Electric motor help

[Jon Vadney]

Hey guys...I have a question for the more mechanically inclined: What do you think is causing the rattling sound and that loud "hum" sound with my rod lathe motor?  I don't feel like dropping $125 on a new one if there is a quick fix.

[Keta]

The bearings are toast and the brushes will be soon.  Some can be rebuilt.  Send me the specs on the motor and I will see if I can find a better source, it looks like a Dayton motor.

[Dominick]

Jon I used to rebuild electric motors.  It is too long to type out an explanation.  It is easy though.  Check the tutorials on youtube.  Dominick

[Keta]

Jon I used to rebuild electric motors.  It is too long to type out an explanation.  It is easy though.  Check the tutorials on youtube.  Dominick

Cool, a motor repairman/lawyer!  I have had trouble with brushes on small motors.

[Jon Vadney]

Hey Dom, I've looked online and I don't find anything specific to this motor.

It's a Dayton 2M037A Lee.  Thanks!

[Keta]

Hey Dom, I've looked online and I don't find anything specific to this motor.

It's a Dayton 2M037A Lee.  Thanks!

HP, shaft size and RPM?

[Keta]

Never mind, got it.  It looks like it is a unique frame and you will be limited to that motor.

$103.58
http://www.walmart.com/ip/DAYTON-2M037-Universal-AC-DC-Motor-1-10hp-8000-RPM-115V/41235173?reviews_limit=10&

[Jon Vadney]

Yeah...The cheapest I could find is walmart.   

[Keta]

  x2

[Tightlines667]

The ALPS and Custom wrapper (your old one as a matter of fact, Jon) seems to be a more common size used in sewing machines.  It is almost half that price for a new one. 

BTW Jon,

I modified your old custom (or Clemens to marry to the Alps chuck upgrade, and added a drying motor...

[mikeysm]

It sounds like the motor is phasing out. The brushes are probably gone and the bearings are on their way out. That is a sewing machine motor by the looks of it. By the time you find the parts it would be cheaper to buy a new one.

[Bryan Young]

You could use any sewing machines motor...even finding a used sewing at a thrift shop would do. Maybe a lot cheaper too. In the meantime, try calling Pauline to see if she is done with my wrapper. You can take my motor assembly until you find a replacement. 

[oc1]

W.W. Grainger has the brushes.  $18 for twelve of them but you only need two.  They also offer brush springs which may indicate that the springs are problematic in this motor. I'd first stretch the existing springs to see if that helps before buying anything.  Scroll down to "related products" here.
https://www.grainger.com/product/DAYTON-1-10-HP-Universal-AC-DC-Motor-2M037?s_pp=false&picUrl=//static.grainger.com/rp/s/is/image/Grainger/2M037_AS01?$smthumb$
Sometimes brushes can make a rattling sound if they do not have enough spring pressure and they start arching.  The brush gets shorter as it wears until the contact is no longer firm.

Like Lee says, it's more likely the rattling and hum is from the bearings though.  Everyone here knows where to find small bearings but they may be pressed and dimpled into place and difficult or impossible to remove.  If you can open the housing you can probably repack the bearings.  Did you try putting a few drops of oil on each end of the shaft where it protrudes from the housing?  You might get lucky as sometimes the rotating shaft will pull oil into the bearings.   You may be able to oil the bearings through the vent holes too.  
-steve

[Reel 224]

Jon: My two cents. If the Armature bushings are worn as some have said, that would cause a fluctuation in motor speed because the clearance between the armature and stater are to close. The rattling could be worn brushes. In any case it would seem much cheaper to invest in brushes and see if that helps, also you could take the motor off of the machine and feel if the shaft has any side to side play. I hope this helps somewhat.

Joe   

[mikeysm]

Take it apart first misplace half the parts and go buy a new motor. In the end he will be money ahead.

Mike