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Gear Pullers: Bench, Vise, Hydraulic, Posi Pullers
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Published: July 30, 2007
If there is one thing the fanatic gear head loves most, it is their toolbox. And what bonafide toolbox would be complete without a top quality set of gear pullers? The answer is none; without gear pullers, work on any vehicle's transmission or gear box is virtually impossible. Gear pullers are iron jawed contraptions used to extract and insert gears into their casings in automotive transmissions and engines.
Choosing between gear pullers can be difficult due to a variety of models and designs, all boiling down to sweat and effort saved. Finding the right gear puller, while still requiring a good amount of leg work, can cut down on the time and effort it takes to extract and fix gears.
Gear pullers are contraptions that allow for a remarkable amount of pulling force to be applied to gears or wheels, especially useful for when gears are flushed up against their shafts and good grip is virtually impossible. Most gear pullers have metal jaws or fingers fixed around the back edges of the gear and locked in place. With this vise-like grip intact, the incredible pulling force can be exerted thereby extracting the gear from its casing.
Manual gear pullers involve the most physical force, coming mainly in two or three jaw designs. These can be bench mounted for stabilization or affixed by hand. Either way, the center bolt must be secured first followed by the jaws before a gear can be properly pulled. Aside from the jaw design, there are bolt gear pullers that only fit gears with the proper surface threading. These are more suited for pulling in tight spaces as the jaws tend to get in the way if the gears are mounted near any other inhibiting surface.
Vise gear pullers (usually braced by a bench) utilize screw leverage in order to extract gears, turning and pulling one end out as opposed to a traditional vise that squeezes two ends together. For the least taxing pull job, there are hydraulic gear pullers. These tools use pressurized pistons to supply the pulling force, thereby extracting gears with the least bit of manual labor possible. There are also the posi lock gear pullers, posi standing for positive traction or rear differential units that apply power to the wheels. The posi lock puller employs a specialized T-handle locking mechanism that secures the jaws in place, thereby ensuring a safe, powerful pull every time.
Next time gear pulling becomes necessary, make sure the proper gear pullers are available in the toolbox. Remember to exercise caution when pulling gears as the immense amount of force involved can result in injury. But be sure to research the different styles and designs of gear pullers to find the one right for the job. Then screw in that center bolt, snap down those jaws, and start pulling!
Sources:
Manual Puller Sets. 2003. Posi Lock.com. 18 July 2007. http://www.posilock.com/Manual/manual_intro.htm.Mikebert. Gear Puller. Everything2.com. 27 April 2007. The Everything Development Company. 18 July 2007. http://everything2.com/?node_id=1345694.
Braun, Gregory. "Slot Car Tools." 2007. HOS Slot Car Racing.com. 18 July 2007. http://www.hoslotcarracing.com/Tools.html.
Hydraulic Gear Puller. Global Sources.com. 2007. Trade Media Holdings Ltd. 18 July 2007. http://juli.manufacturer.globalsources.com/si/6008 823110120/pdtl/Hub-puller/1003293324/Hydraulic-Gea
Gear pullers are contraptions that allow for a remarkable amount of pulling force to be applied to gears or wheels, especially useful for when gears are flushed up against their shafts and good grip is virtually impossible. Most gear pullers have metal jaws or fingers fixed around the back edges of the gear and locked in place. With this vise-like grip intact, the incredible pulling force can be exerted thereby extracting the gear from its casing.
Manual gear pullers involve the most physical force, coming mainly in two or three jaw designs. These can be bench mounted for stabilization or affixed by hand. Either way, the center bolt must be secured first followed by the jaws before a gear can be properly pulled. Aside from the jaw design, there are bolt gear pullers that only fit gears with the proper surface threading. These are more suited for pulling in tight spaces as the jaws tend to get in the way if the gears are mounted near any other inhibiting surface.
Vise gear pullers (usually braced by a bench) utilize screw leverage in order to extract gears, turning and pulling one end out as opposed to a traditional vise that squeezes two ends together. For the least taxing pull job, there are hydraulic gear pullers. These tools use pressurized pistons to supply the pulling force, thereby extracting gears with the least bit of manual labor possible. There are also the posi lock gear pullers, posi standing for positive traction or rear differential units that apply power to the wheels. The posi lock puller employs a specialized T-handle locking mechanism that secures the jaws in place, thereby ensuring a safe, powerful pull every time.
Next time gear pulling becomes necessary, make sure the proper gear pullers are available in the toolbox. Remember to exercise caution when pulling gears as the immense amount of force involved can result in injury. But be sure to research the different styles and designs of gear pullers to find the one right for the job. Then screw in that center bolt, snap down those jaws, and start pulling!
Sources:
Manual Puller Sets. 2003. Posi Lock.com. 18 July 2007. http://www.posilock.com/Manual/manual_intro.htm.Mikebert. Gear Puller. Everything2.com. 27 April 2007. The Everything Development Company. 18 July 2007. http://everything2.com/?node_id=1345694.
Braun, Gregory. "Slot Car Tools." 2007. HOS Slot Car Racing.com. 18 July 2007. http://www.hoslotcarracing.com/Tools.html.
Hydraulic Gear Puller. Global Sources.com. 2007. Trade Media Holdings Ltd. 18 July 2007. http://juli.manufacturer.globalsources.com/si/6008 823110120/pdtl/Hub-puller/1003293324/Hydraulic-Gea
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