C7.1 Industrial Engines Caterpillar

Removal Procedure

1. Turn the battery disconnect switch to the OFF position.
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   Illustration 1	g03389877
   Typical example

2. Use a suitable tool to remove temperature sensor (6) from the Clean Emissions Module (CEM).

3. Remove bolt (4) and the washer from the harness assembly clip (5).

4. Disconnect harness assembly (9) from harness assembly (10).

5. Cut cable straps (11) from harness assembly (10).

   Note: Ensure that all cable straps are removed for the harness assembly.

6. Remove bolts (1) and spacers (2) from bracket (3).

7. Remove bolts (8) and spacers (7) from bracket (3).

8. Remove bracket (3) from the CEM bracket.

9. Remove bolts (13) and spacers (14) (not shown) from bracket (12).
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   Illustration 2	g03389883

10. Use a suitable tool to remove temperature sensor (17) from the CEM.

11. Remove bolts (16) and spacers (15) from bracket (12).

12. Remove bracket (12) from bracket (18) for the CEM.
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    Illustration 3	g03389963

13. Make temporary marks on harness assembly (10) for installation purposes.

14. Make temporary mark on clip (5) for installation purposes. Remove clip (5) from harness assembly (10).

15. Cut cable straps (19) that secure harness assembly (10) to bracket (12).

    Note: Ensure that all cable straps are removed for the harness assembly.

16. Remove harness assembly (10) from bracket (12).

Installation Procedure

1. Ensure that all components of the temperature sensor are clean and free from wear and damage. If any component of the temperature sensor is worn or damaged, the assembly of the temperature sensor must be replaced.
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   Illustration 4	g03389963

2. Position harness assembly (10) onto bracket (12). Ensure that harness assembly is correctly orientated onto the bracket.

3. Install new cable straps (19) that secure harness assembly (10) to bracket (12).

   Note: Ensure that the cable straps meet the Original Equipment Manufacturer (OEM) specification.

4. Install clip (5) from harness assembly (10). Ensure that the clip is correctly orientated.
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   Illustration 5	g03389883

5. Position bracket (12) onto bracket (18) for the CEM.

6. Install bolts (16) and spacers (15) from bracket (12) finger tight.

7. Apply Tooling (A) to the threads of temperature sensor (17).

8. Use a suitable tool to install temperature sensor (17) to the CEM. Tighten the temperature sensor to a torque of 45 N·m (33 lb ft). Ensure that the temperature sensor does not come into contact with any part on the CEM.
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   Illustration 6	g03470560

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   Illustration 7	g03389877

9. Install bolts (13) and spacers (14) (not shown) to bracket (12) finger tight.

10. Tighten bolts (13) and bolts (16) to a torque of 12 N·m (106 lb in).

11. Apply Tooling (A) to the threads of temperature sensor (6). Use a suitable tool to install temperature sensor (6) to the CEM.

12. Install bolt (4) and the washer to the harness assembly clip (5) hand tight. Ensure that the clip is correctly positioned.

13. Tighten the temperature sensor to a torque of 45 N·m (33 lb ft). Ensure that the temperature sensor does not come into contact with any part on the CEM.

14. Tighten bolts (4) to a torque of 12 N·m (106 lb in).

15. Position bracket (3) onto the CEM bracket.

16. Install bolts (1) and spacers (2) to bracket (3). Tighten the bolts to a torque of 12 N·m (106 lb in).

17. Position harness assembly (10) onto bracket (3).

18. Install new cable straps (11) to harness assembly (10).

    Note: Ensure that cable straps meet the OEM specification.

19. Connect harness assembly (9) to harness assembly (10).

20. Turn the battery disconnect switch to the ON position.