TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 289 of 1313
ENGINE CRANKS BUT DOES NOT START - Continued
STEP
4.
DOES ENGINE START AFTER PRIMING FUEL SYSTEM?
WARNING
Diesel fuel is highly flammable. Do not perform fuel system procedures near open flame.
Failure to comply may result in injury or death to personnel.
a.
Prime the fuel system M939/A1 (TM 9-2320-272-10), M939A2 (Volume 2, WP
0239).
T0360DAA
Exhaust
Figure 4.
Engine Exhaust.
NOTE
If engine starts, there was air in fuel system.
b.
Try to start engine while checking for white smoke in exhaust.
CONDITION/INDICATION
DOES ENGINE START AFTER PRIMING FUEL SYSTEM?
DECISION
YES - Problem fixed.
NO - Go to Step (5).
TM 9-2320-272-23-1
0007
0007-4
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