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3524B Engine for Caterpillar Built Machines Caterpillar


Engines - Separate

Usage:

3524B 1AW

Separate

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Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
A  9S-9082  Engine Turning Tool  1 

Note: This procedure shows removing the rear engine away from the front engine.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

Dispose of all fluids according to local regulations and mandates.

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NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.

  1. Drain the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change" or Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change". The capacity of the cooling system is approximately 1192 L (315 US gal).
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    Illustration 1g00909454

  2. Remove bolts (1) in order to remove cover (2).
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    Illustration 2g00909462

  3. Cut cable straps (3).

  4. Disconnect harness assemblies (4).
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    Illustration 3g00909463

  5. Remove bracket (5).
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    Illustration 4g00909464

  6. Remove tube assembly (6).

  7. Disconnect hose assembly (7).
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    Illustration 5g00909465
    This view is of the left side of the rear engine.

  8. Remove tube assembly (8).
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    Illustration 6g00909466
    This view is of the right side of the engine.

  9. Remove tube assembly (9).
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    Illustration 7g00909467

  10. Remove tube assemblies (10).
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    Illustration 8g00909468
    This view is of the right side of the engine.

  11. Remove tube assemblies (11).
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    Illustration 9g00909469
    This view is of the right side of the engine.

  12. Remove tube assembly (12).
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    Illustration 10g00909470
    This view is of the left side of the engine.

  13. Remove tube assemblies (13).
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    Illustration 11g00909471
    This view is of the right side of the rear engine.
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    Illustration 12g00909472
    This view is of the right side of the front engine.

  14. Disconnect hose assembly (14).

  15. Remove bolts (15) in order to remove brackets (17), tube assembly (16), and the gaskets.
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    Illustration 13g00909473
    This view is of the left side of the rear engine.
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    Illustration 14g00909474
    This view is of the left side of the front engine.

  16. Remove tube assembly (18).

  17. Disconnect hose assemblies (19).

  18. Remove bolts (20) in order to remove brackets (21), tube assembly (22), and the gaskets.
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    Illustration 15g00909475
    This view is of the left side of the engine.

  19. Remove bolts (23).
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    Illustration 16g00909476

  20. Remove cable straps (24) and lay harness assembly (25) to the side.

  21. Remove tube assemblies (26).
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    Illustration 17g00909477

  22. Attach a suitable lifting device to plate (27). Remove bolts (28) and lay harness assembly (29) to the side. Remove plate (27). The weight of plate (27) is approximately 100 kg (220 lb).
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    Illustration 18g00909478
    This view is of the right side of the engine.

  23. Remove clamp (30), cover assembly (31), and the gasket.
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    Illustration 19g00909479
    This view is of the left side of the engine.

  24. Remove cover (32) and the gasket.

  25. Remove tube assembly (33).

  26. Disconnect tube assembly (34).

  27. Remove block (35) and the gasket.
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    Illustration 20g00909480
    This view is of the bottom side of the engine.

  28. Disconnect tube assembly (36).

  29. Remove cover (37), the two screens, and the two gaskets.
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    Illustration 21g00909481

  30. Remove covers (38) and the gaskets.
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    Illustration 22g00909482
    This view is of the left side of the rear engine.

  31. Remove bolts (39) in order to remove block (40), adapter (41), and the O-ring seals.
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    Illustration 23g00909483

  32. Remove bolts (42) in order to remove covers (43) and the gaskets from the flywheel housings on both engines. Remove plugs (44) from both engines.
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    Illustration 24g00909484

    Note: Apply lubricant to Tooling (A) in order to prevent damage to the flywheel housing.

  33. Use Tooling (A) in order to rotate the engines until bolts (42) can be installed in both the flywheels. This is done in order to time both the engines.
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    Illustration 25g00909485

  34. Put an identification mark on coupling (45) and one bolt (46).
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    Illustration 26g00909486
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    Illustration 27g00909487

  35. Remove bolts (42) from both the flywheels. Use Tooling (A) in order to rotate the engines for access to bolts (46). Remove bolts (46) except the one bolt (46) that is marked.

  36. Install bolts (42) to both the flywheels. Remove bolt (46) that is marked.

  37. Slide coupling (45) toward the rear engine.
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    Illustration 28g00909488

  38. Remove bolts (47).
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    Illustration 29g00909489

  39. Remove bolts (48) from the four corners of the engine.
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    Illustration 30g00909491

  40. Attach a suitable lifting device to the rear engine.
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    Illustration 31g00909492

  41. Move the rear engine away from the front engine until dowel pins (49) and O-ring seal (50) are away from the front engine.

  42. Remove the rear engine. The weight of the rear engine is approximately 7440 kg (16400 lb).

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