Wyatt Tuzo Posted July 3, 2014 Report Share Posted July 3, 2014 So, I recently acquired a Nagra III, and was wondering if anyone had access to a service manual (not operators manual). I suspect a re-cap is in order, but I could have larger problems as well. Everything runs fine in rewind, but in PB and Rec, the motor winds itself down after exactly 10 seconds. Beyond that... Biasing, modulometer calibration, yada yada yada Thanks in advance! Wyatt Quote Link to comment Share on other sites More sharing options...
Philip Perkins Posted July 3, 2014 Report Share Posted July 3, 2014 pm'ed you Quote Link to comment Share on other sites More sharing options...
Wyatt Tuzo Posted July 3, 2014 Author Report Share Posted July 3, 2014 Thanks Philip. I'll definitely reach out to them. In the meantime, if anyone does have direct access, I'd be deeply obliged... Thanks! Quote Link to comment Share on other sites More sharing options...
Scott Smith Posted July 4, 2014 Report Share Posted July 4, 2014 I'll have to check to see what I have in my files. As I recall, there was never a full service manual per se (like for the IV and later series). I beleive I do have a full parts list and schematic though. Quote Link to comment Share on other sites More sharing options...
John Blankenship Posted July 4, 2014 Report Share Posted July 4, 2014 I just have an "Instruction Manual" with the schematics in it. "March 1967 -- Reprinted June 1971" Quote Link to comment Share on other sites More sharing options...
rstl99 Posted July 10, 2014 Report Share Posted July 10, 2014 The instruction manual is downloadable at a few places on the net, and also schematics. If memory serves me, the instruction manual has a few technical details, though nothing like the service manuals for the 4 series. Surely there must have been a service manual for the III but I've never found one, except maybe an ebay listing at one time. Too bad the documentation wasn't as long-lived as the devices themselves! Possibly some of the caps are failing (or may have failed) in it, but given the quality of components that Nagra put into their recorders, odds are that most of them are still doing the job, so not sure you'd want to entertain a full re-cap, may want to actually test some of them out to see how they are. I have a III (1967) that still works very well, and it has all its original electronic components. Mind you the quality of the recording is not quite as good as the 4 series I have, because of the more modern components and design of the later series. But those III's were one heck of a solid recorder, in my view it is THE iconic Nagra analog recorder. Kudelski sure did the job well when he and his team designed it: it lasted for 10 years until it was supplanted by the 4 series... If you DO get your hands on a III service manual, please let me know. Thanks. --Robert Quote Link to comment Share on other sites More sharing options...
Philippe Vandendriessche Posted December 6, 2014 Report Share Posted December 6, 2014 I should replace the pinch wheel of a Nagra III and don't know how to remove that part. Looking for a service manual or some advices. Any help welcome! Quote Link to comment Share on other sites More sharing options...
rstl99 Posted December 18, 2014 Report Share Posted December 18, 2014 Bonjour Philippe, PM sent. --Robert Quote Link to comment Share on other sites More sharing options...
Philippe Vandendriessche Posted December 18, 2014 Report Share Posted December 18, 2014 Hello all. I found how to replace the pinch wheel of my Nagra III. There are two screws (one on top, the other six pan/ on side) on the rotating (circular) part that holds the wheel. Removing that part gives access to the possibility to remove the axis of the wheel. I'm trying to have four Nagra III fully working for an exhibition. I did some amazing experiments. Look at that video: Yours. Robert: PM sent! ;-) Quote Link to comment Share on other sites More sharing options...
VM Posted December 18, 2014 Report Share Posted December 18, 2014 Funny idea Philippe ! Will you loop the tape ? Quote Link to comment Share on other sites More sharing options...
soundtrane Posted December 18, 2014 Report Share Posted December 18, 2014 Phillippe! Great to see you here! Hope you are well! -vin Quote Link to comment Share on other sites More sharing options...
Philippe Vandendriessche Posted April 12, 2015 Report Share Posted April 12, 2015 The four Nagra are running well since 2 months in Basel (Swiss). If you are travelling in that area: http://www.kunsthallebasel.ch/en/exhibition/patterns-recognition-2/ Quote Link to comment Share on other sites More sharing options...
rstl99 Posted April 13, 2015 Report Share Posted April 13, 2015 Bonjour Philippe, intuables, ces Nagra III !! Quote Link to comment Share on other sites More sharing options...
Serge Gregory Posted May 3, 2016 Report Share Posted May 3, 2016 I'm trying to remove the pinch roller on a Nagra III. I saw Philippe's posting above, but I'm still not sure how it's done. In addition to the top screw (easily removed), it looks like there is a set screw or roll pin on the side that needs to be loosened (see image). If so, what sort of tool do you need to do that? Quote Link to comment Share on other sites More sharing options...
JonG Posted May 4, 2016 Report Share Posted May 4, 2016 I'll take one of those service manuals if people are passing them around. I have a nagra III that could use a little love too Quote Link to comment Share on other sites More sharing options...
Clay Reeves Posted July 11, 2016 Report Share Posted July 11, 2016 Aloha, looks like the pinch roller needs replacing. The replacement roller would be the standard Nagra 4 series roller, and with the bearing and shaft, and all spacers. The main holder of the pinch roller can be lifted up by removing the large center screw, and loosening the side Allen screw. The main shaft is held in place with the "C" snap ring which has been known to take off if not carefully removed. Just replace all the existing bearing parts, clean the existing support and install the new pinch roller, lightly lubricating the parts. Re-assemble the main support adjusting it to the proper tension for your tape. Should work for you. A note of importance, the new pinch roller should be yellow in color, as these rollers wear, they turn towards red in color, finally the black rollers are inclined to be worn. The color change is influenced by tape and oil contamination. Cleaning the new roller after every use will help to retain its new appearance. Regarding a Nagra 111 manual, I have a lot of Nagra literature and manuals and I will research thru all that I have. Nagra never really had a service manual. I would expect Nagra began to direct their attention toward the Nagra 1V which surfaced in 1969/1970. Enjoy your Nagra 111, still today they are great machines Quote Link to comment Share on other sites More sharing options...
Clay Reeves Posted July 12, 2016 Report Share Posted July 12, 2016 Aloha, I have gone thru about half of my Nagra111 info. I have found a number of original schematics for the modules in the Nagra. These detail resistor and capacitor specs by size and part number. I have also found the original Nagra principal schematic. For example the preamp-micro shows the schematics and details by "R" and "C" numbers and size and value. I also have a number of Nagra111 operation manuals, the most significant was1963. Perhaps an effort by Nagra to really show the importance of their products. They used very impressive pictures of Nagra in use. The brochure is loaded with their specs. Hope this may help somebody in effort to better understand the Nagra111. Enjoy your day Quote Link to comment Share on other sites More sharing options...
KITES Posted July 22, 2016 Report Share Posted July 22, 2016 Hey guys, does anyone know of Nagra supplier in the states these days? Quote Link to comment Share on other sites More sharing options...
PiO Posted February 28, 2019 Report Share Posted February 28, 2019 HA! If you understand Polish, then you could use what looks like a service manual for the Nagra III off ElektroTanya... https://elektrotanya.com/nagra_3_polska.pdf/download.html For the rest of us, it's of course incomprehensible. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.