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Part 3. Lifting the Load- Things that you do not want to do

  1. Do not lift people on the hook or load. Lifting people with a hoist is prohibited unless the hoist is designed and manufactured for that purpose(this must always be agreed with the supplier of the hoist).  Do not go under the hook or a load. Do not move the hook or load over a person. A load must never be lifted in a way that can injure a person if the load drops.Do not operate the hoist if you know that medication, an illness, or other such handicap impairs your alertness or working ability.
  2.  Do not lift a load that is fastened to its base or that is heavier than the maximum permissible load for the hoist or lifting accessories. A jerking or static load can cause an overload. A hoist may only be used for those loads and load combinations, and at those speeds, for which the hoist has been designed and manufactured.  Raise the load high enough to prevent it from hitting objects during travel. However, do not raise it higher than is necessary for the situation. Do not raise the hook to the top safety limit.
  3. During hoisting and travel motion, ensure that the hook, the load, and the crane and its moving parts do not collide with objects or people.  If the hoist is provided with a horn, sound the horn when you move the load in the vicinity of people who are not paying attention to the moving load.  Do not move the load until you have received a signal from the person attaching the load to the hook or lifting appliance.  Do not use the overload protection for weighing the load.
  4. Stop all hoisting and travel motions before the safety limit switches.  Do not adjust or bypass the limit switches or warning devices in order to go past motion limits. Do not use the hoist if the limit switches are inoperative.  If the manually-adjusted backup limit switch in the hoist has triggered, call a serviceman to the hoist and ask him to determine why the normal safety limit switch did not function.  Do not use the hoisting rope as a lifting lug.
  5. Do not use the hoist if there are visible defects in; or damage to, the hoist, the hoisting rope, or any other hoist structure or hoist function. Stop operating the hoist if it operates abnormally (for example, a high noise level, uneven starting, or malfunctions).Using faulty equipment is strictly prohibited.  If defects have been noticed in the hoist, carry out the necessary inspections and servicing. Ensure that the hoist operates properly before you start to use it again.  Do not use the limit switches to stop the motions of the hoist. Hoist motions must be stopped with the pushbutton controller or other control device intended for the purpose.
  6. Use the proper pushbuttons intended for controlling the hoist. If you feel you are losing control of the hoist motions, press the emergency stop button. In a potentially dangerous situation all hoist motions can be stopped by pressing the emergency stop button, but do not use the emergency stop function unnecessarily. Ensure that it is safe to re-commence working after the emergency stop button has been pressed.  Avoid short, jerky motions. Unnecessary short starts can cause the hoisting motor to overheat quickly. The last controller step is for normal drive. The intermediate steps are normally used for short durations only. Do not switch the controller back and forth unnecessarily because it causes wear. Avoid violent collisions into other hoists or against the buffers.
  • Do not leave a suspended load unattended.
  • Do not lower the hook so far that the ropes become slack.
  • Do not pull a load from the side. Lower the load with the ropes perpendicular.
  • Do not use hoist motions to remove the load from the hook.
  • Do not weld on a hook that is not isolated. Do not fasten a welding electrode to the hoisting rope.
  • Do not change the size of fuses. A qualified electrician should carry out all electrical work.
 

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