[amsat-bb] Re: Kenpro 500 parts?
gregory.beat at comcast.net
Thu Nov 18 13:58:00 PST 2010
Unless you have access to a local machine shop and machinist,
your only source for these Japanese manufactured parts is Yaesu USA.
SOME of the KR-500 parts may be identical (common) to the current production Yaesu G-550 elevation rotator.
Yaesu purchased the Kenpro Company which originated these designs.
The individual azimuth and elevation rotators were KR-400 and KR-500.
Later came the KR-5400, the KR-5400-A/B and the KR-5600-A/B.
[i]After the purchase, Yaesu eventually changed these prefix designations to "G" from the earlier "KR".
DIY REPAIR SITES for the KenPro / Yaesu Rotators,
Courtesy of the previous KenPro/Yaesu queries from QRZ and AMSAT-BB reflector (archives)
Henk, PA3GUO (Netherlands) described the repair and cleaning of the KR400 and KR500 rotators (Photos).
KENPRO-YAESU ELEVATION ROTATOR MAINTENANCE
This is a useful collection of articles compiled by longtime AMSAT member Ron Long W8GUS.
Common faults of the KR-500 series elevation rotator and its derivatives are described.
Instructions, hints and tips for disassembly, cleaning, and rebuild are included. ZIP File size 11.5K.
W7KKE had a web page that demonstrated the rebuilding of his Yaesu G-5500 Az/Elev rotator,
however that web page is now gone. : -(
IF you need parts or desire to have the rotator repaired by Yaesu, you can contact the Yaesu service department in California that handles rotator repairs.
Vertex Standard USA
Attn: Amateur Repair
10900 Walker Street
Cypress, CA 90630
For customer service, technical support or parts, please call: 714-827-7600
K6VLF in Fresno, CA started a repair business for older KenPro / Yaesu rotors ---
Contact him for details!
* Phone: (559) 264-0772
* Email: k6vlf at comcast.net
* Web: http://yaesurotorrepair.com
Talino, IZ7ATH has photos (belt) of his repair
His web site
KenPro KR-500 manual
Yaesu G-550 manual
Date: Thu, 18 Nov 2010 00:37:12 -0500
From: Tony, K2MO
Subject: To: AMSAT-BB
Can anyone tell me if the mounting hardware on the Yaesu G-550 is the same
as the old Kenpro KR-500? Anyone other than Yaesu selling parts for
Tony - K2MO
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