541 Series 2 and 552 Series 2 Track Feller Bunchers Engine Supplement Caterpillar

Removal Procedure

Start By:

1. Remove the reversible fan.
2. Remove the muffler.

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At operating temperature, the engine coolant is hot and under pressure. Steam can cause personal injury. Check the coolant level only after the engine has been stopped and the filler cap is cool enough to touch with the bare hand. Remove the filler cap slowly to relieve pressure. Cooling system conditioner contains alkali. Avoid contact with skin and eyes to prevent personal injury.

Note: Put identification on all lines, hoses, wires, and tubes for installation purposes. Use caps and plugs on all lines, hoses, and tubes.

1. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.

2. Move the battery disconnect switch to the OFF position.

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Illustration 1	g01135322

3. Remove bolts (1). Repostion panel (2) .

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Illustration 2	g01135235

4. Disconnect cable assembly (3) and clips (5) that retain the wire and harness assembly (4). Disconnect any clips for the air conditioner hose assemblies. Disconnect hoses (7) and (9) that are attached to the water pump. Disconnect harness assembly (8). Remove mounting bolts (6) for the compressor. Move the compressor out of the way.

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Illustration 3	g01135350

5. Disconnect heater hose (10) at the valve. Disconnect upper radiator hose (11) at the engine. Disconnect aftercooler hose (12) at the radiator and hydraulic oil cooler.

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Illustration 4	g01135354

6. Disconnect battery cable assemblies (14). Disconnect clip (13) .

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Illustration 5	g01135361

7. Remove bolts (15). Remove bracket (16) .

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Illustration 6	g01135362

8. Disconnect hose assembly (17). Disconnect clip (18). Disconnect harness assembly (19) .

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Illustration 7	g01135365

9. Disconnect clip (23) and (21). Disconnect hose assembly (22). Disconnect hose (20) .

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Illustration 8	g01135368

10. Disconnect clip (24).

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Illustration 9	g01135374

11. Install proper cribbing under the rear of the main hydraulic pump (25), as shown. Remove the mounting bolts (26) for the main hydraulic pump.

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Illustration 10	g01135371

12. Attach a suitable lifting device and Tooling (A) to engine (27) .

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Illustration 11	g01135372

13. Remove engine mounting bolts (28) and remove the engine. The engine must be moved forward approximately 76 mm (3.0 inch) before the engine is lifted from the machine. The engine must be moved forward so that the flywheel housing will clear the drive gear for the main hydraulic pump. The approximate weight of engine (27) is 950 kg (2100 lb).

Installation Procedure

1. Install engine (27) in the reverse order of removal.

   1. Tighten bolts (28) to a torque of 900 ± 100 N·m (665 ± 75 lb ft).