38
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 wire rope 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 and Trolley Controls
4.3.1
Dual Speed Pendant Control – Pendant controls
supplied with dual speed trolley 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’s hook or the Down button to lower the hoist’s
hook as shown in
Figure 4-1
. Depress the Forward
and Reverse buttons to move the trolley horizontally.
To stop motion release the buttons.
Figure 4-1
Push Button
Pendant Control
Summary of Contents for RHN02D-20A-20D Series
Page 55: ...55 Figure 6 1 Figure 6 2...
Page 69: ...69 This Page Intentionally Left Blank...
Page 74: ...74 9 2 Gearing Parts RHN02 RHN03 RHN05 RHN08 RHN10 Figure 9 2 1 Gearing Parts 10...
Page 76: ...76 9 2 Gearing Parts RHN15 RHN20 Figure 9 2 2 Gearing Parts 25...
Page 78: ...78 9 3 Rope Drum Parts RHN02 RHN03 RHN05 RHN08 RHN10 Figure 9 3 1 Rope Drum Parts...
Page 80: ...80 9 3 Rope Drum Parts RHN15 RHN20 Figure 9 3 2 Rope Drum Parts...
Page 86: ...86 9 4 Rope Suspension Parts RHN15U RHN15D RHN20D Figure 9 4 3 Rope Suspension Parts...
Page 88: ...88 9 5 Hook Block Parts RHN02 RHN03 RHN05 RHN08 RHN10 Figure 9 5 1 Hook Parts 20...
Page 90: ...90 9 5 Hook Block Parts RHN15D RHN20D Figure 9 5 2 Hook Parts...
Page 92: ...92 9 5 Hook Block Parts RHN15U Figure 9 5 3 Hook Parts...
Page 104: ...104 9 6 Terminal Box Parts RHN15D RHN20D Figure 9 6 6 Terminal Box Layout 460V 575V...
Page 106: ...106 9 7 Trolley Parts RHN02 RHN03 RHN05 RHN08 RHN10 RHN15 Figure 9 7 1 Trolley Parts...
Page 110: ...110 NOTES...
Page 111: ...111 NOTES...
