IMHO, A properly sized new phillips screwdriver - of good quality .
A good quality SD is hard and sharp.

M R
----- Original Message -----
From: "Todd Last" <Rubatoguy@MINDSPRING.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, June 17, 2002 02:07 AM
Subject: Re: Easier way to fix worn tracks in AFM - Method 2

> What is the trick in getting those screws out in the first place without
> stripping the heads?
>
> Todd
> '88 Westy
>
> Marshall wrote:
>
> >Hi Volks:
> >
> >The most common way to remedy a worn-out AFM, is to remove the circuit
board containing the resistive track - and slightly "slot" the screw holes.
> >
> >This allows the circuit board to be repositioned slightly when put back
in - thus allowing the wiper to sit on fresh resistive surface.
> >
> >Today, I thought of a much easier way to accomplish the same goal.
> >
> >Remove the screws holding the circuit board down - and we will "operate"
on those, instead of the circuit board.
> >
> >Our goal here is to make a portion of the screw's "thread shaft"
narrower - instead of making the circuit board holes larger. Then when we
put the screws back in, there is some play in the position of the board -
which is exactly what we want.
> >
> >So, get the dremel, or a small file, and operate on the area of the screw
shaft, to a distance down from the screw head,  about the thickness of the
circuit board. Don't go too far, or the screws won't have threads to screw
in.
> >
> >I guess in case you mess up, it'd be handy to have some replacement
screws around.
> >
> >Messing up screws sure beats messing up the circuit board - who's got
spares of THAT?
> >
> >Now, I called this procedure "Method 2". While I was writing it - I
thought of "Method 3" - which is even easier than Method 2.
> >
> >Any guesses how it would work?
> >
> >Marshall Ruskin
> >84 Westy
> >
> >
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