ARMY  TM  9-2805-262-14 AIR  FORCE  TO  38G2-90-1 NAVY  NAVFAC  P-8-613-14E 4-21. Governor. This task covers: Adjustment INITIAL  SETUP Tools Equipment   Condition General Mechanic’s 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) (1) (2) (3) (4) (5) (6) (7) (8) (9) 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 surging  stops. 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). 4-30