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IMDN flipper sticking

Discussion in 'Pinball Tech Support' started by cuebert, Nov 11, 2020.

  1. cuebert

    cuebert Member

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    So my right upper flipper seems to be sticking in the flipped position sometimes. I think it's getting bound/hung up as it doesn't appear to be a power issue because if I turn the machine off when its up, it stays that way. I haven't done any flipper work so I don't know where to start with this one...or what else it could be.

    Thoughts?
     
    #1
  2. mcuzz

    mcuzz Active Member

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    Take apart the flipper mec and housing and clean the whole thing. Sounds like it’s dirty or something sticky is in there. Also check the EOS switch for proper spacing.
     
    #2
  3. luch

    luch Well-Known Member

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    does it flip up on start up by itself ? if no . then it is too tight to the playfield it needs some more space in between . if yes the transistor is burnt
     
    #3
  4. cuebert

    cuebert Member

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    Hey guys,

    it's random during play, doesn't flip up by itself. It does drop back down and stays functional afterwards during play. tbf, it was behaving fine when I picked up the machine, but started doing it once I got it home and setup here. I'll look into the spacing and such and then a cleaning pass if needed.

    thanks!
     
    #4
  5. Mike Walsh

    Mike Walsh Active Member

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    Hey Cuebert,
    I had the same issue with a STLE.
    Turns out there is a quality issue with the coil stops in newer Stern
    Machines. The round coil stop becomes loose from the bracket it is attached to causing random flipper sticking. I replaced the coil stop and the issue never happened again. Good luck
     
    #5
    cuebert likes this.
  6. mcuzz

    mcuzz Active Member

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