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I used to say skip the ultrasonic cleaner for shutter repair, then I saw one at a shop in Sacramento
I visited a repair shop in Sacramento two weeks ago and the owner showed me his bench setup. He had a cheap $120 ultrasonic cleaner he uses on old leaf shutters, and I always thought that was risky since it can strip lubricants. He ran a 1950s Compur shutter through it for 4 minutes at low heat, then relubed with a tiny bit of Moebius grease. The blades came out way cleaner than my usual q-tip and naphtha routine, and the timing was dead on at every speed. He does about 8 shutters a week this way and has for 3 years with zero comebacks. Now I am wondering if I have been wasting time on the slow method just out of habit. Does anyone here use an ultrasonic on shutters, and how do you keep the water out of the gear train?
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carr.blake12d ago
Took me way too long to come around on this too (I was sure it would wreck every shutter I touched). My cleaner runs at 40kHz with plain distilled water and a drop of dish soap, and I just keep the gear train above the water line by clamping the shutter in a little wire jig, never had rust or a locked up mainspring yet. Give it a shot on a junk shutter first and you will probably wonder why you waited.
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