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 1188 of 1313
TWO PRESSURE MODES INDICATED WITH STEADY MODE LIGHTS - Continued
STEP
12.
ARE AIR LINES BETWEEN QUICK RELEASE VALVES AND WHEEL VALVES RESTRICTED?
a.
Refer to point to point schematics.
T0979DAA
QUICK
RELEASE
VALVES
QUICK
RELEASE
VALVE
WHEEL
VALVE
Figure 10.
Quick Release Valves And Wheel Valves.
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 WHEEL VALVES RESTRICTED?
DECISION
YES - Clear restriction, then reconnect air line (Volume 5, WP
0805). Go to Step (23) to verify problem is solved.
NO - Go to Step (13).
TM 9-2320-272-23-1
0144
0144-11
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