C9.3 Engines for Caterpillar Built Machines Caterpillar


Diesel Exhaust Fluid Module - Assemble

Usage:

D6T 2B3

Assembly Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
Distilled Water 
De-ionized Water
Diesel Exhaust Fluid (DEF)


    Illustration 1g06003622

    Note: DEF pump coolant connectors (46) and DEF pump connectors (47) must be installed in the original location when removed. DEF pump coolant connectors (46) and DEF pump connectors (47) are not interchangeable.

  1. Install the O-ring seals (not shown) .Install DEF pump coolant connectors (46) and DEF pump connectors (47).

  2. Tighten DEF pump coolant connectors (46) to a torque of 5.5 ± 0.5 N·m (48 ± 4 lb in).

  3. Tighten DEF pump connectors (47) to a torque of 4.5 ± 0.5 N·m (40 ± 4 lb in).


    Illustration 2g03366053

  4. Install harness assembly (44) and cable straps (45).


    Illustration 3g03366046

    Note: Do not use an impact on bolts (41).

  5. Install pump (43) in support assembly (42)

  6. . Install bolts (41). Tighten bolts (41) to a torque of 19 ± 2 N·m (168 ± 18 lb in).


    Illustration 4g03366035

  7. Connect harness assembly (40).


    Illustration 5g03366015

    Note: Do not use an impact on bolts (39).

  8. Install bracket (37), bolts (39), and cable straps (38).


    Illustration 6g03383610

  9. Install filter (36).


    Illustration 7g03383609

  10. Install expansion device (35).


    Illustration 8g03383608

  11. Install cover (34). Tighten cover (34) to a torque of 20 ± 5 N·m (177 ± 44 lb in).


    Illustration 9g03365554

  12. Install electronic control (31).

  13. Install cable straps (32) and connect harness assembly (33).


    Illustration 10g03365547

  14. Install control module (30) and bolts (29). Tighten bolts (29) to a torque of 10 ± 2 N·m (89 ± 18 lb in).


    Illustration 11g03365540

    Note: Do not use an impact on the bolts for relays (28).

  15. Install relays (28).


    Illustration 12g03365528

    Note: Do not use an impact on the bolts for solenoid assembly (27).

  16. Install solenoid assembly (27) and connect harness assembly (26).


    Illustration 13g03365521

  17. Install plug (24) and plug (25) on manifold (22).

  18. Install O-ring seals (23) in cap (21).


    Illustration 14g03365514

    Note: Do not use an impact on bolts (19).

  19. Install manifold (20), bolts (19), cap (17), bolts (18). Tighten bolts (18) to a torque of 6 ± 1 N·m (53 ± 9 lb in)


    Illustration 15g03365493

  20. Install bracket (16) on the tank.

  21. Install bolts (15).


    Illustration 16g03365477

  22. Install pump assembly (14) and bolts (13).


    Illustration 17g03365475

    Note: Do not use an impact on bolt (12).

  23. Install bolt (12). Tighten bolt (12) to a torque of 4 ± 1 N·m (35 ± 9 lb in)


    Illustration 18g03365468

  24. Install bolts (11).


    Illustration 19g03365465

  25. Install the gasket (not shown), manifold (10), plate (9), and bolts (8). Tighten bolts (8) in an alternating sequence to a torque of 5 ± 1 N·m (44 ± 9 lb in). Tighten bolts (8) a second time in an alternating sequence to a torque of 5 ± 1 N·m (44 ± 9 lb in).


    Illustration 20g03365463

  26. Connect harness assembly (7) and install cable straps (6).


    Illustration 21g03365452

    Note: Do not use an impact on the bolts for clips (1) and (5).

  27. Install hoses (3). Apply Tooling (A) to the O-rings (not shown) inside hose assemblies (4). Connect hose assemblies (4) and harness assemblies (2). Install clips (1). Tighten the bolts for clips (1) to a torque of 6 ± 1 N·m (53 ± 9 lb in). Install clips (5).


    Illustration 22g06040545


    Illustration 23g03376333

  28. Install tank (50) in support assembly (51).

  29. Install straps (52) and nuts (53). Tighten nuts (53) to a torque of 8 ± 2 N·m (71 ± 18 lb in). Torque nuts (53) to a final torque of 11 ± 1 N·m (97 ± 9 lb in).

    Note: Only apply torque once to nuts (53) when tightening straps (52). Apply torque to nuts (53) in the W, X, Y, Z sequence shown in Illustration 23.

    Note: Two types of straps are used to support different tank configurations. Only apply torque once to the nuts on both types of straps.



    Illustration 24g06040542

  30. Install bracket (48) and hose assembly (49).

Caterpillar Information System:

C9.3 Engines for Caterpillar Built Machines Diesel Exhaust Fluid Module - Disassemble
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