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Perkins Exaust Cooler
10-29-2005, 02:36
Post: #2
Perkins Exaust Cooler
I have not done it ........YET. Mine is still in nice shape. However
if I were going to do it I would use the method that has always
worked for me on other connections like this.

Here is the procedure I use that has worked for me on some very tough
rusted connections like you describe.

1. Clean the connection with a wire brush (I use a circular one that
fits my high speed die grinder) and get as much rust off the fittings
where they go together. This gives the solvent ( PB blaster) the best
chance to penetrate the connections.

2. If you have a small propane torch (I find that my acetylene torch
is better) heat up the joint good (the outer connection) so that it
expands a little. Then spray the PB blaster on it at the same time
rapping it gently with a ball peen hammer. Don't get aggressive with
it, its not necessary.

Do this a few times and try to get the connection to come loose each
time but DON'T use a lot of force. Gently do it and it will come loose.

Tom Warner
1982 FC35
Vernon Center,NY

At 10:22 AM 10/29/2005, you wrote:
>Has anyone ever removed the four bolts that hold the exaust to the
>unit? We need to replace the exaust but am afraid that removing them
>could open us up for another big problem. The threaded pipe used is so
>rusty it is not possible to take it apart in peices like it should be.
>Might have to cut it near the cooler and try and unthread the peice
>that goes in to the cooler?
>Thankyou for any help!
>Jeff & Michelle August
>1980 FC35RB
>Plymouth Wi
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Messages In This Thread
Perkins Exaust Cooler - Jeff August - 10-29-2005, 02:22
Perkins Exaust Cooler - Tom Warner - 10-29-2005 02:36
Perkins Exaust Cooler - Shawn Fountain - 10-31-2005, 06:59



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