MAMEWorld Forums - Ultimarc - Sticky Ultimarc Controllers

So a few years back I build a cabinet and used Ultimarc digital controllers...they started being sticky and not feeling "fluid" in moving them. Now with my son being a good age to start arcade gaming...I would like to resolve this issue. I just took it fully apart and it "seemed" to help for about 3 or 4 games of Ms.PAc Man...then sticky again. Both of my controllers do this. Cabinet is inside my house with an AC temp of always being 72-73 degrees year round (Florida).

These are the controllers I have: http://www.ultimarc.com/ultrastik_info.html

Any suggestions would be great.

Thank you kindly!

*Edit*
Sticky: able to move the joystick to any corner and it doesnt "bounce back" to center position.

Edited by usaohmmeters (03/29/18 03:08 AM)