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 1044 of 1313
INSUFFICIENT BRAKES (VEHICLE STOPPING DISTANCE TOO LONG, NO APPARENT AIR SYSTEM
FAILURE WITH GAUGES AT NORMAL OPERATING PRESSURE, WARNING BUZZER NOT SOUNDING) -
Continued
CONDITION/INDICATION
ARE BRAKE MECHANISMS IN GOOD CONDITION?
DECISION
NO - Brakeshoe lining worn. Replace worn brakeshoe linings (Volume 3, WP
0426). Go to Step (30) to verify
problem is solved.
NO - Oil on brakeshoes or drum. Notify supervisor. Action may not be possible at this level of maintenance.
NO - Actuator seals are faulty. Notify supervisor. Action may not be possible at this level of maintenance.
YES - Go to Step (30) to verify problem is solved.
STEP
30.
IS YOUR ORIGINAL PROBLEM STILL PRESENT?
a.
Ensure vehicle is returned to normal operating condition.
b.
Check to see if your original problem still exists.
CONDITION/INDICATION
IS YOUR ORIGINAL PROBLEM STILL PRESENT?
DECISION
YES - Notify supervisor.
NO - Problem fixed.
END OF WORK PACKAGE
TM 9-2320-272-23-1
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