipped 9. REMOVE AND REINSTALL. To remove the pivot housing (5—Fig. 7), first remove the wheel hub and planetary as outlined in paragraph 8. Remove snap ring (16—Fig. 6), splined thrust washer (18) and thrust washer (19) from sun gear (17). Disconnect tie rod end from arm on pivot housing. Unbolt upper and lower pivot pins (6 and 4—Fig. 7), then remove pivot pins with ''O" rings (16), seal caps (17) and bearing cones (18). Keep shims (7) with upper pivot pin. Re- move pivot housing (5), then withdraw sun gear, **U" joint and axle shaft assembly from axle housing. Drive out cup plugs (20) and remove bearing cups (19). Remove bearing cones (18), seal caps (17) and ''O" rings (16) from pivot pins. Remove oil seals (9 and 14) and if necessary, remove sleeve bearings (8 and 15). Loosen snap ring (10) in ' *U'' joint and remove sun gear. Loosen snap ring (12) in '*U" joint and remove axle shaft (13). Clean and inspect all parts and renew any showing excessive wear or other damage. **U** joint (11) is available only as an assembly. Reassem- ble sun gear and axle shaft to * *U" joint by reversing disassembly procedure. If removed, install sleeve bearings (8 and 15). In- stall new oil seals (9 and 14) with lips of seals toward sleeve bearings. Install cup plugs (20) and bearing cups (19) in axle housing. Lubricate lips of seals (9 and 14), then insert axle shaft into axle housing. Make certain axle shaft splines engage splines in differential side gears. Install new ''0** rings (16), seal caps (17) and bearing cones (18) on pivot pins and lubricate bearing cones with lithium grease. Carefully install pivot housing (5) over sun gear and axle hous- ing. Install lower pivot pin assembly with original shim (7) and cap screws tightened finger tight. Ibrque bottom cap screws first, then the upper cap screws to 140 ft.-lbs. (190 N-m.). Check swing resistance with a torque wrench which should be 16-21 ft.-lbs. (21- 28 N-m) with new bearings or 8-10.5 ft.-lbs. (10.5-14 N-m) for used bearings. Adjust swing resistance by using alternate shim thickness. Shims are available in thicknesses of 0.024, 0.039, 0.055, 0.063, 0.071 and 0.079 inch (0.6, 1.0, 1.4, 1.6, 1.8 and 2.0 mm). Install thrust washer (19—Fig. 6), splined thrust washer (18) and snap ring (16). Reinstall wheel hub and planetary as outlined in paragraph 8. Connect tie rod end to steering arm on pivot housing and tighten nut to 100-125 ft.-lbs. (136-169 N-m) torque. DIFFERENTIAL AND BEVEL GEARS Models So Equipped 10. R&R AND OVERHAUL. 1b remove the front differential assembly, place transmission in PARK and securely block rear wheels. Unbolt and remove drive shaft shield and front drive shaft. Raise front of trac- tor and support each end of axle housing with jack stands. Unbolt and remove front wheels. Disconnect steering cylinder lines and cap or plug all openings. Disconnect tie rod ends from steering arms on pivot housings. Remove drain plug (22—Fig. 7) and drain oil from axle housing. Attach a hoist to planetary hub. Unbolt and remove upper and lower pivot pins (6 and 4) with bearing cones. Keep shim (7) with upper piv- ot pin. Remove planetary hub, pivot housing and axle shaft from each end of axle housing. Place a floor jack under differential assembly, remove differential cap screws and install a guide stud at each side of differential housing. Separate differential housing from axle housing and using the floor jack, remove assembly from tractor. 1b disassemble, remove lock pins (16—Fig. 10) from adjusting nuts (9 and 15). Remove the adjusting nuts and bearing cups (10 and 14). Using a suitable puller, remove bearing cones (11 and 13). Remove cotter pins (21), then pry off lockplates (26). Remove cap screws (22 and 25) and separate differential case halves (28 and 40). Remove differential pinions (34), cross pins (35) and thrust washers (33). Remove ring gear (27) 10
