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Technical Sun tach needle mechanism question

Discussion in 'The Hokey Ass Message Board' started by Malibu406, Nov 12, 2021.

  1. Malibu406
    Joined: Nov 10, 2020
    Posts: 230

    Malibu406
    Member

    90D19219-BD83-420C-8AEB-DE392D12DF36.jpeg The needle on the tach doesnt return and randomly stays in different positions. I took it apart and noticed that the two pivot feet that sit on the wound rotor core are not glued to the wound rotor. The rear one, non-needle side, actually was flipped and laying side way on the wound core. I corrected that but without them being glued they seem to easily rotate on the coil. #1 in the picture looks like it may be an old adhesive patch that dried out. #2 is the needle side pivot.

    should these be glued? If so how important is the position for gluing? What do I glue it with?
     
  2. I'll give a bump and see if we can get some help.
    @e1956v any suggestions on who can help this rodder?
     
    Malibu406 likes this.
  3. Malibu406
    Joined: Nov 10, 2020
    Posts: 230

    Malibu406
    Member

    Thank you
     
  4. e1956v
    Joined: Sep 29, 2009
    Posts: 2,547

    e1956v
    Alliance Vendor

    I don’t to electronic tachs but you might try The tach man www.tachman.com.
     
    pprather likes this.
  5. Malibu406
    Joined: Nov 10, 2020
    Posts: 230

    Malibu406
    Member

    I sent him an email over a week ago and I didnt hear back? Hmm
     

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