JLG EMERGENCY DESCENT – TELESCOPIC – EC600SJP, H600SJP

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Platform or Boom Caught Overhead Procedure

If the platform or boom becomes jammed or snagged in overhead structures or
equipment, do the following:

  1. Shutoff the machine.
  2. Rescue all people in the platform before freeing the machine. Personnel must
    be out of the platform before operating any controls on the machine.
  3. Use cranes, forklifts, or other equipment to stabilize motion of the machine to
    prevent a tip over as required.
  4. From the ground controls, use the Auxiliary Power System (if equipped) to
    carefully free the platform or boom from the object.
  5. Onceclear, restart the machine and return the platform to a safe position.
  6. Inspect the machine for damage. If the machine is damaged or does not
    operate properly, turn off the machine immediately. Report the problem to the
    proper maintenance personnel. Do not operate the machine until it is declared
    safe for operation.

Manual Descent System

The manual descent system is used, in the event of total power failure, to lower the
boom using gravity. To operate the manual descent system, proceed as follows: