550, 570 and 580 Wheel Harvesters Caterpillar

Removal Procedure

Start By:

1. Prepare the machine for disassembly. Refer to Disassembly and Assembly, "Preparation for Disassembly" for this machine.
2. Remove the harvester head. Refer to Disassembly and Assembly, "Harvester Head - Remove".

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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.

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Illustration 1	g00602251

1. Position the boom and the stick. Refer to Illustration 1.

2. Support the end of the stick with cribbing. Support the boom with Tooling (A) .

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Illustration 2	g00602478

3. Attach a suitable strap to the end of the stick. Attach the opposite end of the strap to pivot pin (1) . The strap will keep the extendible stick in place during removal.

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Illustration 3	g00602661

4. Remove bolts (2) and cover (3) .

5. Disconnect the harness assembly at light (4) .

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Illustration 4	g00602674

6. Disconnect wiring harness (5) from junction block (6) .

7. Remove wiring harness (5) from the stick.

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Illustration 5	g00602771

8. Disconnect hydraulic hose assembly (7) from the paint tank.

9. Disconnect five hydraulic hose assemblies (8) from the stick.

10. Remove retaining strap (9) from the stick. Remove the bolt from retainer (10) . Remove the hose bundle from the retainer.

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Illustration 6	g00602811

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Illustration 7	g00602822

11. Remove bolts (11) and cover (12) from the stick. Disconnect hydraulic hose assemblies (13) .

12. Replace cover (12) and bolts (11) . The cover will protect the hose connections on the cylinder.

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Illustration 8	g00602982

13. Remove two bolts (14) from clamp (15) . Remove the top of clamp (15) . Remove extendible cylinder hose (16) from the stick.

14. Repeat Step 13 for hose (18) .

15. Remove two bolts from cover (17) over the headlights. Remove cover (17) .

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Illustration 9	g00603005

16. Remove the bolt and the nut that attaches light (19) to the machine. Remove light (19) .

17. Two harness assemblies are connected to the wiring harness for the lighting. Disconnect the two electrical connectors.

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Illustration 10	g00603024

18. Remove the wedge from connector (20) . Remove the two input wires from connector (20) .

19. Remove the wedge from connector (21) . Remove the two input wires from connector (21) .

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Illustration 11	g00603034

20. Remove hose clamp (22) and hose (23) . Remove the wiring harness from the stick.

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Illustration 12	g00603054

21. Support the stick with a suitable lifting device.

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Illustration 13	g00603079

22. Loosen three set screws on nut (24) . Remove nut (24) .

23. Use Tooling (B) to remove pivot pin (25) .

24. Loosen three set screws on nut (26) . Remove nut (26) . Remove pivot pin (27) .

25. Use Tooling (B) to remove pivot pin (27) .

26. Remove the stick from the machine. The weight of the stick is approximately 680.4 kg (1500 lb).