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Page Title:
ENGINE RUNS ROUGHLY, MISFIRES - continued |
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 TM 10-3930-673-20-1
FUEL FLOW THROUGH FILTER
VISUAL INSPECTION
Check flow of fuel through fuel filter
FUEL/WATER
S
(Para 5-11).
EPARATOR
(a) If fuel flows freely without air, go to
Step 3 of this fault.
(b) If air in fuel lines, check for air
leaks, shut down engine
(TM 10-3930-673-10) and bleed
system (Para 5-11).
T
LINE TO FUEL
RANSFER PUMP
CONTAMINATED FUEL
VISUAL INSPECTION
(1) Check for contaminated fuel by
operating engine with known clean fuel
from temporary supply tank.
(a) Disconnect fuel line at fuel/water
separator, where line leads to fuel
transfer pump.
TR01196
(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 in fuel tank proves clean, use as
is.
TRP NSFER
A
LINES O FUEL/WATER
T
(3) If fuel in fuel tank is contaminated, shut
down engine
UMP
EPARATOR
(TM 10-3930-673-10), drain and flush
tank, and replace fuel with clean fuel
(Para 5-9).
2-647
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