TM 5-4320-302-14
6-9. VALVES, VALVE GUIDES, AND VALVE SEATS (CONT)
Location/Item
Action
Remarks
REMOVAL
CAUTION
Do not damage cylinder head.
5.
Valve seat
Insert valve seat ring mandrel No. 122450 into
insert rings
cylinder head. Clamp down valve seat ring
mandrel and cylinder head into milling lathe
and bore out valve seat ring inserts. Take care
not to bore into cylinder head counterbore.
6-53
