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  1. #1
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    Default Help me with what this is?

    Not sure what this is. Can some one help?




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    Quote Originally Posted by Will McRay View Post
    Not sure what this is. Can some one help?




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    That is a 4 11/16 square box and cover.

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    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.

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    Take the cover off and look inside. It probably is just a junction box for the leads going to the transformer.

    Tom

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    Default Help me with what this is?

    Quote Originally Posted by Will McRay View Post
    Not sure what this is. Can some one help?




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    What I don’t get is, what is it used for? Nothing is hooked up to it.


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  6. #6
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    Turn that switch OFF before you do anything.

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    It is probably just used as a connection box, to keep the electrical wire safe and mouse proof.
    Open it up and have a look.

    Hal

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    If its not used (no wires in it) the previous machinist probably hid his lunch money in there.

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  11. #9
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    Just a guess( mine is inside) it is a 120V step down control transformer that was used to power the main contactor board, plugs for a worklight, blower fan, and a host of protection solenoids, backgear, and spindle lock. Now if your original drive has been scrapped, it is superfluous. And it might be just an empty box.....

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    Quote Originally Posted by daryl bane View Post
    Just a guess( mine is inside) it is a 120V step down control transformer that was used to power the main contactor board, plugs for a worklight, blower fan, and a host of protection solenoids, backgear, and spindle lock. Now if your original drive has been scrapped, it is superfluous. And it might be just an empty box.....
    Best answer yet. Thank you. The lathe is all original so I guess the transformer still has a purpose.

    Will


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    Who says if it has stuff going to it if you haven’t opened it? Those boxes usually have rear knockouts.

    There could be wires coming in from the sides you can’t see.

  14. #12
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    Sounds like Geraldo Rivera's opening of Al Capone's vault.

    Tom

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    Quote Originally Posted by Will McRay View Post
    Best answer yet. Thank you. The lathe is all original so I guess the transformer still has a purpose.
    Have the same rig on the back of a 12" Sheldon shaper. It allowed for less hassle in the mag starter. Given uni-directional use of the motor, no juice-pump, there isn't anything else but a safe worklight, common lamp ratings, off 3-P at any of several voltages for the "system".

    10EE, depends on age and budget.

    Example: As received,, the OEM wiring for the worklight on my 1942 AKA "wartime" MG-era 10EE was fed with just ONE wire off a leg of the 3-P incoming.

    The other side was grounded directly to ... the bed casting.

    Electrons being shamelessly agnostic - even outright opportunistic hoors - as they be, any standard Edison-base incandescent lamp - of the appropriate Voltage - worked fine.

    Wire, box, transformer materials, labour, delivery time were freed-up for something more desperately needed to win a war.

    Gentler times, less strained budgets, yah goes back to doing it proper-like. To "code", even.


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  17. #14
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    I got the original order on the lathe and I did not see a light but I seem to have had a coolant pump so I assume that pump was fed by that transformer.

    Thank you for the additional education!

    Will


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