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 1246 of 1313
SYSTEM FAILS TO DEFLATE, PARTIALLY DEFLATES, OR TIRE PRESSURES ARE IMBALANCED -
Continued
STEP
6.
ARE AIR LINES BETWEEN PNEUMATIC CONTROLLER, QUICK RELEASE VALVES, AND WHEELS
RESTRICTED?
a.
Refer to point to point schematics.
T0429DAA
QUICK
RELEASE
VALVE
RELIEF
VALVE
PNEUMATIC
CONTROLLER
(CAB)
QUICK
RELEASE
VALVES
Figure 6.
Air Lines.
WARNING
•
Release all air pressure before loosening or removing air system component(s).
Failure to comply may result in injury or death to personnel.
•
Eyeshields must be worn when releasing compressed air. Failure to comply may
result in injury or death to personnel.
b.
Disconnect air line at both ends.
c.
Check air line for restrictions.
CONDITION/INDICATION
ARE AIR LINES BETWEEN PNEUMATIC CONTROLLER, QUICK RELEASE VALVES, AND WHEELS
RESTRICTED?
DECISION
YES - Clear restriction, then reconnect air line (Volume 5, WP
0805). Go to Step (11) to verify problem is solved.
NO - Go to Step (7).
TM 9-2320-272-23-1
0148
0148-7
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