450F Backhoe Loader Machine Systems Caterpillar

Removal Procedure

Start By:

1. Remove the tilt cylinder.

2. Remove the bucket.

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Illustration 1	g01247933

1. Place suitable cribbing under the front of lift arms (1).
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   Illustration 2	g01247934

2. Attach a suitable lifting device to the rod end of lift cylinder (4). The weight of lift cylinder (4) is approximately 60 kg (132 lb). Use Tooling (A) in order to remove retaining ring (2). Remove pin assembly (3). Use the suitable lifting device in order to lower the rod end of lift cylinder (4) away from lift arms (1). Repeat for the other side.
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   Illustration 3	g01383329

3. Disconnect hose assemblies (5) and (6) from each side of the machine.
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   Illustration 4	g01383339

4. Cut cable straps (7) and disconnect harness assembly (8). Place harness assembly (8) to the side.
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   Illustration 5	g03210058

5. Attach Tooling (B), Tooling (C), and a suitable lifting device to lift arms (1). The weight of lift arms (1) is approximately 460 kg (1015 lb).
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   Illustration 6	g03210062

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   Illustration 7	g01383377

6. Remove plate (9). Repeat for other side.

7. The weight of pin (10) is approximately 27 kg (60 lb). Use two people to remove pin (10).

8. Remove lift arms (1).
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   Illustration 8	g01248263

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   Illustration 9	g03210122

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   When you are using hydraulic cylinders and puller studs, always ensure that the rated capacity of the puller stud meets or exceeds the rated capacity of the hydraulic cylinder. If the puller stud does not meet or exceed the rated capacity of the hydraulic cylinder, a sudden failure of the puller stud could occur. The sudden failure of the puller stud could result in personal injury or death.

9. Use Tooling (D) in order to remove bearings (11).
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   Illustration 10	g01248265

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   Illustration 11	g03210126

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   When you are using hydraulic cylinders and puller studs, always ensure that the rated capacity of the puller stud meets or exceeds the rated capacity of the hydraulic cylinder. If the puller stud does not meet or exceed the rated capacity of the hydraulic cylinder, a sudden failure of the puller stud could occur. The sudden failure of the puller stud could result in personal injury or death.

10. Use Tooling (E) in order to remove bearings (12).
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    Illustration 12	g01248315

11. Remove bearings (13).