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  1. Motor hum most probably is drum switch problems....

    Motor hum most probably is drum switch problems.
    Try wiggling the handle a little farther than the detent position in forward to see if it make contact.

    Is this problem in the forward direction...
  2. Since this is a new to you machine, you should...

    Since this is a new to you machine, you should look over the condition of the keys in the Varispeed.
    The first clue is if the holes for the bolts to compress the spring don't line up with the...
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    Check each input power phase to X0 should be 120...

    Check each input power phase to X0 should be 120 Volts or so.
    Is the phase rotation correct? You will not get any output power if wrong.
    One bank of SCR's is for Fwd and the other for Rev.

    Bill
  4. This is a conversion I did awhile back using a...

    This is a conversion I did awhile back using a Parker 4 Quadrant control.

    43 10ee MG with Parker 514c-16 DC Controller

    My own RPC is a heavy 3 HP 1140 RPM motor with start and run caps.
    I just...
  5. The 2 transformers are used to BOOST the 440 to...

    The 2 transformers are used to BOOST the 440 to 550 with an open delta configuration.

    The item below the red label transformer is a bridge rectifier that will produce DC from AC

    The push button...
  6. Additional pictures needed: Good photos of the...

    Additional pictures needed:

    Good photos of the inside of this: The AC contactor, heaters, etc. have been completely bypassed by a push button on/off switch.

    The nameplate info and pictures of...
  7. With no capacitors installed, either direction...

    With no capacitors installed, either direction will work fine.
  8. Replies
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    It looks like a transformer on the back of a...

    It looks like a transformer on the back of a Monarch EE.
    That is a 4 11/16" square junction box on the top of the transformer.
  9. It could have problems and is not drawing current...

    It could have problems and is not drawing current on 1 of the 3 phases. They normally just hum when this happens.

    You can easily cause more problems if you try it on 480 before finding out if it...
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    Several commentators here seem to have missed a...

    Several commentators here seem to have missed a major item in this line in post #3:
    3400 kWh / 720 = 4.722 KWH draw all the time (ignoring actual usage)

    "Ignoring actual usage" Meaning the...
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    907

    Your numbers seem reasonable. The line...

    Your numbers seem reasonable.

    The line currents on a lightly loaded transformer are mostly reactive (KVAR) or watt less power.


    Reality check time:

    $0.15/KWH is only an estimate, Be sure...
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    Have you removed the speed indicator rod that...

    Have you removed the speed indicator rod that attaches to the speed control box, and comes through the area you are trying to move and winds up in the box above the spindle with the faster slower...
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    This thread covers the metering units and some...

    This thread covers the metering units and some pump issues.

    10EE Oil Pump Operation and Flow????

    The rubber washer may fit under the suction check valve. Compressed air is a bit extreme to...
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    So start by pulling the module. Then check for...

    So start by pulling the module.
    Then check for filament to plate, grid to plate and grid to filament shorts in the C16J tubes. (they should be open circuit)
    If nothing found, unhook the plate leads...
  15. What I think you have is a Varispeed head with a...

    What I think you have is a Varispeed head with a drawbar for a step Belt head.
    The shop owner probably had some real monkeys that would take the crank for the knee and hit the drawbar to get the...
  16. It looks like you have a taper attachment. The...

    It looks like you have a taper attachment.
    The hand crank for the cross feed will not have a screw hanging out of it.
    It is below the T/S in the fourth picture.

    I'd put the cross feed back...
  17. It looks like you have a sleeve on the spindle...

    It looks like you have a sleeve on the spindle held on by the nut at the end of the spindle.
    A mod to get faster feed rates maybe.

    Mine the belt is on the spindle.
    Bill
  18. Replies
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    Since you have not posted pictures of what you...

    Since you have not posted pictures of what you have, I will present a thumb nail sketch for you.

    A DV-59 comes with a compound and a tail stock.
    Very useful for low volumes of smaller parts,...
  19. Are you sure it is not a real light bulb?

    Are you sure it is not a real light bulb?
  20. Replies
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    To the OP. The answer is in post # 17. The...

    To the OP.
    The answer is in post # 17.
    The 1N5408 is a 1000 Volt unit and will hold up when the clutch shuts.

    There is a forward voltage spike that is generated when the magnetic loop is closed...
  21. Since you are on a South Bend forum, What South...

    Since you are on a South Bend forum, What South Bend has D1-3 or a D1-4 spindle?

    D1-3 machines normally have about 1 3/8" through the spindle and D1-4's normally have 1.5" through the spindle.
    ...
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    I posted pictures at post #9 on this thread when...

    I posted pictures at post #9 on this thread when replacing the units on my round dial.
    ...
  23. Make sure all the fans in the rack of boards for...

    Make sure all the fans in the rack of boards for the control are running at full force.

    Next I would swap power supplies for the control.
    My experience starts with T/M-2 controls, and I have...
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    I tried sending you a PM but your in box is full....

    I tried sending you a PM but your in box is full.

    PM me when you have some room,
    Bill
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    A couple of machine pictures that is run by the...

    A couple of machine pictures that is run by the control in the post above:

    257041


    257042

    These are of a LeBlond with a GE 550 Control.

    Yes the tape was punched on a Friden...
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