SEAL 1M1077 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5S-1330 Valve Spring Compressor 1 Start By:
Remove the cylinder head assembly. Refer to Disassembly and Assembly, "Cylinder Head - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: For information on the reusability of the inlet valves, the exhaust valves and the springs, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8002, "Valves, Valve Springs, Valve Rotators, and Locks", Guideline For Reusable Parts And Salvage Operations, SEBF8034, "Valve and Valve Spring Specifications", and Guideline For Reusable Parts And Salvage Operations, SEBF8162, "Specifications to Measure and Salvage Cylinder Head Assemblies and Related Components".
Illustration 1 g01011225Note: The following components of the exhaust valves are different from the components of the inlet valves: spring retainer (2), valve spring (3) and valve (5).
Illustration 2 g01011269
Use Tooling (A) to compress valve spring (3). Remove retainer lock (1).
Remove Tooling (A).
Remove spring retainer (2). Remove valve spring (3).
Remove valve seal (4) and valve (5).
Repeat Steps 1 through 4 in order to remove the remaining inlet valves and exhaust valves. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 5S-1330 Valve Spring Compressor 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: For information on the reusability of the inlet valves, the exhaust valves and the springs, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8002, "Valves, Valve Springs, Valve Rotators, and Locks", Guideline For Reusable Parts And Salvage Operations, SEBF8034, "Valve and Valve Spring Specifications", and Guideline For Reusable Parts And Salvage Operations, SEBF8162, "Specifications to Measure and Salvage Cylinder Head Assemblies and Related Components".
Illustration 3 g01011225
Lubricate valve (5) with clean engine oil. Install valve (5) in the cylinder head assembly. Install new valve seal (4) against the valve guide.
Place the following items on the valve stem: valve spring (3) and spring retainer (2).
The valve keepers can be thrown from the valve when the valve spring compressor is released. Ensure that the valve keepers are properly installed on the valve stem. To help prevent personal injury, keep away from the front of the valve keepers and valve springs during the installation of the valves.
Note: A small amount of grease can be used to hold retainer locks (1) in position during installation.
Illustration 4 g01011269
Use Tooling (A) to compress valve spring (3). Install retainer lock (1).
Repeat Steps 1 through 3 in order to install the remaining inlet valves and exhaust valves. End By:
Install the cylinder head assembly. Refer to Disassembly and Assembly, "Cylinder Head - Install".