This is a genuine DeLonghi OEM replacement O Ring that is used to seal the filter to the generator. Over time this part will begin to deteriorate and will need to be replaced as the part is made of silicone. If the O Ring for your coffee maker has snapped or become worn, replacing this part will help restore optimum performance to a variety of models. Specifications: Outside diameter: 43.6mm. Inside diameter: 35.2mm. Thickness: 4.2mm.
Opened service door on Delonghi espresso coffee machine, slipped old gasket off and inserted new gasket. Automatic espresso machine worked perfect ever since gasket replaced.
1. From YouTube, I realized that there was cleaning/maintenance that I had not performed (and was not described in the manual).
2. After investigation, I decided to replace some O-Rings and ordered them and some food-safe grease for lubrication.
3. I disassembled the unit based on info form YouTube.
4. Cleaned the pa
... Read morerts.
5. Replaced the O-Rings.
6. Lubricated all available sliding surfaces.
7. Reassembled the unit.
8. All is working well and with much less strange noise.
This beautiful bean to cup machine had had a hard life when I picked it up on eBay, but the seller said the machine turned on and warmed up. Critical to a cost effective repair. These things need a deep clean...A complete strip-down..Even when normally working. This machine didn\'t appear to have ever had a clean.
Strip down
... Read morerevealed the big seals on the piston and infuser were choked with old coffee, and had gone brittle.
The final problem was a leaky o ring on the boiler, and a broken clip.
1: Turn off remove covers
2: Followed you tube video on replacing pump and gaskets
3: With covers off do a deep cleaning
4: Install covers
5: Run de-calsify cleaning
6: Enjoy coffee time !!!!!
1. Removed, cleaned and disassembled generator unit.
2. Removed 2 O-rings on generator unit and one on boiler.
3. Lubed and replaced O-rings.
4. Lubed moving parts in generator and reassembled.
Espresso pucks are now packed tight and eject completely. The coffee is now brewing properly.
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This was preventive maintenance to prevent loss of water pressure on coffee puck.
Opened coffee maker case, removed generator from interior. (Generator designed to remove for routine cleaning on periodic basis.) Once generator removed, pushed interior sleeve down inside generator, removed retaining clip on bottom of sleeve and pushed sleeve up and out of generator. The sleeve has two \"generator gaskets\" or large \
... Read more"O\" rings. Replace those \"O\" rings and lubricated sleeve with food grade grease. Replace sleeve into generator and replaced retaining clip.
Looking inside machine where generator was located, there is a \"piston\" that has a 3rd \"O\" ring. Reach inside the machine and remove the \"O\" ring. Replace that \"O\" ring and again add slight amount of grease. Before putting the generator back in place, remove the metal screen on top of the sleeve and clean the screen to allow better water flow through it. Replace the screen.
Put the generator back in place and that preventive maintenance should be good for several years depending on usage. Mine was 4 years and the old \"O\" rings were still reasonably good.
Remove the cylinder assembly.
Remove all six screws to take apart assembly.
Note: 1. One screw is located under coffee drip spout.
Note: 2. 2 bottom screws and coffee puck evacuation arm screw must be removed to completely disassemble.
Note 3: Spring location inside coffee puck evacuation arm.
Note: 4. Keep t
... Read morerack of parts to reassemble correctly.
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Gasket on DeLonghi Magnifica failed after 11 years, and dropped into maker interior.
Removed the old stretched o-rings and installed the new ones.
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