525D, 535D, 545D and 555D Wheel Skidders Machine Systems Caterpillar

Removal Procedure

Start By:

1. Connect the steering frame lock.

2. Release the system pressure.

3. Tilt the cab (partial tilt).

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Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.

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Illustration 1	g06237709

1. Remove bolts (1) and the clips.

2. Remove tube assemblies (2).
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   Illustration 2	g06237752

3. Remove adapters (3), (4), and (5).

4. Lower the cab.
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   Illustration 3	g06237758

5. Remove three bolts (7) and brake control valve (service) (6).

Installation Procedure

1. Install brake control valve (service) (6) in the reverse order of removal.