[R-390] R-390A gear train

[Chris Farley via R-390]

In a word, no.  

Keep track of where everything came from, but position will need to be all reset regardless.  Some could be off now and not even know it, anyway.  Compile that with reassembly, even if you marked shaft positions along with where the gears mesh-  one tooth off here, one tooth off there, by the time you get to the end you could be so far off it's not even funny.  Heed the wise advise given here many times before, along with following the tuturial below (it is also basically echoed in the Y2K tutorial but the photos are higher resolution here):
http://militaryradio.com/r390a-rfdeck-geartrain.html


Good luck

Chris kc9ieq





________________________________
 From: rbethman <rbethman at comcast.net>
To: R-390-List <R-390 at mailman.qth.net> 
Sent: Sunday, August 10, 2014 7:22 PM
Subject: [R-390] R-390A gear train
 

Okay,

I want to mark the position of ALL the gears in the current position, 
prior to taking it apart for the degrease step, to be followed by 
ultrasonic cleaning in the small one from Harbor Freight.

Yes, it will take time since it only holds a pint of fluid.  It doesn't 
matter how many runs it takes.

My concern is getting it all back together without messing up the 
position of the entirety.

I don't want issues that I can't recover from.

Is scribing the point of mesh between all or any faces a good method?  
Or is this mass overkill?

Bob - N0DGN
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