I had a G-400 which is basically the same thing. I found that there is a
rubber belt in the housing that controls the indicator from another motor.
It's not a direct coupling. Mine was slipping so I replaced it until the
whole unit gave up working. I have a spare here if you need it. It's much
like a fan belt. The original one in my controller actually broke due to it
getting very brittle.
It's a bit of a PITA to change it though.
73 -- Paul VO1HE
> -----Original Message-----
> From: firstname.lastname@example.org
> [mailto:email@example.com] On Behalf Of KI9A@aol.com
> Sent: January 17, 2009 17:10
> To: firstname.lastname@example.org
> Cc: email@example.com; firstname.lastname@example.org
> Subject: [CQ-Contest] Yaesu G-450A rotor troubles
> I am on my 2nd Yaesu 450a rotor, in the past 4 years. The
> rotor is fine, the control box has issues. Here is what I see:
> Indicator seems to work fine, going from due south,
> clockwise, until it gets about 300 degrees. then it seems to
> stumble, and, stops at 90 degrees east.
> The rotor rotates the whole 360. The problem isn't with the
> rotor, as I have 2 rotors, and both act the exact same.
> Could it be the pot in the box, or the little motor that
> drives the indicator needle? I would guess I'm not the only
> one who has had this issue, any comments, or ideas?
> 73- Chuck KI9A
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