When the ratchet lever hoist is used to enhance the loading hoists, hoist from the weight should be reduced to 1/3 of nominal weight.
Lever hoist must be checked before using the case if all the fastening screws are tight, not loose.
Lever hoist has been wiped clean penetration supporting rope and wire rope clamp, then pulled forward or backward Shouben handle, depending on whether the action is normal.
Lever hoist is used to enhance the weight of the human, not any longer operating handle.
Lever hoist operation should handle the freedom to let the rest follow, not jammed.
Lever hoist must be selected according to the size appropriate tonnage hoist load.
Not use lever hoist overload.
Lever hoist shall be illegal to use.