C280-16 Tier 4 Marine Engine and C280-12 Tier 4 Marine Engine Caterpillar

Removal Procedure

Start By:

1. If necessary, remove the exhaust manifold shields for the wastegates.

1. Drain the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC)- Change" for the correct draining procedure.

2. Drain the auxiliary cooling system coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct draining procedure.
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   Illustration 1	g03811109

3. Release spring latches (3). Remove bolts (1) and remove shield (2).
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   Illustration 2	g03811099

4. Remove bolts (4) and bracket assembly (5).
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   Illustration 3	g03893940
   Prop Configuration

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   Illustration 4	g03811100
   Auxiliary Configuration

5. Remove bolts (6) and bracket assembly (7).
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   Illustration 5	g03811101

6. Release spring latches (10). Remove bolts (8) and remove shield assembly (9).
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   Illustration 6	g03811102

7. Remove bolts (11) and bracket (12).
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   Illustration 7	g03893941
   Prop Configuration

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   Illustration 8	g03811104
   Auxiliary Configuration

8. Remove nuts (13), bolts (15), and shield (14).
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   Illustration 9	g03811107

9. Remove bolts (16) and bracket (17).
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   Illustration 10	g03811098

10. Remove nuts (18), bolts (20), and shield (19).
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    Illustration 11	g03811110

11. Remove bolts (21) and bracket (22).
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    Illustration 12	g03811111

12. Remove nuts (23), bolts (25), and shield (24).
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    Illustration 13	g03811113

13. Remove nuts (26), bolts (27), and shield (28).
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    Illustration 14	g03811114

14. Remove nuts (31), bolts (29), and cover (29).
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15. Remove nuts (32), bolts (33), and shield (34).
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    Illustration 16	g03811118

16. Remove nuts (35), bolts (37), and bracket (36)
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    Illustration 17	g03811120

17. Remove nuts (39), bolts (40), and shield (38).
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    Illustration 18	g03811122

18. Remove bolts (41) and (42). Attach a suitable lifting device to water manifold assembly (43). The weight of water manifold assembly (43) is approximately 75 kg (165 lb). Remove water manifold assembly (43).
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    Illustration 19	g03811124

19. Remove bolt (45) and cover (44). Repeat for each cylinder.
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    Illustration 20	g03811128

20. Remove bolts (46) and bracket (47).
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    Illustration 21	g03811129

21. Remove bolts (48) and bracket (49). Repeat for the remaining brackets.
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    Illustration 22	g03811130

22. Remove bolts (50) and (51) and remove shield assembly (52).
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    Illustration 23	g03811132

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    Illustration 24	g03811134

23. Remove bolts (53) and (56), nuts (54), and remove shield assembly (55).
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    Illustration 25	g03811135

24. Remove bolts (59), nuts (57), and shield (58).
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    Illustration 26	g03811136

25. Remove bolts (60) and shield (61).
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    Illustration 27	g03811137

26. Remove nuts (62) and lifting eye (63).
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    Illustration 28	g03811140

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    Illustration 29	g03811143

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    Illustration 30	g03811144

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    Illustration 31	g03811145

27. Remove bolts (64) and shield (65). Repeat for shields (66), (67), and (68).
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    Illustration 32	g03811147

28. Remove nuts (69) and lifting eye (70).
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    Illustration 33	g03811149

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    Illustration 34	g03811150

29. Remove bolts (72) and shield (71). Repeat for shield (73).
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    Illustration 35	g03811152

30. Remove bolts (75) and shield (74).
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    Illustration 36	g03811154

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    Illustration 37	g03811155

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    Illustration 38	g03811157

31. Loosen clamps (76). Loosen bolts (78) and remove bolts (77). Remove bolts (79) and remove tube assembly (80).
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    Illustration 39	g03811158

32. Remove bolts (81) and shield (82).
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    Illustration 40	g03811159

33. Remove bolts (83) and shield (84).
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    Illustration 41	g03811160

34. Remove exhaust manifold (85). Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".
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    Illustration 42	g03811161

35. Remove bolts (87) and insert assembly (86). Repeat for the remaining insert assemblies.
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    Illustration 43	g03816778

36. Remove bolts (88) and shield (89).

Installation Procedure

Note: Apply Tooling (A) to every fastener prior to installation.

