j_m32 Posted October 13, 2006 Share Posted October 13, 2006 I bought my Hasselblad equipment as a kit from the previous owner and it came with four 12 exposure backs. Two A12 backs and two older backs (made in the 50s and 60s). Now the two newer ones work perfectly but the older ones seem kinda stuck. When I attach them to the body the shutter just won't fire. Is it a good idea to attempt to repair this myself? I don't want to (and will not) have them serviced by a repair guy because the cost would be just as high as a new (used) back. I also wouldn't be worried about breaking anything since it's already broken. My questions are these: Is it even possible to fix this with a basic set of tools (small screwdrivers etc.) or would it be a waste of time? Also, where does one get a repair manual for these backs? Thanks Link to comment Share on other sites More sharing options...
benny_spinoza Posted October 13, 2006 Share Posted October 13, 2006 Why do you think a repair would cost so much? And what is your time worth? I remember there is an independent Hassy repair technician in Mass. who monitors these posts. His name is David Odess, I believe. Perhaps he will give you an estimate. Try www,david-odess.com. Link to comment Share on other sites More sharing options...
alec1 Posted October 13, 2006 Share Posted October 13, 2006 http://tinyurl.com/ybmx3r Link to comment Share on other sites More sharing options...
savagesax Posted October 14, 2006 Share Posted October 14, 2006 Repairing them is tricky. The inside sort of looks like a watch, lots of gears, screws, levers, and springs and they can fly all over the place when you take them apart. Manuals aren't much help but you can find them on ebay sometimes. Link to comment Share on other sites More sharing options...
simon_platt1 Posted October 14, 2006 Share Posted October 14, 2006 Jean-Marc I only have the newer backs so cannot be sure, but I think the older backs work differently. Are you sure they are broken? They may need a film in and wound on before you can release the shutter. The interlocks are designed to stop you making mistakes like taking pictures with no film in. Try to find a copy of The Hasselblad Manual by Wildi. Look for edition 4 or 5 the latest ones do not have as much info on the older cameras and backs. This should tell you exactly how that backs should work. I would be surprised if both backs were faulty in exactly the same way. If they are broken then it probably wouldn,t cost as much as you think to fix them. And as a previous post said there are a lot a gears etc inside them. If you have to ask about repairing it you probably shouldn't try it. Simon Link to comment Share on other sites More sharing options...
j_m32 Posted October 14, 2006 Author Share Posted October 14, 2006 Benny, I'm a student so my time is not worth much ;-). My repair guy does backs for around 150$. For that price I can probably get a working A12 back on ebay. I live in Switzerland so unfortunatley I cannot send it to David Odess. Even if the repair was cheaper I still wouldn't want to "waste" money on those really old backs. I'll probably just have to leave them as they are and use them as paper weights :-) Link to comment Share on other sites More sharing options...
david_knapman Posted October 14, 2006 Share Posted October 14, 2006 Jean-Marc! You did say that you "will not" have these mags repaired right? And so: Did you re-set the C-mags to zero ? Turn the fold out film advance a part turn anti-clockwise. All H/blad mags are blocked for camera release after the last frame, but the C-mags do not re-set like the A12's automatically when the film insert is removed - OK you know this, then check the blocking arm (rectangular hole lower left corner ser. no. plate). This little arm blocks body release whilst the dark-slide is fully inserted. If the arm doesn't retract when you pull out the slide, then there is the problem, however, two mags together?? The blocking arm is easy to get at.Just note that on C-mags the screw closest to the blocking arm is longer than the other eight that hold the ser. no. plate. If it is neither of the above problems, then don't waste your time, really!! Best of luck Link to comment Share on other sites More sharing options...
j_m32 Posted October 14, 2006 Author Share Posted October 14, 2006 David, Thank you very much! All it took was that half turn anti-clockwise. I feel kinda embarassed but I have to admit that I didn't know that about the c mags. I, too, was wondering why both c12 mags were having the same "problem". Now all I have to do is run a roll of film through both to check if everything else functions properly. If they do I might try to sell them and buy at least one A12 back (maybe even a A16 back). The two c12 backs I have are both chrome and therefore don't match the black 501CM I have. Thank you again David and everyone else that has taken the time to offer me their advice. I appreciate it a lot! Link to comment Share on other sites More sharing options...
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