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Maroon Gem Half Nut Question

Posted: Sat Aug 09, 2025 8:23 am
by Couch Potato
I have a Maroon Gem with the half nut assembly as shown below left. It is clearly missing the adjusting set screw. Is that set screw (or perhaps round head screw) a #5-40 machine screw? Also, do all Maroon Gems have that adjustment? I ask because when I compare it to my Model A Gem that machine has no adjustment screw nor the piece to hold it and it works just fine. Thoughts?
Half Nut 2.jpg

Re: Maroon Gem Half Nut Question

Posted: Sat Aug 09, 2025 8:38 am
by JerryVan
Also, do all Maroon Gems have that adjustment?
My Model D, Maroon Gem has the same adjustment. My Model C, Gem does not. Apparently, it was introduced with the Model D.

Re: Maroon Gem Half Nut Question

Posted: Sat Aug 09, 2025 8:55 am
by Andersun
All the Gem Ds and Es had them. I got one I can send to you. Just PM me your address.