TM 5-3810-289-34
and lockwashers (9) securing cover (10) to governor
housing (4). Lift off cover and discard gasket (2).
(5) Remove cover to housing plate.(27).
Discard O-ring (26).
(6) Remove governor spring (36), plunger
(16) and shims (33, 34, 35).
(7) Remove snap ring (24) from plunger
housing.
(8) Remove shims (30, 31, 32) from plunger
housing.
(9) Remove spring retainer (23), idler spring
Figure 3-64.
24 Snap ring
(25) and spring plunger (22).
2 Gasket
25 Idle Spring
(10) Remove small snap ring (8) and small
3 Governor barrel
26 Adapter plate O-ring
plunger (7).
4 Governor housing
27 Adapter plate
(11)
Remove set screw (18) securing
5 Pipe plug2)
28 Governor spring shim
6 Pipe plug
29 Washer, plain, (4)
governor stop (20) on throttle shaft (19). Pull throttle
7 Plunger
30 Shim
shaft from cover and discard O-ring (15).
8 Spring
31 Shim
e. Replacement of Governor Barrel. Refer to
32 Shim
9 Lockwasher, cover to housing (4)
33 Governor spring shim
Spring and idle pack
34 Governor spring shim
f. Cleaning and Inspection.
Spring pack
35 Governor spring shim
(1) Replace shaft bushing (11, fig. 3-64) if
Cover and bushing
36 Governor spring
worn beyond sealing capacity. Bushing I.D. should be
10 Cover (NSS)
37 Governor housing adapte
0.560/0.561 inch after assembly.
11 Throttle shaft bushing(2t
38 Swivel block
12 Spring pack housing
39 Capscrew, throttle lever
(2) Wash parts in a solvent that is not
13 Nut, adjusting screw (2)
40 Throttle lever
harmful to aluminum.
14 Nut, adjusting screw (2
41 Lockwasher, throttle levt
(3) Inspect parts for scoring, pitting and
15 Throttle shaft "0" ring (2)
42
Nut,
throttle
lever
wear.
capscrew
(4) Check plunger to barrel clearance. It
16 Throttle plunger
43 Cotter pin
17 Screw, adjusting (2
44 Screw, swivel block
should be 0.0001/0.0005 inch. Oversize plungers are
18 Screw, throttle shaft
45 Washer, throttle lever (21
available (table 2-2(5(k A.
19 Throttle shaft
46 O-ring packing
g. Reassembly of Automotive Governor.
20 Throttle shaft stop
47 O-ring packing
(1) Assemble screw (8, fig. 3-63) into
21 Washer, adjusting screw (4)
48 Seal governor housing
22 Governor spring plunger
49 Capscrew, governor hous
plunger guide (7), place small copper washer (10) over-
23 Governor spring retainer
50 Washer, swivel block
screw point inside plunger guide (fig. 3-21). Place small
idle spring (9, fig. 3-63) into plunger guide and place idle
plunger (5) against spring in plunger guide (fig. 3-22).
The plunger controls maximum fuel pressure produced
by the fuel pump.
(2) Place the governor spring (3, fig. 3-63)
over the rear of plunger guide (7) and place shim (2)
against spring; install retainer (11) and snap ring(12)
securing assembly into governor sleeve (fig. 3-24).
Note. There are different maximum-speed springs
available and each is identified by color stripes. (See
Note. Shims are available in 0.005, 0.010 and
0.020 inch thickness. The final number of shims must
be determined during fuel pump calibration.
(3) Install the spring-pack cover (1, fig. 3-
cover to housing.
(4) Install lockwire, twist up tight and snap
seal over lockwire.
h. Reassembly of Mechanical Variable Speed
Figure 3-65. Fuel filter scree - MVS governor type.
Governor PT (type G).
(1) Install snap ring (8, fig. 3-64) on plunger
(3) Screw adapter (37 fig. 3-64) from top of
(7) and insert plunger in main housing (4). Plunger must
main housing if damaged.
(4) Remove capscrews (1), flatwashers (29)
3-23
