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  1. For all those looking at this: Good catch by...

    For all those looking at this: Good catch by Pier. The 300uf capacitor goes to supco potential relay terminal #1 and the 60uf should go to terminal #2.

    reference:...
  2. Holy Jeezus Krist!!! you are right! I F'ed up my...

    Holy Jeezus Krist!!! you are right! I F'ed up my drawing and reversed #1 and #2! I just dragged my arse out to the shop to double check. I hooked it up correctly but documented it wrong! Good...
  3. Message me if you have any questions. Glad to...

    Message me if you have any questions. Glad to help.
  4. So I'm thinking I can use the original 3-phase...

    So I'm thinking I can use the original 3-phase starter on my single phase conversion despite the fact the original starter only has two heaters. My logic is if I had a single phase motor, I'd really...
  5. I plan on using the original start-stop switches...

    I plan on using the original start-stop switches with the associated relay. I will need some education about "heaters". I suspect I will need different values for the heaters, know how to calculate...
  6. Also, got it running forwards and backwards at...

    Also, got it running forwards and backwards at 3500 rpm. Runs same speed each way (via photo tachometer) and does full forward to full reverse in less than 5 seconds.
  7. So here is the schematic I drew up of my...

    So here is the schematic I drew up of my components. Wish I had something simple to draw up schematics with a Mac. The relay basically parallels the start with the run capacitor for a second until...
  8. Got the forward reverse thing sorted out....

    Got the forward reverse thing sorted out. Headstock drum switch needed some adjustment. In this box the upper left relay has a constant arcing across the contacts (while running the spindle in either...
  9. So here is the new junction box I put on the...

    So here is the new junction box I put on the motor-generator. It is a 8"x12"x2". Got it from digikey. It holds the original terminal strip, the Supco adjustable relay, the run and start caps.
    ...
  10. Success! I assembled the motor today, wired it...

    Success!
    I assembled the motor today, wired it up and it fired up slowly first time. I adjusted the potential relay as per instructions and it fired up in less than a second. Couldn't be more...
  11. Part 3

    On another thread, toolnut posted about a Steelman convertor his brother had:

    "I am not a fan of static phase converters but have recently learned about the H-A-S static phase converter system...
  12. Part 2

    When you have the field out it will be filthy and it will initially seem impossible to sort out the wires.

    90657

    The wiring harness is tied on with cotton string and impregnated with varnish....
  13. Converting Monarch 10ee motor-generator 3-phase to single phase, Steelman method

    After recently acquiring a 1953 Monarch 10ee with a motor-generator I've been reading all the threads pro and con about preserving the M-G, using a phase convertor, using a DC drive or putting in a...
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