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- - seized bolt + more (http://forums.sv650.org/showthread.php?t=102418)

hovis

07-01-08 01:36 PM

Re: seized bolt + more

Quote:

Originally Posted by yorkie_chris (Post 1380146)

Possibly, depends how well you can localise the heat (well, lack of)

Or you could pour warm water down the shock to keep the bolt fairly warm.

I've never tried this, so it could be a completely hair brained scheme.

If you did shatter the bolt, then at least it would be free!

i would be a tad worried about damaging shattering the swing arm?

yorkie_chris

07-01-08 03:33 PM

Re: seized bolt + more

Thats why any heat or cold you use has to be localised to the bit itself.

Did it slide in snug or is it twisted into the head of the bolt? If its not locked itself in then maybe a strong magnet and knocking it about with a punch will get it out?

When you get the broken allen bit out of the head then I'd try some loctite freeze and release spray as close to the threads as you can get, mabe down the back of the shock bushing.

hovis

07-01-08 05:00 PM

Re: seized bolt + more

Quote:

Originally Posted by yorkie_chris (Post 1380264)

Did it slide in snug or is it twisted into the head of the bolt? If its not locked itself in then maybe a strong magnet and knocking it about with a punch will get it out?
.

its twisted in pretty good

yorkie_chris

07-01-08 06:31 PM

Re: seized bolt + more

Can you un-twist it with a punch?

If so then it might come free easily.

tactcom7

07-01-08 07:03 PM

Re: seized bolt + more

Lots of cobalt drill bits and even more patience!
Then an easyout stud extractor.

yorkie_chris

07-01-08 07:06 PM

Re: seized bolt + more

Which are harder than any easily obtainable drill bit, so you'd better not break one.

If the allen bit was too weak to undo it, then an easy out will either round out or break before the threads let go.

Or are you meaning just to get the allen bit out? If you do that then you can start again with other methods and less brutality!

tactcom7

07-01-08 07:09 PM

Re: seized bolt + more

Yeah just to get the bit out sorry, it may come out itself if the drill bit grips and twists the allen bit clockwise. We have a locker at work with sizes from about 1mm to 9 or 10mm if you're after one ;)

hovis

07-01-08 07:11 PM

Re: seized bolt + more

Quote:

Originally Posted by yorkie_chris (Post 1380413)

Can you un-twist it with a punch?

If so then it might come free easily.

i think not............. the swing arm is now off, my mate the aircraft enginer is taking it to work tomorrow, looks like i will be needing a new bolt

tactcom7

07-01-08 07:12 PM

Re: seized bolt + more

Quote:

Originally Posted by hovis (Post 1380457)

i think not............. the swing arm is now off, my mate the aircraft enginer is taking it to work tomorrow, looks like i will be needing a new bolt

Hovis does he work at St Athan by any chance?

hovis

07-01-08 07:15 PM

Re: seized bolt + more

Quote:

Originally Posted by tactcom7 (Post 1380459)

Hovis does he work at St Athan by any chance?

no....... Nantgarw (caerphilly)

G.E.A.E.S. formaly known as british airways

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