3-61. FUEL PUMP FRONT COVER AND GOVERNOR REPAIR (Contd)
e. Assembly (M915A1/Big Cam III) (Contd)
33. Weight-assist plunger (22),
b. Add enough shims (23) to back
shims (23), and spring (24)
of spring (24) to make weight-assist
plunger (22) protrude above gasket
face of cover assembly (8).
c. Check protrusion of weight-assist
plunger (22) as follows:
(1) Put plunger protrusion check-
Use plunger protrusion checking
ing tool (39) on surface of cover
(2) Put contact point of dial
indicator on 12-in. diameter,
1-in. long gauge pin and zero
(3) Measure protrusion of weight-
Dial indicator will give weight
assist plunger (22).
direct reading of protrusion. If
protrusion is below 0.800 in.
(20.32 mm), add shims. If protru-
sion is above 0.800 in. (20.32 mm),
remove shims or grind end of
weight-assist plunger (22) if no
shims (23) are in use.
34. New cover-to-fuel pump
Place on dowel pins of fuel pump
main housing (34).
35. Fuel pump main housing
a. Install on fuel pump front
Position governor weight housing
(34) with cover-to-fuel pump
cover assembly (1).
carrier horizontally and hold
governor weights while installing
fuel pump main housing (34).
Ensure governor weights are prop-
erly engaged with tang on gover-
b. Secure with screw (30), new
Tighten all screws to 9-11 lb-ft
plastic bushing seal (31),
screw (29), lockwasher (28),
washer (27), and five captive
washer screws (26).
36. Fuel pump front cover
Remove from mounting plate
(32) and ball joint vise (33).