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Malfunction
Test or Inspection
Corrective Action
TM 9-2320-304-14&P
4-76
Organizational Maintenance Instructions (Cont)
4-18. TROUBLESHOOTING INSTRUCTIONS (CONT).
Table 4-3. Load Handling System (LHS) Troubleshooting (CONT)
LOAD HANDLING SYSTEM (LHS) (CONT)
10. LOSS OF HOOK ARM SAFE LOWERING FUNCTION (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 6. Check continuity between hook-arm safe lowering button wire connection points with but-
ton pushed in.
If there is no continuity, replace hook-arm safe lowering button (Para 4-39).
Step 7. Check for 22 to 28 Vdc on wire 1479 at main frame safe lowering button with ENGINE
switch in ON position.
If Vdc measurement is below specification, repair wire 1479 or notify DS Mainte-
nance.
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