Re: cleaning classic K-1000
- From: Scott Schuckert <not@xxxxxxx>
- Date: Tue, 20 Dec 2005 09:37:41 -0500
In article <1135010285.088705.310340@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
<"campbellbrian2001@xxxxxxxxx"> wrote:
> I have a 1979 Pentax K-1000 which has been a constant companion for 26
> years since I was 15yo. I kept it clean for years until the kids cam
> along and I handled it with popcorn grease, sandy-salty seashore hands
> with traces of sunscreen. I need to know how to do some basic cleaning
> of the film area and the seams of the body to assure any oils, disolved
> salts, etc. don't contact the film. I have dusted with a blow-brush and
> compressed air, but should I use any solvents to clean the film area or
> the body (isopropyl, etc.).
> Thanks! Brian
>
I wouldn't go STRAIGHT to lighter fluid... (which is usually naptha,
though benzine used to be used) it's often tough on adhesives and
occasionally plastic parts.
1. Use a soft brush to remove loose sand and debris. Do this while
holding the camera up and brushing from underneath, so gravity helps
remove the dirt.
2. Then try a little Dust Off or compressed air using the same
orientation and brief puffs. The goal here is not to drive dirt INTO
the mechanism.
3. For smeary stuff (like the popcorn grease and sunscreen) I generally
try different solvents, in the following order: Windex, isopropyl
alcohol, and lighter fluid. They'll dissolve different things, based on
the chemistry. If it all comes off before you get to the lighter fluid,
so much the better. Q-tips are your friend, as is an old t-shirt for
wiping.
4. Be careful not to use too much of any of these (especially the
Windex), lest they seep into the body or lens.
5. If possible, use 100% isopropyl, instead of the 70% sold as rubbing
alcohol. Warning: SOME "rubbing alcohol" has oil added to it so as not
to dry your skin. Avoid this, of course, like the plague.
6. All this is based on avoiding the cost of a professional cleaning -
which is best, of course. Your old friend will have a lot of interior
gunk and dried lubricants by this time. For mechanical cameras like
this, I like to see a CLA every decade or so.
.
- References:
- cleaning classic K-1000
- From: campbellbrian2001@xxxxxxxxx
- cleaning classic K-1000
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