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  • detectors

    Question.In the 40 laner im at i have seen about 3,count them...3 different style of detectors (if not 4).Some of them just look so odd and old!!And its weird the problems they cause by just being different than the others.Its those (oddballs) that seem to give more troubles than any others!Its just rally an old center i was at with original a machines upgraded to jet-back status,those detectors were all the same with very little trouble!!Ami missing something here in detector styles?Its hard to descride the differences but,looking at them its plain as day!The place im at now is about...11 years old if that helps you.Any of you got alot of various detectors and if so..any different odd problems?Strange question isnt it.

  • #2
    Re: detectors

    The older detectors (with toes rather than roller bearings on the latches) may be getting to the point where the amount of wear on the toes is causing those "flaky" problems which don't occur often enough that you want to rip it out, yet still cause enough stops to be a problem. Take a look at where the strike latch contacts the scissor cam selector (gb195, pg 15 of the green book)

    with an un-worn toe (or a roller bearing toe), the top of the strike selector will be even with the top of the scissor cam selector. If less than half of the strike selector is contacting the scissor cam selector, your toes in that detector are probably getting to where the latches in the detector should be replaced (typically causes swept spares, as the strike selector won't always catch.)

    This is a quick way of checking them, if one of the toes is worn out, the other 2 (oor and standing pins selectors) are most likely shot too ... but the strike selector is the one on top and easiest to inspect.

    Hope this helps:



    • #3
      Re: detectors

      A couple thoughts on this, preventive maint. is definately the life saver for detectors. Sometimes the oil can is more effective than the wrench! Keeping them oiled is important, and something I think all of us do, being how involved it is to strip down and rebuild a detector. I think the trouble comes when whoever was in charge of the machines or center before we came, and what their habbits were... did they maintain the detectors or just let them grind themselves away? They are neato to watch, and even fun to rebuild but with all the other things they have for us in the center, there just isn't the time. So this is definately one of the most important assemblies to maintain. Definately worth the few minutes it takes to keep them "brains" oiled.

      [This message has been edited by Matty (edited 11-08-1999).]


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