HOUSING 3G1857 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A(1) 9U-6895 Valve Guide Driver 1
B(1) 9U-6894 Guide Collar 1
C 455-0128 Seal Installer 1
(1) Part of 9U-7530 Engine Tool GroupStart By:
Remove the inlet and exhaust valves.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01073841
Remove valve stem seal (1) from valve guide (2).
Use Tooling (A) and a hammer to remove the valve guide from the cylinder head.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01073842
Lubricate the bores for the valve guides with clean engine oil.
Install valve guide (2) in the cylinder head with Tooling (A) and Tooling (B).Note: Tooling (B) must be used to install the valve guide to the correct height.Height to top of valve guide from cylinder head surface ... 35.00 0.50 mm (1.378 0.020 inch)Note: For more information, refer to Specifications, "Cylinder Head Valves".
Use Tooling (C) to install valve stem seal (1) on the valve guide.End By:
Install the inlet and exhaust valves.