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 400 of 1313
ENGINE CRANKS BUT WILL NOT START IN COLD WEATHER (FUEL SYSTEM OPERATING PROPERLY) -
Continued
STEP
9.
IS ATOMIZER OR ATOMIZER TUBING RESTRICTED?
a.
Disconnect tubing between thermal close valve and atomizer at thermal close
valve (Volume 2, WP
0264).
T0484DAA
Figure 9.
Atomizer.
b.
Blow compressed air into tubing at thermal close valve end to determine if system is clear.
c.
If restricted, disconnect tubing from atomizer and check for restrictions in tubing.
CONDITION/INDICATION
IS ATOMIZER OR ATOMIZER TUBING RESTRICTED?
DECISION
YES - Tubing restricted, replace tubing (Volume 2, WP
0263). Go to Step (10) to verify problem is solved.
YES - Tubing clear, replace atomizer (Volume 2, WP
0265). Go to Step (10) to verify problem is solved.
NO - Go to Step (10) to verify problem is solved.
TM 9-2320-272-23-1
0021
0021-15
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