Differential Pinion - Disassemble
Disassembly Procedure
Show/hide table
| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 1U-6690 | Socket | 1 |
| B | 1H-3110 | Bearing Puller Assembly | 1 |
Start By:
- Remove the differential and the bevel gear. Refer to Disassembly and Assembly, "Differential and Bevel Gear - Remove".
Note: The same disassembly procedure is used for the front differential pinion and for the rear differential pinion.
- Remove six bolts (1) and the washers. Remove retainer (2) .
Show/hide table
 | |
| Illustration 1 | g00334760 |
- Remove lip seal (3) from retainer (2) .
Show/hide table
 | |
| Illustration 2 | g00334761 |
- Use a hammer and a punch to bend the crimp away from slot (5) in pinion shaft (4) .
Note: Nut (6) may be reused if the collar is not cracked during removal or during restaking.
Show/hide table
 | |
| Illustration 3 | g00334764 |
- Use Tooling (A) to remove nut (6) from the pinion shaft.
Show/hide table
 | |
| Illustration 4 | g00334765 |
- Remove washer (7) from the pinion shaft.
Show/hide table
 | |
| Illustration 5 | g00334767 |
- Put the pinion housing in a suitable press, as shown. Remove pinion shaft (4) from the pinion housing by pressing the shaft out of bearing cone (8) .
Show/hide table
 | |
| Illustration 6 | g00334766 |
Show/hide table
 | |
| Illustration 7 | g00334768 |
- Use a suitable press and Tooling (B) to remove bearing cone (9) from pinion shaft (4) .
Show/hide table
 | |
| Illustration 8 | g00334769 |
- Remove bearing cone (8) from the pinion housing.
Show/hide table
 | |
| Illustration 9 | g00334770 |
- Remove bearing cup (10) from the pinion housing.
Show/hide table
 | |
| Illustration 10 | g00334772 |
- Remove bearing cup (11) and O-ring seal (12) from the opposite end of the pinion housing.
Show/hide table
 | |
| Illustration 11 | g00334773 |
Caterpillar Information System:
143H and 163H Motor Graders All Wheel Drive Operational Checks
784C, 785C and 785C HAA Off-Highway Truck/Tractors Hydraulic System Hydraulic System Schematic
769D Off-Highway Truck and 771D Quarry Truck Breather (Differential and Final Drive) - Replace
550 Wheel Harvester, 570 Wheel Harvester and 580 Wheel Harvester Hydraulic System Oil Filter (Implement Case Drain)
769D Off-Highway Truck and 771D Quarry Truck Differential Thrust Pin Clearance - Check
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0171 FMI 03 Temperature Sensor (Ambient Air) Voltage Above Normal - Test
143H and 163H Motor Graders All Wheel Drive Visual Inspection
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0110 FMI 06 Temperature Sensor (Engine Coolant) Current Above Normal - Test
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0110 FMI 04 Temperature Sensor (Engine Coolant) Voltage Below Normal - Test
980G Wheel Loader Power Train Transmission Hydraulic Control Valve - Disassemble
769D Off-Highway Truck and 771D Quarry Truck Cooling System Relief Valve - Clean
769D Off-Highway Truck and 771D Quarry Truck Cooling System Pressure Cap - Clean/Replace
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Hydraulic System Relief Valve (Line) - Test and Adjust
Caterpillar Monitoring System Switches
966F Series II Wheel Loader Power Train Differential Pinion - Assemble
3304B and 3306B Engines for Caterpillar Built Machines Engine Oil Filter Base - Disassemble
550 Wheel Harvester, 570 Wheel Harvester and 580 Wheel Harvester Hydraulic System Hydraulic Tank Fill Pump and Motor
988G Wheel Loader Cooling System Water Temperature Regulator - Replace
IT14G Integrated Toolcarrier and 914G Wheel Loader Engine Supplement Muffler - Remove and Install
550 Wheel Harvester, 570 Wheel Harvester and 580 Wheel Harvester Hydraulic System Pressure Reducing Valve (Swing Brake)
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0171 FMI 04 Temperature Sensor (Ambient Air) Voltage Below Normal - Test
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0171 FMI 06 Temperature Sensor (Ambient Air) Current Above Normal - Test
769D Off-Highway Truck and 771D Quarry Truck Differential and Final Drive Oil - Change
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0177 FMI 03 Temperature Sensor (Transmission Oil) Voltage Above Normal - Test