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Illustration 44	g03816778

1. Position shield (89). Install bolts (88).
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   Illustration 45	g03811161

2. Install insert assembly (86) and install bolts (87). Repeat for the remaining insert assemblies.
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   Illustration 46	g03811160

3. Install exhaust manifold (85). Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".
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   Illustration 47	g03811159

4. Position shield (84) and install bolts (83).
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   Illustration 48	g03811158

5. Position shield (82) and install bolts (81).
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   Illustration 49	g03811157

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   Illustration 50	g03811155

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   Illustration 51	g03811154

6. Lubricate the O-ring seal of tube assembly (80). Position tube assembly (80) install bolts (79). Install bolts (77) and tighten bolts (78). Tighten clamps (76).
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   Illustration 52	g03811152

7. Position shield (74) and install bolts (75).
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   Illustration 53	g03811150

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   Illustration 54	g03811149

8. Position shield (71) and install bolts (72). Repeat for shield (73).
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   Illustration 55	g03811147

9. Install lifting eye (70) so the clevis pin hole is in a horizontal plane. Install nuts (69) and tighten to a torque of 2150 ± 250 N·m (1586 ± 184 lb ft).
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   Illustration 56	g03811140

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   Illustration 57	g03811143

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   Illustration 58	g03811144

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   Illustration 59	g03811145

10. Position shield (65) and install bolts (64). Repeat for shields (66), (67), and (68).
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    Illustration 60	g03811137

11. Install lifting eye (63) so the clevis pin hole is in a horizontal plane. Install nuts (62) and tighten to a torque of 2150 ± 250 N·m (1586 ± 184 lb ft).

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Illustration 61	g03811136

1. Position shield (61) and install bolts (60).
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   Illustration 62	g03811135

2. Position shield (58) and install bolts (59) and nuts (57).
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   Illustration 63	g03811132

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   Illustration 64	g03811134

3. Position shield (55). Install nuts (54), bolts (56), and (53).
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   Illustration 65	g03811130

4. Position shield assembly (52). Install bolts (51) and (50).
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   Illustration 66	g03811129

5. Install bracket (49) and bolts (48). Repeat for the remaining brackets.
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   Illustration 67	g03811128

6. Install bracket (47) and bolts (46).
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   Illustration 68	g03811124

7. Install cover (44) and bolt (45). Repeat for the remaining covers.
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   Illustration 69	g03811122

8. Attach a suitable lifting device to water manifold assembly (43). The weight of water manifold assembly (43) is approximately 75 kg (165 lb). Position water manifold assembly (43) and the O-ring seals. Install bolts (42) and (41).
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   Illustration 70	g03811120

9. Position shield (38). Install bolts (40) and nuts (39).
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   Illustration 71	g03811118

10. Position bracket (36). Install nuts (35) and bolts (37).
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    Illustration 72	g03811115

11. Position shield (34) and install bolts (33) and nuts (32).
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    Illustration 73	g03811114

12. Position cover (30). Install nuts (31) and bolts (29).
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    Illustration 74	g03811113

13. Position shield (28). Install nuts (26) and bolts (27).
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    Illustration 75	g03811111

14. Position shield (24). Install nuts (23) and bolts (25).
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    Illustration 76	g03811110

15. Install bracket (22) and bolts (21).
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    Illustration 77	g03811098

16. Position shield (19). Install bolts (20) and nuts (18).
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    Illustration 78	g03811107

17. Install bracket (17) and bolts (16).
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    Illustration 79	g03893941
    Prop Configuration

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    Illustration 80	g03811104
    Auxiliary Configuration

18. Position shield (14). Install nuts (13) and bolts (15).
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    Illustration 81	g03811102

19. Install bracket (12) and bolts (11).
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    Illustration 82	g03811101

20. Position shield assembly (9) and install bolts (8). Connect spring latches (10).
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    Illustration 83	g03893940
    Prop Configuration

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    Illustration 84	g03811100
    Auxiliary Configuration

21. Position bracket assembly (7) and install bolts (6).
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    Illustration 85	g03811099

22. Position bracket assembly (5) and install bolts (4).
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    Illustration 86	g03811109

23. Position shield (2) and install bolts (1). Connect spring latches (3).

1. Fill the coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC)- Change" for the correct filling procedure.

2. Fill the auxiliary cooling system coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct filling procedure.