- 10. MODELS 1896-2096 I and differential case half (28) assembly first, then re- move differential case half (40) assembly. Remove side gear (36), thrust disc (37), friction discs (38) and friction plates (39) from differential case half (40). Remove side gear (32), thrust disc (31), friction discs (29) and friction plates (30) from differential case half (28). Ring gear (27) is secured to differential case half (28) by four sets of double spring pins (23 and 24). Use a press to remove case half from ring gear. 40 39 Fig. lO—Exploded view of limited bevei drive gears assembiy used on steering cyiinder is removed from 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. Nut Washer Drive yoke Seal cover Oil seal Bearing cone Bearing cup Spacer A(^usting nut Bearing cup Bearing cone Differential housing Bearing cone Bearing cup AcUusting nut Lock pin Shim Bearing cup Bearing cone Bevel drive pinion 21. Cotter pin 22. Cap screw (drilled head) slip differentiai and front drive axle. Note differentiai housing. 23. Spring pin 24. Spring pin 25. Cap screw 26. Lockplate 27. Ring gear 28. Differential case half 29. Friction discs (internal teeth) 30. Friction plates (external tangs) 31. Thrust disc 32. Side gear 33. Thrust washer (4) 34. Differential pinion (4) 35. Cross pins 36. Side gear 37. Thrust disc 38. Friction discs (internal teeth) 39. Friction plates (external tangs) 40. Differential case half Paragraph 10 (Cont.) Remove nut (1), washer (2) and drive yoke (3) with seal cover (4). Drive bevel pinion shaft (20) out of bearing cone (6) and remove pinion with spacer (8) and bearing cone (19). Remove oil seal (5) and bear- ing cone (6) from differential housing (12). Using a press, remove bearing cone (19) and spacer (8) from bevel pinion shaft. Drive bearing cups (7 and 18) from differential housing, then remove shims (17). Clean and inspect all parts and renew any show- ing excessive wear or other damage. Bevel drive pin- ion (20) and ring gear (27) are available only as a matched set as are the differential case halves (28 and 40). Ib install and adjust bevel drive pinion position, proceed as follows: Install bearing cups (7 and 18) without shims (17) in differential housing (12). Install bearing cone (19) over rod end of special tool CAS- 1770 and install in differential housing. Install bear- ing cone (6) on other half of special tool and install in housing. Tighten tool by hand until bearing cones are seated in bearing cups (all end play removed). In- stall pilot discs CAS-1771 in carrier bearing bores in differential housing. Insert special tool CAS-1765 through the pilot discs. Using a feeler gage, measure the distance between end of tool CAS-1770 and tool CAS-1765. Add this distance to the metric dimension stamped on tool CAS-1770, then add % the diameter of tool CAS-1765. Subtract the metric dimension on end of bevel drive pinion from the previously deter- mined sum to obtain thickness of shim (17) to be in- stalled behind bearing cup (18). Shims are available in thicknesses of 0.004, 0.008, 0.012 and 0.020 inch (0.1, 0.2, 0.3 and 0.5 mm). Remove special tools and bearing cones, then remove bearing cup (18). Install the previously determined shim pack (17) and rein- stall bearing cup (18). Heat bearing cone (19) to 250° F (120° C) and install on bevel drive pinion (20) until seated. Install bevel drive pinion and bearing cone in differential housing and install new spacer (8). Heat bearing cone (6) to 250° F (120° C) and install on bevel drive pinion. Install new oil seal (5) with lip toward bearing cone (6). If bearing cover (4) is dam- aged, press old cover off and a new cover on drive yoke (3). Install drive yoke and washer (2) on bevel drive pinion. Apply Loctite to threads of nut (1), then install and tighten nut until a rolling torque of 1.5- 2.2 ft.-lbs. (2.0-3.0 N-m) is required to rotate bevel drive pinion. Tb reassemble the ring gear and differential, pro- ceed as follows: If spring pins (23 and 24) have been removed or if new differential case is being installed, refer to Fig. 11 and install spring pins as shown. In- stall large spring pins (24—Fig. 10) until seated with slot in pins aligned with bolt circle. Then, install small spring pins (23) until flush with top of large pins with slots 180 degrees from slots in large pins. Heat ring gear (27) to 400-450° F (204-232° C) and install on 11
