4751055 SEAL-O-RING Caterpillar parts
Rating:
Alternative (cross code) number:
CA4751055
475-1055
4751055
CA4751055
475-1055
4751055
Weight: 0.01 pounds 0 kg.
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Information:
Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     176-5484     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.
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.
Place an index mark on the heads of the inlet valves and the exhaust valves for installation purposes.
Illustration 1 g01025696
Use Tooling (A) to compress valve spring (3) and valve spring (4). Remove valve keepers (1) .
Remove Tooling (A) .
Remove retainer (2) from the valve stem. Remove valve spring (3) and valve spring (4) .
Remove seat (6). Remove exhaust valve (7) .
Remove valve stem seal (5) from the valve guide.Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     176-5484     Valve Spring Compressor     1    
B     9U-7226     Seal Installer Gp     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01025696
Lubricate valve (7) with clean engine oil. Install valve (7) in the cylinder head assembly.
Use Tooling (B) and install new valve stem seal (5) against the valve guide.Note: The valve guide must be clean and dry before installing the valve stem seal.
Install seat (6) on the cylinder head. Install valve spring (3), valve spring (4), and retainer (2) on the valve stem.
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 the valve springs. Install valve keepers (1) .
Carefully release the pressure on Tooling (A) and remove Tooling (A). Strike the top of the valves with a soft hammer in order to ensure that the valve keepers are properly installed.End By: Install the cylinder head assembly. Refer to Disassembly and Assembly, "Cylinder Head - Install".
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     176-5484     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.
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.
Place an index mark on the heads of the inlet valves and the exhaust valves for installation purposes.
Illustration 1 g01025696
Use Tooling (A) to compress valve spring (3) and valve spring (4). Remove valve keepers (1) .
Remove Tooling (A) .
Remove retainer (2) from the valve stem. Remove valve spring (3) and valve spring (4) .
Remove seat (6). Remove exhaust valve (7) .
Remove valve stem seal (5) from the valve guide.Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     176-5484     Valve Spring Compressor     1    
B     9U-7226     Seal Installer Gp     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01025696
Lubricate valve (7) with clean engine oil. Install valve (7) in the cylinder head assembly.
Use Tooling (B) and install new valve stem seal (5) against the valve guide.Note: The valve guide must be clean and dry before installing the valve stem seal.
Install seat (6) on the cylinder head. Install valve spring (3), valve spring (4), and retainer (2) on the valve stem.
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 the valve springs. Install valve keepers (1) .
Carefully release the pressure on Tooling (A) and remove Tooling (A). Strike the top of the valves with a soft hammer in order to ensure that the valve keepers are properly installed.End By: Install the cylinder head assembly. Refer to Disassembly and Assembly, "Cylinder Head - Install".
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