Nope. A cotton swab is likely to damage the blades or, at the least, leave
tiny threads which will cause further problems. Flush the blades with a
gentle stream of Ronson lighter fluid or similar clean-evaporating solvent.
(Naturally, in open air and away from ignition sources.) No blasts of
solvent from aerosol cans.
The diaphragm should be relubricated to prevent long term wear, but this is
the tricky part. Very few commonly available lubricants are suitable. Most
pro camera/lens repairmen are probably still using the container of whale
oil they inherited from their predecessors. I've used dry moly powder
(similar to graphite powder with far better lubricity). It's available from
Beeman Precision Airguns and other sources. Work it into the metal by
opening and shutting the diaphragm repeatedly. Gently blow out the excess.
Once worked into the tiny pores of metal moly can only be dislodged with
certain solvents, so it's a good long-term lube for certain purposes.
Lubing the focus/zoom helix or bearing surfaces is a whole 'nuther ball of
grease.
Lex
===
From: "Franklin A. Berryman" <rumford@xxxxxxxxxxxxx>
Subject: Re: [OM] Back to Olympus Content
Date: Wed, 06 Sep 2000 20:57:09 -0500
What did you use as a degreaser? I thought I would just wipe them
gently with a Q-tip to lift off the grease.
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