TM 9-2320-363-34-2
CYLINDER HEAD REPAIR (CONT)
40. INSTALL VALVE SEAT INSERT (36) SOLIDLY IN VALVE SEAT IN CYLINDER
HEAD (2).
NOTE
New valve seat inserts are preground. Check for concentricity after installation.
Do not grind new valve seat insert unless concentricity exceeds 0.002 in. (0.05
mm),
41. MAKE SURE VALVE SEAT INSERT ANGLE (38) IS 31 DEGREES.
12-34
