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TM 9-2320-364-20-2
2-1040
1. ENGINE CRANKS BUT FAILS TO START OR STALLS AFTER STARTING (CONT).
15.
Drain and fill fuel
system (Para 4-8),
and replace all fuel
filter elements (Para
4-13 and 4-17).
Verify repair, go to
Step 16 of this Fault.
YES
NO
Headlights operate indicating
22 to 28 vdc present at
1020/1872 splice at ignition
switch.
22 to 28 vdc is supplied to fuel
priming pump.
Fuel priming pump grounded.
Fuel priming pump capacitor
OK.
22 to 28 vdc is supplied to
connector MC108 at wire 1020.
Connector MC108 at wire 1435
is grounded.
22 to 28 vdc are supplied to
wire 1020 at fuel priming pump
circuit breaker.
22 to 28 vdc is supplied to wire
1020 at DUVAC.
Fuel/priming pump click,
indicator power and ground
OK.
Fuel tank(s), hoses and/or
fittings OK.
Fuel priming pump filter OK.
Fuel priming pump OK.
Fuel water separator OK.
Fuel pump OK.
Secondary fuel filter OK.
Fuel contaminated.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Engine will not run if fuel is
contaminated.
WARNING
Is fuel free from water and
other contaminants?
Read WARNING
on Page 2-1041
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