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:
Adjustment
INITIAL SETUP
Tools
Equipment Condition
General Mechanic’s Tool Kit (Item 1, Appendix B)
Engine cold.
Rocker cover removed (para. 4-25).
NOTE
Adjustment procedures are the same for both sets of valves.
Adjustment. (figure 5-15)
(1)
(2)
(3)
(4)
(5)
5-34
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
nut (4).
Reposition timing hole cover (2) over timing hole and tighten screw (1).
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