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How to remove these bolts

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How to remove these bolts

Old 12-01-2019, 12:33 PM
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Default How to remove these bolts

A few broke loose , majority not budging

heat ?
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Old 12-01-2019, 12:43 PM
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Heat and try some penetrating oil
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Old 12-01-2019, 12:47 PM
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heat most likely locktited....
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Old 12-01-2019, 01:09 PM
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if you have the socket allen wrench instead of a regular on heat it a little like others have said and also with the socket installed in the head of the bolt hit the socket with a hammer a few times and try to rock it back and forth as in loosen-tighten-loosen-tighten-etc. If they are locktited the hammer whack will break it free a lot of times along with the rocking
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Old 12-01-2019, 01:17 PM
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Try one of these with proper hex socket, maybe add heat.

https://www.harborfreight.com/6-bit-...ase-64812.html
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Old 12-01-2019, 01:22 PM
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I would try Pb Blaster, works well for me spray...wait.. spray...shock....loosen. If not heat it
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Old 12-01-2019, 01:31 PM
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If heat don't work you can use a air hammer adapter. Like a mac AH5512. Run the air hammer while putting steady pressure with end wrench.
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Old 12-01-2019, 01:45 PM
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Lubes/sprays don't help. They can't get in between the two surfaces. It's the surface area of the conical head that makes the two pieces stick to each other.

The people who have said heat are totally correct.

I deal with a bunch of these every winter on snowmobile secondary clutches. Conical headed screws into aluminum also.

A regular old benzamatic blue torch makes quick work of them. Somewhere near 60 seconds each on the head of the screws will make them real easy to get out. Once you do a few the rest will be even easier as you get the torch time more dialed in.
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Old 12-01-2019, 03:04 PM
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Thanks to the all of you , that is what I was thinking , heat.

Thanks again.
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Old 12-01-2019, 03:09 PM
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This penetrating oil creeps into a millionth of an inch. Works great. Google Deal Google Deal
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