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Malfunction
Test or Inspection
Corrective Action
TM 9-2320-304-14&P
5-25
Direct Support and General Support Maintenance (Cont)
Table 5-2. Direct Support/General Support Troubleshooting (CONT)
LOAD HANDLING SYSTEM (LHS)
4. HOOK ARM DOES NOT UNLOAD (CONT).
WARNING
Do not get under LHS when disconnecting or connecting connectors or hoses. A hydraulic
malfunction could cause LHS to lower causing serious injury or death.
Step 5. Use joystick to operate hook arm unload function with harness connector disconnected from
safe lowering solenoid valve on port VA side of RH hook arm manifold and hook arm safe
lowering button pushed in.
If hook arm does not unload, load control valve is faulty. Repair RH hook arm
manifold at port VA (Para 5-36).
If hook arm unloads, load control valve is faulty. Repair LH hook arm manifold at
port VA (Para 5-36).
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