TM 9-2815-210-34-2-2
FRAME 19
1.
Machine any intake valve seat counterbores (1) tagged for machining to a
diameter of 2.0680 to 2.0690 inches.
2.
Machine any exhaust valve seat counterbores (2) tagged for machining to a
diameter of 1.8180 to 1.8190 inches.
IF CYLINDER HEAD (3) WAS RESURFACED, GO TO FRAME 20.
IF CYLINDER HEAD (3) WAS NOT RESURFACED, GO TO FRAME 21
4-230