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#16 KennyP ONLINE  

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Posted June 10, 2015 - 05:57 PM

I decided to see what condition the belt was in and found this.

2015-06-10 15.28.27.jpg

 

It's a three-speed! That's something I wasn't expecting!

 


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#17 TomLGT195 OFFLINE  

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Posted June 11, 2015 - 04:39 PM

That will come in handy!


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#18 KennyP ONLINE  

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Posted June 11, 2015 - 05:19 PM

Anybody outy there with electric motor experience? This one is failing to start at times, have to roll the pulleys some to get it to go. Is that the capacitor or what?


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#19 TomLGT195 OFFLINE  

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Posted June 12, 2015 - 07:32 AM

No motor guy, but I think so.


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#20 KennyP ONLINE  

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Posted June 12, 2015 - 10:19 AM

I have it on a roll around stand now. That raised it up 8" or so, but much easier to load now. I also made a holder for long pieces when the need arises.

2015-06-12 08.56.13.jpg     2015-06-12 08.56.24.jpg

2015-06-12 08.57.05.jpg     2015-06-12 08.57.29.jpg


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#21 holdenboy1960 OFFLINE  

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Posted June 13, 2015 - 07:01 AM

capacitor or brushes most  likely  


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#22 boyscout862 ONLINE  

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Posted June 13, 2015 - 07:26 AM

It may be that the centrifical switch that controlls the capacitor needs its points polished. I've never actually replaced a capacitor on an electric motor but I've polished the points on some. The points are closed when the motor is still. This allows the kick from the capacitor to help the motor get started. When the motor gets going the points open. I've found several saws where saw dust has gotten in between the points. If the points are burned the capacitor can't  help. Becarefull of getting bit by the capacitor, they can pack a wallop.

 

Check the points, bearings, commutator, and brushes while you've got it apart. If the motor needs a capacitor, Surplus Center has a wide variety. The best source of an electric motor is from a clothes dryer. The motors are two speed and you can make the base from some of the dryer frame and large screw type hose clamps. One of those has been on my drillpress for 35+ years. I wired a 3 way switch so that up is high speed, central position is off, down is low speed. Good Luck, Rick


Edited by boyscout862, June 13, 2015 - 07:27 AM.

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#23 KennyP ONLINE  

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Posted June 13, 2015 - 07:50 AM

Thanks! I am no electric motorwhiz, so I shy away from them. This has sat for most of it's life and the dust sounds plausable. May see if I can do something with it.


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#24 boyscout862 ONLINE  

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Posted June 13, 2015 - 08:15 AM

Thanks! I am no electric motorwhiz, so I shy away from them. This has sat for most of it's life and the dust sounds plausable. May see if I can do something with it.

I look at situations such as this as an opportunity to learn something new to me. It doesn't work, if you fubar it, it still wont work. Nothing to lose, an education to gain. Keep an eye out for an electric dryer. Good Luck, Rick

 

BTW those Tiawan motors were notorius for "burning up". They would get so hot that their insulation would melt, short out, and pop the circuit breaker. It happened to one of my brothers in the mid 80s.


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#25 JD DANNELS OFFLINE  

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Posted June 13, 2015 - 09:35 AM

[quote name="boyscout862" post="582883" timestamp="1434201337"]I look at situations such as this as an opportunity to learn something new to me. It doesn't work, if you fubar it, it still wont work. Nothing to lose, an education to gain. Keep an eye out for an electric dryer. Good Luck, Rick
 
BTW those Tiawan motors were notorius for "burning up". They would get so hot that their insulation would melt, short out, and pop the circuit breaker. It happened to one of my brothers in the mid 80s.[/quote

That is a fact. On mini-lathe.com(one of the mod sites I mentioned). Has a very ghrafic picture..,0f the damage from fire
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#26 KennyP ONLINE  

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Posted June 13, 2015 - 05:23 PM

It works to a point, so I am not going to go too far as yet. I pulled the back cover off today. Found some issues there. In the pic, the tan board is held on with 2 screws. One was about to fall out and the other was loose.

2015-06-13 09.49.45.jpg

 

Pulled the cover off the main wiring box on the motor and found this mess.

2015-06-13 10.11.36.jpg

 

Another of those screw together connections barely wrapped in tape.

2015-06-13 10.12.44.jpg

 

Found the wiring diagram rolled up in there. Smoothed it back out and glued it back into the lid.

2015-06-13 10.14.01.jpg

 

Got a new blade for it, an 18 tooth. Cuts pretty good but a still a bit off square, think this shaft may be the culprit there.

2015-06-13 16.02.18.jpg

 

Oh yes, the motor starts much better. And gets better as I use it. Blew a bunch of crap out of it. It's at the point of I may put out word I will do small fab and welding.


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#27 JBRamsey OFFLINE  

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Posted June 13, 2015 - 09:30 PM

I get my blades made at a local machine shop. Most big commercial saws have a blade welder on them. Talk to your local guy, he will probably make some for you. You might have too buy a roll of stock to get him to do it but you will get a better blade. If it doesn't have coolant running on the blade, rig something up. It increases blade life dramatically.
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#28 KennyP ONLINE  

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Posted June 14, 2015 - 04:16 AM

I get my blades made at a local machine shop. Most big commercial saws have a blade welder on them. Talk to your local guy, he will probably make some for you. You might have too buy a roll of stock to get him to do it but you will get a better blade. If it doesn't have coolant running on the blade, rig something up. It increases blade life dramatically.

1st pic in post 20 above shows a bracket just right of center that I think was for coolant. Don't have any of that, though.


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#29 KennyP ONLINE  

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Posted June 14, 2015 - 06:51 AM

I'm amazed at how fast it cuts through things. A 2" od pipe is less than a minute. May need to swap the belt around and slow it down.

I have a piece of 1/2" rod I am going to stick in that back pivot point and see if that will help it make a more square cut. if it does, then I'll order a piece of 1/2" shaft to fit there. It's not far off right now, but just enough to mess something up.


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#30 olcowhand OFFLINE  

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Posted June 14, 2015 - 06:59 AM

My saw is basically the same unit.  I use the HF blades, but keep spray can lube to give it a shot of lube every minute or so.  Blades do very well.  One time I bought a nearly $30 blade thinking it would do better, but my brother came up to saw something when I wasn't around & ruined the new blade.  I run the slow setting only.  Blades run cooler & last waaaay longer.


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