General Information
© Hirschmann Rev. I 05/22/17 190154_I.DOC
1 GENERAL INFORMATION
This service manual is designed to assist a service or maintenance person in identifying system
problem areas or malfunctions. A digital voltmeter with the capability to measure current will be
required, along with standard maintenance and service tools. NOTE: Knowledge of how to use a
voltmeter to measure both voltage and current is assumed.
REFERENCE:
For system operation, refer to the consoles operator’s manual 031-300-190-147.
2 WARNINGS
The LMI is an operational aid that warns a crane operator of approaching overload conditions and
over hoist conditions that could cause damage to equipment and personnel.
The device is not, and shall not be, a substitute for good operator judgment, experience and use of
accepted safe crane operating procedures.
The responsibility for the safe crane operation shall remain with the crane operator who shall ensure
that all warnings and instructions supplied are fully understood and observed.
Prior to operating the crane, the operator must carefully and thoroughly read and understand the
information in this manual to ensure that he knows the operation and limitations of indicator and
crane.
Proper functioning depends upon proper daily inspection and observance of the operating
instructions set forth in this manual. Refer to Section 6. Pre-Operation Inspection and Calibration
Verification of the operator’s manual.
The LMI can only work correctly, if all adjustments have been properly set. For correct
adjustment, the operator has to answer thoroughly and correctly all questions asked during
the setup procedure in accordance with the real rigging state of the crane. To prevent
material damage and serious or even fatal accidents, the correct adjustment of the LMI has
to be ensured before starting the crane operation.
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