[Elecraft] K3 static electricity

[Greg - AB7R]

Thanks Steve.  Please keep K3Support at elecraft.com informed of what you find.

Also check the hex nuts the go over the encoder shaft on the top of the FP (under the 
knob) to make sure they are snug enough to ensure the bare metal underneath is in 
contact with the inside tooth washer.  If those retaining nuts are not snug you may not 
have good contact.

-------------------------
73,
Greg - AB7R
Whidbey Island WA
NA-065


On Tue Dec  1 15:46 , "Steve Ellington"  sent:

>I'll get the ohmmeter after it tomorrow and find out if the vfo shaft is 
>actually grounded. Serial #410 but the FP is almost new. I didn't have this 
>problem last winter so the new FP must need some attention. 73
>Steve
>N4LQ
>N4LQ at carolina.rr.com
>----- Original Message ----- 
>From: "Greg - AB7R" ab7r at cablespeed.com>
>To: "KM5Q" km5q at mac.com>; Eric at mailman.qth.net>; 
>Swartz at mailman.qth.net>; - at mailman.qth.net>; WA6HHQ at mailman.qth.net>; 
>"Elecraft'" eric at elecraft.com>
>Cc: elecraft at mailman.qth.net>
>Sent: Tuesday, December 01, 2009 6:19 PM
>Subject: Re: [Elecraft] K3 static electricity
>
>
>>I email'd him when he first posted to check for good bare metal contact 
>>with the inside
>> tooth washer on the encoder shaft behind the FP.  Never heard back.
>>
>> -------------------------
>> 73,
>> Greg - AB7R
>> Whidbey Island WA
>> NA-065
>>
>>
>> On Tue Dec  1 15:00 , "Eric Swartz - WA6HHQ, Elecraft"  sent:
>>
>>>I've asked our support guys to contact him. This usually only is a
>>>problem on very earlyK3s where the inside area of the front panel sheet
>>>metal was not masked off when powder coated. That resulted in leaving
>>>the VFO encoder shaft un-grounded. Its possible one of the newer FP
>>>sheet metal pieces slipped through our QC inspection with this.
>>>
>>>73, Eric
>>>
>>>====
>>>KM5Q wrote:
>>>> Hold on a moment Steve. Before you buy a humidifier, let me suggest
>>>> that something appears to be ungrounded internally as you suggest. My
>>>> shack is in an unhumidified work space in New Mexico. I can generate a
>>>> good bit of static if I wear a fleece sweater and slide just so on my
>>>> office chair. I've zapped against my K3 many times (it's grounded of
>>>> course) and it's never once caused a reaction.
>>>>
>>>> You might want to ask the factory. I think you have a problem.
>>>>
>>>> Windy KM5Q
>>>>
>>>>
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