TM 5-3895-376-14&P
5-5. FUEL PUMP MAINTENANCE INSTRUCTIONS - Continued
Remove two hex nuts (1), lockwashers (2) and
2.
fuel pump (3) from gear cover.
Remove shims (4) and gaskets (5), and set
3.
aside for reference/reinstallation.
Remove setscrew (6) and lockwasher (7) from
4.
inside the oil filler opening.
5.
Remove the roller tappet (8).
Remove studs (9) only if replacement is re-
6.
quired.
CLEANING
WARNING
P-D-680,Type III, is moderaetly toxic to
the skin, eyes and respiratory tract;
avoid prolonged exposure. Skin and
eye protection is required. Good ventila-
tion is required. Do not use near open
flame or excessive heat. Flash point is
INSTALLATION
200 F (93.3 C)
1.
Clean exterior of fuel pump with rag dampened in
1
Install studs (9). if they were removed
dry cleaning solvent and dry thoroughly.
2
If reinstalling the pump assembly (3) and roller
2.
Clean all other parts in dry cleaning solvent and
tappet that was removed from the engine. pro-
dry thoroughly.
ceed as follows:
3.
Ensure that all gasket material removed from
a
Install roller tappet in bore of gear cover,
mating surfaces.
aligning the slot in side of tappet with hole for
setscrew (6) in the oil filler passage.
INSPECTION
b.
Install setscrew (6) and lockwasher (7), ensur-
ing that pilot on end of setscrew (6) seats into
1.
Inspect roller tappet for signs of excessive wear,
groove of roller tappet (8) and that tappet
or scoring along outside diameter. Replace roller
moves freely on It's axis for length of slot.
tappet that is damaged in any way.
c.
Install new gasket (5), with shims (4) that
2.
Inspection of fuel pump consists of examining the
were removed onto the studs (9).
pump for signs of wear, and other signs of exter-
nal damage. Replace a worn of otherwise exter-
NOTE
nally damaged fuel pump.
If a combination of steel and plastic
shims (4) are used, always place the steel
3.
Inspect threaded fasteners for stripped threads or
shim between the plastic shim(s) and the
other damage. Replace damaged fasteners.
gasket (5)
5-10
