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  • interlocking

    I have a problematic 82-70 and I only have been working with them for a couple of years.on first ball cycle,the sweep stops at guard and when the table engauges the sweep will too interlocking in the middle.this only happends once in a while.I have adjusted the sweep cam and switches to were all sweep and table movement is correct,my cam locking studs are aligned with the pin deck and crank arm is at highest position.please help,thax

  • #2
    Re: interlocking

    the problem may be in the sweep motor or contactor watch it and make sure it isnt drifting when it should stop if its drifting then check your motor if it is a national motor then check your carbon bushings if not then you contactor may be bad the stoping contacts may be badly worn or gone i had this happen once to me.

    scotty

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    • #3
      Re: interlocking

      I have a g.e. on that sweep.I did change the contacts when the problem first started last month.I do notice the sweep stops swiftly and does not drift at all,I even had the sweep stop just short of guard and it still locks time to time......

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      • #4
        Re: interlocking

        Sounds like you contactor points might be sticking. Change chassis to another machine & see if problem moves with the chassis.
        Even a old dog can bury a bone

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        • #5
          Re: interlocking

          If you've got starter relays on table and sweep motors, check them. That's what got us!

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          • #6
            Re: interlocking

            BB is right, if you have eletronic start relays, a bad one will cause interlock. Also, and this sounds crazy, check the rubber bumpers on the sweep arms. Sometimes as they get old they get real sticky and cause the sweep to delay. Worth a look.
            Give the most difficult task to the laziest workers. They will eventually find the easiest possible way of getting it done!

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            • #7
              Re: interlocking

              you mentioned you checked the cams, but I've noticed with a SS chassis when the sweep is at guard-66 deg. if SC is not adjusted right, that is to say the cam has lifted the follower off the switch, on 1st ball after the time delay both the sweep and table will start simultaneously and then interlock- if the cams are adjusted correctly, then this usually only happens if the sweep drifts past 66 deg., sometimes burned pins in the C-1 can cause an intermittent problem like that. Other things to look at are maybe a bad sweep contactor or bad sweep run switch in the rear control box.

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              • #8
                Re: interlocking

                You can adjust the SC cam lever out further without any problems. It might give you the extra room you need to avoid interlocks. We did it a few years ago and interlocks are no longer a problem.
                "Gun control is the policy of tyrants"
                Rep. Rob Bishop (R-UT)

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                • #9
                  Re: interlocking

                  Originally posted by amfpinboy:
                  You can adjust the SC cam lever out further without any problems. It might give you the extra room you need to avoid interlocks. We did it a few years ago and interlocks are no longer a problem.
                  <font size="2" face="Verdana, Helvetica, sans-serif">We have a few lanes we did this to. Certain lanes SC was almost always rubbing, sometimes opening the switch, so we gave it a little extra room. It'll still interlock if need be, but not for no real reason [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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                  • #10
                    Re: interlocking

                    If you adjusted the lever out, it shouldn't be anywhere near the cam. Once the cams are set,screw the SC bolt in, making the SC lever forward of the other cam levers. As you view them from above, the SC lever should be closer to the masking unit. As it runs, the SC will be opened later.
                    &quot;Gun control is the policy of tyrants&quot;
                    Rep. Rob Bishop (R-UT)

                    Comment


                    • #11
                      Re: interlocking

                      Originally posted by amfpinboy:
                      If you adjusted the lever out, it shouldn't be anywhere near the cam. Once the cams are set,screw the SC bolt in, making the SC lever forward of the other cam levers. As you view them from above, the SC lever should be closer to the masking unit. As it runs, the SC will be opened later.
                      <font size="2" face="Verdana, Helvetica, sans-serif">YES!!

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                      • #12
                        Re: interlocking

                        Thanks for all the input.I am going to check my c-1 plug wires in the morn.When i adjust my sc swithch,i get premature bin action and table freezes.have to wait for bin switch activation to set a full rack.small adjustments on sc makes sweep stop at back row and wait for table to respot before moving back to guard and sliging pins up the alley

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                        • #13
                          Re: interlocking

                          One more thing that I would look at are the condition of the springs on the cam levers. They can get stretched out and loose their effectivness.

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                          • #14
                            Re: interlocking

                            I had a problem similar to this not too long ago. Did the cam adjustment, chassis swap, hair pull thing-NG. Then I pulled up the wireway, and sure enough, the purple wire from the sweep contacts on the C1 was fried [img]/content/btubb/images/%%GRAEMLIN_URL%%/mad.gif[/img] Chasing wires sucks, but when thats the only thing left...
                            My mom always said there was one crazy person on every bus,... but I could never find him.

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                            • #15
                              Re: interlocking

                              If you are running a GE motor using the original cent. switch and mechanism be sure to check the solder joints and rivets on the terminal board. Sometimes the rivets get loose and corrosion sets in. If you have already changed the head and still have the problem I would go ahead and move the sc follower out a little bit. [img]/content/btubb/images/%%GRAEMLIN_URL%%/smile.gif[/img]

                              Comment

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