TM 5-5420-280-23&P
0006 00
Pallet Mechanical System Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
15. WINCH STOWAGE DRUM UNIT WILL NOT ROTATE
Step 1. Check for obstruction or jamming caused by rock or debris between rope stowage drum and
winch mounting bracket.
Clean obstruction or debris from between rope stowage drum and winch mounting bracket.
Refer to TM 5-5420-280-10.
Step 2. Check for worn or damaged drum unit.
Replace worn or damaged drum unit. Refer to WP 0061 00.
END OF TESTING
16. WINCH HOOK CLIP WILL NOT LOCK
Check for broken, bent, or missing spring or pin.
Replace broken, bent, or missing spring or pin. Refer to WP 0057 00.
END OF TESTING
17. BRIDGE HALVES NOT ALIGNED TO CENTER OF PALLET
Step 1. Check alignment of launch beam on upper and lower bridge halves.
If either launch beam is not aligned with center of pallet launch boom, align them using a
tanker bar.
Step 2. Check alignment of lower bridge quarters on pallet transverse handling unit carriers.
If lower bridge half quarters do not line up squarely on carriers, align them using a tanker bar.
Step 3. Check alignment of upper bridge half quarters resting on lower bridge half quarters.
If upper bridge half quarters are not centered between guides on lower bridge half quarters,
align them using a tanker bar.
END OF TESTING
END OF WORK PACKAGE
