|[AMRadio] PTO ready to install, but...|
w5jo at brightok.net
Mon Feb 6 09:04:29 EST 2006
Hey John, congrats on the work. Sounds like you might make a tech
yet..............Those things are terrible to get out and you have done a
----- Original Message -----
From: "John Lawson" <jpl15 at panix.com>
To: <amradio at mailman.qth.net>
Sent: Sunday, February 05, 2006 9:54 PM
Subject: [AMRadio] PTO ready to install, but...
> None of the three Bristol wrenches that were clipped under the lid are
> the right ones for the PTO Oldham coupler - so I'll have to wait for
> Tuesday to get the set I ordered from McMaster-Carr - $10 for a set of 9,
> 4- and 6-flute - not a bad deal. www.mcmaster.com and search for
> 'bristol' then scroll down a ways.
> Found out that the problem with the center-point offset was gross
> mis-adjustment of the 'span' coil - the closer I pulled it in, the better
> the linearity got - now she's within about 1.5 KHtz overall - back in the
> radio it goes. Then - the kit of new (NOS, and/or tested to new spec)
> tubes, a thorough RF-IF alignment, and we'll see how the Old Girl does.
> I'm hoping to be rather pleasantly surprised - it sure will look pretty,
> at any rate!
> John KB6SCO
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