CYLINDER HEAD AS 2674395 - Caterpillar

Installation Procedure
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 g02867022
Illustration 2 g02867180
Apply clean engine oil onto pushrods (7) and valve arm bridges (6). Install pushrods (7) into the cylinder head. Install valve arm bridges (6) onto the valve stems.
Install rocker shaft assembly (5).
Install nuts (4). Begin at the center of the rocker shaft assembly and work toward the ends. Note: To avoid distortion of the rocker shaft assembly, each nut should be tightened by a quarter of a turn at one time. Repeat the procedure until all nuts are tightened.
Tighten nuts (4) to a torque of 52 3 N m (38.4 2.2 lb ft).
Illustration 3 g02867016
If necessary, install electronic unit injectors (3). Refer to Disassembly and Assembly, "Electronic Unit Injector - Install".
Install nozzle clamps (2). Install nuts (1). Tighten nuts (1) to a torque of 25.5 1.5 N m (18.8 1.1 lb ft).
Refer to Specifications, "Rocker shaft and Pushrod" for more information.
Refer to Systems Operation, Testing and Adjusting, "Engine Valve Lash - Inspect/Adjust" for the correct procedure. End By:
Install the valve mechanism cover.