[Amps] Bird 43P Stopped Working
k2ztdx at gmail.com
Tue Nov 17 23:46:45 EST 2020
Thank you all for your help!
I very carefully wiped the finger in the line section with the smallest
amount possible of Deoxit, reinserted the 2500H slug and rotated it several
The meter now works again!
I appreciate all of your direction!
On Sun, Nov 15, 2020, 6:23 PM Jeff DePolo <jd0 at broadsci.com> wrote:
> > I think the slug contact in the line section may be at fault, or maybe
> > coaxial pigtail.
> The slug contacts are silver-plated, but can still result in intermittent
> contact if not "wiped" by a rotating slug now and then. If it's been
> sitting a long time, they may just need some TLC with a gentle cleaning
> using IPA or contact cleaner.
> The "DC" (directional coupler) connector for Bird line sections is
> for developing a poor connection, either at the contact interface between
> the connector and the line section, or where the center conductor of the
> coax is inserted through the spring-like center pin contact. If cleaning
> the interface doesn't fix it, you may have to take apart the connector (it
> will likely be obvious how to do so), cut off and re-prep the end of the
> coax, and insert and re-assemble.
> If none of those fix it, there's a possibility that the meter movement is
> bad, but from my experience, that's the least-likely suspect given the
> symptoms you've described.
> --- Jeff WN3A
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