1.) Make sure your screwdriver is top quality and fits perfectly. I use Wiha brand PH000x40 or PH00x40 for this. 2.) Always _tighten_ the screws first, this often breaks them loose. 3.) Use tiny quantities of penetrating oil and a LOT of patience. The oil often takes a day or two to get to to where it's needed. 4.) Tap the screwdriver handle sharply several times, this also helps break the screw loose.
I've only had a few I couldn't break loose, almost always because I got in a hurry and stripped, or broke, them. HTH Don > -----Original Message----- > From: alkos [mailto:[EMAIL PROTECTED] > Sent: Thursday, May 11, 2006 6:28 PM > To: pentax-discuss@pdml.net > Subject: Re: Aperture repair on a M lens? > > > Don Sanderson wrote: > > it's an > > easy fix IF the mount screws are not frozen. > > ... and if they are? Any sugesstions? I've got a M35/2.8 and M35/2 with > sticky apertures to repair ;-) > > cheers > > alkos > -- > "go out, burn some film!" > 24x36 at op pl > http://pad.go.pl >