143H and 163H Motor Graders Machine Systems Caterpillar

Removal Procedure

Start By:

1. If equipped, remove the blade accumulators. Refer to Disassembly and Assembly, "Accumulator (Blade Cushion) - Remove and Install".

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Illustration 1	g01013173

1. If equipped, remove plate (1) .

2. Attach a suitable lifting device to blade lift cylinder (2). The weight of blade lift cylinder (2) is approximately 91 kg (200 lb).

3. Remove bolts (3) and caps (4) .

4. Position blade lift cylinder (2) on front frame assembly (5). Secure blade lift cylinder (2) to the front frame assembly (5) .

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Illustration 2	g01013174

5. Attach a suitable lifting device to centershift cylinder (6) .

6. Remove bolts (7) and cap (8) .

7. Use the machine to retract centershift cylinder (6). Lower centershift cylinder (6) to the drawbar (9) .

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Illustration 3	g01013175

8. Attach a suitable lifting device to blade lift arm (10). The weight of blade lift arm is approximately 113 kg (250 lb).

9. Remove bolts (11) and lock (12) .

10. Remove pin (13) .

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Illustration 4	g01013176

11. Remove bolts (14) and lock (15) .

12. Remove pin (16) .

13. Remove blade lift arm (10). The weight of blade lift arm is approximately 113 kg (250 lb).

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Illustration 5	g01013640

14. Remove bolts (17) and retainer (18) .

15. Remove seal (19) and shims (20) .

16. Partially remove yoke (21) from blade lift arm (10).

17. Use two people to remove yoke (21) from arm assembly (10). The weight of yoke (21) is approximately 23 kg (50 lb).

18. Remove washers (23) and seals (22) .

19. Remove bearings (24) .

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Illustration 6	g01013179

20. Remove lip seals (25) .

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Illustration 7	g01013180

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Illustration 8	g01013181

21. Install Tooling (A) and support Tooling (A) with a suitable lifting device. Remove bearings (26) .