Remove the lock seal (19), capscrews (20), lockwashers (21), and washers (22), and remove the
spring pack cover (23), and gasket (24). Discard the gasket (e). Remove the adjusting screw nuts
(25), copper washers (26), adjusting screw nuts (27), and setscrews (28).
Remove the throttle lover setscrew (29) from the throttle shaft (30), and pull the throttle shaft from
the spring pack cover.
Remove the bushings (31) only if worn. Check in accordance with step (2)(q), below.
Remove the preformed packings (32) and dust seals (33) from the throttle shaft (30) and discard.
Remove the throttle shaft stop (34).
Pull the throttle plunger (35) and governor spring (37) from the spring pack cover (23). Remove the
snap ring (38), idle spring plunger (41), idling spring (40), plunger seat (39), and shim (36).
Remove the rivets (42) and throttle shaft cover (43).
Remove the retaining ring (44), and withdraw the throttle shaft (45). Discard the retaining ring and
remove and discard the preformed packing (46).
Drilling operations create metal chips that may enter the eyes. Wearing of goggles Is required
to avoid injury to personnel.
Drill into the center of the throttle shaft ball (47) with a 17/64, drill bit. That portion of the throttle
shaft ball (47) which remains in the throttle shaft (45) after the initial drilling operation can then be
extracted on the end of the drill bit.
Remove the fuel adjusting screw (48), and remove and discard the preformed packing (49).
Two setscrews (50) are used to lock the control end (51) on the throttle shaft (45). Both
screws are located in the same hole, the outer setscrew serving as a lockscrew for the inner
Remove the two setscrews (50), and remove the control end (51) from the throttle shaft (45).
Remove the screw (52), and remove and discard the preformed packing (53).
Remove the hexagonal nuts (54), and remove the adjusting screws (55).
Remove the snap ring (56), fuel filter cover (58), filter spring (59), and filter element (60). Discard
the snap ring and filter and remove and discard the preformed packing (57).
Remove the pipe plug (61) and governor barrel dip (62).
Remove the plunger driver (74), washer (75), spacer (76), governor plunger pin (78), plunger (77),
and shim (79).
Replace the lower governor barrel (82) and lower spring pack housing (81) in accordance with step
Replace the sleeve bearing (80) in accordance with step (2)(v), below.
Remove the fuel outlet plug (70).
Remove the plunger driver (71), plunger (73), and thrust washer (72).
Replace the upper governor barrel (83) and upper spring pack housing (84) in accordance with step
Remove the pan head screw (63) and remove and discard the packing with retainer (64).
Remove the hollow pins (65) and plug ball (67) only if defective. If necessary, remove the rivets (68)
and nameplate (69).
Using governor plug tool 3376457, remove the plug (85) and preformed packing (86).