MineSix66
Established
Does anyone know what chemical Certo6 on ebay used to clean the shutter assembly?
Certo6 method of cleaning shutter assembly
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Chriscrawfordphoto
Real Men Shoot Film.
His website says "Shooting lighter fluid or powered graphite into the shutter is a momentary solution… for a few days! The shutter must be partially disassembled and the parts flushed. I do it electronically with a rather powerful medium that, unlike lighter fluid, does not leave any residue… but the fumes sure get my wife a tad upset!!"
I'm guessing that he uses an ultrasonic jewelry cleaner. There are specially made chemicals for those ultrasonic cleaning machines.
I'm guessing that he uses an ultrasonic jewelry cleaner. There are specially made chemicals for those ultrasonic cleaning machines.
MineSix66
Established
Hi Chris,
I do have an ultrasonic cleaner I am just looking for the right type of chemical to use. i was thinking a simple green to water ratio.,
KoNickon
Nick Merritt
Some folks use electrical contact cleaner. Not sure what that is chemically.
titrisol
Bottom Feeder
Jurgen is very thorough, and he dissassembles the shutters as needed.
I'd recommend you check the Chris Sherlock videos on You Tube for a taste of what it takes (he has a series on Compur and Prontor service)
Also there is a very good camera repair course at LearnCameraRepair (not free anymore)
I don;t have a ultrasonic cleaner, but I guess that whatever is used to clean watch parts should be acceptable. I think is an ammonia solution of some sort that doesnt affect bronze. However all those camras are at least 60yrs old and the metals might show fatigue or the metal coatings mights flake.
JeffS7444
Well-known
If the old lubricants are still somewhat viscous, sure why not give it a try? When working with plastic parts and painted surfaces, some trial and error may be needed to determine best concentrations and exposure times. I dunked a Smena shutter assembly into a strong (~1:1?) Simple Green solution, and left it soaking for hours. It did a good job of degreasing, and also removing the old paint! Fortunately, said paint was crappy to begin with, so no loss there.
Dunno what it is about Agfa'a green grease, but in my Agfa Isolette III, it had seemingly polymerized into a hard substance, which could not be readily dissolved with the usual organic solvents. I discovered a Chris Sherlock tip about using CRC Lectra Clean, so I sprayed some into a small jar, and left the frozen assemblies soaking for several days. I knew that something was happening, because flakes of old lubricant started to accumulate on the bottom of the container, and eventually, I was able to unfreeze the parts. I'll treat it as more of a specialty solvent when nothing else works, because I don't like the smell.
