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 381 of 1313

EXCESSIVE VIBRATION OR CLUNKING - Continued
STEP
2.
IS VIBRATION DAMPER LOOSE?
Check if vibration damper is loose.
CONDITION/INDICATION
IS VIBRATION DAMPER LOOSE?
DECISION
YES - Replace loose vibration damper M939/A1 (Volume 2, WP
0218), M939A2 (Volume 2, WP
0219). Go to
Step (3) to verify problem is solved.
NO - Notify supervisor. It is possible that another troubleshooting work package applies.
STEP
3.
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
0019
0019-2


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