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  • Combo-test box

    Hi all Im not good at electronics so I was wondering if you FINE people here can help me. I would like to make a test box for combo motors..
    mainly for 82-70 nationals... Ive read the book but I'll be damned if I can understand it..this is what I would like in the box...on/off switch..reverse(for sweep reverse) fuse...and run switch....Im just a lonely b-mechnic learning so any help would be great..
    thanks
    BTW read my post in the 82-70 section..it was supposed to be in this forum ..but I mis posted..
    I know I know..30's but why? Cause My hand got stuck in the 70s shuttle once and it hurt...NEver again NEVER

  • #2
    Re: Combo-test box

    We have one... it uses a control box from a shur-pik for the housing (with the plus of having a fuse already built into it). You will need a set of start caps, a chassis contactor, a 24-volt AC transformer (a doorbell xfmr, or the original one from a shurpik box / foul light chassis), a spring-back switch to start/stop the motor(like a sweep reverse switch), and a heavy duty DPDT standard switch to control motor direction... some heavy extension-cord wire, a 3-prong standard plug, and the pigtail from a sweep motor (complete w/ motor plug). You can use a front plate from a gearbox as a mounting for the motor during testing (needs to be held in place against the torque... if not, it'll roll off the bench when it starts.

    I'll have to see if I can come up with a wiring diagram... I know the parts, but I 'inherited' it, and didn't build it.

    For a much easier solution than the pain in the butt above:

    You can test motors without building a test box... get a male plug from a combo motor, some 5 or 6 conductor #12 or #14 cord, and a female (machine side) motor plug. Build an "extension cord" by wiring all the pins straight through, that will reach your bench or the floor behind a machine. To use it, unplug a sweep motor on a machine, attach your extension cord, plug in your motor to be tested, secure it with a clamp, plate, or your foot, turn on the machine, leaving only the "sweep" switch powered on. and then use the "Sweep Run" and "Sweep Reverse/Sweep Run" switches to operate the motor. Works as good as a test box, and no complicated wiring needed... the machine already has that... may as well use it.

    In case anyone is wondering... Up until recently, I was a one-man-band mechanic, trying to keep up a 30-lane 82-70 house (with foul lights, shurpiks, and Qubica scoring thrown in as well) in FAR less than 40 hours a week (more like 10 or less)... I've had to find LOTS of 'timesavers' and hairbrained gadgets to even attempt to keep the joint running, with as little extra work as possible while doing it... that's where most of the homemade tools and things I post about come from.
    <span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>

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    • #3
      Re: Combo-test box

      I have one........

      JK

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      • #4
        Re: Combo-test box

        [img]/content/btubb/images/%%GRAEMLIN_URL%%/laugh.gif[/img] [img]/content/btubb/images/%%GRAEMLIN_URL%%/laugh.gif[/img]
        If at first you don't succeed, try, try, again. Then quit. There's no use being a damn fool about it.&quot; -W.C.Fields

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        • #5
          Re: Combo-test box

          thanks felix..
          I know I know..30's but why? Cause My hand got stuck in the 70s shuttle once and it hurt...NEver again NEVER

          Comment


          • #6
            Re: Combo-test box

            Anyone interested in buying a combo motor tester that looks alot better than this one. If you are interested let me know I will send you pics of one!!

            Comment


            • #7
              Re: Combo-test box

              Jandlecox....is it covered in velvet or what? [img]/content/btubb/images/%%GRAEMLIN_URL%%/laugh.gif[/img]

              Jerry

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              • #8
                Re: Combo-test box

                No, but it looks a whole lot better. Not knocking the one posted just commenting!!!

                Comment


                • #9
                  Re: Combo-test box

                  very nice felix...i can follow most of the wires....but can you or King send me in real people terms where all those wires go. im like wally ive read it in the AMF book, but ill be damned if i can care to undertand all the damn symbols. and dont care to blow up a couple motors or boxes getting it right. Ive always used G-mans method

                  thx coors

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                  • #10
                    Re: Combo-test box

                    hey thanks coors Ive been meaning to ask that question..I was having trouble fowling the lines from the cables to the termanal strip... if its any help if your going to tell us how to do this... could you use the standard colours from the motor pug...i believe they are ..black..white..orange..green and red...if thats standard? anyway thanks
                    I know I know..30's but why? Cause My hand got stuck in the 70s shuttle once and it hurt...NEver again NEVER

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                    • #11
                      Re: Combo-test box

                      I have a nice one that a friend started a few years ago. Last year I finished it and added a switch to check both forward and reverse windings. Also added l.e.d.s to indicate direction.

                      No contactor.

                      I'll take pics if I can pry the camera from my wifes grip. She's a realtor and uses it daily.
                      Pinspotters do not break down when they are not running!

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                      • #12
                        Re: Combo-test box

                        Coors and Wally,

                        I drew up a “laymen’s” schematic of my combo motor tester. If you want to take a look at it, I can e-mail it to you. My combo tester doesn’t use a relay. The run and reverse switches can take the load and a relay isn’t necessary.

                        BTW, if somebody wants to host my schematic, your welcome to post it on bowltech. Hopefully somebody can review it and let me know if there are any errors.

                        Triac

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                        • #13
                          Re: Combo-test box

                          tanks triac..if you could email me that would be great..neuman1812@charter.net
                          I know I know..30's but why? Cause My hand got stuck in the 70s shuttle once and it hurt...NEver again NEVER

                          Comment


                          • #14
                            Re: Combo-test box

                            Wally,

                            Its on its way.

                            Triac

                            Comment


                            • #15
                              Re: Combo-test box

                              Originally posted by triac:
                              Coors and Wally,

                              I drew up a “laymen's” schematic of my combo motor tester. If you want to take a look at it, I can e-mail it to you. My combo tester doesn't use a relay. The run and reverse switches can take the load and a relay isn't necessary.

                              BTW, if somebody wants to host my schematic, your welcome to post it on bowltech. Hopefully somebody can review it and let me know if there are any errors.

                              Triac
                              <font size="2" face="Verdana, Helvetica, sans-serif">If you'd like it hosted, I've started up a 'bowling stuff' section on my site... send me a scan or pic of it, and I'll put it up for ya.

                              gman@globalgman.com
                              <span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>

                              Comment

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