HARNESS AS-STEERING 4557844 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     9U-6195     Valve Spring Compressor     1    Start By:
Remove the rocker shaft. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Before you begin the removal of the valve springs, refer to Specifications, "Cylinder Head Valves" and Testing and Adjusting, "Cylinder Head - Inspect" for appropriate information on the valve springs.
Do not turn the crankshaft while the valve springs are removed.
Ensure that the piston is at the top center position.
Illustration 1 g00825744
Personal injury can result from parts and/or covers under spring pressure.Spring force will be released when covers are removed.Be prepared to hold spring loaded covers as the bolts are loosened.
Use Tooling (A) to compress valve springs (1) . Remove valve keepers (2) .
Ensure that the valve spring is compressed squarely or damage to the valve stem may occur.
Release the pressure on Tooling (A) . Remove valve spring retainer (3) and valve springs (1) from the cylinder head.
Do not turn the crankshaft while the valve springs are removed.
Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     9U-6195     Valve Spring Compressor     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g00825744
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.
Place new valve springs (1) into position on the cylinder head.Note: Ensure that the closed damper coils are toward the cylinder head if double valve springs are used.
Install valve spring retainer (3) .
Use Tooling (A) to compress valve springs (1) .
Ensure that the valve spring is compressed squarely or damage to the valve stem may occur.
Install valve keepers (2) in order to lock the valve springs in position.
Release the pressure slowly on Tooling (A) . Remove Tooling (A) . Strike the top of the valves with a soft faced hammer in order to ensure that the valve keepers are properly installed.End By: Install the rocker shaft. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install".