center pinning changes

[reggaepass at aol.com]

List(s),

I've noticed something that I don't understand on a few actions with 
Renner parts.  Initially, the pinning is just right (either came that 
way or were made that way).  Eventually, some of the pinning becomes 
too tight.  When I apply the smallest drop of lubricant, the pinning 
that was too tight immediately becomes too loose.  This has happened 
with both hammer and repetition lever centers.  I don't get it.  Has 
anyone out there had a similar experience?  Does anyone have any idea 
what is going on?

Thanks,

Alan Eder


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