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Hydraulic-Operated Scissors Jack
Fixing flat tires isn’t much of a problem for Gary Bergfeld since he came up with an offset jack that works somewhat like an ordinary scissors car jack, but operates off tractor hydraulics.
“It’s a handy, quick and easy way to jack up a tractor or wagon in order to change a flat tire,” says Bergfeld. “It u
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Hydraulic-Operated Scissors Jack TIRES/WHEELS Handling Fixing flat tires isn’t much of a problem for Gary Bergfeld since he came up with an offset jack that works somewhat like an ordinary scissors car jack but operates off tractor hydraulics “It’s a handy quick and easy way to jack up a tractor or wagon in order to change a flat tire ” says Bergfeld “It uses an ordinary hydraulic cylinder to do the lifting ” The cylinder forms the bottom side of a triangle and acts on a pair of lift arms that form the other 2 sides The lift arms made from 1 by 2 1/2-in sq stock ride inside slots in the jack’s base as they go up or down One lift arm is about 2 in longer than the other and has a welded-on steel plate on top that supports the tractor or wagon Its bottom end is welded to a metal bracket that’s attached to the cylinder’s yoke A 1-in dia steel pin that goes through the bracket forms a pivot point for the lift arm “It’ll lift 4 to 5 tons and is a whole lot easier to use than pumping a bottle jack by hand ” says Bergfeld “I’ve used it on my New Holland TS115A 115 hp tractor and also on my New Holland 215 tractor equipped with dual wheels The jack weighs only about 50 lbs “I’ve made some jacks with 20-ft long hydraulic hoses so if I’m pulling a wagon that gets a flat tire I can use the tractor to operate the jack without unhooking I added a safety chain in case a hydraulic hose should ever break “One advantage is that the jack sits only about 8 1/2 in above the ground which is low enough to fit under a skid loader Most bottle jacks are 12 in above the ground ” Bergfeld sells the jacks for $250 and up depending on the length of hose He says he’s looking for a manufacturer You can see the hydraulic-operated jack in action at www farmshow com Contact: FARM SHOW Followup Gary Bergfeld 15774 Prairie Creek Rd Peosta Iowa 52068 ph 563 542-3250; bootlegger@bernardtel com
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