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Malfunction
Test or Inspection
Corrective Action
TM 9-2320-304-14&P
4-142.4
Organizational Maintenance Instructions (Cont)
4-18. TROUBLESHOOTING INSTRUCTIONS (CONT).
Table 4-3.1. Container Handling Unit (CHU) Troubleshooting (CONT)
CONTAINER HANDLING UNIT (CHU) (CONT)
2. LHS-CHU DOES NOT UNLOAD (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 3. Check for continuity between relay R52, terminal 3 and terminal 4.
If there is no continuity, replace relay R52.
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 4. Remove relay R51 and check for continuity between wire 1464A at relay R52, terminal 4
and relay R51, terminal 3.
If there is no continuity, replace wire.
Change 1
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