- 11. Paragraphs 11-12 CASE/INTERNATIONAL differential case half. Double spring pins must enter the four smaller holes in ring gear. Place differential case half (28) on bench with open side upward. In- stall friction plates (30), friction discs (29), thrust disc (31) and side gear (32) in the case half. Then, install cross pins (35), differential pinions (34) and thrust washers (33) in the case half. Hold three of the differential pinions in place and using a dial indica- tor, check backlash between fourth pinion and side gear. Correct backlash is 0.008-0.012 inch (0.2-0.3 mm). Adjust backlash by selecting a thicker or thin- ner thrust disc (31). Thrust discs are available in thicknesses of 0.110, 0.114 and 0.118 inch (2.8, 2.9 and 3.0 mm). Install thrust disc with abrasive side toward friction plate. Repeat this procedure and ac^just back- lash using opposite half of differential (36 through 40). Install differential case half (40) assembly in differential housing first, then install differential case half (28) assembly. Install cross pins (35), pinions (34) and thrust washers (33) and aligning part numbers on case halves, assemble differential. Install drilled head cap screws (22) on each side of spring pins and install cap screws (25) in remaining holes. Tighten cap screws to a torque of 110 ft.-lbs. (150 N-m). Install lockplates (26) and use a 19 mm socket to drive plates over cap screw heads. Install cotter pins (21) in drilled head cap screws (22). Heat bearing cones (11 and 13) to 250° F (120° C) and install on differential case. Install bearing cups (10 and 14) and adjusting nuts (9 and 15). While main- taining some backlash between ring gear and bevel drive pinion, tighten adjusting nuts to remove all side play of differential. Then, tighten one adjusting nut two notches to obtain a preload of 2.2-2.9 ft.-lbs. (3.0- 4.0 N-m). Check the metric backlash dimension on rim of ring gear which should be 0.20-0.28 mm. Loos- en one adjusting nut and tighten the other adjusting nut one notch at a time to obtain correct backlash. Secure adjusting nuts with lock pins (16). Clean mounting flanges of differential housing and axle housing with Loctite Safety Solvent. Apply Loc- tite Gasket Eliminator to mounting flange of axle housing and install a guide stud at each side of hous- ing opening. Slide differential assembly over guide studs and into position. Tighten cap screws and nuts to a torque of 185 ft.-lbs. (250 N-m). Install new oil seals (14—Fig. 7) in each end of axle housing and carefully reinstall pivot housing and planetary assemblies by reversing disassembly proce- dures. Connect steering lines and tie rod ends and reinstall front drive shaft and shield. Install front wheels and lower tractor to ground. Fill front axle housing to level plug (23) opening with GL5 85/140 EP gear oil. Capacity is 9 U.S. quarts (8.5 L). FRONT DRIVE SHAFT Models So Equipped 11. R&R AND OVERHAUL. Tb remove the front drive shaft, first remove drive shaft shield (15—Fig. 12). Remove cap screws (7) and separate cross and bearing assemblies (6) from front and rear yokes (14 and 1). Remove lube fittings (4). Remove cap screws (5) and separate cross and bearing assemblies (6) from drive shaft (8) and slip yoke (12). Unscrew cap (9) and remove slip yoke from drive shaft. When reassembling, renew felt washer (10) and seal ring (11). Flanges on drive shaft and slip yoke (12) must be parallel. Cross and bearing units are serv- iced only as assemblies. The balance of assembly is the reverse of disassembly procedure. Tighten cap screws (5 and 7) to a torque of 45-54 ft.-lbs. (61-73 N-m). Install drive shaft shield (15). TRANSFER GEARBOX Fig, f i^instaii doubie spring pins in differential case haif as shown. Refer to text. Models So Equipped 12. R&R AND OVERHAUL. Tb remove the trans- fer gearbox, remove drain plug at bottom of gearbox and drain oil. Unbolt and remove drive shaft shield and front drive shaft. If so equipped, unbolt and re- move park hand brake caliper assembly. Remove nut (3—Fig. 12), washer (2) and yoke (1). Disconnect con- trol cable from shift lever (9—Fig. 13). Place a floor jack under gearbox, remove mounting cap screws and lower gearbox from tractor. Drive out groove pin (13) and remove shift lever (9). Unbolt and remove bottom cover (34) and gasket (35). Drive out roll pins (15) and remove shaft (14) and shift fork (11) with pads (12). Remove oil seal (10). Unbolt and remove rear cover (39) with **0*' ring (38) and shims (36 and 37). Unbolt and remove seal retainer 12
