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Sometimes lightly tapping on the bolt with a hammer can cause some of the material that binds the bolt to break loose. Don't get too energetic though, you can cause damage. Next step, apply a little heat to the nut or whatever the bolt is attached to. Try to keep the bolt a little cooler than the nut so that the nut will expand slightly more than the bolt.

There are conical remover bits that you screw counter clockwise into a hole drilled in the center of the bolt that will loosen many problem bolts. You will need to replace the bolt if you are to put your machine back together.

After that, get a grinder or hacksaw and plan to replace the bolt.

ANS 2 - Many bolts like this will come loose with an air impact wrench. Try this with a proper impact socket.

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โˆ™ 2012-09-24 19:53:06
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Q: If the bolt you have to loosen wont loosen what do you do next to loosen the bolt?
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