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  1. #1
    Join Date
    Sep 2003
    Location
    Carp, Ontario, Canada
    Posts
    123

    Question

    I got an old gear motor which I wanted to run during the weekend but I found that it has been fixed or modified so connecting it wasn't a straight forward task (at least for me)

    The motor is (or suppose it was) a 1/4 HP 110 V, the diagram on the motor show the connection is simple (just the two wires and the ground) but when I opened it I found that a cable coming to the motor with four wires only one of them is connected to an original connector and the other three are connected to wires coming from the inside.

    Here is the colors of the wires I have

    Cable to Motor
    red-------------red
    black-----------black (Original connector)
    white-----------blue
    green-----------yellow

    Any idea about things I can try? or why might be the reason for this changes to be made to a motor?

    Thanks

    [size="1"][ April 03, 2006, 01:48 PM: Message edited by: forestbee ][/size]

  2. #2
    Join Date
    Mar 2005
    Location
    Troupsburg, NY
    Posts
    4,082

    Post

    Sounds like this motor can have the direction of rotation reversed, so it can run either direction. What you need to do is hook up your wires the normal way you would, using either the red or black as the hot, white would be nuetral in either case, and green would be your ground in either case. The other thing I can think of right off hand is it also might be set for 220v operation. I would try the first idea before hooking this 220v though.
    "I reject your reality, and substitute my own." Adam Savage

  3. #3
    Join Date
    Jan 2001
    Location
    New York City
    Posts
    3,401

    Post

    I'd guess that:
    </font>
    • Black/Black is "Hot" (+ 120 Vac)</font>
    • White/Blue is "Neutral" (- 120 Vac)</font>
    • Green/Yellow is "Frame Ground" (Ground to box)</font>
    • Red/Red is "Hot" for reversed direction
      (Connect instead of the Black/Black wire)</font>

  4. #4
    Join Date
    Jun 2005
    Location
    Greensboro, N.C.
    Posts
    5,080

    Post

    Is it just a gear motor, or does it also have a brake? If so, the red wire is the brake wire.

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