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  1. P

    Monarch 10ee breakers size

    Hi CAL Yes, you are correct, this design is not balanced, but it is the reason that it will work. We need one unbalanced winding in order to generate the initial torque to get the MG going, then the SUPCO APR5 relay will disconnect the larger capacitor but keep one of the winding still out of...
  2. P

    Monarch 10ee breakers size

    Hi CAL I used the diagram presented by Flail in the Sticky thread above: "Sticky: Converting Monarch 10ee motor-generator 3-phase to single phase, Steelman method Started by Flail, 11-10-2013 07:50 PM" I did follow all his instructions as presented. I also, did find a mistake in his diagram...
  3. P

    Monarch 10ee breakers size

    Hi CAL One more thing that I should mention: What if the "SUPCO APR5" fails to disconnect the START capacitor, or it intermittently closes the contact due to some unknown reason, would this be a cause for over-current? I kind don't trust the source of where I bought that relay (again, on...
  4. P

    Monarch 10ee breakers size

    Hi CAL Right now I don't have a clamp Amp-meter that I could trust. My previous B&K 350B that I bought on ebay gave me wrong readings, so I am basically ignoring its existence. First, I want to point out that I did perform the single phase conversion on this lathe because I don't have three...
  5. P

    Monarch 10ee breakers size

    Ok, I only wanted to know what is the general size of the two pole breakers used in the electrical panel when the 10ee is powered by a single phase 220V and with the MG modified as per the "sticky" Thread "Single Phase Conversion" on this site, and which I followed step by step. Just to give...
  6. P

    Monarch 10ee breakers size

    I am asking about the breakers in the panel that supply power to the machine. The lathe itself does not have any breakers. My breakers seems to pop off once in a while even if the lathe is just siting there running but not doing any cutting.
  7. P

    Monarch 10ee breakers size

    What is the correct two poles breaker size for a 1942 10ee with MG drive? The MG was modified from 3 phase 220 Volts to a single phase 220Volts
  8. P

    Converting Monarch 10ee motor-generator 3-phase to single phase, Steelman method

    3-Phase to Single Phase conversion No, so far it is not very good (it does not work at my end). I am still investigating why it does not run as described by the previous threads. After purchasing a couple of AMP meters on e-bay, (they gave me quite erratic readings of current), I decide to...
  9. P

    Single-phase Power for Motor-Generator 10EEs

    MG Single phase conversion "first attempt" Well, here we go. This past weekend I finally decided to put power to the MG after checking all the connections a million times, everything was a go at the end. In this test, only the MG was powered without the Exciter in place (i.e. no belt was...
  10. P

    Converting Monarch 10ee motor-generator 3-phase to single phase, Steelman method

    First Time running with single phase modifications Well, here we go. This past weekend I finally decided to put power to the MG after checking all the connections a million times, everything was a go at the end. In this test, only the MG was powered without the Exciter in place (i.e. no belt...
  11. P

    Converting Monarch 10ee motor-generator 3-phase to single phase, Steelman method

    I am in the process of converting my 10ee from three phase to single phase 220V input using the information provided on this forum thread. I am almost ready to power up, but this weekend I just noticed a discrepancy on the wiring diagram that is provided here. It seems that you have the pins 1...
  12. P

    Hardinge lathe Dv59 for sale or trade

    Hi I currently own a DV59 precision tool room lathe that I would like to trade with a Mill machine or also sell. I am asking $1500 CND dollars. The lathe is 9" swing and approx. 24" between centers. It has three phase 1HP motor. The lathe comes with several 5C collects. The machine is in...
  13. P

    Converting Monarch 10ee motor-generator 3-phase to single phase, Steelman method

    Thank you for the advice. I did manage to take the impeller off using the two bolts as you suggested, thank you. My two bolts holes however, are for a 5/16"-18 bolt. Next, (this weekend) is to wash everything and start removing the rotor and all other pieces in order to get access to the...
  14. P

    Converting Monarch 10ee motor-generator 3-phase to single phase, Steelman method

    Hi I am trying to make this three phase to single phase modification as you described in details above, but I am stuck in the removal of the fan impeller. You say that there are two alan-key bolts between the blades, but I don't see any in mine. I try to pull the impeller but it does not move...
  15. P

    Tailstock hole

    Can some one tell me what the extra hole is for? photo
  16. P

    MG switch and contactor

    Hello Bob I would like the parts since my switch plate is cracked. Let me know if they are still available Cheers Pier
  17. P

    Backgear pulley backlash

    Thank you rkepler I had the same thoughts, if the dog was worn down this would generate more backlash than necessary, however I still want to get the front cover off the "backgear" to have a better look at the inside and then decide what to do. But at the moment I am still struggling in...
  18. P

    VFD conversion started

    What about if you use a three phase inverter (i.e. Single phase 220Volts input, three phase 220V output). For a 5HP they sell for about $495.
  19. P

    VFD conversion started

    I have a question: I have a 1946 10ee all in working condition with the original MG and DC motor set up, but I don't have three phase in my garage. Can I just buy a VFD that can handle 5 HP and generate the three phase power using the single phase 220 Volts? This way I can keep the lathe all...
  20. P

    Backgear pulley backlash

    Over the weekend I was trying to open the backgear front cover to determine the reason for the large backlash, but I was not even able to remove the front pulley wheel to get access to the socket cap bolts behind. Is there any reason why the pulley does not slide out with a pulley-puller? See...

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