PUMP GP-HYDRAULIC VANE 3G7640 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     157-3722     Exhaust Valve Guide Driver     1    
4C-6366 Intake Valve Guide Driver     1    Start By:
Remove the inlet and exhaust valves.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01109470
Remove valve stem seal (1) from valve guide (2) .
Use Tooling (A) to remove valve guide (2) from the cylinder head assembly.Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     157-3722     Exhaust Valve Guide Driver     1    
4C-6366 Intake Valve Guide Driver        
B     393-0369     Exhaust Valve Guide Stop Collar     1    
459-1076 Intake Valve Guide Stop Collar     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01109502
Lubricate the bore for the valve guide with clean engine oil.
Position valve guide (2) in the cylinder head. Tap on the top of the valve guide in order to start the valve guide into the cylinder head assembly.
Use Tooling (A) and Tooling (B) to install the valve guide. Install the valve guide until the protrusion is 12.0 0.5 mm (0.47 0.02 inch) above the cylinder head assembly.
Install valve stem seal (1) on valve guide (2) .End By: Install the inlet and exhaust valves.