[R-390] Cosmos PTO adjustment

[KC8OPP Roger S.]

Bill,

Here is what I found and it fits a couple of the PTO's
that I have been into.  Some of them have slots for a
tiny jewel screwdriver bit, but then there is the
allen type.

Contact your Snap-On dealer and order up "MS2A".  this
is a multi spline L-shaped wrench.  Four flutes at
.033 inches.  When it comes in take your magnifier
with, it is very small.

Good luck and let me know what you find.

73's
Roger
KC8OPP

--- Bill Abate <wabate at dandy.net> wrote:

> I'm tackling the Cosmos PTO for linearity
> adjustment.  I have Dave's 
> article on how to do it but I'm having problems in
> finding out what tool 
> to use.  Those darn small screws are hard to see
> especially at my age!! 
>   I was able to determine (with an 8X magnifying
> glass!)that the cap 
> screw is an Allen head cap screw.  The smallest
> allen wrench I have is 
> .028" and it fits but jumps when I try to turn the
> screw.  I have no 
> idea what standard sizes allen wrenches come in. 
> 1/16" is way to big. 
> 1/32" is .032" but that does not seem like too much
> of a difference from 
> the .028 that I have.
> 
> Anybody know what size wrench I should be looking
> for?
> 
> 73,
> 
> Bill, K3PGB
> 
>
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