Harrington Hoists and Cranes RHN - Rhino Wire Rope Hoist - Manual (Page 35)

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3.9.3 Confirm proper operation:
 Before operating read and become familiar with Section 4 – Operation.
 Before operating ensure that the hoist (and trolley) meets the Inspection, Testing and
Maintenance requirements of ANSI/ASME B30.16.
 Before operating ensure that nothing will interfere with the full range of the hoist’s (and
trolley’s) operation.
3.9.4 Proceed with trial operation to confirm proper operation.
 Verify that the controls agree with hoist direction. Make sure that depression of the Up button
lifts the Bottom Block and depression of the Down button lowers the Bottom Block. If the
Bottom Block does not move in the correct direction when the push buttons are pushed, the
power supply is phased incorrectly. In this case, turn off the power source or breaker switch
then reverse any two of the three wires at the power source. The hook will then move in
accordance with the directions of the push button.
 Operate the trolley through its full range of motion. Make sure the trolley runs smoothly and
does not bind. Check the power supply and festoon system for proper operation


Ensure that wire rope is not allowed to go “slack”.
 Perform inspections per Section 5.3 , “Frequent Inspections”.