TM 9-2350-256-10
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Check for bent or loose fuel lines.
Notify unit maintenance.
Step 3.
Extremely cold temperatures prevent engine from starting.
See paragraph 2-16b and attempt to start using cold start
procedures.
3.
ENGINE STARTS, BUT FAILS TO KEEP RUNNING.
Step 1.
Check fuel level.
Engine may start and run on fuel remaining in engine fuel
system and stop when fuel is gone. If engine starts each
time purge pump is used but will not continue to run,
notify unit maintenance.
Step 2.
Check for air trapped in fuel lines.
Operate purge pump until engine continues to run.
Step 3.
Check restriction indicator (see para. 3-10).
Service air cleaners (see para. 3-10).
4.
ENGINE STOPS WHILE OPERATING VEHICLE UPHILL DURING RECOVERY OR GOING UP A STEEP GRADE.
Check forward fuel tank valve to see if it is open.
Close forward tank gate valves or valve (see para. 2-5ax).
If rear tanks are 1/2 or more full, move vehicle to level
area or downgrade. Open forward gate valves or valve to
allow fuel to flow into forward tank. Then close forward
gate valves or valve.
NOTE
Operation for long periods in recovery operation with vehicle in fixed position on
incline will lower front fuel tank supply below pump inlet.
5.
ENGINE WILL NOT RETURN TO IDLE.
Check for loose, missing, or bent accelerator or hand throttle linkage.
Notify unit maintenance.
6.
ENGINE RUNS ROUGHLY AND MISFIRES.
Step 1.
Check restriction indicator (see para. 3-10).
Service air cleaners (see para. 3-10).
Step 2.
Check for fuel leaks.
Turn off engine and notify unit maintenance.
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