WTB: Tektronix 2225 knobs - Page 1
Forum section: electronics / general

author: spanakop
author_rank: Contributor
timestamp: July 09, 2019, 11:27:49 am
content: Hi all, I recently was given a Tek 2225 working oscilloscope. It works fine, but it has three knobs missing from the coarse and fine horizontal control and holdoff control. Now all is not lost, because I can take out a knob from another control and use it. Obviously this is not really ideal. I was also given a couple of knobs that almost fit, but are too long.So I'm looking for three knobs with a part number of 366-0636-00. Does anyone have any or know where I can get some from? I've looked on Qservice and they are out of stock, nothing on ebay.

author: pbarton
author_rank: Frequent Contributor
timestamp: July 09, 2019, 01:26:15 pm
content: According to the final entry herehttps://www.eevblog.com/forum/buysellwanted/fs-new-test-equipment-repair-parts-hp-agilent-tektronix-fluke-etc/100/'Misterww225' has just bought 9 of these Tek 366-0636-00 knobs from 'cycle_collector'I wonder if he needs them all, or if he is prepared to share any of them?Try sending a PM to 'Misterww225' ?

author: spanakop
author_rank: Contributor
timestamp: July 09, 2019, 02:28:57 pm
content: Thanks for that, unfortunately, he's sold out according to his last post. Sent a PM to Misterww225.

author: Old Printer
author_rank: Frequent Contributor
timestamp: July 09, 2019, 06:58:33 pm
content: I bought a 2225 on the cheap for spares for my working 2225, but it is in my friends attic some 1200 miles away and I am on the other side of the pond from you. I am pretty sure there are enough knobs on it to cover your needs, but the process would not be fast at best. That said I would be glad to help you out if you cannot find something closer to you. TEK made a billion of the 22XX's, many of them built somewhere near you, so I would think something local will pop up, but if not shoot me a PM and I will start the ball rolling. I love mine

author: DaJMasta
author_rank: Super Contributor
timestamp: July 09, 2019, 08:22:08 pm
content: Do you know if anyone's got 3d models made for these parts? Don't have one to measure/compare myself, but 3d printing seems to be a great option for old hard to find plastic parts. Maybe take a look at the thread in the test equipment forum or search thingiverse for tektronix to see if there's a match for the knob you need - even if you don't have a printer, there are people who will print one for you because they're nice, printers available in makerspaces or libraries, and there are printing services that can do it for a little cash.

author: spanakop
author_rank: Contributor
timestamp: July 12, 2019, 01:24:41 pm
content: I have thought about going down the 3d printing route, as I could take an old knob off, get a cad drawing done and give it to someone to print off for me. Might be nice as an exercise in the future.Old Printer: thanks for the offer. If I don't hear off anyone, I'll pm you about it. I have been looking for a second 2225 for spares or repair for this kind of thing.

author: cowasaki
author_rank: Frequent Contributor
timestamp: January 01, 2020, 01:58:08 pm
content: I'm looking for a tektronix control knob as well. Did anyone have any luck? The one I'm looking for is this one. I'm probably going to design and print it if I can't get a genuine one. IF this is one you need let me know.

author: cowasaki
author_rank: Frequent Contributor
timestamp: January 01, 2020, 10:50:31 pm
content: Unfortunately some total idiot has re-designed the user interface on Fusion 360 and now it's like using a completely different piece of software. What an absolute moron! WHY do they do that? I have the part all measured out and I would have been watching it print by now but I'm still trying to work out where the hell certain commands just disappear to. Arrrrghh.

author: cowasaki
author_rank: Frequent Contributor
timestamp: January 02, 2020, 12:24:40 am
content: I got so frustrated that I ended up looking on thingyverse. There are actually a lot of tektronix knobs on there but not the one i need so back to fusion.It’s been an absolute pain but I’ve done a draft one just to check dimensions and if it works. It does so I will make it look like the original and print it in the relevant colour on Friday.If anybody needs one and can’t 3D print them I can do it for you for postage etc.