[LargeFormat] Durst 138S focusing problem

Clive Warren largeformat@f32.net
Mon Jun 18 19:40:01 2001


At 1:24 pm -0700 18/6/01, Don Wilkes wrote:
>At 04:07 PM 6/18/01 +0100, Clive Warren wrote:
>
>>Ran my had over the focusing track last night briefly and didn't feel any
>>gears - if I get the time tonight will take a quick digital snap and put it
>>up on the f32 Discussion Forum at http://www.f32.net/discus/
>
>I fiddled about a bit on Friday night, but didn't make much progress.  With
>the enlarger positioned in a right-angle corner or the room, with the bench
>to its left, it's difficult to crane my head around to the back. I was
>hoping to unbutton the panels around the focus mechanism, but couldn't see
>well enough to determine what tools I'd need, let alone get at it...rats.
>Anyhoo, I wiped the rail (gearless, as you say) and put some lubrication on
>it.  This didn't seem to have much effect.  In running the focus up and
>down, though, I seemed to encounter a spot where it consistently slips -- I
>wonder if the wheel that runs on the rail has developed a flat spot?  Hmm.
>One thing that was positive was that I seem to be able to get to critical
>focus without a lot of to-and-fro by exertng a bit of upwards lifting
>pressure on the head while I focus (if that makes sense).
snippety

Don,

Have placed some photos and an explanation on the f32 Discussion Forum :-)

Please respond to the list and the forum, thank you.

Use this link to go directly to the discussion:
http://www.f32.net/cgi-local/discus/show.cgi?3/34

Hope this is useful.

Cheers,

         Clive