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★★★★★
★★★★★
Order the small o-ring
The part fit well; however, I did not realize it needed a rubber o-ring and did not order one. I ended up using the original part, which thankfully still worked.
JR - November 11, 2023
Verified Purchase
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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 !!!!!
The hardest part of the repair on my EAM3400.N Magnifica was reinstalling the upper pump support which i removed initially. In hindsight i should have left the support in place as I had to put it back on with a great deal of effort without the pump in its location. These are the steps I should have followed for this particular machine (If
... Read more the pump support slides out instead of being held in a slot by hard rubber tabs, then you may be able to do this with removing the support and without disassembling the pump).
1. Remove back and sides
2. remove wires from pump
3. remove hoses from pump and valve (make sure not to lose the clips or the o-ring inside the valve for the upper hose.
4. rotate pump as needed to remove screws on the top
5. carefully remove upper part of pump from lower and remove pump from lower support
6. using a 12mm wrench, unscrew valve from upper pump shaft
7. remove small o-ring from old valve and insert in same location in new valve
8. place upper pump shaft through upper pump support
9. fasten valve to upper pump shaft using wrench
10. replace upper pump shaft into pump, making sure to keep all pump parts as they were when you removed the shaft, rotating pump as necessary to tighten screws holding pump shaft onto pump body
11. rotate pump into proper position
12. replace pump hoses, ensuring they are properly seated, reinstall clips where required
13. replace wires on pump.
14. start up machine and run one or two rinse cycles until water flows through machine
15, replace sides and back
Enjoy better espresso and milk frothing than you have had in a long time
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10 year old Delonghi Magnifica auto espresso maker pump lost pressure
thanks to a few good videos on YouTube I:
1. removed the side, front, and back panels
2. Removed the old pump and valve
3. Installed new pump and valve
4. Replaced the filter
5. Tested the unit
6. Replaced the panels.
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