[Milsurplus] Dynomotor lubrication

Mike Hanz aaf-radio-1 at aafradio.org
Tue Nov 10 10:39:47 EST 2009


Mobilith SHC100 synthetic electric motor grease.  Its evaporation rate 
is lower than the old style greases.  For testing purposes, a couple of 
drops of Mobil I or Castrol synthetic motor oil is advisable...after 50 
years there aren't any lighter lubricants left in the grease, and that's 
what provides the critical bearing film, not the soap binder that 
remains over time.

73,
Mike

Military1944 at aol.com wrote:
>  
> Dynomotor lubrication
>  
> What the best thing to use to lubricate some dynomotors with, grease, oil,  
> etc?
>  
> I have a dyno supply with 2 dyno's, 250 and 550v, ex Russian, 26v  drive.
>  
> They are running but guess after 50 odd years they might benefit from a bit 
>  of tlc. 


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