#0, #1 and #3 sizes are readily replaced with new shutters, so the option of replace instead of repair is available. The Compur shutters are nicely made and well. From the service section of Flutots Camera Repair, Unfortunately parts are no longer available for those great Synchro-Compur shutters. How to strip-down and service the Synchro-Compur shutter on a Kodak Retina Ia or IIa camera. I’ll assume you already have the shutter removed from the.

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Discussion in ‘ Large Format ‘ started by coryblundonSep 8, Hello Everyone, I was working out my shutter today, priming and firing, as a was instructed to do by a friend of mine to make sure that all the speeds worked and worked at the speed they should. I trip the shutter, it clicks, then nothing. I finally have to click it the rest of the was with my finger.

It there anything I can do to fix this? I can’t afford, or even find, a new shutter. You will get a lot of advice here about do-it-yourself repairs involving lighter fluid, but I would avoid them. Any competent repairer can clean and lubricate your shutter. I’ve heard this of this lighter fluid advice. While I am a DIYer, it makes me a little nervous. Sadly, I’m am trying to avoid professional repair, as I’m just a broke student in Toronto.

Use the lens, get it fixed when you have the readies. Carol Flutot’s prices are really reasonable. Cook at home a few nights, and you’ll have enough dough. Leaves no residue and 2.

Is Safe on Plastics, and a precision oiler with oil. Remove the Front and Rear lens cells from the shutter. Remove the front cover of the shutter. DO NOT operate shutter with the front cover removed. Holding the shutter over a suitable collection container trash can with fresh liner or simular flush the shutter gear train thouroghly with shutrer electronic contact cleaner. Replace and secure the shutter top cover then operate the shutter several times at all speeds.

The electronic parts cleaner will be slow to disipate from some areas of the shutter. Once the shutter has completely dried operate the shutter to verify the shutter operates correctly at all speeds. Once the shutter is clean and works properly when dry use the precision oiler to apply a drop of oil the size of a straight pin point to the piviots of the levers and gears in the shutter. Reassemble the front cover of the shutter and check operation.


Starting at 1 second, cock the shutter. Position so that you can observe the shutter baldes, operate the shutter and observe the second hand of a clock or wrist watch. Trip the shutter and observe that shutrer shutter blades open fully and close as the second hand moves 1 second.

Repeat a few times. Continue by progressing to the nest higher shutter speed and verify that the shutter blades operate progressively faster. Test B and T for correct copmur also. Check operation of the aperture blades.

Fixing a Sychro-Compur shutter

If the aperture is rough coat the blades and piviots with a light dusting of Extra Fine Graphite and rub it into the blades with a repalr swab. Be sure to support the aperture blades from behind and remove any cotton fibers that remain afterwards. Operate the shutter several times to disloge any graphite that is loose around the shutter opening.

Reattach the lens elements and shoot some film and verify that exposures compuur correct.

From the service section of Flutots Camera RepairUnfortunately parts are no longer available for those great Synchro-Compur shutters. If you have one in sizes 0 or 1 that is slow? They are asking for old junk shutters that you may have laying around also. IF you do not feel comfortabe following the procedure I described then contact Flutots or another shutter repair facility for a CLA of your shutter.

I have 9 or 10 shutters that I have done the CLA that I described and they work correctly after 5 years. The Rosonol Soak works best for those who sit in the deepest part of a shade tree on a clear day, consume a 6 pack of beer then clean their shutter or go take pictures.

More props for Carol at Flutot’s. Very reasonable prices for CLAs. One a Compur Shutter from a ‘s 12cm F6. Unless you really know what materials are in your shutter; a liquid or even a grease can react in a wrong way. Having some other shutters to play with helps in camera repairs. I’ve done the lighter fluid thing on two different shutters.

Compur shutter repair manual

The rrepair one was 4 years ago, and it’s been working fine and accurate on all speeds since the soak. I’ve also been successful rspair lighter fluid also ethyl alcohol. I doubt the “react with lighter fluid” story, but another effect may eventually develop, perhaps especially on soft plastic parts more common in larger older shutters: Many seem unaware that old shutters were sometimes whale oil lubricated.


Some are unaware that graphite floats around in systems, rather than staying put. Will it land on lens elements? Different lubes for different purposes. One might also be aware that some eg Radio Erpair “electric contact cleaners” are caustic If one fears lighter fluid, one might especially fear contact cleaners.

Lighter fluid is a traditional quick fix. Don’t do it if you can’t afford eventually to give the shutter to a pro. Thanks for all the responses, guys!

I’ve finally decided to bite the shutfer and have it looked at. After looking at the price of a replacement Synchro-Compour and at the urging of my teachers who have fond memories of the shutter, I’ve decided that having a professional save it is worth it.

But, hypothetically,if I did have to replace it, what would you guys and gals suggest? It is possible to fix, but take care!!. A link to look at is www. This will give the cmopur dissembly instructions. Also note the order in which they were removed!.

Basically, remove the lens elements and the diaphragm assy, usually attached to the shutter casing. Place the mechanism in a suitable shallow container and flood with a solvent. I use ‘white spirit’, a turps substitute. Actuate the shutter a few times. You will be surprised at the amount of ‘crud’ that is displaced!. Finally lift out the mechanism and drain off solvent. Place on a piece of clean kitchen tissue and allow to dry for an hour or so.

Extensive Compur shutter repair and lubrification guide | Photography Forums

If you do not feel confident with this, then I suggest that you get it done by a service centre. I have repaired a few shutters, but I do have a background of instrument serviceing. Also none were very expensive. There are a number of websites that have information. Search on Synchro Compur repair.

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