tuners slipping

Evidently I did not drill my tuner holes a perfect 90 degrees [don't have a drill press] and when I tried to string it up tonite they slip when there is string tension. Or at least one of them does. Any tips to fix? 

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  • T grip I have had a few of them do this...if you tighten everything down and it still slips...change it....but also just stay away from the super cheap tuners...

    I have bought this kind..they are cheap, look good, and I have never had a problem with them.

    http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2057872.m570....

  • Replace the slipping tuner

    • And indeed, John that's what I did. It now holds tune and sounds nice. Thanks to all!

  • T-Gripped >

    At least in part, your problem could be your wrapping of the strings around the tuning posts..
    Maybe try a “pro wrap,” keeping the strings as neatly & tightly wrapped as possible:

    http://www.fretnotguitarrepair.com/repair/acoustic-guitar/string-ch...

    Gibson:
    http://www.gibson.com/News-Lifestyle/Gear---Tech/en-us/There-s-More...

    Martin:
    https://www.youtube.com/watch?v=GIzVdvzn8d8

    306491590?profile=original

    • Jim's suggestion on the string winding is a good one. Personally I like the PRS approach.
    • It looks like your only problem is that you are not fitting the strings right - you only need 2 or 3 wraps around the post. You don't need to lock them off when wrapping them, just leave around 1 inch extra when starting to wind them on and always coil the string down neatly towards the headstock with no overlaps. I've never had a tuner that "slips" - on really poor, sloppy  ones the gears will actually skip a tooth, and you can hear and feel that happening. In my experience, 90% of so called "slipping tuners" is due to problems with incorrectly installed strings.

    • Thanks John [and all]

      My sloppy stringing is an issue I'm sure. But when I removed the strings and simply turned the pegs with no tension they alternated between binding and smoothly turning. This leads me to believe that a major factor in this case is improper mounting of my tuners: either my hole for the bushing is not at a perfect 90 degree angle, or my hole for the peg is not, or the surface of the back of the headstock is off. :(    

      My neck is formed from a hand-tooled leftover piece of oak flooring so it was not a perfect rectangle to begin with. 

    • I've just had another look at the tuners you are using -  these sort of cheap Chinese tuners with stamped baseplates are often dreadfully sloppy and inaccurate. You can get lucky and get decent ones, but often they are very inconsistent, and are either loose, or bind..or if you are really unluck they do both. I've bought (and thrown away) my fair share of junk machineheads in the past, so these days I'm a bit more selective as to what what I buy.

    • I'm not sure if this is possible, but it sounds like your peg/pin is bent. Did you check out the black screws holding the gears to ensure they're tight?
    • The black screws have been checked and they are indeed tight. However, I can 'wobble' the pin just a bit relative to the base plate. 

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