ARMY TM 9-2805-258-14
AIR FORCE TO 38G2-89-21
NAVY NAVFAC P-8-614-14E
This task covers:
b . R e m o v al
General Mechanics Tool Kit (Item 1, Appendix B)
Mechanical Tach and Dwell (NSN 4910-00-788-8549)
Gasket, Governor Mounting (NSN 5330-00-073-3053)
Top cover removed (para. 4-21).
Governor/carburetor control removed for governor
removal (para. 4-41).
Governor control rod removed for governor removal
a . A d j u s t m e nt. (figure 4-39)
4 - 84
Loosen lock nut (1) and turn minimum speed screw (2) four turns counterclockwise.
Start engine (para. 2-9) and allow to warm up for 15 minutes.
Place governor control (3) in fully governed position.
Apply end item load (refer to end item manual).
Adjust minimum speed screw (2) to obtain engine speed of 3600 r.p.m. and tighten lock nut (1).
Remove end item load (refer to end item manual) and recheck engine speed. If engine speed exceeds
3708 r.p.m., perform steps (7) and (8).
Loosen lock nut (4) and turn no-load adjustment nut (5) clockwise to lower the no-load speed.
Tighten lock nut (4) when engine speed of 3708 r.p.m. is obtained.
Perform steps 4 through 6 again as needed.
Stop engine (para. 2-10).