PLATE AS 4370360 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9U-6396 Inlet Valve Seat Extractor 1
9U-6397 Exhaust Valve Seat Extractor 1
9S-3095 Puller Handle 1 Start By:
Remove the inlet valves and the 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 g00545912
Illustration 2 g00632297
Use Tooling (A) with appropriate extractor (2) and channel (3) in order to remove valve seat inserts (1).
Remove valve seat inserts (1) from the cylinder head.
Repeat the procedure for the remaining valve seat inserts. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 9U-6183 Valve Seat Driver 1
9U-6184 Valve Seat Driver 1
9U-6185 Valve Seat Driver 1
157-3716 Valve Seat Driver(1) 1
157-3717 Valve Seat Driver(1) 1
(1) This tool is used for valve guides and valve seats that are not finished.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g00803886
Use the appropriate parts of Tooling (A) in order to install the valve seat insert into the cylinder head assembly.
Repeat the procedure for the remaining valve seat inserts. Note: Refer to the Specifications Module for more information on the valve seat inserts.End By:
Install the inlet valves and the exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust Valves - Remove and Install".