control arm from injector rack. Remove
speed above the desired speed. Therefore,
housing, but do not force it.
when the precise governor is controlling
the engine, the utility governor will move
3. Remove nut (8) and remove rear
to the position to deliver maximum fuel,
plate assembly (12) from rear of fuel
while the precise governor controls the fuel
rate so as to maintain the desired speed.
a. Refer to Operator and Organiza-
a. UTILITY GOVERNOR. Refer to
t i o n a l Maintenance Manual and remove
m a n u a l speed control.
nor assembly in the order of index numbers
b . Remove governor actuator unit
a s s i g n e d . Pay particular attention to the
c. UTILITY GOVERNOR, LINKAGE AND
OVERSPEED SHUTDOWN DEVICE. Refer to
1. Clamp the governor lightly in a
vise; vise jaws must grasp the base below
linkage, oil lines and overspeed shut-
the base case joint on the sides under" the
down device in the order of index num-
w h e n disassembly of overspeed shutdown
2. Insert a 5/16 inch diameter rod
device is required.
in the opening left after removing shaft
(13), and drive the other shaft (13) out.
3. Make a note of the distance the
Prior to removal of the utility gover-
high speed stop screw (19) protrudes from
nor, make a note of the overall dis-
the case (69) so that it can be set approxi-
tance between the ball joint centers
(4, 5, and 6) so that this rod assem-
m a t e l y the same when reassembling.
bly can be reinstalled at the same
4. Use a 1/8 inch diameter punch or
d i s t a n c e between ballpoint centers.
rod to drive the pin (22) down from the top
d. GOVERNOR DRIVE HOUSING. Refer
of lever (28) into the case (69).
housing in the order of index numbers as-
Pull shaft (25) out of the case
s i g n e d . Pay particular attention to the
6. Lift out the assembly consisting
Remove governor drive coupling
of the lever (28), pilot valve plunger (49),
(1) before removing housing bolt.
bearing assembly (50), and connecting
2 . When bolts (2, 4, and6) are re-
moved. governor housing (10) may be sep-
Remove plug (29), and gasket
arated from rear plate assembly (12) by
pulling housing (10) to the rear approxi-
mately 1/2 inch. Allow housing (10) to drop
8. Remove springs (31 and 32).
approximately 1/2 inch to disengage rack