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Thread: Tutorial showing how to work on a Singer motor?

  1. #1
    Super Member Christine-'s Avatar
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    Question Tutorial showing how to work on a Singer motor?

    Is there a tutorial or video showing how to work on a Singer motor? I'm replacing the wiring and while I'm in there I'd like to clean out the old grease in my 201, 15-91 and 66-15. I've searched a few places but not having any luck. Can someone point me in the right direction?

    I'm mechanically inclined... I replaced the gaskets on the valve covers on my John Deere a couple months ago. Can do minor repairs on a car engine (replace brakes, alternator, starter, fuel injectors, plugs, that sort of thing) so I'm sure I can handle a sewing machine motor. I'd rather not go into the motor blindly that's all.
    Last edited by Christine-; 07-28-2012 at 06:00 PM.
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  2. #2
    Super Member ArchaicArcane's Avatar
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    This is the one I followed to rewire my 15-91. Should work for the others as well.


    Hah! I bet the link would help.

    http://vssmb.blogspot.ca/2012/01/com...ted-motor.html

  3. #3
    Power Poster miriam's Avatar
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    In case anybody is interested, Glenn is coming to my shop next weekend and we are going to mess with wiring problems. I have a hundred or so machines in dire need. You wouldn't even have to bring your own machine... PM if interested.
    NEVER let a sewing machine know you are in a hurry.
    good mothers let you lick the beaters - great mothers turn it off first

  4. #4
    Super Member Christine-'s Avatar
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    Thank you! That's the tutorial I need!
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  5. #5
    Super Member purplefiend's Avatar
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    Quote Originally Posted by miriam View Post
    In case anybody is interested, Glenn is coming to my shop next weekend and we are going to mess with wiring problems. I have a hundred or so machines in dire need. You wouldn't even have to bring your own machine... PM if interested.
    I'll hop on the transporter pad with my Singer 306W and I'll come for the wiring tutorial.
    Sharon W.

  6. #6
    Power Poster miriam's Avatar
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    I wish we could get Muv to show up with her video and sweet explanations... I'm going to try to get as many pics as I remember to do. Some times I get so absorbed I forget. Pat and Glenn are coming Saturday!!! I'm so excited. We are going to show them some of the local spots - well, hit up all the junk stores and mess around in the shop. I need to spend a week in there cleaning... I can't lift anything - I hurt my shoulder... Probably stay up all night talking like we did at Glenn's house. Anyway, Skip has been holding out on us. Pat says his job in the military was to rebuild/repair small machinery. She says he is very good at showing how it is done and she says he LOVES an audience. HHHMMMMM. Pat knows him better than we do.
    NEVER let a sewing machine know you are in a hurry.
    good mothers let you lick the beaters - great mothers turn it off first

  7. #7
    Super Member Christine-'s Avatar
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    One more question... the motor on my 201 doesn't have the typical motor brush caps. The machine was made in Canada, but someone put a 110 volt motor on it, made in New Jersey. I'm hesitant to take the motor apart until I can see photos or a video of what it looks like inside. The grease cups tell me where the brushes are located but I need to take the motor apart in order to reach them. Any suggestions?

    Here's a photo:
    Name:  motor.jpg
Views: 1607
Size:  94.1 KB
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  8. #8
    Super Member J Miller's Avatar
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    Christine,

    That motor is made out of Bakelite. If you twist it, drop it, hit it, or otherwise abuse it you will have a broken mess.
    All of the wiring comes out the bottom of the motor into the little box formed by the motor mount where the two screws hold it together. The wiring is held together by those twist nuts. Very cramped, but if you follow the pattern from the old wiring you can rewire it.

    If that motor is running I see no reason to take it apart. I rewire them from the bottom out if needed, but if they are running I lube them with Singer Motor Lube and leave them alone.

    Here is what those motors look like inside.


    Yours is held together with two screws from the pulley end I think, this one was held together with a snap ring on each end. But inside I think they are similar.

    Joe

  9. #9
    Super Member Christine-'s Avatar
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    Thanks Joe! I haven't plugged this machine in yet, the wiring is in really bad shape. I don't know if the motor runs or not, but am assuming it's a good motor.
    I was planning on replacing all the wiring on this machine EXEPT for the 2 wires coming out of the motor. They are the only wires in good shape. Bare copper is showing on all the other wiring.
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  10. #10
    Super Member J Miller's Avatar
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    Christine,

    Then you're good to go. You've probably got smaller fingers than I do so you'll not have as much trouble as I did.
    I also have some wiring diagrams for that motor if you need them.

    Oh, if that machine hasn't been run in a long time the motor will smoke and stink the first time you use it. Just ignore it and keep going. Mater of fact I've had more than one person tell me to take the belt off and run the motor at full speed until it cleans itself out. Done that a couple times with good results.

