[Swan] Fwd: 500cx band switch problems

[Ken Winterling]

Dale,

The 500cx uses a band-switched VFO that is mechanically coupled to the band
switch.  You probably noticed the VFO lever linkage attached to the band
switch shaft just behind the partition in front of the last band switch
section.  Did you also check the operation of the VFO linkage in the VFO
compartment on the top of the chassis?  It would also need lubrication.

Despite proper operation and good lubrication the band switch on the 500cx
is stiff.  I would compare it to the band switch on a Drake T-4XC that has
a 90 degree gear box for selecting the proper crystal.  It should not
require significant force, just a firm grip on the knob.

Ken
WA2LBI



On Sun, Feb 12, 2012 at 14:04, yash at aol.com <yash at aol.com> wrote:

> Just picked up a really nice and clean,little dust, 500cx. the band switch
> with all its linkage was hard to turn between bands. went and put a tiny
> drop of watch oit on all the pivot points and let sit over night. This
> morning the switch movement was a bit better,but still not a easy touch of
> the knob. This is the first swan hf rig that I have worked on with all this
> linkage, Maybe Iam expecting too much? Is the bsnd selection on these rigs
> a tight turn or do I need to go further  and pull it all apart.
> thanks
> for any help
> dale wt4t
>