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 518 of 1313
EXCESSIVE VIBRATION - Continued
CONDITION/INDICATION
DO YOKE AND COMPANION FLANGE SCREWS HAVE PROPER TORQUE?
DECISION
YES - Go to Step
(3) to verify problem is solved.
NO - Transfer to front axle flange screws loose. Tighten any loose screws (Volume 3, WP
0402). Go to
Step
(3) to verify problem is solved.
NO - Transfer to forward rear axle flange screws loose. Tighten any loose screws (Volume 3, WP
0401). Go to
Step (3) to verify problem is solved.
STEP
3.
IS YOUR ORIGINAL TRANSFER CASE VIBRATION PROBLEM STILL PRESENT?
a.
Ensure vehicle is returned to normal operating condition.
b.
Check to see if your original transfer case vibration problem still exists.
CONDITION/INDICATION
IS YOUR ORIGINAL TRANSFER CASE VIBRATION PROBLEM STILL PRESENT?
DECISION
YES - Notify supervisor.
NO - Problem fixed.
END OF WORK PACKAGE
TM 9-2320-272-23-1
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