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Thread: Wiring 1hp Delta BS from 110 to 220

  1. #1
    Join Date
    Jan 2005
    Location
    Charlestown, New Hampshire
    Posts
    79

    Wiring 1hp Delta BS from 110 to 220

    I've got a 1hp Delta bandsaw, model 52-977,
    that I've been trying to wire from 110 to 220.
    I've rewired every other tool in my shop that's able
    to be rewired but this one's giving me a fit...

    First, there is no such bandsaw with a Delta model
    number 52-977...all Delta bandsaws start with a 28-xxx.
    I only bought the machine 5 years ago, so it's not like
    it's THAT old. I bought it from (what was once called)
    Woodworkers Warehouse up here in the northeast. New.
    In a box.

    Second, the wiring plate on the motor is very easy to read, like most
    Delta tools...problem is none, and I mean NONE of the wire colors
    listed on the plate correspond with actual wires in the j box
    on the motor (or in the switch box). And none of the wires have
    numbers or any other markings which may give me a clue as to
    what to do. There also only seem to be two wires, plus a ground,
    entering the motor...a black and a white.

    The motor plate says it is a 110/220 (or 115/230...semantics I think?)
    and that it was pre-wired at the factory to 110. I've talked to Delta
    and to there Servicenet people about it and they seem to know less
    than I do about what I've got going on.

    Any of you guys have any ideas or clues for me? Not the end of the world,
    but I've got limited amperage in my not too fancy shop and would like to
    cut it down a bit more.

    Thanks (for anything!) in advance

    Oh, one other thing, every label on the machine is printed with "Made in USA",
    for what it's worth (fwiw)
    Last edited by Hunter Wallace; 10-04-2007 at 7:07 PM. Reason: forgot something

  2. #2

    Post Hunter,

    Hunter ~ maybe this will help you http://www.happywoodworking.com/MotorWiring.html
    Brian

  3. #3
    Join Date
    May 2007
    Location
    North Dakota
    Posts
    660
    Hunter, I ran across this ad. Delta Industrial 14" bandsaw, 52-977/28-212. Wired for 220V, easily wired back to 110V. It looks to me like your saw could be a 28-212.
    Last edited by Chuck Lenz; 10-04-2007 at 9:43 PM.

  4. Being that this is only a 1 hp motor, I wouldn't spend so much effort on converting it to 240 volts. It is only drawing about 10 amps at 120 volts.

    Converting this to 240 will not change the total load on your service panel, it will only help balance it out better. This isn't something that should be too big of an issue with such a small motor. Have you put an ammeter on your mains to see how well they are balanced during typical operation?

  5. #5
    Join Date
    Jan 2005
    Location
    Charlestown, New Hampshire
    Posts
    79
    Thanks guys, I'm looking into your info as we speak.

    Rick- Yeah, I agree about not needing to go 220...
    but now I feel like that motor is taunting me

  6. #6
    Join Date
    Jan 2006
    Location
    Lehigh Valley, PA
    Posts
    410
    Quote Originally Posted by Hunter Wallace View Post
    There also only seem to be two wires, plus a ground,
    entering the motor...a black and a white.

    The motor plate says it is a 110/220
    Something isn't right. Either the motor plate is incorrect, or there have to be more wires somewhere (maybe buried inside the motor housing).

    I'd take Rick's advice and leave well enough alone. Some mysteries just aren't meant to be solved - especially not on a Friday afternoon.

  7. #7

    Wiring 1 hp Delta BS from 110 to 220

    Hunter,
    Check your motor housing and see if the motor is made by Marathon Electric with a Delta model number of 62-245. If so, I can offer you some advice as I just re-wired mine to 230v yesterday.
    Gary

  8. #8
    Join Date
    Jun 2006
    Location
    The Hartland of Michigan
    Posts
    7,628
    Quote Originally Posted by Chuck Lenz View Post
    Hunter, I ran across this ad. Delta Industrial 14" bandsaw, 52-977/28-212. Wired for 220V, easily wired back to 110V. It looks to me like your saw could be a 28-212.
    That number may be wrong. I have a 28-299 Made in USA 14" and a sticker on the upper wheel guard has 28-212.
    I can check my motor wire colors and post them if need be. It is wired for 110v.
    Never, under any circumstances, consume a laxative and sleeping pill, on the same night

  9. #9

    Wiring 1 hp Delta BS from 110 to 220

    DUH! Sorry all! Maybe I'll look at the date before posting the next time. Better late than never, I guess!

  10. #10
    Join Date
    Jun 2006
    Location
    The Hartland of Michigan
    Posts
    7,628
    I'm guilty too. LOL
    Never, under any circumstances, consume a laxative and sleeping pill, on the same night

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