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home | newest check | boards | help index | log | ps | userlogin | send sysop | slog | status forward | bcm news | users | version | remove cookieHP2DFA > AMSAT 24.10.26 01:34l 33 Lines 1268 Bytes #11 (0) @ WW BID : 5564_HP2DFA Subj: AMSAT-BB SUMMARY: REPAIRING YAESU G5400 ROTOR MOTORS Path: JH4XSY<IW0QNL<SR1BSZ<EA2RCF<LU9DCE<PY2BIL<HP2DFA Sent: 261023/1627Z 5564@HP2DFA.#COL.PAN.CEAM BPQ6.0.24 TECHNICAL DISCUSSION ON REPAIRING AND REWINDING MOTORS FOR YAESU G5400 / KR5400 ROTORS AMSAT-BB MAILING LIST / AUTHOR: JOHN (M5ET) - REPLY TO JIM (WD0E) DATE: OCTOBER 23, 2026 ISSUED VIA BPQ32 NODE HP2DFA-5 IN PANAMA ================================================== 1. OVERVIEW & G5400 MOTOR ISSUE ================================================== JIM WHITE (WD0E) POSTED ON AMSAT-BB REGARDING TWO YAESU G5400 ELEVATION ROTORS TOLD BY YAESU SERVICE THAT REPLACEMENT MOTORS ARE UNAVAILABLE, A COMMON ISSUE WITH NO DIRECT AFTERMARKET REPLACEMENTS FOUND. ================================================== 2. REPAIR & REWINDING SOLUTIONS ================================================== JOHN (M5ET) NOTED THE OLD G5400 IS LARGELY IDENTICAL TO KENPRO'S KR5400 (PAIRING A KR500 ELEVATION AND KR400 AZIMUTH ROTOR). - **MANUAL REWINDING**: IF A MOTOR WINDING IS BAD, IT CAN LIKELY BE REWOUND BY HAND TO SALVAGE THE UNIT. - **USEFUL REFERENCES**: * W5IM KR500RW Guide: https://www.qsl.net/w5im/KR500RW.html * Kenpro KR-500 Exploded Diagram: https://www.radiomanual.info/schemi/ACC_rotator/Kenpro_KR-500_user_IW1AU.pdf CREDITS & SOURCES: AMSAT-BB / JOHN M5ET / JIM WD0E NODE CONTACT MAIL: HP2DFA@GMAIL.COM / HP2DFA-5@BPQ32 73 DE HP2DFA-5 / BPQ32 NODE PANAMA
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