[NSRCA-discussion] Himax 6330 rebuild

[Verne Koester]

If the motor is demagnetized (usually caused by overload and/or overheating)
the amp draw will increase dramatically. Of course to know that, you have to
have a baseline amp draw from when the motor was new to compare it to. What
you're describing sounds like your old motor was demagnetized. You could try
comparing the amp draw on your old motor with the amp draw on your new one.

 

Hope this helps.

 

Verne Koester

 

From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Patrick
Harris
Sent: Thursday, May 02, 2013 1:57 PM
To: jpavlick at idseng.com; General pattern discussion
Subject: Re: [NSRCA-discussion] Himax 6330 rebuild

 

Just last week I had to replace a 210. It was getting so hot you couldn't
touch it. It was putting such a load on the Jeti that it shut down in the
air. The bearings feel fine, so it may be the magnets. Can magnets cause
this to happen?. Oh and a year or so ago I did replace the shaft in mine and
it had just a hair of end play.

 

 

 

On Thu, May 2, 2013 at 10:13 AM, John Pavlick <jpavlick26 at att.net> wrote:

You had to rebuild an electric motor? I thought they never wore out (which
is why they're better than glow engines). LOL

 

Seriously, how long do magnets last in these big motors (if you're careful
about heat + current draw)? Does anyone offer a "magnet-zapping" service?

 

John Pavlick

Cell: 203-417-4971

 

Integrated Development Services

 

From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Kirk
Sutherland
Sent: Saturday, April 27, 2013 11:14 AM
To: NSRCA
Subject: [NSRCA-discussion] Himax 6330 rebuild

 

I have rebuilt a Himax 210 . When I  replace the retaining bolt in the back
how much end play should the can have in it when moved front to back ?
 
Thanks Kirk
 
 

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