[amsat-bb] Re: Yaesu 5400B "guts"

David Palmer KB5WIA kb5wia at amsat.org
Mon Jun 25 09:37:12 PDT 2012

Hi George,

I had a lot of difficulty finding this information as well -- in my
case, as to whether a G-5500 could directly use G-5400 parts.  Yaesu
says "no", and it was hard to find those with direct experience in
parts swap.

It may be possible to overhaul the rotor yourself, depending on what's
damaged.  I've regreased mine, repaired the motor, cleaned the brake,
realigned the sensors, etc.  Photos in the links below (for the 5500
but 5400 is similar).  The process is rather involved, but if you have
lots of patience, it might be possible get the thing running again.


Best regards,


On Sun, Jun 24, 2012 at 9:28 PM, George Henry <ka3hsw at att.net> wrote:
> Does anyone know offhand whether the "guts" of any particular past or
> present Yaesu rotor are a direct replacement for those of a G-5400B azimuth
> rotor?  I sent mine to Yaesu for an overhaul, and they returned it saying
> parts were no longer available...
> George, KA3HSW
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