D250E Series II and D300E Series II Articulated Trucks Power Train Caterpillar

Removal Procedure

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Personal injury can result from driveline torque windup under load. Unequal wheel speed can result in driveline torque windup which can cause driveline components to be under load during disassembly. Relieve the driveline torque windup before disassembly.

1. Release the contained energy in the driveline by raising either side of the machine until the wheels are off the ground. Lower the wheels back to the ground.

2. Chock the wheels in order to stabilize the machine for maintenance.

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Illustration 1	g00510350

3. Remove four bolts (1) in order to disconnect drive shaft (2) from the center axle.

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Illustration 2	g00510339

4. Remove four bolts (3) in order to disconnect drive shaft (2) from the hitch drive shaft. Use two persons in order to remove drive shaft (2) from the machine. The weight of drive shaft (2) is 41 kg (90 lb) .

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Illustration 3	g00511438

5. Remove four bolts (5) in order to disconnect drive shaft (2) from universal joint (4) .

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Illustration 4	g00511441

6. Remove four bolts (7) in order to disconnect drive shaft (2) from universal joint (6) .

Installation Procedure

1. Inspect all parts and clean all parts. If any parts are worn or damaged, use new Caterpillar parts for replacement.

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Illustration 5	g00511441

2. Install four bolts (7) in order to connect drive shaft (2) to universal joint (6) . Tighten bolts (7) to a torque of 135 ± 20 N·m (100 ± 15 lb ft) .

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Illustration 6	g00511438

3. Install four bolts (5) in order to connect drive shaft (2) to universal joint (4) . Tighten bolts (5) to a torque of 135 ± 20 N·m (100 ± 15 lb ft) .

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Illustration 7	g00510339

4. Use two persons in order to position drive shaft (2) to the machine. The weight of drive shaft (2) is 41 kg (90 lb). Install four bolts (3) in order to connect drive shaft (2) to the hitch drive shaft. Tighten bolts (3) to a torque of 135 ± 20 N·m (100 ± 15 lb ft) .

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Illustration 8	g00510350

5. Install four bolts (1) in order to connect drive shaft (2) to the center axle. Tighten bolts (1) to a torque of 135 ± 20 N·m (100 ± 15 lb ft) .