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TM 5-4320-305-10
Table 3-1. Operator/Crew Troubleshooting -Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
UNEVEN RUNNING OR FREQUENT STALLING
WARNING
Death or serious injury could occur if diesel fuel oil 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. Engines must be turned off and
cooled before refueling. Use proper refueling procedures and
equipment to avoid spillage. Do not run engines near open fuel
containers. DO NOT SMOKE.
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 28. If fuel tank is empty,
notify organizational maintenance.
Step 2.
Check for malfunctioning engine shutdown valve.
Perform the checks and services of table 2-2, item 33.
Step 3.
Check for loose connections or restricted or damaged fuel lines.
Perform the checks and services of table 2-2, item 28. Report damaged lines or loose
connections to organizational maintenance.
Step 4.
Inspect water separator for water in collection bowl.
Perform the checks and services of table 2-2, item 48.
Step 5.
Check engine air cleaner restriction indicator.
If indicator shows red with engine shut off, and no damage to system components is found,
replace primary and secondary elements (para 3-8).
3-4
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