TM 9-243USING A RATCHET LEVER JACK1 The operator should familiarize himself with thejack, its capabilities and its operations. The revers-ing lever (1) is located below the lifting mechanismcover (2) on the left side of jack when viewed fromthe lifting lever. When preparing to lift a load, thehead (3) can be pulled up by hand to meet the load.2To raise a load, pull reversing lever up and towardthe operator and operate the lever (4). The jack willraise the load one notch for each lever downstroke.The rack (5) cannot be ratcheted out of the base, asit is designed to stop when raised to its top limit.3To lower a load, push reversing lever to straight-down position and operate the lever. The jack willlower the load one notch for each upstroke of thelever.4When the head of the five-ton jack is not supportinga load, the rack can be allowed to fall free by pres-sing the reversing lever all the way to the rear andslightly lifting up on the lifting lever. The rack will notfall free if even a slight load is still on the head.20-6
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