PULLER A. 1P2320 - Caterpillar

Assembly Procedure
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
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. If necessary, replace any components that are worn or damaged.
Illustration 1 g01476312
Typical example
Illustration 2 g01270008
If necessary, install nuts (9) and adjusters (10) to rocker arm assemblies (3) and (4). If the original adjusters are reused, ensure that the adjusters are installed in the original positions.
Install retaining clip (7) and spring (8) to the front end of rocker shaft (5).
Lubricate the bores of rocker arm assemblies (3) and (4) and rocker shaft (5) with clean engine oil.
Place the rocker shaft in the inverted position with the counterbores for the holes downward. Install rocker arm assembly (3) for number 1 cylinder inlet valves to the rocker shaft. Install rocker arm assembly (4) for number 1 cylinder exhaust valves to rocker shaft (5). Note: The rocker arms for the inlet valves are longer than the rocker arms for the exhaust valves. Install rocker arms in the inverted position. Used components should be installed in the original location.
Ensure that dowel (2) is correctly seated in pedestal (1). Align the dowel with the appropriate hole in rocker shaft (5). Install the pedestal to the rocker shaft.
Install spring (6) to rocker shaft (5).
Repeat Step 5 through Step 7 in order to assemble the remaining components to rocker shaft (5). End By:
Install the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install".