VT340 focus adjustment?

From: Don Maslin <donm_at_cts.com>
Date: Sat Apr 7 15:13:19 2001

On Sat, 7 Apr 2001, John Lawson wrote:

>
> Glyptal, if you can find it anymore.... but unless it is *really* loose,
> I'd be tempted to just leave it be. The less messing with such stuff, the
> better.
>
> And of course, now you know where the tweak is, it's trivial to adjust
> it again and then seal it. The problem with sealing is... if some thing
> in the focus or HV chain is drifiting badly, and you gunk up the focus
> pot, then, after repairs are effected, you have to un-gunk the control and
> adjust it yet again. In my experience, sometimes these things don't take
> too kindly to being messed with a lot.

Well, maybe. In a case like this, the better approach is to apply just
a dot of glyptal (or nail polish, for that matter) to one side of the
adjustment rather than 'paving it over'. That way any required future
adjustments need only to crack the dot rather than remove it altogether.

                                                 - don
 
> Cheerz
>
> John
>
>
>
>
>
Received on Sat Apr 07 2001 - 15:13:19 BST