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Page Title: 1. MHC WILL NOT OPERATE (CONT)
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TM 9-2320-364-10 3-30      Table 3-1.  Troubleshooting - CONT. Malfunction Test or Inspection Corrective Action MATERIAL HANDLING CRANE (MHC) (CONT). 1. MHC WILL NOT OPERATE (CONT). When the wire is cut and the override valve is pushed in, the crane overload safety features do not function.  Make sure outrigger jacks are firmly in place or injury to personnel or equipment damage could result. Step 10. Ensure MHC Main Hydraulic Pressure Manual Override (5) is still out. Use pliers and cut wire on MHC System Hydraulic Pressure Manual Override (6).  Press in button and hold.  Check that outrigger jacks can now be lowered to maintain full contact with ground. If outrigger jacks cannot be lowered to ground, notify Unit Maintenance. If outrigger jacks can be lowered, go to Step 11. Step 11.  Check that all crane controls on main valve bank operate with MHC System Hydraulic Pressure Manual Override (6) pressed in.  Continue operations and mission.  Notify Unit Maintenance when mission is completed. Refer to Emergency Procedures (Para 2-57) to complete mission. If MHC controls do not operate, notify Unit Maintenance.

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