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Levitating pin trick!

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  • Levitating pin trick!

    I just took over a center here in Belviderer illinois, and I have an interesting recuring problem with a couple lanes where the table will come down and pick up the pins for respot the sweep will run its cycle but the table does not return the pins to the deck!? I cure this problem (temporarily) by run the table back down via the table button on the mp chassis. p.s. these are 82-70 machines [img]/content/btubb/images/%%GRAEMLIN_URL%%/eek.gif[/img]
    beware of attack mechanic

  • #2
    Re: Levitating pin trick!

    Sounds like a cam problem to me, check your gaps and if necessary replace microswitches, if the sweep is also staying down it could be a bad offspot switch or bad bearings in the table drive clevis yoke (I think thats what its called) sometimes those bearings (only have a seal on one side) go bad and cause false offspots. Good luck [img]/content/btubb/images/%%GRAEMLIN_URL%%/smile.gif[/img]
    All I want in life is to turn wrenches and climb around pinsetters/pinspotters again :/

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    • #3
      Re: Levitating pin trick!

      lastriteread, Have you watched the machine to confirm that the table is not going back down , or is this the situation that you find when you get a call ?
      When you state that the sweep runs its cycle , is the sweep stopping at 270, or returning to 0 ?
      There is light at the end of the tunnel - just be sure it is not a train.

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      • #4
        Re: Levitating pin trick!

        the sweep is always beck at zero or up when I get to the machine, I have not actualy witnessed the machine run through this so I am not sure if the table is makin the trip back down and just returning with the pins still in the cells. [img]/content/btubb/images/%%GRAEMLIN_URL%%/confused.gif[/img]
        beware of attack mechanic

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        • #5
          Re: Levitating pin trick!

          Originally posted by lastritesread:
          the sweep is always beck at zero or up when I get to the machine, I have not actualy witnessed the machine run through this so I am not sure if the table is makin the trip back down and just returning with the pins still in the cells. [img]/content/btubb/images/%%GRAEMLIN_URL%%/confused.gif[/img]
          <font size="2" face="Verdana, Helvetica, sans-serif">I would be looking at the respot area ,especially if this is happening on more than one machine. Sounds like the fingers are not being opened as the table tries to respot pins. Start by inspecting the respot arm, bearings and spring- spring hanger , then check each cell for bent pivot posts or binds. Make sure all the respot adjustments are correct, especially the pawl.Manually open and close the fingers ,and try to detect a bind. From the front of the machine, unplug the sweep motor , and run the table with the TA1 cam lever. Observe the action of the respot function. Is it smooth , or does it seem to bind ? Also set different pin set ups on the deck, and run the table . You might have one cell that is only binding when it has a pin in the fingers.
          (If this center has been previously lacking in PM, I would really suspect the problem to be in the respot area).
          Good luck, post again if you still have problems.
          Mark
          There is light at the end of the tunnel - just be sure it is not a train.

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          • #6
            Re: Levitating pin trick!

            Lengthen the stop bolt on the table cam that opens the cells on a X cycle.....the cells are closing too tight and locking.

            JK

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            • #7
              Re: Levitating pin trick!

              -

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              • #8
                Re: Levitating pin trick!

                this poor center was let go for quite some time now, I have had my hands in all 24 machines at one time or another in the last 4 months I have been here! the problem does not happen every time only intermitenly. I will try what you sugest and let you know of the results.

                Thanks all! [img]/content/btubb/images/%%GRAEMLIN_URL%%/wink.gif[/img]
                beware of attack mechanic

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                • #9
                  Re: Levitating pin trick!

                  I would also look at see if it may be one respot cell adjusted to tight.

                  I have seen where one cell out of adjustment can lock up every time that pin is left, then the whole set cannot open hanging the pins.

                  Best of luck. I am sure you will clean them up and do some PM and these 70's will be running great!

                  Pat

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                  • #10
                    Re: Levitating pin trick!

                    Before tearing into the machinery... check or replace the OS switch... that little bugger is the #1 cause of hanging pins.

                    If it's OK, then start digging into the fingers, especially in the area of the respot pawl and cam.
                    <span style="font-style: italic">Educatio est omnium efficacissima forma rebellionis</span>

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                    • #11
                      Re: Levitating pin trick!

                      Just disconnect the OS switch. The problem should stop. If it does then its either the switch it self or adjustment. If it does't stop then its else where.

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                      • #12
                        Re: Levitating pin trick!

                        Sorry I guess if I read the other reply I would have seen that the sweep is up with the pin hanging. Then is it not acting as a oor. It would defently be in the cam link both adjustment. One cell to tight would usually cause pins to slip through.

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                        • #13
                          Re: Levitating pin trick!

                          Originally posted by Keep them running:
                          Sorry I guess if I read the other reply I would have seen that the sweep is up with the pin hanging. Then is it not acting as a oor. It would defently be in the cam link both adjustment. One cell to tight would usually cause pins to slip through.
                          <font size="2" face="Verdana, Helvetica, sans-serif">I thought the same thing until I read GMANS response,which made me remember the automatic off spot option. If the chassis is set up to automatically clear off spots, it is possible that there is a problem with the OS switch. The table would feel for pins, the OS switch would send the signal, while the table returned to zero ( with pins) the sweep would automatically be reversed and return to zero.
                          There is light at the end of the tunnel - just be sure it is not a train.

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                          • #14
                            Re: Levitating pin trick!

                            we don't have the action for oor's. but unless they updated the mp chassis they don't either. the best thing then to do is disconnect the off spot switch to see if the problem goes away then. If the problem remains then adjust the cam link bolt. If the problem goes away then first check the off spot switch adjustment, then if have to change the off spot switch.

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                            • #15
                              Re: Levitating pin trick!

                              has a pinchaser been monkey dicking in the machine and crawled out of it with a hammer? he could tell you **** was bent ( that you just replaced 2 days ago!) that will do it also! check the channel links if the 1247 is bent the master link will bind and hang pins!

                              Comment

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