ADAPTER 1957685 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     5S-1330     Valve Spring Compressor     1    
B     8S-2263     Valve Spring Tester     1    Start By:
Remove the cylinder head. Refer to Disassembly and assembly, "Cylinder Head - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00490614
Use Tool (A) to compress valve spring (2) and remove valve keepers (1) .
Remove Tool (A), the rotocoil, the valve spring and the valve stem oil shield. Remove the valve from the cylinder head. Put identification marks on the valves for installation purposes.
Illustration 2 g00490682
Check the valve spring force with Tool (B). Refer to Specifications, "Cylinder Head Valves" for information on the valve springs.
Perform Steps 1 through 3 for the remaining inlet and exhaust valves.Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     5S-1330     Valve Spring Compressor     1    
B     5S-1322     Valve Keeper Inserter     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Lubricate the inlet and exhaust valves with clean engine oil. Install the inlet and exhaust valves in the original location in the cylinder head.
Illustration 3 g00508681
Install valves (3), oil shield (4), valve spring (2) and rotocoil (1) in the cylinder head.
Illustration 4 g00490777
Use Tool (A) to compress valve spring (2). Install valve keeper (5) on the valve stem with Tool (B) .
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.
Carefully remove Tool (A). Strike the top of the valve with a soft faced hammer in order to ensure that the valve keepers are properly installed.
Repeat Steps 3 through 4 for the remaining inlet and exhaust valves.End By: Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove and Install".