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 1209 of 1313
FOUR PRESSURE MODE LIGHTS FLASHING - Continued
STEP
6.
DO AIR LINES BETWEEN QUICK RELEASE VALVES AND PNEUMATIC CONTROLLER HAVE ANY AIR
LEAKS?
a.
Refer to point to point schematics.
T0416DAA
QUICK
RELEASE
VALVES
PNEUMATIC
CONTROLLER
(CAB)
RELIEF
VALVE
QUICK
RELEASE
VALVE
Figure 6.
Quick Release Valves And Pneumatic Controller.
b.
Use soapy water at connections to check for air leaks.
CONDITION/INDICATION
DO AIR LINES BETWEEN QUICK RELEASE VALVES AND PNEUMATIC CONTROLLER HAVE ANY AIR
LEAKS?
DECISION
YES - Tighten loose tubing connections (Volume 5, WP
0805). Go to Step (10) to verify problem is solved.
NO - Go to Step (7).
TM 9-2320-272-23-1
0145
0145-8
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