Below The Hook Lifting Devices Load Testing. The following requirements apply to below the hook lifting devices such as spreader bars lifting yokes lifting baskets and lift fixtures. 1926 251 proof testing of lifting beams used to lift wind turbine components. Manufacturer s name and address serial number lifter weight if over 100 lbs.
Here are some quick facts you need to know about below the hook lifting devices. 2 1 1 structural and mechanical lifting devices.
Heavy process duty applications overloads old equipment and the use of below the hook lifting devices are all factors that may contribute to cumulative fatigue.
If you use a gantry crane with a custom lifting accessory then you ll want to test it with a load of precisely 125 percent of the manufacturer s limit. Asme b30 20 below the hook lifting devices addresses structural and mechanical lifting devices vacuum lifting devices operated close proximity lifting. Commonly referred to as a lifter a below the hook lifting device attaches a load to a hoist. 2 1 1 1 marking the rated capacity of each lifting device must be marked on the main structure where it is visible and legible.
