OPERATOR MAINTENANCE
EXCESSIVE MOVEMENT OF TRAILER KING PIN IN FIFTH WHEEL
INITIAL SETUP:
Equipment Condition
Engine OFF. (WP 0042)
Equipment Condition - Continued
Parking brake applied. (WP 0043)
Wheels chocked. (WP 0064)
TROUBLESHOOTING PROCEDURE
EXCESSIVE MOVEMENT OF TRAILER KING PIN IN FIFTH WHEEL
TEST 1 - Are any fifth wheel mounting screws or locknuts loose or missing?
Check for loose or missing fifth wheel mounting screws and locknuts.
PRIMARY LOCK
RELEASE HANDLE
SECONDARY LOCK
RELEASE HANDLE
FIFTH WHEEL
ASSEMBLY
Figure 1. Fifth Wheel Primary and Secondary Lock Release Handles.
TM 9-2320-360-10 0094
0094-1
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