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 1179 of 1313
TWO PRESSURE MODES INDICATED WITH STEADY MODE LIGHTS - Continued
STEP
1.
WAS THE SYSTEM INFLATING WHEN IT STOPPED BETWEEN MODES?
CONDITION/INDICATION
WAS THE SYSTEM INFLATING WHEN IT STOPPED BETWEEN MODES?
DECISION
YES - Inflating. Go to Step (2).
NO - Deflating. Go to Step (15).
STEP
2.
DO AIR LINES BETWEEN WET TANK AND PNEUMATIC CONTROLLER HAVE CRACKS OR OTHER
DAMAGE?
a.
Refer to point to point schematics.
T0866DAA
PNEUMATIC
CONTROLLER
(CAB)
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 (23) to verify problem is solved.
NO - Go to Step (3).
TM 9-2320-272-23-1
0144
0144-2
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