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 1241 of 1313
SYSTEM FAILS TO DEFLATE, PARTIALLY DEFLATES, OR TIRE PRESSURES ARE IMBALANCED -
Continued
STEP
1.
WHAT IS THE CONDITION OF THE PNEUMATIC CONTROLLER RELIEF VALVE POPPET?
a.
Refer to point to point schematics.
T1068DAA
RELIEF
VALVE
Figure 1.
Relief Valve.
b.
Inspect relief valve poppet on pneumatic controller.
CONDITION/INDICATION
WHAT IS THE CONDITION OF THE PNEUMATIC CONTROLLER RELIEF VALVE POPPET?
DECISION
YES - Poppet in. Go to Step (2).
NO - Poppet out. Replace relief valve (Volume 5, WP
0810). Go to Step (11) to verify problem is solved.
TM 9-2320-272-23-1
0148
0148-2
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