TM 5-3805-248-23-2
VALVES AND SPRINGS MAINTENANCE - CONTINUED
0263 00
REPAIR - CONTINUED
14.
Resurface intake valve face and exhaust face angles,
FACE
as necessary. Maintain valve face margin and angles,
as shown. A minimum margin must be maintained of
0.099 in. (2.51 mm) for intake valves and 0.080 in.
(2.03 mm) for exhaust valves.
HEAD
15.
Resurface intake valve seat (6) and exhaust valve seat
STEM
(7) angles, as necessary. Maintain intake valve seat (6)
and exhaust valve seat (7) angles as shown.
MARGIN
16.
Use Prussian blue to apply bluing to valve face.
INCORRECT
INCORRECT
MARGIN
CORRECT
30.25 .5
6
6
INTAKE
29.25 .25
45.25 .5
7
7
EXHAUST
40.25 .25
394-617
0263 00-5