IDLER & BEARING AS 8E7342 - 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 g00523738
Use Tool (A) to remove the inlet and exhaust valve guides (1) from the cylinder head.
Repeat Step 1 in order to remove the remaining inlet and exhaust valve guides.Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     4C-6366     Valve Guide Driver     1    
B     4C-6370     Valve Guide Collar     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Put clean engine oil on the outside diameter of the valve guide. Install the valve guide with Tool (A) and Tool (B). The valve guide is driven from the top of the cylinder head.
Illustration 2 g00508601
Typical Example
The counterbore in Tool (B) installs the valve guide to the correct height. Height (X) from the top of the valve guide to the cylinder head must be 14.00 0.10 mm (0.551 0.004 inch). For more information on the inlet and exhaust valve guides, refer to the Specifications Module, "Cylinder Head Valves".Note: In order to help prevent damage to the valve guides, Tool (B) must be used during installation.
Repeat Steps 1 and 2 for the remaining inlet and exhaust valve guides.End By: Install the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust Valves - Remove and Install".