Harrington Hoists and Cranes TNER Theater Hoist User Manual
Page 18
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.
4.3
Hoist Controls
4.3.1
Emergency Stop Button – Press the
Emergency Stop Button to perform an
emergency stop and lock-out of hoist
motion controls. Turn the Emergency
Stop Button clockwise to unlock the
controls and allow hoist operation.
4.3.2
When using the pendant control
depress the UP button to raise the
hoist load chain/hook or the DOWN
button to lower the hoist load
chain/hook as shown in Figure 4-1.
To stop motion release the buttons.
4.3.3
Make sure the
motor completely stops before
reversing direction.
•
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.
Figure 4-1 Push Button Pendant Control
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