How do you "un...
 

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[Closed] How do you "unloctite" a thread?

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 rob2
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So to stop my cranks unscrewing I was a little over zealous with the loctite. The right-hand crank is stuck fast into the bottom bracket. Any idea how to unloctite it? Put it in hot water?


 
Posted : 19/02/2011 4:29 pm
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What strength loctite did you use....medium strength should of been used. Pour some boiling water on it to soften it up then give it a tap with a rubber mallet to 'shock' the threads. You may hear a 'snap' as the loctite/ threads release from each other.


 
Posted : 19/02/2011 4:35 pm
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Blow torch if stuck fast as you'll need to get some heat in there. Be careful not to damage the cranks though!


 
Posted : 19/02/2011 4:36 pm
 rob2
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Yep medium. Thanks will do!


 
Posted : 19/02/2011 4:37 pm
 LoCo
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Heat.


 
Posted : 19/02/2011 4:44 pm
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Check carefully - some threadlock gets harder with heat. Its rare but it is out there to confuse you


 
Posted : 19/02/2011 4:44 pm
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We use heat guns at work, like the type you would use for removing gloss paint.

Tapping it or hitting it with a rubber mallet really will help.


 
Posted : 19/02/2011 4:45 pm
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Soldering iron. That's how to remove epoxied in ski binding mount screws. Heating's localised and you can crank it up slowly - heat, try and turn, heat some more.


 
Posted : 19/02/2011 4:48 pm
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or a hair dryer for a slightly safer option than a blow torch.


 
Posted : 19/02/2011 4:57 pm
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Excessively powerful soldering iron is the ideal tool IMO, lots of localised heat.


 
Posted : 19/02/2011 5:13 pm
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muscles


 
Posted : 19/02/2011 5:17 pm
 LoCo
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Heat gun


 
Posted : 19/02/2011 5:18 pm

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