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TM 10-4320-307-10
Table 3-1. Operator/Crew Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 5.
Ambient temperature too cold.
Use cold weather start aid.
Step 6.
Inspect for leakage around the fuel filter gaskets.
Hand tighten leaking filter. If filter continues to leak, notify unit maintenance.
Step 7.
Check engine air cleaner restriction indicator.
If indicator shows red, notify unit maintenance.
3.
UNEVEN RUNNING OR FREQUENT STALLING
WARNING
Death or serious injury could occur if diesel fuel is not handled carefully.
Use in a well-ventilated area away from open flame, arcing equipment,
ignition sources, heaters, or excessive heat. Be certain that fuel lines and
connections are secure. Do not inhale vapor. Do not overfill fuel tank.
Engine must be turned off and cooled before refueling. Use proper refueling
procedures and equipment to avoid spillage. Do not run engine near open
fuel containers. DO NOT SMOKE.
CAUTION
Low air density of high altitude operation will tend to make the engine run
hotter. A high temperature condition may cause abnormal engine operation.
Step 1.
Check for insufficient fuel supply.
Refill low tank. Perform the checks and services of Table 2-2, item 4.
Step 2.
Check for alignment of 3-way fuel valves
Align valves to proper fuel supply.
Step 3.
Check for loose connections or restricted or damaged fuel lines
Perform the checks and services of Table 2-2, item 45. Report damaged lines or loose
connections
to unit maintenance.
Step 4.
Check altitude.
Engine outputs will be de-rated when operated at altitudes above 9000 feet (2743.2 m).
Step 5.
Check engine air cleaner restriction indicator.
If indicator shows red with engine shut off, notify unit maintenance.
3-3
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