525C, 535C and 545C Wheel Skidders Machine Systems Caterpillar

Removal Procedure

Start By:

1. Remove the boom. Refer to Disassembly and Assembly, "Grapple Boom (Dual Function) - Remove".

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.

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Illustration 1	g01272318

1. Disconnect hose assemblies (1) from both sides of the machine.
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   Illustration 2	g01272319

2. Install mounting pin assemblies (3) for the boom and install a suitable lifting device to pin assemblies (3). The weight of grapple arch (2) is approximately 658 kg (1450 lb).
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   Illustration 3	g01272320

3. Position suitable blocking under arch cylinder (4), as shown.
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   Illustration 4	g01272322

4. Remove bolt (6) and pin assembly (5) and disconnect arch cylinder (4).

5. Repeat Steps 3 and 4 for the other arch cylinder.
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   Illustration 5	g01272324

6. Lower grapple arch (2) and attach another suitable lifting device to grapple arch (2), as shown.
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   Illustration 6	g01272364

7. Remove bolt (7) and pin assembly (8). Repeat this Step for the other side of the machine.

8. Remove grapple arch (2).
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   Illustration 7	g01272365

9. Remove bearings (9) from both sides.