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R: Yaesu G5500 rotor repair progress



Hi Ken, W7KKE

The eight head screws are originally lodged by the nanufacturer
using loctite.

An impact driver can damage the threads and the screw can break
inside.

To remove the screw with easy is enough to heat the head using 
the flame of a general purpose gas torch while gently unscrewing.

73" de

i8CVS Domenico

----- Original Message -----
From: Ken Swaggart <k.swaggart@charter.net>
To: <amsat-bb@amsat.org>
Sent: Tuesday, March 01, 2005 5:22 AM
Subject: [amsat-bb] Yaesu G5500 rotor repair progress


> Thanks to everyone who responded with lots of good information to help
with
> my rotor repair! And yes, I needed an impact driver to dislodge the eight
> Phillips head screws. (For the U.S. hams, my local Ace hardware stocked a
> nice manual impact driver for about $10.)
>
> The unit had been up 2.5 years before the elevation section got sluggish
and
> finally froze. Here on the Oregon coast we got LOTS of rain and salt
spray,
> and some of it found its way into the housing. The gearing is fine, but
the
> bearings are shot.
>
> I've posted a picture of what it looked like inside at:
>
> http://webpages.charter.net/k.swaggart/W7KKE/rotor/rotor.html
>
> New bearings and retainers are on order, so it should be primed, painted,
> reassembled, and reinstalled in a week or so. I intend to use lots of
> lithium grease during reassembly!
>
> 73,
> Ken, W7KKE, CN75xa
> ----
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----
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