Bogdan Karasek wrote:
Hi all,
I'm addressing to the owners of Omega D-2 enlargers. I'm working in the
darkroom and notice that the focus knob and rod are making a squeaky
sound when I focus and I'm finding that I'm having to put a bit more
effort into turning the knob than I should be.
I'm thinking that the focusing mechanism needs some lubrication. Any
suggestions as to type of lubrication I should use, oil, light, thick,
white grease.....??? Where should I place it.... Quantity....???
All suggestions are welcome. Thank you.
0) This is gonna be a little messy - lay down some thick newspaper
under the general area of work. Loosen the rods and guides
as needed to get at everything.
1) Clean the rods exterior and the groove along the back - naptha
or lighter fluid will work, though it is not a great idea to
be in constant skin contact with the stuff, so wear gloves (and
eye protection ... always).
2) I lube the guide slots in the back with a light lithium white grease.
I lube the exterior of the rods with a VERY light coating of high
quality fine machine oil. I apply the grease into the groove sparingly
with a Q-Tip and wipe the rods down with a cotton rag lightly soaked
in the oil.
3) Be sure to check to adjust the tension on the spring plates.
4) Reassemble and tighten - this is the really, really fun part.
Make sure the lens mount, rods, and so on are properly aligned.
I use a laser alignment tool. BTW, I found that replacing those
silly slot head bolts that came with the D-2 with hex head bolts
makes it waaaaay easier to tweak in an alignment setting.
HTH,
I've-Spent-Too-Much-Time-Rebuilding-D-IIs-Ly Yours,
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Tim Daneliuk tundra@xxxxxxxxxxxxxx
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