GEAR 6B7758 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.
Illustration 1 g01317309
Typical example
Install a new joint (7) to the base of rocker shaft assembly (3).
Illustration 2 g01316901
Typical example
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.
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.
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).
Install nuts (2). Use a deep socket to tighten the nuts evenly. Begin at the center of the rocker shaft and work outward.For the C1.1 engine, tighten nuts to a torque of 23 N m (204 lb in).For C1.5 and C2.2 engines, tighten nuts to a torque of 33 N m (292 lb in).
Install bolts (1) and tighten to a torque of 10 N m (88 lb in).
Adjust the valve lash. Refer to Systems Operation, Testing and Adjusting, "Engine Valve Lash - Inspect/Adjust" for the correct procedure.End By:
Install the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".
Install the engine oil line. Refer to Disassembly and Assembly, "Engine Oil Line- Remove and Install".