ENGINE WATER TEMPERATURE
(1) Check indicated engine water
temperature to determine if it is within
normal 180 to 210 degrees F operating
(a) If engine water temperature is
within normal operating range, go
to Step 3 of this fault.
(b) If engine water temperature is not
within normal operating range,
refer to the Engine Water
Temperature Below Normal
Troubleshooting Section to correct
(2) Start and run engine
(TM 10-3930-673-10). If engine water
temperature within normal range, go to
Step 3 of this fault.
LINE TO FUEL
CURRENT FUEL QUALITY
(1) Check quality of fuel in fuel tank by
operating engine from a temporary tank
of known fuel quality.
(a) Disconnect fuel line at fuel/water
separator, where line leads to fuel
(b) Place disconnected end of fuel line
in temp tank of known clean fuel.
(c) Start engine and run it for
approximately 5 minutes to
determine if engine performance
improves with known clean fuel.
(2) If fuel is of good quality, notify Direct
Support about this fault.
(3) If fuel is of questionable quality, drain
fuel tank and replace fuel (Para 5-9).
Go to Step (4) below.
(4) Start and run engine. If engine exhaust
smoke normal, fault is corrected. If not,
notify Direct Support about this fault.
LINES O FUEL/WATER