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  • Lazy Spotting

    Ok guys, this one's got me stumped. I have one machine that the spotting cups will tilt late causing the pins to all be off spot to the front and occasionally fall over. The kicker is, if there is only ten pins in the bin, the machine will spot perfect. If the bowler gets say an 8 or 9 count and there are double pins in the bins, the cups will tilt late. Any ideas?
    Give me a hammer and some duct tape and I can fix it!

  • #2
    Re: Lazy Spotting

    Check the front end spot & respot arm springs.

    Check cam followers on front end & shifter.

    Lube front end, shifter, rod ends & yoke legs.

    Loosen one of the 2 rear yoke shaft springs about 45ยบ. Some times both need to be loosened but do 1 at a time.

    Comment


    • #3
      Re: Lazy Spotting

      Sounds like one (or more) of the cups are rubbing againts the yoke, or the tie rod. Look for shavings of shiny aluminum.

      Comment


      • #4
        Re: Lazy Spotting

        For the last 24 hrs I've been trying to figure out how double stacked pin could cause what you're describing. All I can come up with is that the pins might sit in the cups differently.

        See if the pins might be catching on something. Maybe the 1-2-4-7 wireway is bent & the 4 is catching on the table plug bracket?

        Comment


        • #5
          Re: Lazy Spotting

          Dutch, you're not the only one trying to figure out what is causing this. I don't have table wiring so there is no plug, but that is a good thought. I did get the machine to spot the pins "ok" by adding tension to the yoke springs.
          This however is causing the cups to snap open after spotting which i know means too much tension. I will readjust the springs after I figure out what is actually causing the problem. I think I'm going to give Carl a call on Monday and pick his brain.
          Give me a hammer and some duct tape and I can fix it!

          Comment


          • #6
            Re: Lazy Spotting

            Try removing spotting cup liners. This will let the pins slide down in the cups quicker and put the weight where you need it to turn the cups.

            Comment


            • #7
              Re: Lazy Spotting

              Paul, That is also a good idea. But here is what solved the problem. I adjusted the table springs back where they should be to stop the cup "Snap". Then I moved the shuttle front by shortening the connecting rod. I'm not sure why I thought to do this but it solved the problem and the machine spots perfectly every time. Now I just hope I don' start having double shuttle problems on this machine. Thanks to everyone who racked their brains on this one.
              Give me a hammer and some duct tape and I can fix it!

              Comment


              • #8
                Re: Lazy Spotting

                Originally posted by 8270 pinspotter:
                Paul, That is also a good idea. But here is what solved the problem. I adjusted the table springs back where they should be to stop the cup "Snap". Then I moved the shuttle front by shortening the connecting rod. I'm not sure why I thought to do this but it solved the problem and the machine spots perfectly every time. Now I just hope I don' start having double shuttle problems on this machine. Thanks to everyone who racked their brains on this one.
                <font size="2" face="Verdana, Helvetica, sans-serif">I am glad you found the problem. It doesn't make any sence to me why the shuttle would fix your problem. Anyone???

                Comment


                • #9
                  Re: Lazy Spotting

                  I think you will find that the hanger behind the spotting spring is elongated and the bolt also.This is connected to the spotting lever and you may have turned it during the shuttle movement.
                  Check it out if you like.Good luck.
                  Laurie
                  Scotland.

                  Comment


                  • #10
                    Re: Lazy Spotting

                    quote:
                    --------------------------------------------------------------------------------
                    Originally posted by 8270 pinspotter:
                    Paul, That is also a good idea. But here is what solved the problem. I adjusted the table springs back where they should be to stop the cup "Snap". Then I moved the shuttle front by shortening the connecting rod. I'm not sure why I thought to do this but it solved the problem and the machine spots perfectly every time. Now I just hope I don' start having double shuttle problems on this machine. Thanks to everyone who racked their brains on this one.
                    --------------------------------------------------------------------------------

                    I am glad you found the problem. It doesn't make any sence to me why the shuttle would fix your problem. Anyone???

                    --------------------
                    Remember the K.I.S.S. Principle.
                    (Keep It Simple Stupid


                    The only thing I can think of is maybe the jam nut at the front rod end on the connecting rod assy is loose...very easy to overlook if your not specifically looking for it. The other, maybe, loose jam nut on the bolt that the stop lever rests against as to not let the connecting rod/lever cam follower "go into" the dwell on the shuttle cam on a first ball cycle...in other words, the bolt head is too tight against the stop lever.

                    Comment


                    • #11
                      Re: Lazy Spotting

                      Update: After I moved the shuttle front, the next night had all kinds of double shuttle problems. So I put it back where it was, and watched the pins very closly as they fell into the cups. I found that the pins were actually "hanging up" on the pins on top and falling into the cups later than they should be. As of now I have not done anything to correct because these pins will be coming out next week and I want to see if different pins have the same problem.
                      Give me a hammer and some duct tape and I can fix it!

                      Comment


                      • #12
                        Re: Lazy Spotting

                        Use a hammer and some duct tape [img]/content/btubb/images/%%GRAEMLIN_URL%%/laugh.gif[/img]

                        I think you will find that the hanger behind the spotting spring is elongated and the bolt also.This is connected to the spotting lever and you may have turned it during the shuttle movement.
                        Check it out if you like.Good luck.
                        Laurie
                        <font size="2" face="Verdana, Helvetica, sans-serif">Good call !!
                        So it goes.

                        Comment


                        • #13
                          Re: Lazy Spotting

                          Do what Tall Paul said 7 days ago, and remove the two spotting cup liners, but leave the top one in.

                          Comment

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