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Author
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Topic: What is the most versatile Zipper ?
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Jean-Michel Grin
Expert Film Handler
![](http://www.film-tech.com/ubbmembers/1360.jpg)
Posts: 222
From: Geneva & Lausanne, Switzerland
Registered: Jul 2002
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posted 10-04-2003 02:40 PM
Past week a projectionist called me because the two changeover devices on Monee projectors was burned out. You can see on the pic that the problem was real These changeover devices, powered in 230 volts, had received a sustained voltage from a defective push-switch. You can easy guessin what hapened... ![-](http://www.film-tech.com/cgi-bin/showpic.cgi?dir=uploads0503&file=BurnedZipper.jpg) We asked to the local dealer,but no units was allvaible... The idea came to use Kelmar changeover devices like used on Strong and Century projectors. By luck we had three units on stock an it was a relative easy job to make an adapter plate to mount the zipper onn the top of the projector, and cut a new douser plate. You can see the result on the next pic: ![-](http://www.film-tech.com/cgi-bin/showpic.cgi?dir=uploads0503&file=KelmarOnMonee.JPG) I'm a bit proud of the result, for the reason I'm not a mechanical technician, But I'm wondering if exist on the market a brand of change over unit that can be fitted on most projectors, as a spare part. Kelmar change overs units seems to me the most versatile, but can someone tell me if another kind of unit are indicated ?
Thanks for Your replies, and sorry for my weak english
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