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Gotoh open back tuner installation
http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=37955
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Author:  EddieLee [ Tue Oct 09, 2012 5:33 pm ]
Post subject:  Gotoh open back tuner installation

I am installing Gotoh open back tuners part number GNS1B from LMI on my first guitar. I have not been able to find any instructions on installing these. I am confused about what size hole to drill for the shaft and how to counter bore for the bushing.

The shaft is 1/4 inch (6.35 mm) but by the housing where the shaft sets, the diameter is .295 inches (7.5 mm). Should I drill the through hole 0.295 inches or will 1/4 through hole be best to use.
What is the best way to put in the counter sink for the bushing?

Thanks

EddieLee

Author:  Pat Foster [ Tue Oct 09, 2012 6:02 pm ]
Post subject:  Re: Gotoh open back tuner installation

Eddie,

That little lip is only 2mm tall, so I just use a countersink. Keep the rest of the hole at 1/4". You want a good fit for the shaft.

Pat

Author:  TonyKarol [ Tue Oct 09, 2012 6:03 pm ]
Post subject:  Re: Gotoh open back tuner installation

Drill a 1/4 inch hole all the way thru .. then drill for the countersink on the back end/plate of the tuner. You will need a Stwe mac drill/reamer for the bushing - I think the std size for waverlies works fine .. but measure the bushings to be sure

Author:  nyazzip [ Tue Oct 09, 2012 8:03 pm ]
Post subject:  Re: Gotoh open back tuner installation

just experiment with different bits on a piece of scrap made of the same wood and find what works best

Author:  Ken Franklin [ Wed Oct 10, 2012 2:18 am ]
Post subject:  Re: Gotoh open back tuner installation

TonyKarol wrote:
Drill a 1/4 inch hole all the way thru .. then drill for the countersink on the back end/plate of the tuner. You will need a Stwe mac drill/reamer for the bushing - I think the std size for waverlies works fine .. but measure the bushings to be sure

+1

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