[Elecraft] KPA-500 clicking as the temperature changes

[Nr4c]

I think it’s the “Z” bracket inside. 

Sent from my iPhone
...nr4c. bill


> On Jun 25, 2020, at 10:12 AM, Howard Sherer <hms4 at lehigh.edu> wrote:
> 
> I have had a KPA500 for many years and the only annoying thing is that I
> hear clicking of the metal case parts as it heats up and cools down. all of
> the case screws are tight and I had this problem from the early days even
> before I had to remove the RF deck and send it to the factory for minor
> repairs 2 years ago.
> 
> I don't think there is a way to find the source of the clicking unless I
> bypass the interlock and run it with the case panels off. Have others had
> this occur and if so did you find the source and solution?
> 
> Howard
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to nr4c at widomaker.com