It should not take two people to pull on hand chain, or a lever arm. Never put an extender (cheater bar) on a lever tool. This is a sure sign you are overloading the hoist. If it takes 58 pounds of pull force to raise one ton, any pull force over this value will overload the hoist. Consult the manufacturers specifications and train your operators on what each pull force should be. Many domestic (and some foreign) hoist manufacturers offer overload protection devices, either as standard equipment, or as an added cost option. This device protects the user, the overhead structure, and the hoist

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