3524B Engine for Caterpillar Built Machines Caterpillar

Disassembly Procedure

Start By:

1. Remove the coupling pump. Refer to Disassembly and Assembly, "Coupling Pump - Remove"
   .

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Illustration 1	g00904858

1. Remove fittings (2) from pump (1).

   Note: Mark all sections of pump (1) for assembly purposes.

2. Remove nuts (3) from pump (1).
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   Illustration 2	g00904860

3. Remove end plate (4) from pump (1).
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   Illustration 3	g00904876

4. Remove O-ring seal (5) from end plate (4).
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   Illustration 4	g00904879

5. Remove body (6) from pump (1).
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   Illustration 5	g00905086

6. Remove O-ring seal (7) from body (6).
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   Illustration 6	g00904881

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   Illustration 7	g00904882

7. Remove body (8) from pump (1).

8. Remove key (9) from shaft (10).
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   Illustration 8	g00904883

9. Remove O-ring seal (11) from body (8).
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   Illustration 9	g00904892

10. Remove body (12) from pump (1).
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    Illustration 10	g00904894

11. Remove O-ring seals (13) and (14) from body (11).
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    Illustration 11	g00904896

12. Remove body (15) from pump (1).

13. Remove key (16) from shaft (10).
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    Illustration 12	g00904897

14. Remove O-ring seal (17) from body (15).
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    Illustration 13	g00904910

15. Remove body (18) from pump (1).
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    Illustration 14	g00904911

16. Remove shaft (10) from body (18).
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    Illustration 15	g00904913

17. Remove O-ring seal (19) from pump (1).
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    Illustration 16	g00904914

18. Remove O-ring seal (20) from pump (1).

Square Flange Seal Removal

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Illustration 17	g06323743

1. Remove mechanical seal (1) and stationary seat from behind the front section of the pump.