I have one of these, too. The calibration of the 50/150 watt position has
never been accurate. I'd appreciate knowing what you find out.
Zack W9SZ
On Thu, Feb 29, 2024 at 11:40 AM David Olean <k1whs@metrocast.net> wrote:
> I know this is a long shot, but my Bird 6154 wattmeter seems to have
> developed a serious problem and I need advice on fixing it. The thing
> has two ranges with a crystal diode that plugs into two connectors. 05
> and 0-15 watts works fine. The 50 and 150 watt position does not. It is
> way out of calibration. It used to work FB. (?) I am looking for some
> grizzled and crotchety old Bird employee who has the tribal knowledge to
> effect the repair. To calibrate these things you poke a small allen
> wrench into two openings on either side of the input housing. There is a
> hole for each range. The low power side works great and works fine. The
> allen wrench will turn something inside and adjust the power setting. ,
> but when I stick the allen wrench in the other side, I can feel no set
> screw adjuster so I think some Bozo may have turned the setting in too
> far and messed things up. I have to disassemble it, but it looks all
> soldered together. The guts are held in with a threaded locking nut. I
> can loosen that, but there is no way to pull the innards out without
> unsoldering things. It looks real dicey.
>
> I need to find someone who knows how they are built and can steer me
> properly. If I can't find anyone, I am on my own and will hope for the
> best, but we all know how that all works out.
>
> HELP!
> 73
>
> Dave K1WHS
>
>
> _______________________________________________
> VHFcontesting mailing list
> VHFcontesting@contesting.com
> http://lists.contesting.com/mailman/listinfo/vhfcontesting
>
<http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
Virus-free.www.avg.com
<http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
<#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
_______________________________________________
VHFcontesting mailing list
VHFcontesting@contesting.com
http://lists.contesting.com/mailman/listinfo/vhfcontesting
|