D250E Series II and D300E Series II Articulated Trucks Machine Systems Caterpillar

Disassembly Procedure

Start By:

1. Remove the service brakes. Refer to Disassembly and Assembly, "Service Brakes - Remove". The information is in this manual.

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Illustration 1	g00516018

1. Remove four bolts (3) and four pins (2) from brake caliper (1).
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   Illustration 2	g00516019

2. Remove bolts (4) and plate (5) from the inner side of the brake caliper.
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   Illustration 3	g00516020

3. Remove three plugs (7) and three seals (6) from the inner side of the brake caliper.
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   Illustration 4	g00516021

4. Remove piston (8) from the inner side of the brake caliper. A hammer and brass rod may be needed for the removal.
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   Illustration 5	g00516022

5. Remove boot (9) from the inner side of the brake caliper.
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   Illustration 6	g00516024

6. Remove packing (10) from the bore in the inner side of the brake caliper.

7. Repeat Steps 4, 5 and 6 in order to remove the pistons, boots and packings from the remaining two bores in the inner side of the brake caliper.
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   Illustration 7	g00516025

8. Use Tooling (A) in order to remove piston (11) from the outer side of the brake caliper.
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   Illustration 8	g00516026

9. Remove boot (12) from the outer side of the brake caliper.
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   Illustration 9	g00516281

10. Remove packing (13) from the outer side of the brake caliper.

11. Repeat Steps 8, 9 and 10 in order to remove the pistons, boots and packings from the remaining two bores in the outer side of the brake caliper.