- 12. MODELS 1896-2096 Paragraph 12 (Cont.) (31) and oil seal (32). Install washer and nut on out- put shaft (26). Attach a slide hammer puller and pull shaft out until bearing cup (30) is free of housing. Us- ing a suitable puller, remove bearing cone (29). Re- move output shaft assembly out through bottom opening. Remove snap ring (25) and carefully slide shift collar (23) from shaft. NOTE: Hold a shop towel around shaft as collar is renfioved to catch detent balls (27) and springs (28). Press shaft from gear (22), thrust washer (20) and bearing cone (19). Remove nut (6) from idler shaft (2), then press shaft out of front bearing (7), rear bearing (4) and idler gear (3). Watch for ball (1) which may faU out of shaft. Re- move bearing cups (5, 8 and 18) from housing, if necessary. . Clean and inspect all parts and renew any show- ing excessive wear or other damage. Bushing (21) is available only with output gear (22). When reassembling, install bearing cups (5, 8 and 18), if removed. Install bearing cone (4) in cup (5) and place idler gear (3) with slot for ball (1) up, in posi- tion on rear bearing. Install idler shaft (2) and press into gear and bearing until ball hole isjust above gear face. Place ball in position in idler shaft and press shaft fully into idler gear. Heat bearing cone (7) to 250° F (120° C) and install on idler shaft. InstaU a new nut (6) and tighten finger tight. Using a dial in- dicator, measure idler shaft end play. Correct end play is 0.001-0.004 inch (0.025-0.102 mm). Adjust nut to obtain correct end play, then lock nut in place by bending edge of nut into slot in shaft. Use grease to stick the three springs (28) and balls (27) in holes in shaft (26). Tighten a worm drive hose clamp around 1 4 Fig. 12^Exploded view of front drive shaft assembly used with front drive axle. 1. Rear yoke 5. Cap screws 8. Drive shaft 12. Slip yoke 2. Washer 6. Cross & bearing 9. Cap 13. Lube fitting 3- Nut assy. 10. Felt washer 14. Front drive yoke 4. Lube fitting 7. Cap screws 11. Seal ring 15. Drive shaft shield 13
- 13. Paragraph 13 CASE/INTERNATIONAL the shaft to hold detent balls in position. Place shift collar (23) in position on shaft. Using a plastic ham- mer, drive shift collar into place over the detent balls and remove hose clamp. Install snap ring (25) in front of shift collar and place gear (22) and thrust washer (20) on rear of shaft. Heat bearing cone (19) to 250° F (120° C) and install on shaft. Install shaft assem- bly through bottom cover hole. Heat front bearing cone (29) to 250° F (120° C) and install on front of shaft. Install front bearing cup (30). Install new oil seal (32) in retainer (31) until seal is about 0.125 inch (3.175 mm) below face of retainer. Apply Loctite 504 3f 3 3 Fig. 13—Expioded view of transfer gearbox for front drive axle. 1. Ball 2. Shaft 3. Idler gear 4. Bearing cone 5. Bearing cup 6. Nut 7. Bearing cone 8. Bearing cup 9. Shift lever 10. Oil seal 11. Shift fork 12. Pad (2) 13. Groove pin 14. Shaft 15. Roll pins 16. Dowel ring 17. Housing 18. Bearing cup 19. Bearing cone 20. Thrust washer 21. Bushing 22. Output gear 23. Shift collar 24. Cup plug 25. Snap ring 26. Output shaft 27. Detent ball (3) 28. Detent spring (3) 29. Bearing cone 30. Bearing cup 31. Seal retainer 32. Oil seal 33. Drain plug 34. Bottom cover 35. Gasket 36. Shim, 0.002 in. (0.05mm) 37. Shim, 0.005 in. (0.13mm) 38. "O" ring 39. Rear cover Gasket Eliminator on front cover, lubricate lip of oil seal and install retainer. Tighten cap screws to a torque of 36 ft.-lbs. (49 N-m). Install rear cover (39), **0" ring (38) and original shims (36 and 37). Tight- en cap screws to a torque of 36 ft.