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 405 of 1313
EXHAUST COLOR WHITE DURING NORMAL OPERATION - Continued
STEP
2.
IS WATER PRESENT IN FUEL?
a.
Open drain valves at fuel filter and drain approximately 1 pt (0.473 L) of fuel into a glass container.
T1039DAA
Figure 1.
Fuel Filter.
NOTE
Fuel is contaminated if container is 1/4 full of water.
b.
Check for presence of water in fuel.
CONDITION/INDICATION
IS WATER PRESENT IN FUEL?
DECISION
YES - Drain fuel system (Volume 2, WP
0250), replace fuel filter (Volume 2, WP
0258), and refill fuel tanks
(TM 9-2320-272-10). Go to Step (3) to verify problem is solved.
NO - Notify supervisor. Action may not be possible at this level of maintenance.
TM 9-2320-272-23-1
0023
0023-2
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