WWH-IW-010_B Page 4of 24
five (5) wraps of wire rope on the drum.
16. Never attempt to clean, oil or perform any maintenance on a machine with the
engine or prime mover running, unless instructed to do so in this manual.
17. Never operate hoist controls unless you are properly positioned at the operator’s
station, and you are sure personnel are clear of the work area.
18. Assure that personnel who are responsible for hand signals are clearly visible and
that the signals to be used are thoroughly understood by everyone.
19. Ground personnel should stay in view of the operator and clear of hoist drum. Do
not allow ground personnel near hoist line under tension. A safe distance of at
least 1-1/2 times the length of the cable should be maintained.
20. Do not exceed the maximum pressure, PSI (kPa), or flow, GPM (LPM), stated in
the hoist specifications.
21. Install guarding to prevent personnel from getting any part of body or clothing
caught at a point where the cable is wrapped onto the drum or drawn through
guide rollers.
22. “Deadman” controls, which automatically shut off power to the hoist whenever the
operator leaves his station, should be installed whenever practicable.
23. Never allow anyone to stand under a suspended load.
24. Stay out from under and away from raised loads.
25. Stand clear of cable while pulling. Do not try to guide cable.
26. Do not exceed maximum line pull ratings shown in table.
27. The pressure and flow of hydraulic system should reach the shown in table.
28. The cable should be arranged on the drum neatly.
29. Do not use hoist to lift, support or otherwise transport people.
30. A minimum of 5 wraps of cable around the drum barrel is necessary to hold the
load.
31. When you change the rope, you should check intensity according to load.
32. Make sure that all equipment, including the hoist and cables, is maintained
properly.
