How To Use a Jib Crane

A jib crane is a crane that has a horizontal jib that is akin to a projecting arm.  This horizontal jib is what the trolley moves on and can usually be raised and lowered.  Here are some tips on how to operate a jib crane:

  1. An area beneath and around the jib crane must be cleared of all people and objects that could be injured or damaged by falling debris.  Never operate a jib crane above other workers.
  2. The jib crane must be operated according to the design parameters of the manufacturer.  Never under any circumstances exceed load capacity of the jib crane or any of its components.
  3. Always check end stops that prevent the trolley from running off the jib.
  4. The load must be securely seated in the hook of the jib crane before moving.  Remove slack from the cable or sling chain before lifting the load.
  5. Do not make jerky motions that might disturb the balance of the load.  Try to operate the jib crane smoothly and predictably at all times.  This will also help the other workers on site be able to anticipate the direction of your movements.
  6. Never allow anyone to ride the hook or load of a jib crane.
  7. If you need to leave the controls of your jib crane for any reason, always lower the load to the floor first.  Do not leave controls unattended.
  8. To avoid swinging loads, always position the hoist directly above the lifting point of the load.  You can check your placement by seeing if the hoisting ropes are vertical-they should be.
  9. Lift the load high enough to clear obstructions.  Maintain a minimum clearance above and around your load.
  10. Raise your load only as high as you need to raise it to clear objects.

Jib cranes come in many different permutations, and there will be one that is right for the job at hand.  For example, here is a list of a few of the varieties of jib cranes available:

  • Wall or column mounted.  Wall or column mounted jib cranes, as you might suspect, mount to the wall or a column.
  • Floor mounted.  Floor mounted or foundation mounted jib cranes mount to the floor and have higher load ratings than wall or column mounted cranes.
  • Portable.  Some foundation mounted jib cranes can be transported.  A forklift can move the portable jib crane to different locations.
  • Cantilevered.  Cantilevered jib cranes incorporate full or partial rotation to access difficult to reach areas.

Of course each of these types of jib cranes will have its own particular set of unique operating instructions.  Be sure that you are knowledgeable and aware of your individual crane's operating instructions and load limits before you begin to use your jib crane.

 

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