My 5500 has had a 450 motor in it for about 8 years :) It was cheaper to buy a used rotor than the motor from yaesu parts.
73, Drew KO4MA Sent from my iPhone On Oct 7, 2011, at 8:34 PM, "Jeff KB2M" <k...@comcast.net> wrote: > Ok I started working the problem tonight. I would first like to thank, Al > Wa4sca, Stan W1le, and Jeff N3qo, for some ideas on what the problem might > be. What I found so far is an open between 4 5 and 6. Any combination of > the three is open. So I'm assuming I burned out the motor windings in the > azimuth rotor to cause an open. I'm also assuming as the rotor is less than > 3 years old that it doesn't have a fused link? I went through my parts bin > and found a working Yaesu G-450 rotor. I wonder if the 450 and the 5500 > azimuth rotor use the same motor, did anyone try this? > > 73 Jeff kb2m > > > On Fri, Oct 7, 2011 at 7:09 AM, Jeff KB2M <k...@comcast.net> wrote: > > > Starting to put my satellite system back on the air. Now having > another > rotor problem. I think what happened is that after Hurricane Irene > passed > by, everything was working. Later that morning a surprisingly strong > wind > gust after Irene passed by blew my sat array over. I was unaware of > this and > when I tried to work a sat I had a very weak signal. I went outside > to check > the antenna system and found it laying on the ground. So what I > think > happened is that the rotor was trying to turn while the antenna was > on the > ground and burned out something in the rotor. It is not a cable > problem, it > is definitely in the azimuth rotor, elevation works fine. I swap > cables and > this showed the problem is in the az rotor only. Anyone have this > same > problem? I'm going to take the rotor apart this weekend and would > like some > ideas before I start. Any electrical test through the cable from > inside the > shack to determine the problem would be much appreciated :-) > > 73 Jeff kb2m > > > _______________________________________________ > Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the > author. > Not an AMSAT-NA member? Join now to support the amateur satellite > program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > > > > > _______________________________________________ > Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb _______________________________________________ Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
