La Marzocco "Hybrid Caps"

la marzocco, synesso, simonelli, cimbali etc

Postby sam on Sun Jan 21, 2007 2:18 pm

I have synesso #9ish and the group heads are individually callibrated for the off set. I had to reboot the brains one day and had to call Mark to ask him what the off set was on my machine. he has the numbers on file for all machines that have been put out. My off set was 10 or 11 degrees.
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Postby Kevin Cash on Mon Sep 24, 2007 6:34 am

I just PID'd my Linea, so the Piero caps are next on the list. I'm going for the kit from EPNW, what else do I need? I have a 4AV with EE tubes.
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Postby phaelon56 on Tue Sep 25, 2007 8:30 am

I've been given the impression that the Pierro caps can be retrofitted only on machines that pre-date the welded on groups? Is that correct?
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Postby onocoffee on Tue Sep 25, 2007 2:20 pm

phaelon56 wrote:I've been given the impression that the Pierro caps can be retrofitted only on machines that pre-date the welded on groups? Is that correct?


I don't know, but my understanding is that the hybrid caps only fit on the newer welded groups and not the bolt-on models.
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Postby xristrettox on Tue Sep 25, 2007 6:46 pm

we have the caps and welded groups
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Postby roger on Tue Sep 25, 2007 8:54 pm

phaelon56 wrote:I've been given the impression that the Pierro caps can be retrofitted only on machines that pre-date the welded on groups? Is that correct?


Group caps with integrated valve and/or flowmeter can only be retrofitted on machines with welded boilers. They will not work with bolt on group boilers due to the different banjo fitting on these earlier boilers.
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Postby paul_pratt on Wed Sep 26, 2007 4:37 pm

roger wrote:
phaelon56 wrote:I've been given the impression that the Pierro caps can be retrofitted only on machines that pre-date the welded on groups? Is that correct?


Group caps with integrated valve and/or flowmeter can only be retrofitted on machines with welded boilers. They will not work with bolt on group boilers due to the different banjo fitting on these earlier boilers.


Can of worms.
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Postby terry on Fri Sep 28, 2007 9:52 am

Can o worms Paul? I used a lathe. You need better tools (grin)

Image
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Postby Kevin Cash on Fri Sep 28, 2007 10:08 am

Thanks for the hope Terry, ok, so spill the beans. I am ready to order the kit from you (Love the PID by the way)....tell me what else I need my friend.

I'm only needing two caps though.
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Postby terry on Fri Sep 28, 2007 3:48 pm

I hope to have the parts assembled in the next few weeks and available after Coffeefest Seattle. The easiest method since you are a distance from me, is to do a group exchange. I will have some completed groups to exchange next week.
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Postby paul_pratt on Thu Oct 04, 2007 8:20 pm

Looks good Terry, shorter stem inside? I'm only guessing at the moment since these seem to be have been US and WBC spec upgrades. I had some arrive earlier this week so shall investigate.

I'm glad it's a workable solution because not every market has steel groups :cry:
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Postby terry on Fri Oct 05, 2007 7:21 am

Paul,

Yes, we machine the center post shorter and drill and tap the group to accept the new style post.

Never say never :D
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Re: La Marzocco "Hybrid Caps"

Postby naznar on Wed Jun 17, 2009 11:43 am

Where is the flow restrictor in the hybrid group? I have a few Marzocco brass flow restrictors that im not sure go with the hybrid cap. two 4mm screws remove the valve from the cap, revealing the water intake and outtake orifices. It looks like the brass flow restrictors could go here if one tapped the outtake orifice (or the orifice leading to the dispersion screen). In my mind this is the orifice with the copper. Im working on an FB80. thanks-joel
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Re: La Marzocco "Hybrid Caps"

Postby terry on Wed Jun 17, 2009 12:15 pm

The Piero ( Hybrid) groups use the newer ruby group jets. The smaller brass jets will not work with these caps. They are located inside the group or the underside of the cap if you will, on the intake side of the group valve.
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Re: La Marzocco "Hybrid Caps"

Postby naznar on Wed Jun 17, 2009 1:18 pm

Terry
when i lift the cap am i going to find a paper-fiber gasket and viton o-ring making the seal to the rest of the group. Im trying to figure the chances of me opening the cap and not being able to reseal it immediately. If its a sure thing that im replacing those then i might as well pick some up. thanks-joel
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Re: La Marzocco "Hybrid Caps"

Postby terry on Wed Jun 17, 2009 2:16 pm

Hey Joel,

While I would not normally suggest reusing a gasket, the group cap seal seems to be good for a reseal. With that said, Murphy's Law is always looking around for guys like you and me :D
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