[Healeys] Looking for ideas

[Randy Dickson]

Fellow Healeyoids!  I wonder if you could weld a nut bolt combo to the shackle pin and use a slide hammer to pull it out whilst using heat and quenching with ice water or dry ice.

 

Randy 

60 BT7

63 BJ7

 

 

From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of Curtis Arndt
Sent: Friday, June 26, 2015 12:39 PM
To: Michael Salter
Cc: Healeys at autox.team.net
Subject: Re: [Healeys] Looking for ideas

 

Micheal,

My short article on removing broken studs from Manifolds...

Removing Broken Studs from Cast Iron Manifolds

 

This is method that I use to remove broken bolts and studs from cast iron exhaust manifolds. With a broken stud in a manifold, as long as I can get a small pair of long nose locking pliers onto the screw, bolt or stud then the rest is typically easy, if you are patient.

  

I heat only the exposed stud or bolt with a torch to cherry red and then shock cool it with a wet rag, followed by some penetrating solution like "Kroil" or "PB Blaster".  Then I carefully clamp the needle nose locking pliers on the end of the exposed stud and GENTLY rock it back and forth ever so slightly.  If you get any movement whatsoever back and forth the rest will come, if you're patient.  Repeat the heating and shock cooling process followed by the locking pliers as many times as it takes.  With patience and luck the broken stud will progressively unscrew a bit farther with each application of heat and penetrating oil until it will unscrew all the way.  

 

I did this recently with a BJ8 Manifold where 7 of the 8 studs were frozen and/or broken off.  Some of them had just ¼” of stud proud of the manifold.  All seven came out using this process.

 

This process may work on an aluminum manifold IF and ONLY IF you are careful not to use too much heat near the aluminum. 

 

 

On Fri, Jun 26, 2015 at 2:52 AM, Michael Salter <michaelsalter at gmail.com <mailto:michaelsalter at gmail.com> > wrote:

Thanks to all for the good ideas some I have already tried without success....Looks like cutting and drilling is to be the order of the day..unfortunately those pins are case hardened which won't make things easier.

If all else fails new brackets..

Michael S

BN1 #174

 

On Thu, Jun 25, 2015 at 5:42 PM, Michael <michael.salter at gmail.com <mailto:michael.salter at gmail.com> > wrote:

I left the seized shackle pins in both sides of this BN1 when it went off to TechnoStrip in the hope that they would come loose.
They didn't so I've spent an inordinate amount of time trying to extract them without wreaking the mounts on the frame.
Made a special puller, applied loss of heat, drilled right through each bush, grumbled a lot but they will not move despite being subjected to massive amount of force.
Any ideas...damaging the mounts in the chassis makes for a very tedious repair.
Michael S.
BN1 #174




-- 

If you can't fix it with a hammer, you've got an electrical problem.






 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/healeys/attachments/20150626/8f09ebc5/attachment.html>