938F WHEEL LOADER POWER TRAIN Caterpillar


Rear Support (Rear Axle Housing Group)

Usage:

Remove & Install Rear Support (Rear Axle Housing Group)

Start By:

a. remove rear axle housing group (oscillating)

1. Remove bolts (2) and cover (3) from rear support (1). For assembly purposes, the torque for the bolts holding cover (2) is 270 ± 40 N·m (200 ± 30 lb ft).

2. Remove thrust washer (4), four bolts (6), and plate (5) from the end of the trunnion. For assembly purposes, the torque for bolts (6) is 570 ± 80 N·m (420 ± 60 lb ft).

3. Remove the remaining thrust washer (7).

4. Fasten a lifting strap to rear support (1) as shown and remove it. The weight of the rear support is 45 kg (100 lb).

5. Remove lip seal (8).

6. Use Tooling (A) to remove sleeve bearing (9) from rear support (1).

7. Remove twelve bolts (11) and trunnion (10). The weight of the trunnion is 20 kg (45 lb).

NOTE: The following steps are for the assembling of the rear axle support.

8. Put 6V-6640 Gasket Maker on the mating surfaces of trunnion (10) and the oscillating housing assembly. Put the trunnion assembly in position on the oscillating housing assembly and install twelve bolts (11). Tighten bolts (11) to a torque of 300 ± 40 N·m (220 ± 30 lb ft).

9. Use Tool (A) and a press to install sleeve bearing (9) into support (1).


Typical Example

10. Use Tool (A) to install seal (8) into support (1). Make sure the seal is installed with the lip of the seal facing toward the outside of support (1) as shown.

11. Use a hoist and lifting strap to install support (1) on trunnion (10).

12. Reverse the procedures and steps 1 through 3 to complete assembly of the rear oscillating housing support.

End By:

a. install rear axle housing group (oscillating)

Caterpillar Information System:

938F WHEEL LOADER POWER TRAIN Front Support (Rear Axle Housing Group)
938F WHEEL LOADER POWER TRAIN Rear Axle Housing Group (Oscillating)
938F WHEEL LOADER POWER TRAIN Front Axle Housing Group (Fixed)
938F WHEEL LOADER POWER TRAIN Traction Control System (TCS) Wheel Speed Sensors (rear)
938F WHEEL LOADER POWER TRAIN Traction Control System (TCS) Wheel Speed Sensors (front)
938F WHEEL LOADER POWER TRAIN Traction Control System (TCS) Articulation Angle Sensor
938F WHEEL LOADER POWER TRAIN Traction Control System (TCS) Pressure Reducing Valve
938F WHEEL LOADER POWER TRAIN Traction Control System (TCS) On/Off Pilot & Proportional Brake Solenoid Valve
938F WHEEL LOADER POWER TRAIN Traction Control System (TCS) Electronic Control Module
938F WHEEL LOADER POWER TRAIN Rim & Tire (Rear)
938F WHEEL LOADER POWER TRAIN Rim & Tire (Front)
938F WHEEL LOADER POWER TRAIN Transmission Oil Filter & Base
938F WHEEL LOADER POWER TRAIN Axle Shaft Assemblies
938F WHEEL LOADER POWER TRAIN Brake Groups
938F WHEEL LOADER POWER TRAIN Differentials & Pinion Assemblies
938F WHEEL LOADER POWER TRAIN Pinion Assemblies
938F WHEEL LOADER POWER TRAIN Differential (Standard)
938F WHEEL LOADER POWER TRAIN Differential (Limited Slip)
938F WHEEL LOADER POWER TRAIN Differential (NoSPIN)
938F WHEEL LOADER POWER TRAIN Engine
938F WHEEL LOADER POWER TRAIN Transmission Control Valve
938F WHEEL LOADER POWER TRAIN Transmission
938F WHEEL LOADER POWER TRAIN Torque Converter
938F WHEEL LOADER POWER TRAIN Transmission Magnetic Filter
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