-lbs. (49 N*m). Use a dial indicator to measure output shaft end play. Correct end play is 0.003-0.005 inch (0.076-0.127 mm). Add or remove shims (36 and 37) as required to ob- tain correct end play. A 0.002 inch (0.05 mm) thick shim will change end play about 0.004 inch (0.102 mm). If necessary to renew cup plug (24), apply a light coat of Permatex No. 2 to plug and drive plug in un- til flush with outside of housing. Install new oil seal (10) with lip to inside. Install shift pads (12) in shift fork (11), then install fork assembly and shaft (14) in housing. Secure with roll pins (15). Use new gasket (35) and install bottom cover (34). Tighten cap screws to a torque of 7 ft.-lbs. (10 N-m). Install shift lever (9) and secure with groove pin (13). Apply Loctite 504 Gasket Eliminator on mounting surface of gearbox. Using a floor jack, raise gearbox into position. Install mounting cap screws and tight- en to a torque of 106-127 ft.-lbs. (144-172 N-m). Con- nect control cable to shift lever. Install rear yoke (1— Fig. 12), washer (2) and nut (3). Tighten nut to a torque of 280-340 ft.-lbs. (379-461 N-m). Reinstall drive shaft and tighten cap screws to a torque of 35- 42 ft.-lbs. (48-57 N-m). Install drive shaft shield. Fill transmission and transfer gearbox to correct level with Hy-Tran Plus fluid. 13. R&R AND OVERHAUL INPUT SHAFT. Ib re- move the input shaft for the transfer gearbox, first split tractor between torque tube and transmission case as outlined in paragraph 155. Drive a small chisel under edge of nut (5—Fig. 14) to unstake the nut from slots in shaft. Remove nut from input shaft. Remove the three cap screws (8) and withdraw input shaft assembly from torque tube. Place housing in a press and press shaft from bear- ing cone (6) and housing (9). Remove seal rings (13), then press shaft from bearing cone (12). If necessary, use a suitable puller to remove bearing cups (7 and 11) from housing. Clean and inspect all parts and renew any show- ing excessive wear or other damage. When reassembling, press bearing cups into hous- ing until bottomed. Heat bearing cone (12) to 250° F (120° C) and install on input shaft. Carefully install seal rings (13) in grooves on shaft, making certain that the hooked ends are engaged. Place shaft and bear- ing in housing. Heat bearing cone (6) to 250° F (120° C) and install on input shaft. Install new nut (5) and tighten nut until it is against bearing cone (6). Use a dial indicator and check input shaft end play. Cor- rect end play is 0.001-0.004 inch (0.025-0.102 mm). Ad- 14
- 14. MODELS 1896-2096 just nut as required to obtain correct end play. Then, stake edge of nut in slots in shaft. Install input shaft assembly in the torque tube and tighten cap screws to a torque of 149-179 ft.-lbs. (201- 243 N-m). Refer to paragraph 157 and reassemble tractor. •i TIE RODS AND TOE-IN | Models So Equipped 14, Ibe-in should be 0-3/16 inch (0.0-4.763 mm) and is adjusted by turning the threaded studs between steering cylinder rod and tie rod ends. Both sides must be adjusted equally. 1 4 Fig. 14--Exploded view of transfer gearbox input shaft assembly which is iocated in the torque tube. Lubrication tube 8. Cap screw (3) Straight fitting 9. *'O'* ring 10. Elbow fitting 11. Nut . 12. Bearing cone i 7. Bearing cup Housing Dowel ring (3) Bearing cup Bearing cone 13. Seal rings 14. Input shaft POWER STEERING SYSTEM All models are equipped with hydrostatic pow- er steering using a Ross steering unit and an 8 gpm (30.3 L/min.) gear type hydraulic pump as the power source. One double acting steering cylin- der is used on the standard axle and the ZF front drive axle. Paragraphs 14-16 FLUID, FILTERS AND BLEEDING All Models 15. The transmission and hydraulic systemfluidis used in the power steering system. A dipstick locat- ed at the left rear of the tractor rear housing indi- catesfluidlevel. Use Hy-Tran Plusfluidin all models. Refer to CONDENSED SERVICE DATA tables for reservoir capacity and to HYDRAULIC SYSTEM SEC- TION for additional hydraulic system information. Steering hydraulic circuit is combined with brake circuit and dual filter unit is located in right front side of transmission housing. See Fig. 15 for explod- ed view of filter assembly. Tractors are provided with a dash mounted warning light and filter elements should be renewed when TRANS FILTER warning light flashes. Filters should be 10 to 12 micron rat- ing. Bypass valve (4) should be tightened finger tight plus V4 turn. Filter cover bolts should be tightened to a torque of 35-42 ft.