C15 and C18 Industrial Engines Caterpillar

Removal Procedure

Start By:

1. Remove the valve mechanism cover.

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Illustration 1	g02107637
This is a view from the rear of the engine.

1. Disconnect tube assembly (1).
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   Illustration 2	g02107897
   View from the front of the engine

2. Remove tube assembly (4).

3. Remove cable straps (3). Disconnect harness assemblies (2) and (5) and position the harness assembly out of the way.

4. Disconnect three harness assemblies (6) and remove support bracket (7).

5. Disconnect hose assembly (8) and remove tube assembly (9).
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   Illustration 3	g02108777

6. Remove fifteen bolts (10).

7. Disconnect six harness assemblies (11) and disconnect harness assembly (14).

8. Disconnect three harness assemblies (13) and disconnect six harness assemblies (12).

9. Remove the valve mechanism cover base.
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   Illustration 4	g02108875

10. Remove bolts (15) and remove harness assembly (16).

11. Remove seal (17) from valve mechanism cover base (18).

Installation Procedure

Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.

1. Install the valve mechanism cover base (18) in the reverse order.
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   Illustration 5	g01866736
   Tightening sequence

   1. Tighten bolts (10) to a torque of 25 ± 6 N·m (18 ± 4 lb ft) in the numerical sequence that is shown in Illustration 5.