KIT-SEAT CUSHION 4574260 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     333-0758     Valve Spring Compressor     1    Start By:
Remove the cylinder head.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01206603
Illustration 2 g01207146
Install Tooling (A) into the hole for the electronic unit injector. Refer to Illustration 2.
Illustration 3 g01851274
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.
Install the plate of Tooling (A) onto the valve springs. Refer to Illustration 3. Install the nut onto the stud. Tighten the nut in order to compress valve springs (2). Remove retainer locks (1) .
Illustration 4 g01298551
Remove Tooling (A). Remove rotocoil (3), outer spring (4), and inner spring (5). Remove valve seal (6) .
Repeat Steps 1 through 3 for the remaining valve seals.Installation Procedure
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install a new valve seal (6) in the reverse order of removal.