Pull Espresso Machines - How to Remove and Replace the Piston Gaskets
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- Опубликовано: 14 окт 2024
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Thank you so much for taking the time to create this video.
Extremely helpful!!!❤
Thanks so much for this detailed explanation. Helped me immensely.
Working on a 1970 Gaggia Orione and the gaskets seized inside. I’ll try your wooden block idea!
Great tutori..have one of the Pull Espresso Machines, best coffee ever. Todd, have you ever noticed how often you clean your hands off with the white towel? LOL
Question: I’m thinking to purchase one of those Là pavoni bar 3 group head, but I find it so hard to find those lever seals replacement and gasket? Where do you get your?? And what are the dimensions for it?
Hi. All liver machine have same dimensions piston? please. Thx. Tom
Great video thanks, I have a few two heads I have been avoiding fixing. Doesn't look that hard
Very well explained, however I always have to cringe a little when I see o-rings and seals that are flexible as these being removed with a tool. Absolutely not required and only risks damaging the brass. Just thumb and index finger together on the top of the cylindrical object whether it being a sleeve, piston etc, and while pushing down on the o-ring or seal move your thumb down on one side and index finger on the other side. Keep some pressure on the seal and now you’ll easily stretch the seal/o-ring. Now that you’ve stretched out the seal it’s easy peasy to pull off.
Regarding the material, from my experience in the marine industry, most of the time Viton tends to be black, but Viton I would say for this purpose is not the best material. It handles heat well, and has a good chemical resistance, but also tends to be quite hard. Mostly recommended for contact with high temperature petroleum products. Nitrile often is a little softer make sealing easier but is aging faster due to its lower temp rating.
Silicone seals as you used here are in my opinion by far the most suitable, it handles high temperatures and is very nice and soft/flexible making a for a good seal. It will never get brittle as Viton and nitrile will do over time.
Don’t know, just wanted to get this off my chest.
But really, very well explained and a useful clip for many.
Just give removing the silicone seals without tools a try next time.. you’ll see it’s very easy 😉
Ohhhh i wander is it same for Fracino Retro, as it looks like bottom ring is going on the sleeve and not on the group head 9:37.
Please correct me if i am wrong, as i am waiting for spare rings to replace.
Ps: I've found it. If you'd like more closeup look link is below
ruclips.net/video/WSxsr85aHDQ/видео.html
You also need to be very careful not to scratch the bottom of the piston grooves when removing piston seals with any tool.This definately will cause by-pass or leaks.