[Elecraft] KPA500 Heat Expansion Pop

[Joe Word]

Are you still pop free after changing the screws? Are the five screws
you changed the ones installed on page 22 of the assembly manual?

Thanks,

Joe  N9VX

> ------------------------------------------------------------------------------------------------------------------
> I think I may have solved this problem. One of the other posts mentions that
> the Z-bracket screws are too long and you don't get a tight fit. I changed
> the five screws from 5/16" to 3/16" and did notice a better grip between the
> bracket and the PA assembly. I have run it all evening and haven't heard a
> click or a pop. I even ran the temp up and still nothing. Will it last? I
> don't know, but it seems to have fixed it. The guy who suggested this has
> submitted it to Elecraft for a change. Good luck and lets hear if any of you
> have the same result.