    Joe

  11. #11
    Super Member Christine-'s Avatar
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    Wow, I ordered wiring, plugs, etc. from Sew Classic and 3 hours later received "Your item has been shipped" email. Cool!
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  12. #12
    Power Poster miriam's Avatar
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    Quote Originally Posted by Christine- View Post
    Wow, I ordered wiring, plugs, etc. from Sew Classic and 3 hours later received "Your item has been shipped" email. Cool!
    I like ordering from Jenny. She is really nice. Did you know she has free shipping if you buy lots of stuff?
    NEVER let a sewing machine know you are in a hurry.
    good mothers let you lick the beaters - great mothers turn it off first

  13. #13
    Super Member Christine-'s Avatar
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    Quote Originally Posted by Christine- View Post

    Here's a photo:
    Name:  motor.jpg
Views: 1607
Size:  94.1 KB
    Is felt supposed to be in the grease ports of a Singer motor? My grease ports are solidly packed with felt! I thought they were for grease? Aren't felt packed ports made for oil?
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  14. #14
    Super Member ArchaicArcane's Avatar
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    Yes,.. they're called "grease wicks", they're supposed to "wick" the grease down to the bearings slowly.
    http://vssmb.blogspot.ca/2011/12/how...r-part-10.html

    I did find that in my 15-90, they weren't doing their job though... how do yours look?

  15. #15
    Super Member Christine-'s Avatar
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    I looked at the link you included but its not the same motor as the motor i show in the photo I included. Look at post #13, I have grease ports not grease caps.

    Are grease ports supposed to have felt in them? They are so narrow I can't see they would even work.

    I'm tempted to take them out. Its the first time I've ever seen felt in there before. They seem fine other than appearing to have never touched grease before, they're still fluffy like felt, nothing like they should look for a 64 yr old machine.
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  16. #16
    Super Member ArchaicArcane's Avatar
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    I'd say they're not doing their job then. They should look nasty like the ones in the link I gave you to Rain's site.

    What you describe sounds like the ones I found in the 15-90. That one, the motor smelled "wrong" and it ran too slowly. I decided to check the grease wicks to see if the motor was being greased enough, and found fluffy white wicks, with a crusted over "lid" at the top of the grease tube.

    I greased under, to lube the motor immediately, then a little around the wicks, and stuffed the top full after reassembly. Took a few minutes, but the motor sped right up and I think it runs as fast and as strong as the 15-91 now and that nasty smell is gone.

  17. #17
    Super Member ArchaicArcane's Avatar
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    Quote Originally Posted by Christine- View Post
    I looked at the link you included but its not the same motor as the motor i show in the photo I included. Look at post #13, I have grease ports not grease caps.
    Which motor are you working on? Probably the 66 motor, right? BRS, other? Let me know, I'll look it up on my parts diagram,.. the principle is the same though.

  18. #18
    Super Member J Miller's Avatar
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    I have several of those motors with the grease ports on top. None of them have felt inside that I know of. You are supposed to fill them with the lube from the tube. I'd think the felt would block the lube. I'm wondering if someone put that in thinking they could use oil in them then?

    Joe

  19. #19
    Super Member Christine-'s Avatar
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    It's a replacement motor on a 201-3 made in Canada. The motor says its from NJ.
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  20. #20
    Super Member Christine-'s Avatar
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    Yes, I'm thinking they don't belong in there. How on earth they got them in there is beyond me! It's coming out a few fluffs at a time. It's definitely felt, with not a bit of grease in there.

    I have the wiring almost finished and then I'll plug her in to see how it runs.

    I made a tiny little cork screw and it's coming right out. Whew!
    Last edited by Christine-; 08-02-2012 at 12:50 PM.
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  21. #21
    Super Member J Miller's Avatar
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    Quote Originally Posted by Christine- View Post
    It's a replacement motor on a 201-3 made in Canada. The motor says its from NJ.
    Christine,

    Is it a Singer Motor? If so and it's a replacement, it could be made differently. Could you post a pic of the motor? If not, leave the felt in there and oil it.

    Joe

  22. #22
    Super Member Christine-'s Avatar
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    Quote Originally Posted by Christine- View Post

    Here's a photo:
    Name:  motor.jpg
Views: 1607
Size:  94.1 KB
    Heres the motor
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

  23. #23
    Super Member J Miller's Avatar
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    That is as standard a Singer motor as I've seen. I'd leave the felt and pump it full of Singer motor lube.

    The heat from the motor is what causes the lube to flow. I've never seen felt in there but if it's in as tight as you say, I'd be leery of taking it out.

    Joe

  24. #24
    Super Member ArchaicArcane's Avatar
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    I'm confused. The 201 has a potted motor... that doesn't look like a potted motor. That's why I assumed the 66 motor was the patient.

    K,.. here's what I can find in my parts books for external motors:

    bz3, bz7 and bz8 motors: grease cup wick singer pn 195539
    pg3, pg7, pg8, ph3, ph7, ph8 motors: (looks like a 201 potted motor) spn: 193525 (wick and spring) 193526 wick only
    bt7, bt8, bt13: spn: 190074
    by20-3 by20-7: couldn't see a grease cup or tube on the diagram.
    br3s, br7s, br8s motors: spn: 194490
    br3, br7 and br8: spn 194490
    ba3: couldn't see a grease cup or tube on the diagram.
    3-32v, 3-110v, 3-120v and 3-125v (fw 221 machines): spn 194097 - wick (felt)

  25. #25
    Super Member Christine-'s Avatar
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    The felt is out and the motor is greased. I'm certain the felt didn't belong in there. I've never ever seen felt in grease ports before. I made a tiny corkscrew out of a quilting pin and took it out bit by bit.

    plugged it in and it's happy! Can't wait to sew a few seams, so off I go....
    Bernina 640, Singer 201-3, Singer Centennial 15-91, Tin Lizzie 26" long arm

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