[TowerTalk] Very Old Grease Characteristics

[kd4e]

> We are stymied in our work to bring the Jamesburg 30 meter dish back into 
> operation.  The dish is currently in the "stowed" position, pointing 
> straight up.  It is locked in that position by a 3" diameter stainless steel
> "pin" that is electrically driven up a cylinder, into a hole in the heavy 
> steel elevation motion  system.

Have you tried PB-Blaster?

I have not yet found anything that it is not
successful in penetrating and loosening.

-- 

Thanks! & 73, doc, KD4E
... in sunny & warm Florida  :-)
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