Vesuvius Pressure Profiling Machine - General Discussion

DavecUK

John_Yossarian Could it be the notorious pump magnet has run its course and would need a replacement?

They don’t actually wear out…it was the faulty potting on some early magnets that allowed air in, which in turn corroded the cobalt samarium and weakened the magnet. So I suspect it’s something else, perhps ait getting in as you say it’s accompanied by noise…not a feature of the pump magnet issues of the past.

John_Yossarian

This morning I removed to top cover and recorded a video, more to get the sound change, as nothing visible happened. I will try to upload the video on youtube and share the link here later, some googling/reading to do.
So far I cannot see anything, but tomorrow morning I will remove the pump and will have a closer look. Thank you for your advices so far.

Adrianmsmith

John_Yossarian . I will try to upload the video on youtube and share the link here later, some googling/reading to do.

Its quite easy even (unfortunately for you lot!) i can do it.

Make the video on your phone.

Whilst its playing (im assuming android, i know nothing of apple complexity) click share

Scroll down to youtube (assume here you have already joined youtube and have a free or paid account and are logged in ) i only have a free account , not restricted, just gets a bit annoying waiting for skip to appear on adverts!!

Follow the prompts, give it a title and if its not a short give it a description .

choose unlisted (thanks Dave) if you dont want it to appear in youtube video searches for someone without a link to watch it

Choose not for kids to allow comments etc and assuming no swearing in the video 🙈

Add a location just because you can

Wait a few minutes, dont touch anything whilst it uploads and processes.

When it says done, watch it and click share to copy the link to paste in here….

Can do an actual step by step if required … good kuck

John_Yossarian

Is the below order of removing the pump something to follow or is there a better way to do it?

To remove the gear pump from a Vesuvius coffee machine, you’ll need to first drain the water boilers and then disconnect the pump from the machine’s electrical wiring and water lines. Next, carefully detach the pump from the frame, ensuring you don’t damage any surrounding components.
Detailed Steps:

Drain the Boilers:
Open the drain valves (usually located on the side of the machine) to release any remaining water in the boilers. Be careful as the water may be hot.
Disconnect Electrical Wiring:
Locate the electrical wiring connected to the pump and disconnect it carefully.
Disconnect Water Lines:
Disconnect the water inlet and outlet pipes from the pump.
Remove the Pump:
Carefully detach the pump from its mounting point on the machine’s frame. Be mindful of any surrounding components and avoid damaging them.

DavecUK

John_Yossarian I think before removing the pump, get the video/sound uploaded first.

John_Yossarian

Adrianmsmith thank you so much! I followed your advice and with iPhone steps are exactly the same :).
Initially I followed what the “smart” AI suggested, to download the YouTube app on my iphone and tap Create (which btw is nowhere to be seen). Anyway, long story short here is the link:

The noise (higher frequency one, rather distinctive) reproducibly occurs whenever the pressure reaches 7.9 bars when with the coffee ground in place, or 6.9 if without the PF.
If I am to run a profile at 7.5 bars the noise would not occur at all.

Very strange, but after five and a half years something was meant to happen.
With your help I am hopeful I would resolve it.

EDIT: Apologies for the background extra noise, it is the tumble dryer doing its job

DavecUK

Choose unlisted, not private.

DavecUK

Pump sounds fine, I guess if it absolutely wont’ go above 8 bars against a blind filter (set a flat 9 bar profile).

Check expansion valve flow back to the tank
check flow from the vent valve

If either of the above 2 things are not sending water somewhere…then it could be the magnet.

John_Yossarian

DavecUK Thanks Dave, I have tried it against blind filter and will stay at 8 bars, never going above it, with Profile 1 where before it regularly reached 11 bars.

I will check the valves you mentioned and will report back.

If the magnet were culprit, is it better to go to Maria at ACS or directly to FoT?

DavecUK

John_Yossarian ACS directly will be better

John_Yossarian

A stupid question, but where do I find the srial number of my machine? I will need it when I contact ACS for the magnet.

Adrianmsmith

John_Yossarian

Behind the water tank

Its called hiding in plain sight 😎

John_Yossarian

Adrianmsmith Thank you very much!
I have not forgotten to take pictures when changing the magnet, first I need to contact ACS.
BTW I noticed that you had the Vesuvius boiler blown up diagram. Do you happen to have the machine blown up diagram as a whole or the separate compartments?

DavecUK

John_Yossarian

DavecUK Thank you Dave!
I found it at the old Tapatalk site. If I sent the serial number and the fact that I bought it directly from ACS would this qualify me for a free magnet sent over?
I will contcat Maria later today, I just need to dig out the SN behind the water tank thanks go to @Adrianmsmith

DavecUK

John_Yossarian I found it at the old Tapatalk site. If I sent the serial number and the fact that I bought it directly from ACS would this qualify me for a free magnet sent over?

Doubt it…

John_Yossarian

DavecUK There is no harm in asking, the worst would be a “no” answer. I have sent an email to Paolo with cc to Maria at info@elcor.it

John_Yossarian

Maria at ACS was flash quick and yesterday I got the magnet.
Can someone advise me what the best way to take out the pump would be?

I have tried to find a blown up diagram, but it seems ACS do not have them on their website.

I found @DavecUK YouTube video where he skilfully removes the covers and this will be my last resort.

I am thinking to open it at the water tank side and go from there.

Thank you in advance!

DavecUK

John_Yossarian Did u have to pay for the Magnet?

John_Yossarian

DavecUK It cost me EURO 80 inclusive of postage which was the price of the magnet (39.20 the magnet 40 DHL).
Any advice on how to remove the pump?

Adrianmsmith

John_Yossarian

🤭

DavecUK

John_Yossarian Any advice on how to remove the pump?

If you cant get to it from the bottom, probs one or both boilers have to come out….which is much easier than it sounds.

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