Harrington Hoists and Cranes (N)ER Hoist - ((N)ER1) - Manual (Page 21)

21
CAUTION
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 Hoist Controls
4.3.1 For hoists mounted to motorized trolleys follow the control instruction included in the trolley's Owner's
Manual.
4.3.2 Single Speed Pendant Control – When using the pendant control depress the up button to raise the
hoist or the down button to lower the hoist as shown in
Figure 4-1 below. To stop motion release the
buttons.
4.3.3 Dual Speed Pendant Control – Pendant controls supplied with dual speed hoists have two step control
buttons. For low speed depress the button to the first step and for high speed depress the button fully
to the second step. Use the up button to raise the hoist or the down button to lower the hoist as shown
in
Figure 4-1 below. To stop motion release the buttons.
4.3.4
CAUTION
Make sure the motor completely stops before reversing direction.
Figure 4-1 Push Button Pendant Control