HARNESS AS 1586652 - Caterpillar

Removal Procedure
Start By:
Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00635152
Typical example
Note: It is not necessary to remove the oil supply tube in order to remove the rocker shaft assembly and the pushrods.
Remove nuts (1) and bolt (2) from the rocker shaft assembly. Begin with the end brackets and move toward the center.
Remove rocker shaft assembly (3).
Remove the oil seal from the oil supply passage in the cylinder head.
Illustration 2 g00635153
Typical example
Remove pushrods (4). Place an identification mark on the pushrods for installation.