ARMY TM 9-2805-262-14
AIR FORCE TO 38G2-90-1
NAVY NAVFAC P-8-613-14E
This task covers:
General Mechanics Tool Kit (Item 1, Appendix B)
Governor control rod adjusted (para. 4-18).
Test Set, Tachometer and Dwell
(NSN 4910-00-788-8549) (Item 2, Appendix B)
Adjustment. (figure 4-13)
Start engine (para. 2-9), and apply end item load.
Loosen speed adjusting screw lock nut (1).
Turn adjusting screw (2) clockwise to increase, or counterclockwise to decrease engine speed, and set
speed to 3600 r.p.m.
Tighten locknut (1) while holding screw (2) to keep it from turning and recheck engine speed.
Loosen inner droop adjusting screw locknut (3).
Turn outer locknut (4) counterclockwise until engine surges. Then turn locknut (4) clockwise until
Recheck engine speed, and perform steps 2 through 6 if engine speed is incorrect.
Tighten inner droop adjusting screw locknut (3).
Remove end item load and stop engine (para. 2-10).