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 671 of 1313
TRAILER WILL NOT HITCH TO FIFTH WHEEL - Continued
STEP
1.
ARE COUPLING JAWS IN GOOD OPERATING CONDITION?
Visually inspect coupling jaws for bends and breaks.
T0643DAA
COUPLING
JAWS
Figure 1.
Fifth Wheel.
CONDITION/INDICATION
ARE COUPLING JAWS IN GOOD OPERATING CONDITION?
DECISION
YES - Go to Step (2) to verify problem is solved.
NO - Replace damaged fifth wheel (Volume 3, WP
0530). Go to Step (2) to verify problem is solved.
STEP
2.
IS YOUR ORIGINAL FIFTH WHEEL HITCHING PROBLEM STILL PRESENT?
a.
Ensure vehicle is returned to normal operating condition.
b.
Check to see if your original fifth hitching problem still exists.
CONDITION/INDICATION
IS YOUR ORIGINAL FIFTH WHEEL HITCHING PROBLEM STILL PRESENT?
DECISION
YES - Notify supervisor.
NO - Problem fixed.
END OF WORK PACKAGE
TM 9-2320-272-23-1
0071
0071-2
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