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Old 03-31-2011, 01:28 PM   #1
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Default Leeson Motor Parts

Anyone have a source for motor rebuild parts? I have a 5HP 1PH 230 volt leeson motor(old) that needs a new spring on the start switch(centrifugal in the end bell). Searched the web, called Lesson and no luck so far.
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Old 03-31-2011, 01:30 PM   #2
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Might not even be worth searching for when you can slap a solid state little cube in there and calll it done.
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Old 03-31-2011, 02:00 PM   #3
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Anyone have a source for motor rebuild parts? I have a 5HP 1PH 230 volt leeson motor(old) that needs a new spring on the start switch(centrifugal in the end bell). Searched the web, called Lesson and no luck so far.
I think a motor repair/rewind shop would have what you need. Or at least the whole new centrifugal switch.
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Old 03-31-2011, 04:14 PM   #4
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Might not even be worth searching for when you can slap a solid state little cube in there and calll it done.
That is what I was gonna recommend. You waste less time hunting for parts that way.
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Old 03-31-2011, 05:31 PM   #5
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I am not familiar with the cube Marc and Larson speak of. And I would like to know more. I am asking?
OP. Your best bet is with the distributor not Leeson. Leeson is built in China. Go to Leeson's website and find a local distributor. They can help you. Thats what they do.

Marc or Larson..........How about some info on this cube. Does it eliminate the centrifugal switch? And how. Link? I have been out of the motor business for almost 7 years now and I am lagging behind badly. Thanks in advance.
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Old 03-31-2011, 05:48 PM   #6
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They are pretty much just a solid state relay that drops out the start winding after a delay.

http://www.carbonbrush.com/macrostart.htm
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Old 04-01-2011, 02:57 AM   #7
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I am not familiar with the cube Marc and Larson speak of. And I would like to know more. I am asking?
OP. Your best bet is with the distributor not Leeson. Leeson is built in China. Go to Leeson's website and find a local distributor. They can help you. Thats what they do.

Marc or Larson..........How about some info on this cube. Does it eliminate the centrifugal switch? And how. Link? I have been out of the motor business for almost 7 years now and I am lagging behind badly. Thanks in advance.
Larson gave you the link to the Macrostart brand. I forget what brand I use, but it's different. Looks identical, though. Sinpac, maybe. They're also an excellent solution for motors with centrifugal starters that start very often and burn out the switch. The solid state thing is bulletproof.

EDIT...just remembered that Mars makes one too, but I can't find it on the net.
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Last edited by MDShunk; 04-01-2011 at 02:59 AM.
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Old 04-01-2011, 03:01 AM   #8
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Originally Posted by John Valdes View Post
I am not familiar with the cube Marc and Larson speak of. And I would like to know more. I am asking?
OP. Your best bet is with the distributor not Leeson. Leeson is built in China. Go to Leeson's website and find a local distributor. They can help you. Thats what they do.

Marc or Larson..........How about some info on this cube. Does it eliminate the centrifugal switch? And how. Link? I have been out of the motor business for almost 7 years now and I am lagging behind badly. Thanks in advance.
Damn. I think they used to be built in England. The whole world is going to the dogs, oops, I mean the Chinese..........
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Old 04-01-2011, 03:07 AM   #9
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Damn. I think they used to be built in England. The whole world is going to the dogs, oops, I mean the Chinese..........
They're still a respectable motor, however, in my mind.

I do a lot of dairy work for some reason, and a lot of the dairy OEM's use a lot of Sterling Electric brand motors (every spec of them is stainless steel). They're made in China too, but they're a fine motor. Better be... they're about a grand per horsepower in all stainless.
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Old 04-01-2011, 06:26 AM   #10
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I think a motor repair/rewind shop would have what you need. Or at least the whole new centrifugal switch.
They still have those? I was told that it is just cheaper to get a new motor and sell the old one as scrap.
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Old 04-01-2011, 09:18 AM   #11
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They still have those? I was told that it is just cheaper to get a new motor and sell the old one as scrap.
Read post #9, scraping a 5hp motor that's $1000 to $5000 bucks is not smart. Then you can get into the quality issue with older motors being built better.
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Old 12-13-2016, 08:44 PM   #12
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We actually recieved a replacement Leeson motor at work with a solid state switch installed. They are available from a number of companies and incredibly simple to install and not expensive. There is no reason not to use one as a replacement for a mechanical switch, even if one is available. There are four leads on a little module that sits outside the motor and may even fit in the terminal box. Two wires connect where the centrifugal was connected. The other two wires go in series with the motor. The connections in series with the motor, inside the module, are the primary of a current transformer. It is just a couple of turns of heavy wire that has virtually no effect on the motor. The module must match the motor size This could not be easier. Take the motor current rating off the plate and select the right module from a chart. The way it works is that it monitors motor current. As we all know, motors pull a lot of current when they start. This high current triggers a triac, a solid state switch rhat replaces the centrifugal switch. As soon as the current drops the solid state switch opens. No springs to break, no weights and no contacts to get pitted.


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Old 12-14-2016, 10:37 AM   #13
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They still have those? I was told that it is just cheaper to get a new motor and sell the old one as scrap.
It depends on how expensive the motor is and what is wrong. Small single phase motors have problems with the caps or centrifical switches and they can be cheap to have fixed. You aren't going to want to have a small one rewound unless it is an odd style.
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Old 12-14-2016, 10:51 AM   #14
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It depends on how expensive the motor is and what is wrong. Small single phase motors have problems with the caps or centrifical switches and they can be cheap to have fixed. You aren't going to want to have a small one rewound unless it is an odd style.
Who was talking about rewinding a motor. If you can't replace a capacitor or even replace a centrifigal switch maybe you shouldn't be messing with motors. No fractional horse motor is anywhere as cheap as a capacitor that is not even inside the motor housing. If it is not in your skill set, by all means buy a new motor.

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Old 12-14-2016, 07:53 PM   #15
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Hi hack.
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Old 12-14-2016, 11:38 PM   #16
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Did you write that all by yourself?

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Old 12-15-2016, 01:54 PM   #17
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Hi funk!
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