[Elecraft] Main tuning knob rough

[Jeff KB2M]

 I just noticed a problem with the main tuning knob on my K3 #1516 this
morning. I noticed it when I was tuning around using the finger dimple. The
odd thing is it only feels rough when you turn the knob counter-clockwise
while applying slight pressure to facilitate using the finger dimple. I took
the knob off, repositioned it(making sure it was clear of the front panel
and not crooked, it wasn't) and still have the problem. It is bad enough
that after several turns it causes the rotation to stick. Once again this
only happens when turning counter-clockwise, with slight finger pressure in
the dimple.
 What I find interesting is that I hardy use the tuning knob as I use an
LP-Pan with PowerSDR and tune around with a mouse. I get the feeling that
the problem is with the VFO A encoder. Any ideas? 

73 Jeff kb2m