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Malfunction
Test or Inspection
Corrective Action
TM 9-2320-304-14&P
4-142.11
Organizational Maintenance Instructions (Cont)
Table 4-3.1. Container Handling Unit (CHU) Troubleshooting (CONT)
CONTAINER HANDLING UNIT (CHU) (CONT)
3. HOOK ARM EXTENDS TOO FAR (CONT).
WARNING
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive
electrical circuits, a direct short may result. Damage to equipment and injury or death to
personnel may occur.
Step 5. Check for continuity between connector MC185A, terminal C and relay R53, terminal 3.
If there is no continuity, repair or replace CHU control box (Para 4-34.1).
If there is continuity, replace CHU hook arm up proximity switch (Para 4-36).
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