[Elecraft] K3 Tuning Knob (was: K3 Tops the List!)

[David Ferrington, M0XDF]

So, whats the deal now, my Rev C (Nov 15, 2007) manual said one felt washer
under the main knob.
The errata sheet that came with it, Rev C-3 Nov 26, 2007 item 5 had me
change that to Two felt washers.

Please advise
73 de M0XDF / K3 #174


On 18/02/2008 14:16, "Bill W4ZV" <btippett at alum.mit.edu> sent:

> 
> 
> Ron D'Eau Claire wrote:
>> 
>> 
>> Very early on Wayne called for two felt washers behind the VFO A knob, but
>> then dropped one as several people reported your experience.
>> 
>> The K3 Assembly manual has called for only ONE washer to be installed
>> behind
>> each VFO knob since at least last October (Rev A of the manual that went
>> out
>> with the first customer shipments), and the parts list has called for only
>> two washers, one for each VFO knob.
>> 
>> Did I miss something? What document said to install two of them?
>> 
>> 
> 
> Page 33 of Rev C, K3 Assembly Manual (updated for Rev. C-2 ERRATA):
> 
> Figure 45-1 "PLACE ONE FELT WASHER (***singular***)..."
> 
> Figure 45-2  "PLACE THE KNOB ON THE SHAFT SO IT HAS THE DESIRED AMOUNT OF
> DRAG AGAINST THE FELT WASHERS (***plural***)..."
> 
> Given the fact that my kit had an extra washer and the documentation above
> was inconsistent, I concluded I should have installed two washers.  However,
> also being a firm believer in "If it ain't broke, don't fix it", I left my
> Main VFO knob with one washer installed.  I'm very happy with the action of
> both it and the Sub knob (which has one washer also).
> 
> 73,  Bill  W4ZV
> 
> 

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