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Thread: Lathe Reverse

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  1. #31
    Do you have a dmv?

    It would help to measure resistance with bus bars of and capacitor disconnected

    Then we might get a clue on where the coils are connected.



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  3. #32
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 8 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,437. Received thanks 279 times, giving thanks to others 7 times.
    I just had another quick search, and this came up - http://www.sentridge.com/wp-content/...wiring_1ph.pdf

    It's not exactly like your wiring, however it should point you in the right direction, provided you work out how your coils are connected to your terminals.
    I'm a bit tired, but I think your main coil will be connected diagonally (middle left, to top right in your diagram), with one end of the secondary coil bottom right, and the other top left.
    If you remove all the jumpers, a quick test with a mutlimeter should confirm/reject that.
    Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

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  5. #33
    That was a nightmare.... I had a dud contact on my (cheap as chips) rotary switch.
    I thought I was going mad, the logic had gone all twilight zone!

    I now have a lathe that works in forward and reverse.... CHEERS GUYS!
    It is just a simple case of moving the two jumpers / bus bars through 90 degrees on this motor (or adding a switch to do just that)

    Clarke Motor M80 BL4
    Click image for larger version. 

Name:	Clarke Motor M80 BL4.jpg 
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Size:	227.3 KB 
ID:	28054

    Cheers for the link M_C
    I had seen a few similar those but that was a good one!

    Driftspin: dmv?
    I was going to pull the motor out and measure all the winding wires but I thought I would give it one last run through as the logic seemed to be pointing to an strange anomaly or fault somewhere.

  6. #34
    That was a nightmare.... I had a dud contact on my (cheap as chips) rotary switch.
    I thought I was going mad, the logic had gone all twilight zone!
    Glad you sorted it Mark
    ..Clive
    The more you know, The better you know, How little you know

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  8. #35
    Quote Originally Posted by blackburn mark View Post
    That was a nightmare.... I had a dud contact on my (cheap as chips) rotary switch.
    I thought I was going mad, the logic had gone all twilight zone!

    I now have a lathe that works in forward and reverse.... CHEERS GUYS!
    It is just a simple case of moving the two jumpers / bus bars through 90 degrees on this motor (or adding a switch to do just that)

    Clarke Motor M80 BL4
    Click image for larger version. 

Name:	Clarke Motor M80 BL4.jpg 
Views:	13 
Size:	227.3 KB 
ID:	28054

    Cheers for the link M_C
    I had seen a few similar those but that was a good one!

    Driftspin: dmv?
    I was going to pull the motor out and measure all the winding wires but I thought I would give it one last run through as the logic seemed to be pointing to an strange anomaly or fault somewhere.
    YES sorry, typo dvm.
    Digital volt meter.




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