Removing stuck fasteners

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m (Corrosion removers: minor clean up)
m (Hot and cold: minor clean up)
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#While it's still red-hot, squirt it with water.
 
#While it's still red-hot, squirt it with water.
 
#Repeat the heating and cooling process again with the torch and water.
 
#Repeat the heating and cooling process again with the torch and water.
 
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*When using the "Hot and cold" method be sure to follow proper safety procedures, specifically:
When using the "Hot and cold" method be sure to follow proper safety procedures. Specifically:
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**Wear proper safety attire including welder's gloves and safety goggles.
 
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**As with any time you use any flammable ignition sources, have a fire extinguisher within arm's reach.
*Wear proper safety attire including welder's gloves and safety goggles.
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If you use any type of penetrating oils they should be removed thoroughly first, they tend not to let the water do its thing when the hot and cold method is used. Remember- heat, and '''then''' use the water. Do this several times.
*As with any time you use any flammable ignition sources, have a fire extinguisher within arm's reach.
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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.
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When using this method use this Hot and Cold method FIRST... If you use any type of penetrating oils, they tend not to let the water do its thing when the hot and cold method is used. Please remember heat, & then use the water... several times. I think the water becomes steam which has plenty of penetrating power to get in tight places. You never heard of penetrating oil engines, but everyone has heard of steam engines.
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*Too much heat will destroy the temper of the bolt.  Important bolts (brakes) should then be replaced with new as the untempered one if reused could fail.
 
*Too much heat will destroy the temper of the bolt.  Important bolts (brakes) should then be replaced with new as the untempered one if reused could fail.

Revision as of 14:45, 11 January 2013

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