GEAR-WORM 6G6241 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 4C-6366 Valve Guide Driver 1 Start By:
Remove the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust Valves - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g02167333
Use Tooling (A) to remove valve guides (1) from the cylinder head assembly.Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 4C-6366 Valve Guide Driver 1
B 476-2132 Guide Collar 1
C - Straight Edge 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g02166659
This photo is showing a cutaway view of the cylinder head and the Tooling.
Illustration 3 g02166757
Apply clean engine oil to both the outside and the inside diameter of the valve guide. Position the valve guides into the cylinder head. Tap on the top of the valve guides. This action is done to start the inlet valve guides and exhaust valve guides into the cylinder head assembly.
Use Tooling (A) and Tooling (B) to install the valve guides. Position a straight edge across the valve cover base sealing surface. Take a measurement from the top of the valve guide to the bottom of the straight edge. The measurement will be called Distance (C). Distance (C) should be 48.9 0.5 mm (1.93 0.02 inch).End By:
Install the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust Valves - Remove and Install".