ROLLER ASSEM. 9S8304 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     5P-7414     Seal Pick     1    
B (1)     9U-6890     Seal Installer     1    
C (1)     9U-7216     Valve Seal Pin     1    
( 1 ) Part of the 9U-7226 Seal Installer Start By:
Remove the inlet and exhaust valve springs. Refer to Disassembly and Assembly, "Inlet and Exhaust Valve Springs - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: The valve seals can be replaced with the cylinder head on the engine or off the engine. The valves do not need to be installed in the cylinder head in order to install the valve seals.
Illustration 1 g00516322
Use Tooling (A) to remove valve seals (2) from valves (1) and valve guides (3) .Installation Procedure
Table 2
Required Tools    
Tool    Part Number    Part Description    Qty    
A     5P-7414     Seal Pick     1    
B (1)     9U-6890     Seal Installer     1    
C (1)     9U-7216     Valve Seal Pin     1    
( 1 ) Part of the 9U-7226 Seal Installer
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g00516322
Illustration 3 g00516323
Note: Follow Steps 1 and 2 in order to install the valve seals with the valves in the cylinder head.
Apply a thin coat of clean engine oil on the valve stems. Position valve seals (2) on valves (1) .
Use Tooling (B) to press valve seals (2) onto valve guides (3) .Note: Follow Steps 3 through 7 in order to install the valve seals when the valves are removed from the cylinder head. Use Tooling (C) instead of the valve stem to correctly position the new valve seal.
Position valve seal (2) on Tooling (B) .
Insert Tooling (C) through Tooling (B) and the new valve seal.
Position Tooling (C) in the valve guide bore.
Use Tooling (B) to push valve seal (2) in position on valve guide (3) .
Remove Tooling (B) and Tooling (C) from valve guide (3) .
Repeat Steps 3 through 7 in order to install the remaining valve seals.End By: Install the inlet and exhaust valve springs. Refer to Disassembly and Assembly, "Inlet and Exhaust Valve Spring - Remove and Install".