[amsat-bb] Re: Yaesu G500 bearings, KLM antennas

[Jim Jerzycke]

The last time I rebuilt a rotor, I got the bearing
balls from Small Parts, Inc. They have quite an
assortment of 'stuff' for various mechanical projects.
http://www.smallparts.com/
73, Jim  KQ6EA

--- KYLE YOKSH <yokshs at sbcglobal.net> wrote:

> Hello,
>    
>   I've got a KR-500 and G500a rotor that need a good
> servicing. I've found a lot of great info in the
> archives that will help me, but still have a few
> questions..
>    
>   I've read that the original bearings were steel,
> and begin to rust almost immediately after
> installation.  Can anyone suggest a better quality
> bearing, and perhaps a source and part number?
>    
>   I've also read that the bearing cages are subject
> to failure, and some folks prefer to ditch them
> altogether. 
>    
>   I'm also curious if anyone has any suggestions to
> optimize my old KLM crossed yagis?
>   I use a KLM 2m14c and 43518c, and they seem to
> work fairly well, but are not exactly
>   top performers. I've never opened the polarization
> switcher units on either antenna, but suppose I
> might want to clean the relay contacts? 
>    
>   Since my tower must be tilted over to service the
> rotator and antennas, I'd like to get several years
> of service out of this gear.
>    
>   Thank you for any help.
>    
>   73,
>    
>   Kyle
>   K0KN
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