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Re: (ET) Loose magnets
There actually is a product made for attaching electric motor magnets, and it is not JB Weld. You can probably use almost any epoxy that will hold up to the temperatures, but also needs to hold up to shear force and vibration. Cleanliness is key to the whole process. Just make sure you put them in the same direction they came out, one at a time. And for Pete's sake, use clamps to hold them in place. The ratcheting hand clamp Quik-Grips are fairly cheap and an extremely handy tool.
Good Luck,
Chad
Sent from my Virgin Mobile Android-Powered Device
----- Reply message -----
From: "Robert" <euclid delhitel net>
To: <elec-trak cosmos phy tufts edu>
Subject: (ET) Loose magnets
Date: Thu, Jun 6, 2013 8:55 am
I haven't done these motors specifically but I've done this type of repair.
Use JB Weld (you can get it at most auto parts stores). JB Quick Weld will
probably too work but be aware that it doesn't have as high a temp range.
Carefully rough up the back of the magnet with a grinder to give the
adhesive a good surface to adhere to, also make sure it's clean. Put the
magnet in place and stuff newspaper into the casing to hold it until it
cures (24 hours).
Rob
----------------------------------------------------------------------
Message: 1
Date: Thu, 06 Jun 2013 00:53:38 -0400
From: David Tiefenbrunn <davidtief comcast net>
To: jim <jiminwis yahoo com>
Cc: "elec-trak cosmos phy tufts edu" <elec-trak cosmos phy tufts edu>
Subject: Re: (ET) Mower deck motor repair questions
Message-ID: <51B015D2 5050500 comcast net>
Content-Type: text/plain; charset=windows-1252; format=flowed
On 6/5/2013 10:00 AM, jim wrote:
> I have one motor that worked fine until one of the magnets came loose.
> Has anyone figured out a method to re-install or re-glue the magnet into
> the motor shell? Kind of adhesive, method of positioning the magnet etc?
>
A very long time ago, I re glued one or 2. I probably used epoxy. Use
wood blocks & shims to press them into place.
--
David Tief. N1WWY Zumba? Instructor
Web page at: http://home.comcast.net/~davidtief/index.html
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End of Elec-trak Digest, Vol 11, Issue 108
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