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  • fingers wont open

    This is a weird one. I have a machine that you need to manually open the fingers after an offspot call. If u don't, the fingers stay completely closed when it goes to spot a new rack. The cells open and close PERFECTLY during a normal respot cycle. There are no binds anywhere in the cells. The pawl has about a 1/16" gap, so thats fine. I noticed that the pawl isn't even coming close to the shifter cam link when it does spot a new rack and I know its supposed to, to make sure the cells ARE open. Maybe thats a clue. I dunno. Any ideas? Thanks [img]/content/btubb/images/%%GRAEMLIN_URL%%/smile.gif[/img]

  • #2
    Re: fingers wont open

    The pawl isn't responsible for opening the cells after an OS cycle. There's a Cam Link (The horseshoe lookin thing) that has a bearing that rides on it. When the spot cups begin to swing forward, this bearing will ride the slope of the "horseshoe" and open the respot cells before the pins become vertical. This was also used in the days of table wiring to open the cells after a strike was thrown.

    To adjust refer to "the book" as a starting point. But at 180 degrees, table all the way down setting pins, the bearing on that cam link ass'y should be no more than 1/16" (I think...I like mine with just daylight between the bearing and surface). Gap is obtained by lengthening or shortening the 2594 rod. WARNING: Do not make this rod too long or you will turn it into a pretzel next time you spot pins.

    I know this sounds somewhat confusing, at least it does to me :p . Sorry, too early on Sunday Morning.
    "Where are we going, and why are we in a hand basket?"

    --Kat

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    • #3
      Re: fingers wont open

      ummmm Maybe I missed something, but if it's a out of range or off spot. The finger's will be closed, part of the safty feature in AMF machines.I might of read this wrong, The sweep also should be in the guard position.
      Even a old dog can bury a bone

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      • #4
        Re: fingers wont open

        Originally posted by old-school-mechanic:
        ummmm Maybe I missed something, but if it's a out of range or off spot. The finger's will be closed, part of the safty feature in AMF machines.I might of read this wrong, The sweep also should be in the guard position.
        <font size="2" face="Verdana, Helvetica, sans-serif">That's exactly it. The fingers will be closed. Unless you manually open the fingers before the table sets a new rack he is having problems. I bet that if he has the machine go thru an RPO cycle detecting strike he will have the same problem as after an OOR.
        "Where are we going, and why are we in a hand basket?"

        --Kat

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        • #5
          Re: fingers wont open

          1. Disconnect main r/c link
          2. Open cells manually
          3. Run table to pin spotting position
          4. Adjust small rod with 7/16 jam nuts and pliers to have 1/16 gap
          5. Run table to 0
          6. Adjust main r/c link to spec

          FIXED

          JK

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          • #6
            Re: fingers wont open

            That should do it!

            Long live the King!

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            • #7
              Re: fingers wont open

              Do you have AMF scoring with the shorten strike cycle??? It sounds like ur missing a cam follower if your cells are not moving at all. That cam foller would only work on a off-spot with the shorten strike cycle [img]/content/btubb/images/%%GRAEMLIN_URL%%/usflag.jpg[/img]
              Cmd

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              • #8
                Re: fingers wont open

                Thanks for your help everyone. Turns out the cam follower came out. I found it laying on the table. Thank you [img]/content/btubb/images/%%GRAEMLIN_URL%%/smile.gif[/img] I learn something new every day.

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                • #9
                  Re: fingers wont open

                  We had a problem similar to this, every so ofter when the machine went to spot. You get a call to the lane. When you arrives there the bins were full, fingers closed. When you opened the fingers the machine went into spotting.

                  Took many hours of sitting on the machine, but found it was caused by a combitation of very slightly out table cams and the gap at the shuttle rod stop bolt. If the table over ran just slightly, the stop bolt on the shuttle rod would do it job at the wrong time. If you know what I mean.

                  Just thought it would be interesteding to post in case any new guys come across this.

                  Sometime, mostimes the only way to solve a fault is to put your sleeping bag on the machine and dig in for the shift.

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