I have a Yaesu FT-757GXII All was going fine until my Main Tuning
Dial
started getting very hard to turn.CW and CCW It just totally seized up
on
me Never had this happen before This has nothing to do with the tension
adjusting screw or the Electronic Frequency Lock switch Has anyone ever
encountered this... ????
Please advise Thank you....John

Mine did the same thing. I pulled the knob off and put some penetrating oil
on the shaft. Kroil was the name brand as it does not setup and get gummy
after a week or so like some will. let it sit a day or so and put some
pliers on the shaft and turned it. It finally loosened back up.
Works fine after a couple of years now.