559D and 579D Knuckleboom Loader Machine Systems Caterpillar

Removal Procedure

Start By:

1. Remove the engine enclosure.

2. Remove the clean emissions module.

1. Drain the hydraulic oil. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" for the correct draining and filling procedures.
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   Illustration 1	g06289528

2. Remove bolt (2) and position the clamp out of the way.

3. Disconnect hose assembly (1) and tube assembly (3).
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   Illustration 2	g06289532

4. Disconnect hose assembly (4).

5. Remove nut (5) and position the hose assemblies out of the way.
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   Illustration 3	g06289536

6. Remove nut (6) and position hose assemblies (7) out of the way.
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   Illustration 4	g06289546

7. Cut the cable straps and position sleeve (8) out of the way.

8. Loosen clamp (9).
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   Illustration 5	g06289586

9. Remove nut (10) and position the hose assemblies out of the way.
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   Illustration 6	g06289595

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   Illustration 7	g06289599

10. Attach a suitable lifting device to hydraulic tank (11). The weight of hydraulic tank (11) is approximately 404 kg (890 lb).

11. Remove eight mounting bolts (12) and hydraulic tank (11).

12. Place hydraulic tank (11) onto suitable cribbing.
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    Illustration 8	g06289623

13. Disconnect harness assembly (14).

14. Remove bolts (13), bolts (15), and position harness assembly (14) out of the way.
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    Illustration 9	g06289629

15. Remove five bolts (17) and plate assembly (16).
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    Illustration 10	g06289634

16. Remove bolts (19), bolts (20), and filter assembly (18).

Installation Procedure

1. Install the hydraulic tank in the reverse order of removal.