C1.5 and C2.2 Generator Set Engines Caterpillar

Installation Procedure

1. Ensure that all components are clean and free from wear or damage. Refer to Specifications, "Rocker Shaft" for more information. Replace any components that are worn or damaged.

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Illustration 1	g01317309
Typical example

2. Apply Tooling (A) to the new gasket. Install a new gasket (7) to the base of rocker shaft assembly (3) .

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Illustration 2	g01316901
Typical example

3. Apply clean engine lubricating oil to both ends of pushrods (6) . Install the pushrods to the engine with the cup upward. Ensure that the pushrods are installed correctly in the socket of the valve lifters.

   Note: If the pushrods have been used, ensure that the pushrods are installed in original positions.

4. Lubricate the top of the valve stems with clean engine oil. Install caps (5) to the valve stems.

   Note: If the caps have been used, ensure that the caps are installed in original positions.

5. Install rocker shaft assembly (3) to the cylinder head.

   Note: Ensure that the ends of adjustment screws (4) are correctly seated in ends of pushrods (6) .

6. Install nuts (2) . Use a deep socket to evenly tighten the nuts. Begin at the center of the rocker shaft and work outward. Tighten nuts (2) to a torque of 33 N·m (24 lb ft).

7. Install bolts (1) and tighten to a torque of 10 N·m (88 lb in).

8. Adjust the valve lash. Refer to Systems Operation, Testing and Adjusting, "Engine Valve Lash - Inspect/Adjust" for the correct procedure.

9. Tighten the locknut on adjusting screws (4) to a torque of 14 N·m (10 lb ft).

End By:

1. Install the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".
2. Install the engine oil line. Refer to Disassembly and Assembly, "Engine Oil Line- Remove and Install".