[R-390] Pinned Down - advice needed

[Barry]

eBay item 250922457769

Barry - N4BUQ


 On Tue 19/06/12  4:06 PM , "Charles P. Steinmetz" charles_steinmetz at lavabit.com sent:
> Chris wrote:
> 
> >On the PTO gear train, the pin diameters are
> estimated (a 1/16 drill >bit shank is too large) at 3/64" and and 1/32".  I
> checked all the >links provided and the thinnest diameter pin punch I
> could find is 1/16".
> Look harder.  I have pin punches down to 0.5 mm (~0.02", or 
> 1/50").  You are looking for watch or camera tools, not standard 
> machinist's tools.
> 
> >My ham radio breakfast group, who saw the PTO, pins
> and all, up >close this AM, was quite surprised by the diminutive
> size of the >pins. The consensus at the table was either live
> with it or try to >drill them out.
> 
> Pins are made to come out (by pressing, not by hammering), and if you 
> slow down a minute and approach the task rationally, you will be able 
> to figure out how to remove them without drilling or other ham-handed 
> foolery.  If they are solid, they may be taper pins (i.e., they come 
> out only one way).  If they are roll pins, they should come out 
> either way (they often have a distinct bevel on one end for starting, 
> which would tell you which way they were inserted -- but some are 
> beveled on both ends).
> 
> Best regards,
> 
> Charles
> 
> 
> 
> 
> 
> 
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