[ARC5] Re: [Milsurplus] tool help

[Mike Hanz]

You need full depth contact to have an even chance of breaking loose the 
set screw, Jay.  Using a phillips head will guarantee stripping the 
splines.  If the tip of the splines are twisted or deformed, you can 
dress the end of the Bristo wrench, but be *very* careful.  The better 
wrenches are hardened for a very good reason, and even a small amount of 
heating at the tip can temper it to a soft condition up to an eighth of 
an inch back.  You won't like its performance after that, unless you 
enjoy looking at small striped candy canes.  :-)

Mike

jcoward5452 at aol.com wrote:

> I've tried the spline and it doesn't seem to get in deep enough to 
> engage without stripping.Maybe I should "dress" the end on the 
> grinder?I'm thinking that a small phillips with long "teeth(?)" would 
> work.
> Jay
>
> -----Original Message-----
> From: WA5CAB at cs.com
> To: Jcoward5452 at aol.com; arc5 at mailman.qth.net; milsurplus at mailman.qth.net
> Sent: Thu, 2 Nov 2006 6:50 AM
> Subject: [ARC5] Re: [Milsurplus] tool help
>
> Jay,
>
> As Mike indicated, the two smallest Bristol drivers are four-flute 
> instead of
> six.  The smallest knobs (usually the locks) on a lot of military sets 
> use
> them.  O-16 and O-17/ART-13 come to mind.  You probably need the 0.050 
> Bristol
> driver.  The Walsco and GC wrench sets came with them, as did the 
> Xcelite one.
> Some of my Xcelite drivers are wound up from loosening locking knobs 
> on the
> oscillators, and also on Command Set transmitters.
>
>