TM 5-3805-280-24-2
Cylinder Head and Valves
REMOVE VALVE SEAT INSERTS
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38
IMPORTANT: Be careful not to damage cylinder head
when removing valve seats. Valve seat
removal should only be done by
experienced personnel familiar with
procedures.
DO NOT use an oxy-acetylene torch to
remove valve seat inserts, as it alters
the hardness of the cylinder head.
Valve seat inserts are made of sintered (powdered) metal.
Remove inserts by one of the following methods:
RG,05,DT7352 1911NOV971/4
RAISING BURR ON VALVE SEAT INSERT
1. Using a carbide deburring tool, (A) raise a burr (B) on
bottom of valve seat insert.
A--Deburring Tool
B--Burr
Continued on next page
RG,05,DT7352 1911NOV972/4
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