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 1245 of 1313
SYSTEM FAILS TO DEFLATE, PARTIALLY DEFLATES, OR TIRE PRESSURES ARE IMBALANCED -
Continued
STEP
5.
DO AIR LINES BETWEEN PNEUMATIC CONTROLLER, QUICK RELEASE VALVES, AND WHEELS HAVE
ANY AIR LEAKS?
a.
Refer to point to point schematics.
T0429DAA
QUICK
RELEASE
VALVE
RELIEF
VALVE
PNEUMATIC
CONTROLLER
(CAB)
QUICK
RELEASE
VALVES
Figure 5.
Air Lines.
b.
Use soapy water at connections to check for air leaks.
CONDITION/INDICATION
DO AIR LINES BETWEEN PNEUMATIC CONTROLLER, QUICK RELEASE VALVES, AND WHEELS HAVE
ANY AIR LEAKS?
DECISION
YES - Tighten loose tubing connections (Volume 5, WP
0805). Go to Step (11) to verify problem is solved.
NO - Go to Step (6).
TM 9-2320-272-23-1
0148
0148-6
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