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Glenn
Tinkerer
Username: Glenn

Post Number: 394
Registered: 07-2006

Rating: N/A
Votes: 0

Posted on Saturday, August 09, 2008 - 07:27 pm:   

Screw slots on Russian grub-screws, are generally crap if the items has had DIY. One must use screwdriver blades that have been ground completely flat and fills the slot completely - any taper on the blade will immediately break off an 'ear'. It goes without saying that you must never over-tighten these little blighters!

As for spares, you have two choices. If you have proper machining facilities, it is a simple job to use a fine slitting saw to put a slot on a length of commercial 1mm screw. However the simplest route is to purchase some 'scrap' lenses from one of the East European dealers who trade on eBay. When I was into rebuilding and modifying Zorki !s, I got a shoebox full of lenses and bodies for £10. Got plenty of useable spares and two nice bodies after a bit of work. To be honest; it is far less pain to find a screw in a scrapper, than setting up and making the little sod.

As you say the machining is pretty poor on the 5, but this is no different to the engineering on any Russian consumer of that period. However, they do what it says on the box - if you do the maintenance.

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