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TM 9-2320-364-20-2
2-1022
1. ENGINE CRANKS BUT FAILS TO START OR STALLS AFTER STARTING (CONT).
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
not grounded.
22 to 28 vdc not supplied to
wire 1020 at fuel priming pump
circuit breaker.
22 to 28 vdc not supplied to
wire 1020 at DUVAC.
Fuel tank(s), hoses and/or
fittings loose, damaged or
leaking.
Fuel priming pump filter faulty.
Fuel priming pump faulty.
Fuel water separator faulty.
Fuel pump faulty.
Secondary fuel filter faulty.
Fuel contaminated.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If there is no continuity, fuel
priming pump will not operate.
YES
NO
Repair wire 1435 (see
schematic Fig 2-23)
or notify DS
Maintenance.
Verify repair, go to
Step 16 of this Fault.
5.
Is there continuity measured
on wire 1435 at MC108,
terminal B?
Replace capacitor
pack.
Verify repair, go to
Step 16 of this Fault.
WARNING
Read WARNING
on Page 2-1023
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