[TowerTalk] G 1000 DXA alignment?

[Roger (K8RI)]

jim Jarvis wrote:
> Anybody got a foolproof alignment procedure for a Yaesu g1000dxa rotor?
>
>   
I don't know how they are set up mechanically, but if you remove the pot 
(if possible) can you get the proper readings by manually turning the pot?

73

Roger (K8RI)
> I replaced the motor in this thing, like 7 years ago, and it's been  
> on the shelf  ever
> since.   Have now confirmed that it rotates in the correct direction,  
> and over 450 degrees
> travel.
>
> The control box indicator doesn't align with the rotor.
>
> Note that all possible variables have been diddled with,  including  
> removal of
> the sending pot and tweaking of the calibration, and moving of the  
> pointer.
>
> I WAS methodical about this, way back when... not moving the  
> alignment pot,
> nor the cal nor the pointer... but when assembled it wouldn't rotate  
> through 450 degrees.
> So I shelved it.
>
> Careful reassembly, paying attention to the stops restored  
> rotation.   But the pointer is off.
> I tried aligning everything to North... but that didn't work at the  
> extremes.   So I tried aligning
> to the left 180 degrees... and that wouldn't align going to the  
> right, to the overlap stop.
>
> I have the feeling I'm getting close on this, but clearly I'm missing  
> some relationship.
>
> At this point, I'm sure the proper procedure for motor replacement  
> begins with
> "mark upper and lower casings at the point of the cast alignment  
> hacks..."
> Naturally, I didn't start with that, but I think I've reconstructed  
> it, given that we're rotating ok.
>
> Suggestions welcome.   Thanks, in advance.
>
> N2EA at arrl.net
>
>
>
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