-lbs. (48-57 N-m). Tb bleed the steering hydraulic system, run engine at half throttle and turn steering wheel from lock to lock several times until steering action is firm. Brake hydraulic system should be bled as outlined in para- graph 169. TROUBLE-SHOOTING All Models 16. Some of the troubles which may occur in the operation of the power steering system and their pos- sible causes are as follows: 1. No power steering or steers slowly, a. Binding mechanical linkage. Excessive load on front wheels and/or air pres- sure low in front tires. Steering cylinder piston seal faulty or cylinder damaged. Faulty power steering supply pump. Faulty hand pump. 2. Will not steer manually. a. Binding mechanical linkage. Excessive load on front wheels and/or air pres- sure low in front tires. Pumping element in hand pump faulty. Faulty seal in steering cylinder or cylinder damaged. 3. Hard steering through complete cycle. a. Low pressure from supply pump. b. Internal or external leakage. c. Faulty steering cylinder. d. Binding mechanical linkage. e. Excessive load on front wheels and/or air pressure low in front tires. f. Cold hydraulic fluid. b. c. d. e. b. c. d. 15
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- 16. Paragraphs 17-19 CASE/INTERNATIONAL 4. Momentary hard or lumpy steering, a. Air in power steering circuit. SYSTEM OPERATING PRESSURE AND RELIEF VALVE All Models 17. The power steering operating pressure is con- trolled by a relief valve contained in the brake regu- lator valve housing. Brake pressure regulator valve is located below cab floor on left side of torque tube. Relief pressure should be 2000-2200 psi (13790-15168 kPa). Ib test steering relief pressure using a CAS-10280 flowmeter or equivalent, install outlet hose from flowmeter into transmission filler neck. Disconnect the gear pump outlet hose and install a tee connec- tor. Reinstall pump outlet hose to tee, then install flowmeter inlet hose to the tee. Close load valve on flowmeter, start and operate engine at 2000 rpm un- til hydrauhc fluid reaches a temperature of approxi- mately 110°-120° F (43°-49° C). Turn steering wheel to either left or right lock position and hold. Observe relief pressure on flowmeter pressure gage. If pres- sure is incorrect, loosen locknut and turn steering pressure adjusting screw as required, then tighten locknut. Turn adjusting screw clockwise to increase pressure. Steering pressure adjusting screw is the lower adjusting screw on rear side of brake regula- tor valve. Upper screw is brake pressure adjusting screw. OPERATIONAL TESTS All Models The following tests are valid only when the power steering system is void of any air. If necessary, bleed system as outlined in paragraph 15 before perform- ing tests. 18. HAND PUMP. With power steering supply pump inoperative (engine not running), attempt to steer manually in both directions. F/g. iS^Expioded view of hydrauiic system filter as- sembly, 1. Transmission housing 4. Bypass valve 2. Filter elements 5. Gasket 3. Rod 6. Cover NOTE: Manual steering with power steering sup- piy pump inoperative, will require high steering ef- fort. If manuai steering can be accomplished with supply pump inoperative, it can be assumed that the manual steering pump will operate satisfactorily with the supply pump operating. 19. STEERING WHEEL SLIP (CIRCUIT TEST). Steering wheel slip is the term used to describe the inability of the steering wheel to hold a given posi- tion without further steering movement. Wheel slip is generally due to leakage either internal or exter- nal, or a faulty hand pump or steering cylinder. Some steering wheel slip, with hydraulic fluid at operat- ing temperature, is normal and permissible. A maxi- mum of one revolution per minute is acceptable. Ib check for steering wheel slip, install outlet hose from a CAS-10280 flowmeter or equivalent into trans- mission filler neck. Install a tee connector between gear pump outlet hose and gear pump. Install inlet hose of flowmeter to the tee connector. Start and op- erate engine until hydraulic fluid is warmed to a tem- perature of 110°-120*' F (43°-49° C). Close load valve on flowmeter completely With front wheels straight ahead and neutral movement on steering wheel, neu- tral steering pressure should not be more than 450 psi (3103 kPa). If pressure is more than 450 psi (3103 kPa), refer to paragraph 24 for pressure adjustment of steering hand pump. Shut off engine, then disconnect hose from right end of steering cylinder. Cap and plug hose and cyl- inder port. Close load valve on flowmeter, then start and operate engine at 1000 rpm. Turn steering wheel 16
