RMY TM 9-2805-257-14
AIR FORCE TO 38G2-103-2
NAVY NAVFAC P-8-612-14E
5-16. Valve Adjustment.
This task covers:
General Mechanics Tool Kit (Item 1, Appendix B)
Rocker cover removed (para. 4-25).
Adjustment procedures are the same for both sets of valves.
Adjustment. (figure 5-15)
Loosen screw (1) and move timing hole cover (2).
Rotate flywheel clockwise until both valves (3) close and stop when ignition mark on flywheel alines with
ignition timing pointer.
Measure valve clearance, correct measurement should be .007 to .009 in. (0.17 to .022 cm).
Loosen lock nut (4) and turn adjuster screw (5) until desired clearance is obtained and tighten lock
Reposition timing hole cover (2) over timing hole and tighten screw (1).