TM 5-4320-302-14
Table 4-2. Organizational Maintenance Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
The fuel feed pump is cam driven. If high point of
camshaft cam is in contact with fuel feed pump
cam lever, fuel system cannot be primed nor air
bled from fuel system using fuel feed pump.
c. Tighten vent screw on top of fuel filter.
d. Loosen breather plug on top of engine shutdown valve, four complete turns.
e. Place ON-ENGINE-OFF switch in ON position.
f. Press and hold in the fault sensitive control button.
g. Push and pull ENGINE PRIME T-handle until all air is removed from
engine shutdown valve and fuel flows freely.
h. Tighten breather plug on top of engine shutdown valve.
i. Loosen line nuts on injectors, one full turn.
j. Hold a lint-free cloth below injectors to collect leakage.
WARNING
Priming discharge mixture of water and exhaust gases
may cause severe burns or injury. Wear gloves and
safety glasses when priming pump.
· Stand clear of venturi during priming.
Prime the centrifugal pump as soon as possible after
engine starts. Rotation of impeller without water in
volute will damage pump components.
To prevent starter from overheating, do not crank
engine with starter for more than 10 seconds.
Battery life will be lengthened if 60 seconds is allowed
to elapse between starting attempts.
Under any condition, if engine does not start on
initial attempt, allow engine rotation to stop com-
pletely before again engaging starter.
k. Pull throttle full open and lock by turning clockwise.
I. Press and hold in the fault sensitive control button, push START button
and observe fuel flow from injector fittings until air is cleared from lines.
m. Tighten line nuts on injectors.
n. Push throttle closed.
o. Start engine as described in paragraph 2-5.
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