REPAIR OR REPLACEMENT - Continued
NOTE
Install valve seat in cylinder head while head is still hot and valve seat is at room
temperature or when valve seat is chilled with liquid nitrogen and cylinder head is
at room temperature.
(5)
Place cylinder head on bench with fire deck up. Place valve seat (Figure 11, Item 70) in
counterbore with tapered face up.
(6)
Using valve seat installing tool (Figure 11, Item 73), drive valve seat in place until it seats solidly
in cylinder head.
(7)
Check valve seats for concentricity in relation to valve guides using valve seat dial gage
(Figure 11, Item 74).
73
70
74
MAINT_257
Figure 11.
Cylinder Valve Seat Installation and Valve Seal Centricity Check.
TM 9-2815-205-24
0083
0083-14