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 332 of 1313
ENGINE RUNS, BUT MISFIRES - Continued
STEP
2.
DOES ENGINE RUN WITHOUT MISFIRING AFTER CLEANING FUEL SYSTEM?
a.
Drain fuel tank (Volume 2, WP
0250).
T0891DAA
Fuel Tank
Figure 2.
Fuel Tank.
b.
Clean and flush fuel system. Dry with compressed air.
c.
Replace fuel filters (Volume 2, WP
0258).
d.
Refill tank with fuel.
e.
Prime fuel filter M939/A1 (TM 9-2320-272-10), M939A2 (Volume 2, WP
0239).
f.
Attempt to start engine.
CONDITION/INDICATION
DOES ENGINE RUN WITHOUT MISFIRING AFTER CLEANING FUEL SYSTEM?
DECISION
YES - Go to Step (6) to verify problem is solved.
NO - Go to Step (3).
TM 9-2320-272-23-1
0012
0012-3
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