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Agricultural Safety Topic - Jacks

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Objective: To know how to correctly use jacks for equipment repairs. Background: The following recommendations are important for the safe use of jacks. Compare the rated capacity of the jack to the weight of the load to be lifted to ensure that the jack can safely do the job. Keep jacks lubricated as recommended. Do not use a jack that is leaking fluid. Handle jacks carefully. Dropping or throwing them may distort or crack the metal and the jack may fail under the load. Position the jack properly at a point that can carry the lifted weight. The lift point should be flat and level with the floor or the ground, and able to support the base of the jack. Lift should be straight up and down. If working on the ground, place a long wide block under the base of the jack to keep it from sinking, shifting or tipping when weight is applied. If the jack will not lift high enough place additional blocking under the jack. Never put extenders for height between the jack saddle and the load. Stabilize the equipment. If the machine is self-propelled, place the transmission in gear or in the park position, and set the brakes. Block at least one of the wheels remaining on the ground. When lifting pull- type equipment, hitch it to a tractor drawbar to keep it in place. Always check the position of the jack after it has started to lift. If it leans, lower the jack and reset. Lift no higher than is necessary. Beware of the jack handle. Some mechanically operated jacks can pop up and kick when the load is lifted or lowered. Stand to one side while jacking equipment to avoid being struck by the handle. Never straddle a jack handle and always remove the handle when it is not being used. Support the load that is being jacked with blocks or stands. Never allow raised equipment to remain supported by jacks alone. Jacks can fail and tip, causing the equipment to fall unexpectedly. Place solid blocks or stands under the equipment immediately. Do not use cement or cinder blocks because they may shatter under the load. AGRICULTURAL SAFETY TOPICS JACkS

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