Auto Chinon 1:1.4 f=55mm sticky aperture blades

My old Auto Chinon 1:1.4 f=55mm has some really sticky aperture blades, there was A LOT of old sticky oil in the aperture assembly so the pictures taken with this lens, would have been way too overexposed.
It’s not that hard to repair, just remember to set small marks at some of the parts, Before fully disassemble the aperture assembly.
There should NOT be any oil in the aperture assembly because it has to run dry.
To recording this video I use my iPhone 📱 11 pro max, and the wireless microphone is:
BOYA model: BY-XM6 TX together with the Model: BY-XM6 RXD

[@pandas_ds]

Thanks!! My AUTO REVUENON MULTI-COATED(blue letter) is slightly deffer from AUTO CHINON. Black barell which rerain front and rear element cannot remove by upsidedown operation after front 2 rings removed. So I remove both front element and rear element by rubber cup, and I can clean the blades by alcohole. I can do it by this video. Many thanks!!

[@hansa3580]

Always enjoy your videos, you as always have simplified this process that so, so many of us have tried to do...and have failed!
I sill appreciate a video you posted a few years ago for the classic Nikkor 105/1.8 lens, which I owned at the time, and, because of your video, was able to reassemble it and enjoy using it!
This is still one of my favorite lenses, a great performing lens; great post! Thanks!

[@mikesabi6048]

Thanks for these very informative videos! I would like to ask how to get into the rear lens block. I have a copy of this lens with some fungus on the inside of rear elements lens block. Removing the rear lens block is easy. The next step however is a mistery to me. Hope you can help :-)

[@ferreiralia9344]

Bonsoir, can you do a list of the tools and products you used. Sorry for my english and thank you for you vidéos 👍

[@user-ju9hg9er8w]

🖤🖤

[@javiernelson8809]

I have one old tomioka that does not have the side screws to remove the front.... (:

[@UrbexWonderland]

Hello Mikeno! I have a Leica Summicron-R 90mm lens that has come apart. Would you be interested in repairing it?