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

  TM-9-2320-272-23-1 - Page 1118 of 1313

PRIMARY AIR SYSTEM FAILS TO MAINTAIN PRESSURE (NO MAJOR LEAKS, AIR CAN BE HEARD
ESCAPING INTO AIR INTAKE STACK, PARKING BRAKE APPLIED) - Continued
DECISION
YES - Replace faulty brake chamber (Volume 3, WP
0434). Go to Step (2) to verify problem is solved.
NO - Go to Step (2) to verify problem is solved.
STEP
2.
IS YOUR ORIGINAL AIR PRESSURE PROBLEM STILL PRESENT?
a.
Ensure vehicle is returned to normal operating condition.
b.
Check to see if your original air pressure problem still exists.
CONDITION/INDICATION
IS YOUR ORIGINAL AIR PRESSURE PROBLEM STILL PRESENT?
DECISION
YES - Notify supervisor.
NO - Problem fixed.
END OF WORK PACKAGE
TM 9-2320-272-23-1
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