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

Removal Procedure

Start By:

1. Remove the rear axle stabilizer rod. Refer to Disassembly and Assembly, SENR9128, "Rear Axle Stabilizer Rod - Remove and Install" for the correct procedure.

1. Turn off the engine. Apply the foot brake several times in order to relieve the pressure in the brake system.

2. Park the machine on a hard, level surface. Chock the wheels in order to prevent the machine from moving.

3. Drain the oil from the rear axle housing. The capacity of the axle housing is 9 L (2.5 US gal) .

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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.

4. 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.

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

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Illustration 1	g00523091

6. Place an appropriate floor jack under drive shaft (1) . Use tie straps in order to secure the universal joint to the floor jack.

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Illustration 2	g00523092

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

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Illustration 3	g00523093

8. Remove four bolts (5) in order to disconnect drive shaft (1) from center axle (4) .

9. Use the floor jack in order to lower the drive shaft from the machine. The drive shaft weighs 23 kg (50 lb) .

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Illustration 4	g00523095

10. Remove four bolts (7) in order to remove drive shaft universal joint (6) from drive shaft (1) .

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Illustration 5	g00523096

11. Remove four bolts (9) in order to remove drive shaft universal joint (8) from drive shaft (1) .

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Illustration 6	g00524749

12. Disconnect hydraulic line (10) from the rear axle housing. Hydraulic line (10) will stay connected to rear suspension frame (11) .

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Illustration 7	g00524991

13. Remove hose clamp (12) that secures hydraulic hose (13) to differential (14) . Disconnect hydraulic hose (13) from differential (14) .

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Illustration 8	g00524711

14. Attach Tooling (A) , Tooling (B) and a hoist to dump body (15) , as shown. Apply a slight tension on the lifting slings. Position an appropriate floor jack under the shaft yoke on the rear axle housing.

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Illustration 9	g00524761

15. Remove four bolts (16) and the washers that secure axle housing (19) to mounting plate (17) . Remove four bolts (18) and the washers that secure axle housing (19) to rear suspension frame (11) .

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Illustration 10	g00524945

16. Remove four bolts (22) and the washers that secure bracket (23) and axle housing (19) to rear suspension frame (11) . Remove bracket (23) from axle housing (19) .

17. Remove four bolts (20) and the washers that secure axle housing (19) to mounting plate (21) .

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Illustration 11	g00524716

18. Use the hoist in order to raise the dump body enough to access hydraulic hose (25) . Disconnect hydraulic hose (25) from brake line (24) .

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Illustration 12	g00524946

19. Use the hoist in order to raise the dump body enough for removal of axle housing (19) . Use floor jack (26) in order to lower the shaft yoke on axle housing (19) . Rotate the wheels in order to remove axle housing (19) from the machine.