TUBE ASSEM. 4N4632 - Caterpillar

Assembly Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01028860
Note: Do not reuse the O-ring seals on the rocker arm adjustment screws if the buttons have been removed from the adjustment screws.
Install the O-ring seals in button (6) and button (4) .
Install the O-ring seals and the buttons on the valve rocker arms, as follows:
Support valve rocker arm (7) in a vise with soft jaws.
Position the O-ring seal and button (6) on the round end of adjustment screw (5) .
Use a soft hammer to seat button (6) on adjustment screw (5) .
Install the O-ring seals and the buttons on the unit injector rocker arms, as follows:
Support unit injector rocker arms (2) in a vise with soft jaws.
Put the O-ring seal and button (4) in position on the end of adjustment screw (1) .
Use a soft hammer to seat button (4) on adjustment screw (1) .
Repeat Steps 1 through 3 for the remainder of the rocker arm assemblies.
Lubricate rocker shaft (3) with clean engine oil and install the assembled rocker arms on rocker shaft (3) .End By: Install the rocker arms and the rocker shaft. Refer to Disassembly and Assembly, "Rocker Arm and Shaft - Install".