PISTON & ROD GP 3111101 - Caterpillar

Disassembly Procedure
Start By:
Remove the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.
Make an identification mark on each rocker arm assembly in order to show the location. Note: The components must be reinstalled in the original location. Do not interchange components.
Illustration 1 g03793545
Remove grub screw (1) from the assembly of rocker shaft bracket (6).
Remove rocker shaft (5) from rocker shaft bracket (6). Remove the rocker shaft in order to allow each cylinder inlet valve rocker arm assembly (2), spring (3), and exhaust rocker arm assembly (4) separately.
Remove the inlet valve rocker arm assembly (2) from rocker shaft bracket (6).
Remove spring (3) from rocker shaft bracket (6).
Remove the exhaust rocker arm assembly (4) from rocker shaft bracket (6).
Repeat Step 3 through Step 6 to remove remaining inlet valve rocker arm assembly (2), spring (3), and exhaust rocker arm assembly (2) from rocker shaft bracket (6).