KIT-SEAL 3860606 - 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.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00827968
Loosen adjusting screws (3) in order to release tension off the rocker shaft assembly.
Remove nuts (2) and bolt (1) from each end of rocker shaft assembly (4) .
Remove rocker shaft assembly (4) and the base for the valve mechanism cover from cylinder head (7) .
Inspect rocker shaft assembly (4) for wear or for damage. If the rocker shaft assembly is worn or damaged, use new parts for replacement.
Remove pushrods (6) from the cylinder head. Mark the pushrods or identify the pushrods for installation. Inspect the pushrods for wear or for damage. If the pushrods are damaged, use new parts for replacement.
Remove caps (5) from the top of the valve stems. Inspect the caps for wear or for damage. If the caps are worn or damaged, use new parts for replacement.
Remove O-ring seal (9) from base (8) .