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 291 of 1313
ENGINE CRANKS BUT DOES NOT START - Continued
STEP
6.
IS THE FUEL SUPPLY LINE LOOSE AT FUEL FILTER HEAD?
Check for loose fuel supply line at fuel filter head.
T0361DAA
Fuel Filter
Head
Supply Line
Figure 6.
Engine Fuel Supply Line.
CONDITION/INDICATION
IS THE FUEL SUPPLY LINE LOOSE AT FUEL FILTER HEAD?
DECISION
NO - Go to Step (11) (M939/A1 vehicles).
NO - Go to Step (7) (M939A2 vehicles).
YES - Tighten fuel supply line (Volume 2, WP
0243). Go to Step (22) to verify problem is solved.
TM 9-2320-272-23-1
0007
0007-6
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