HARNESS AS-WIRING 1543857 - 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.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
The valve spring keepers can be thrown from the valve when the valve spring compressor is released. Ensure that the valve spring keepers are properly installed on the valve stem. To help prevent personal injury, keep away from the front of the valve spring keepers and valve springs during the installation of the valves.
Illustration 1 g01137560
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.
Use Tooling (A) to compress valve springs (3). Remove retainer locks (1).
Remove Tooling (A). Remove spring retainer (2) and valve springs (3).
Remove valve stem seal (4), spring seat washer (5), and valves (6). 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.
Illustration 2 g01137560
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.
Lubricate valves (6) with clean engine oil. Install valves (6) in the cylinder head assembly. Install new valve stem seal (4) against the valve guide.
Install spring seat washer (5), valve springs (3), and spring retainer (2).
The valve spring keepers can be thrown from the valve when the valve spring compressor is released. Ensure that the valve spring keepers are properly installed on the valve stem. To help prevent personal injury, keep away from the front of the valve spring keepers and valve springs during the installation of the valves.
Note: A small amount of grease can be used to hold the valve keepers in position during installation.
Use Tooling (A) to compress valve springs (3). Install retainer locks (1). End By:
Install the cylinder head.