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 1210 of 1313
FOUR PRESSURE MODE LIGHTS FLASHING - Continued
STEP
7.
ARE AIR LINES BETWEEN QUICK RELEASE VALVES AND PNEUMATIC CONTROLLER RESTRICTED?
a.
Refer to point to point schematics.
T0416DAA
QUICK
RELEASE
VALVES
PNEUMATIC
CONTROLLER
(CAB)
RELIEF
VALVE
QUICK
RELEASE
VALVE
Figure 7.
Quick Release Valves And Pneumatic Controller.
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 QUICK RELEASE VALVES AND PNEUMATIC CONTROLLER RESTRICTED?
DECISION
YES - Clear restriction, then reconnect air line (Volume 5, WP
0805). Go to Step (10) to verify problem is solved.
NO - Go to Step (8).
TM 9-2320-272-23-1
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