- 17. MODELS 1896-2096 counterclockwise and hold tension on wheel while checking for external leakage at piston rod seal of cylinder. Remove center cap and telescopic control cap from steering wheel and using a torque wrench, turn steer- ing wheel counterclockwise to full lock and hold pressure. With engine operating at 1000 rpm, steer- ing wheel slip should not exceed 1 rpm with 72 in.- lbs. (8.14 N-m) pressure on steering wheel. Repeat test with steering wheel in clockwise direction. If measured slippage is excessive, steering hand pump has abnormal internal leakage. Refer to paragraph 22 for service of steering hand pump. 20. STEERING CYLINDER TEST, Reconnect hy- draulic hose to steering cylinder. Start and operate engine at 1000 rpm until hydraulic fluid temperature is 110°-120° F (43*=*-49° C). Close load valve on flow- meter. Using a torque wrench, turn steering wheel to full lock in either direction and hold pressure. With engine running at 1000 rpm, steering wheel slip should not exceed 1 rpm more than that measured in paragraph 19 in either direction with 72 in.-lbs. (8.14 N*m) pressure on steering wheel. If measured slippage is excessive, steering cylinder has more than normal internal leakage. Refer to paragraph 25 or 26 for service of steering cylinders. : HYDRAULIC PUMP All Models 21, The power source for the hydrostatic steering system is an 8 gpm (30.3 L/min.) gear type pump. The pump is attached to a larger piston type pump which powers the main hydraulic system. Refer to para- graph 192 for testing, paragraph 201 for removal and installation and to paragraph 207 for pump overhaul. HAND PUMP All Models 22. REMOVE AND REINSTALL. To remove the steering hand pump, first remove the "E'* rings and pin from the universal joint that connects the cou- pling to the steering pump. The coupling is located under the instrument panel. Disconnect the four hy- draulic lines to the steering pump. Cap or plug all hydraulic openings to prevent contamination of the hydraulic system. Remove the three bolts securing steering pump to engine firewall, then remove pump. Install steering pump by reversing removal proce- dure. Bleed system as outlined in paragraph 15. Paragraphs 20-23 23. OVERHAUL. Ib disassemble the removed hand pump refer to Fig. 16 and proceed as follows: Remove dirt seal, mounting plate and hydraulic fit- tings. Remove and discard outer shaft seal (39), then remove snap ring (38). Unbolt and remove cover (34), then remove seal ring (33), seal spacer (37) and in- ner shaft seal (36) from cover. Remove thrust wash- er (32), thrust needle bearing (31) and carefully with- draw input shaft assembly (items 18 through 30). Remove drive link (14) from valve spool (13), then re- move seal ring (15) and washer (12) from valve sleeve (11) and withdraw valve spool (13) from pump body. Remove cap (1), remove locknut (2), then push ad- justing screw (5) through pump plug and remove. Re- move pump plug (3) and discard **0'* ring (4). Remove plug (7), discard '*0'* ring (8) and remove ball (9). Ex- 11 12 Fig, 16—'Expioded view of Ross power steering hand pump. 1. Cap 2. Locknut 3. Pump plug 4. **0" ring 5. Ac^usting screw 6. Torsion blades 7. Plug & pin 8. " 0 " ring 9. Ball 10. Pump body 11. Sleeve 12. Washer 13. Spool 14. Drive link 15. Seal assy. 18. Seal assy. 19. Commutator 20. Cap screw 21. Manifold 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. Pin Pin Drive link Spacer Stator Rotor Spring Vane Input shaft Thrust bearing 32. Thrust washer 33 34 "O" ring Cover 35. Cap screw 36. Seal 37. Seal spacer 38. Snap ring 39. Shaft seal 17