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 1255 of 1313
CONTROL PANEL LIGHTS WORK, SYSTEM FAILS TO INFLATE OR DEFLATE - Continued
STEP
1.
DO AIR LINES BETWEEN WET TANK AND PNEUMATIC CONTROLLER HAVE CRACKS OR OTHER
DAMAGE?
a.
Refer to point to point schematics.
T1069DAA
Pneumatic
Controller
(Cali)
Wet
Tank
Figure 1.
Air Lines.
WARNING
Air system components are subject to high pressure. Always relieve pressure before
loosening or removing air system components. Failure to comply may result in injury or
death to personnel.
b.
Inspect air lines between wet tank and pneumatic controller for cracks and damage.
CONDITION/INDICATION
DO AIR LINES BETWEEN WET TANK AND PNEUMATIC CONTROLLER HAVE CRACKS OR OTHER DAMAGE?
DECISION
YES - Replace damaged air lines (Volume 5, WP
0805). Go to Step (11) to verify problem is solved.
NO - Go to Step (2).
TM 9-2320-272-23-1
0149
0149-2
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