[pure-silver] Re: update on new venture into Large format

  • From: Bogdan Karasek <bkarasek@xxxxxxxxxxxx>
  • To: pure-silver@xxxxxxxxxxxxx
  • Date: Thu, 11 Apr 2019 15:12:43 -0400

While on the subject of lubricants, I have  a Speed Graphic... to advance the front lens standard, the long rail, that holds the standard, slides through adjacent rails on each slide.  If you've seen a Graphic, you'll see what I mean.    It takes an effort to turn the knob  that advances the lens standard rail..  Is there a lubricant I can insert into the retaining rails to  ease the sliding,


Thanks.

B.


On 11/04/2019 2:51 PM, Tim Daneliuk wrote:

On 4/11/19 4:58 AM, Laurence Cuffe (Redacted sender cuffe for DMARC) wrote:
It took a while. I then lubricated it with wd 40,

Never use WD-40 as a lubricant for fine, complex machinery.  WD was designed
to be "Water Displacing" - it leaves a residue behind to keep water away and
that residue attracts dust and grime.

The most important thing it to first thoroughly clean the moving surfaces.
For metal I used naptha OR alcohol.  Once everything is degreased/clean,
I use a *minimal* amount of fine machine oil rubbed onto the surfaces with
a lint free cotton cloth.  Oh, and shutters NEVER get oiled except maybe by
an person expert in CLA.



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