988F and 988F Series II Wheel Loaders Power Train Caterpillar

Installation Procedure

1. Place the axle assembly in position underneath the machine. Attach suitable lifting cables and a hoist to each final drive housing.

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Illustration 1	g00522347

2. Raise rear axle assembly (6) to the machine. The weight of the axle assembly is 3594 kg (7923 lb).

3. Install two bolts (5), the nuts, and the washers in each side of the front trunnion support. Tighten the bolts to a torque of 1125 ± 100 N·m (825 ± 75 lb ft).

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Illustration 2	g00522346

4. Install four bolts (4), the nuts, and the washers in each side of the rear trunnion support. Tighten the bolts to a torque of 1125 ± 100 N·m (825 ± 75 lb ft).

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Illustration 3	g00522344

5. Install the tube assembly on the front trunnion and the rear trunnion.

6. Connect hydraulic hose assembly (1) to junction block (2) that is mounted on the rear axle.

End By:

1. Install the rear tires and rims. Refer to Disassembly and Assembly, "Tire and Rim (Rear) - Remove and Install".
2. Install the rear drive shaft. Refer to Disassembly and Assembly, "Drive Shaft (Rear) - Remove and Install".