[Elecraft] K3 Knobs

[rfenabled at gmail.com]

(Snip)


The knobs in the bad batch will crack/split with just a slight 
tightening of their set screws.  That's what I encountered.  I've 
installed many equipment knobs over the years and was careful to not 
over tighten the sets screws per Elecraft's instructions.   
Never-the-less the old ones cracked.  Elecraft replaced them and so far 
all is well.
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Amazing, does anyone know the serial number range that these brittle knobs were shipped?

Are we talking about the four identical knobs but not the VFO's?

So far I have had no need to remove or adjust these.

Gary
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