993K Wheel Loader C32 Engine Supplement Caterpillar

Removal Procedure

Start By:

1. Remove the turbocharger.

Note: Steps 1 through 7 are for the removal of the exhaust cooler on the right side of the machine.

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Illustration 1	g03040577

1. Remove heat shields (1).
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   Illustration 2	g03040616

2. Remove clamp (2) and discard. Remove tube assembly (3).
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   Illustration 3	g03040620

3. Remove heat shields (7). Disconnect heat sensors (8). Remove baffle (6). Loosen V-clamp (5). Remove clamp (4).
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   Illustration 4	g03040656

4. Loosen V-clamps (9) and remove bellows (11). Discard V-clamps (9) and bellows (11).

5. Remove tube assembly (10).

6. Attach a suitable lifting device to exhaust cooler (12). The weight of exhaust cooler (12) is approximately 23 kg (50 lb).
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   Illustration 5	g03040716

7. Disconnect tube assemblies (14). Remove bolt (15) and disconnect elbow (16) from exhaust cooler (12). Move the tube assembly out of the way. Remove remaining bolts (13) and use the suitable lifting device to remove exhaust cooler (12).

   Note: Steps 8 through 17 are for the removal of the exhaust cooler on the left side of the machine.

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   Illustration 6	g03040836

8. Remove heat shields (17).
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   Illustration 7	g03040856

9. Loosen clamp (18) to remove tube assembly (19). Discard clamp (18).
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   Illustration 8	g03040858

10. Remove tube assembly (20). Remove heat sensors (21). Remove heat shields (22).
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    Illustration 9	g03040859

11. Remove clamp (23). Loosen V-clamp (24). Disconnect tube assembly (25).
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    Illustration 10	g03040860

12. Loosen V-clamps (27). Remove bellows (28). Discard V-clamps (27) and bellows (28).

13. Attach a suitable lifting device to exhaust cooler (26). The weight of exhaust cooler (26) is approximately 23 kg (50 lb).
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    Illustration 11	g03040861

14. Use Tooling (A) and suitable cribbing to lower crankcase guard (29). The weight of crankcase guard (29) is approximately 79 kg (175 lb). Remove the bolts and crankcase guard (29).
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    Illustration 12	g03041317
    Looking up from the bottom of the machine.

15. Disconnect elbow (31) from exhaust cooler (26). Remove bolts (30) and the clips.
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    Illustration 13	g03041336
    Looking up from the bottom of the machine.

16. Remove clip (33) and disconnect tube assembly (32) from exhaust cooler (26).
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    Illustration 14	g03041377

17. Remove bolts (34). Use the suitable lifting device to remove exhaust cooler (26).

Installation Procedure

1. Install exhaust cooler (26) and exhaust cooler (12) in the reverse order of removal.

   1. Install new bellows (28) with the flow arrows pointing towards exhaust cooler (26). Install and tighten new V-clamps (27) to a torque of 8.5 ± 1.0 N·m (75.23 ± 8.85 lb in).

   2. Install and tighten new V-clamps (24) and (5) to a torque of 8.5 ± 1.0 N·m (75.23 ± 8.85 lb in).

   3. Install new bellows (11) with the flow arrows pointing towards exhaust cooler (12). Install and tighten new V-clamps (9) to a torque of 8.5 ± 1.0 N·m (75.23 ± 8.85 lb in).

   4. Tighten heat sensors (8) and (21) to a torque of 45 ± 5 N·m (33 ± 4 lb ft).

   5. Install new clamps (18) and (2). Tighten clamps (18) and (2) with a maximum wrench speed of 75 RPM to a torque of 55 ± 8 N·m (41 ± 6 lb ft).