Hello,admire your precision electromechanic work! Great post despite the fact that I did not found such poor contacts on NS1000 nor NS690 which are lighter Noble version.Anyway I see that you are using Sanhyato model ECB-50 for cleaning but what oil you are using for lubricating volume pots!? Thank you
The lubricating oil is an original blend of raw materials. Although it is a Japanese site, it introduces the development history souzouno-yakata.com/2002/05/18/2156/