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Hi Colin, I'm not sure what you mean by "focus slides", but there's a manual for an Olympus KHC here:http://www.alanwood.net/downloads/olympus-khc-instructions.pdfDo you mean the knobs for moving the slide/stage about? With the warning that I'm not a lab tech, only a user, and therefore not (oficially) certified to take any equip apart, if it's grease that's clogged up the works I'd be inclined to try to clean it/soak it with a bit of acetone, but note that acetone can dissolve some plastics too, so only use this on metall and glass parts.
Hi Colin,I have just purchased an Olympus KHC microscope.The scope needs a good clean but is in great condition for its age.The coarse focus slide is tight and the fine focus shaft appears to be seized, the fine focus adjusting knobs just unscrew when they are turned.I want to dismantle the microscope and lubricate the focus slides but could not find any useful information on the internet.Looking at your post I am wondering if you have any procedure for dismantling the focus system instead of me just going in blind.I am retired and would like to spend some time restoring the microscope back to working condition.To me it looks very well engineered and worth the time and effort.Cheers Gary.
... I'd be inclined to try to clean it/soak it with a bit of acetone, but note that acetone can dissolve some plastics too, so only use this on metall and glass parts.
Cleaned off old grease with white spirit and isopropyl alcohol.