Usage:
Start By:
a. remove tire
Fluid Spillage Containment
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "Tools And Shop Products Guide", NENG2500 for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates.
NOTE: Front axle removed for better photographic illustration
1. Place front axle on transmission stand Tooling (A) using supports. BLock axle so it is steady and level. Strap in two places using Tooling (B).
2. Remove drain plug (3) and drain oil in a suitable container. Remove two socket head capscrews (1) and remove planetary carrier hub (2).
NOTE: Removal of the sun-gear shaft after the disassembly of the planetary carrier is possible without disassembly of the hub, the steering housing hub and the universal shaft.
3. Remove retainer rings (4).
4. Remove planetary gears (5) using Tooling (C) and remove inner bearing races using Tooling (D).
5. Install bearing assemblies (6) in the planetary gears (5).
6. Heat planetary gear assemblies (5) to a temperature of 135°C (275°F), then install them in the housing. Install retainer rings (4).
7. Assemble the pre-assembled planetary carrier hub (2) and fasten it by means of two socket head capscrews (1). Tighten socket head capscrews to a torque 32 N·m (24 lb ft).
8. Use a new O-ring for screw plug (3) and tighten to a torque of 150 N·m (110 lb ft).
End By:
a. install tire