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Harrington Hoists and Cranes GT Trolley User Manual

Page 51

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Improper operation of a hoist can create a potentially hazardous

situation which, if not avoided, could result in minor or moderate

injury, or property damage. To avoid such a potentially hazardous

situation THE OPERATOR SHALL:

Maintain a firm footing or be otherwise secured
when operating the hoist.

Check brake function by tensioning the hoist prior
to each lift operation.

Use hook latches. Latches are to retain slings,
chains, etc. under slack conditions only.

Make sure the hook latches are closed and not
supporting any parts of the load.

Make sure the load is free to move and will clear all
obstructions.

Avoid swinging the load or hook.

Make sure hook travel is in the same direction as
shown on controls.

Inspect the hoist regularly, replace damaged or
worn parts, and keep appropriate records of
maintenance.

Use the hoist manufacturer’s recommended parts
when repairing the unit.

Lubricate load chain per hoist manufacturer’s
recommendations.

NOT use the hoist load limiting or warning device to
measure load.

NOT use limit switches as routine operating stops.
They are emergency devices only.

NOT allow your attention to be diverted from
operating the hoist.

NOT allow the hoist to be subjected to sharp
contact with other hoists, structures, or objects
through misuse.

NOT adjust or repair the hoist unless qualified to
perform such adjustments or repairs.

4.3

Trolley Controls

4.3.1

For Plain Trolley, movement is controlled by pushing/pulling on the load or the hook of the attached
hoist.

4.3.2

For Geared Trolley, when facing Trolley Hand Wheel:

 Pull down on the right side of Hand Chain (Clockwise Rotation) to move the Trolley left.

 Pull down on the left side of Hand Chain (Counterclockwise Rotation) to move the Trolley right.

4.3.3

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Avoid collisions with the end stops or other Trolleys. Damage may result.

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