Removing stuck fasteners
(→Hot and Cold) |
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==Hot and Cold== | ==Hot and Cold== | ||
+ | This method uses alternating heating and cooling. The resulting expansion and contraction is thought to break a fastener loose from the grip of rust. | ||
#With a welding torch, a hand-held propane torch, or a combination MAPP gas/oxygen torch kit, heat up a bolt head until it turns red. | #With a welding torch, a hand-held propane torch, or a combination MAPP gas/oxygen torch kit, heat up a bolt head until it turns red. | ||
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*As with any time you use any flammable ignition sources, have a fire extinguisher within arm's reach. | *As with any time you use any flammable ignition sources, have a fire extinguisher within arm's reach. | ||
− | When using the 'Hot and Cold Method', care should be taken | + | When using the 'Hot and Cold Method', care should be taken to ensure that only the bolt is heated. If the nut is heated and cooled, the nut will likely become seized tighter. |
==The heat and paraffin wax method== | ==The heat and paraffin wax method== |