Operation
© Hirschmann Rev. E 11/12/08 190147_E
17
5 OPERATION
Upon correct inspection the LMI is operational (see chapter 6. Pre-Operation Inspection and
Calibration Verification.) The operator shall be thoroughly familiar with all controls of the LMI
before operating the crane. The proper function of the system shall be checked by lifting a load
of known weight and comparing the load to the information displayed on the LMI.
Rated loads include the weight of the hook block, slings, and auxiliary load handling devices.
Their combined weights shall be subtracted from the listed load capacities as stated on the load
capacity chart to obtain the net load to be lifted.
If any of the displays reflects a deviation between displayed and actual values, an
authorized PAT service representative shall be called for repair of the system or
reverification of the crane’s LMI calibration.
Any structural modifications or changes to the crane shall require reverification of the
crane’s LMI calibration.
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