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Help - Unheard of Problem !!!
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Discussions > Espresso > Lever Espresso > Help - Unheard...  
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IMAWriter
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IMAWriter
Joined: 4 Jul 2002
Posts: 5,882
Location: Brentwood, TN
Expertise: I live coffee

Espresso: Bezzera Strega
Grinder: Forte, OE Pharos,...
Vac Pot: Adcraft SS, Yama 8 cup
Drip: Brazen, Kalita, Chemex,...
Roaster: Behmor 1600, CO/UFO combo
Posted Tue Mar 25, 2014, 11:38am
Subject: Re: Help - Unheard of Problem !!!
 

SpaceTime Said:

Hey, if we both are off base, I am sure someone will jump into supplement... all in the name of trying to get the OP quality help!!

Posted March 25, 2014 link

Yep. I may email "drgary" over at HB, and see if he has time to check in here.
He owns and has modded both pre and post Millennium La Pavs.

 
Rob J (LMWDP #187)
My Music Production web site:
www.robertjason.com
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SpaceTime
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Joined: 9 Dec 2013
Posts: 271
Location: Virgo Cluster
Expertise: I love coffee

Espresso: 83 & 89 Cremina, 85 Coffex
Grinder: HG One, Pharos, LIDO
Drip: Freiling 33 & 44oz FP,...
Posted Tue Mar 25, 2014, 11:44am
Subject: Re: Help - Unheard of Problem !!!
 

Calling in the A Team never hurts...
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IMAWriter
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IMAWriter
Joined: 4 Jul 2002
Posts: 5,882
Location: Brentwood, TN
Expertise: I live coffee

Espresso: Bezzera Strega
Grinder: Forte, OE Pharos,...
Vac Pot: Adcraft SS, Yama 8 cup
Drip: Brazen, Kalita, Chemex,...
Roaster: Behmor 1600, CO/UFO combo
Posted Tue Mar 25, 2014, 1:55pm
Subject: Re: Help - Unheard of Problem !!!
 

Gary Seeman (aka "drgary") is busy moving presently, but sent the following to me, and asked me to post.
All most of what has been discussed:
"All I can think of is:
- check seals
- lube evenly and not too much
- clean dispersion screen
- clean filter basket
- WDT
- tamp evenly
- give enough time to fully infuse coffee cake

It's a piston that is going straight down, so it should be pretty even unless gravitational forces tend to shift around his house.

Back to work."

Gary
------------------------
Well, there ya go!

 
Rob J (LMWDP #187)
My Music Production web site:
www.robertjason.com
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Buckley
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Joined: 25 Jan 2011
Posts: 423
Location: Internet
Expertise: I love coffee

Posted Tue Mar 25, 2014, 1:56pm
Subject: Re: Help - Unheard of Problem !!!
 

Well...as so often is the case:
the OP, Darko in this case, has not gotten back to us.
Any further posts without him might just be flapping our keyboards.
BUT, for the record, if you remove the top acorn nut and move its companion locking nut to the top of the piston rod you can remove the lever cross rod and push the piston rod all the way down until the remaining locknut touches the group head and the dispersion screen will be popped out of the bottom along with the gasket without injury in a matter of 2-3 minutes, total.  In this way the piston will not fall out, that is, if you want to clean the screen and have not reason to want to dislosdge the piston.
Reversing the steps starts with pushing the piston up from the bottom enough to fit the screen and gasket (remembering that the gasket has a proper top and bottom) into place and reversing the rest of the procedure.
B
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IMAWriter
Senior Member
IMAWriter
Joined: 4 Jul 2002
Posts: 5,882
Location: Brentwood, TN
Expertise: I live coffee

Espresso: Bezzera Strega
Grinder: Forte, OE Pharos,...
Vac Pot: Adcraft SS, Yama 8 cup
Drip: Brazen, Kalita, Chemex,...
Roaster: Behmor 1600, CO/UFO combo
Posted Tue Mar 25, 2014, 2:03pm
Subject: Re: Help - Unheard of Problem !!!
 

Buckley Said:

Well...as so often is the case:
the OP, Darko in this case, has not gotten back to us.
Any further posts without him might just be flapping our keyboards.
BUT, for the record, if you remove the top acorn nut and move its companion locking nut to the top of the piston rod you can remove the lever cross rod and push the piston rod all the way down until the remaining locknut touches the group head and the dispersion screen will be popped out of the bottom along with the gasket without injury in a matter of 2-3 minutes, total.  In this way the piston will not fall out, that is, if you want to clean the screen and have not reason to want to dislosdge the piston.
Reversing the steps starts with pushing the piston up from the bottom enough to fit the screen and gasket (remembering that the gasket has a proper top and bottom) into place and reversing the rest of the procedure.
B

Posted March 25, 2014 link

Ah, all comes back to me now.

Lets hope Darko is reading.

 
Rob J (LMWDP #187)
My Music Production web site:
www.robertjason.com
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Darko13
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Joined: 24 Mar 2014
Posts: 4
Location: Peterborough
Expertise: I love coffee

Posted Tue Mar 25, 2014, 2:11pm
Subject: Re: Help - Unheard of Problem !!!
 

Hello
I am most definitely reading just had a busy day. Had a quick fiddle and without me and my partners morning brew as the tester I am gonna concur and go with the screen. Basket is soaking as we speak .............

Again thanks

An update will follow
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IMAWriter
Senior Member
IMAWriter
Joined: 4 Jul 2002
Posts: 5,882
Location: Brentwood, TN
Expertise: I live coffee

Espresso: Bezzera Strega
Grinder: Forte, OE Pharos,...
Vac Pot: Adcraft SS, Yama 8 cup
Drip: Brazen, Kalita, Chemex,...
Roaster: Behmor 1600, CO/UFO combo
Posted Tue Mar 25, 2014, 2:17pm
Subject: Re: Help - Unheard of Problem !!!
 

Great Darko. Let us know.
When the guy serviced the machine, I assume there are new piston seals properly lubed?
RJ

 
Rob J (LMWDP #187)
My Music Production web site:
www.robertjason.com
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SpaceTime
Senior Member


Joined: 9 Dec 2013
Posts: 271
Location: Virgo Cluster
Expertise: I love coffee

Espresso: 83 & 89 Cremina, 85 Coffex
Grinder: HG One, Pharos, LIDO
Drip: Freiling 33 & 44oz FP,...
Posted Tue Mar 25, 2014, 2:31pm
Subject: Re: Help - Unheard of Problem !!!
 

Buckley Said:

Well...as so often is the case:
the OP, Darko in this case, has not gotten back to us.
Any further posts without him might just be flapping our keyboards.
BUT, for the record, if you remove the top acorn nut and move its companion locking nut to the top of the piston rod you can remove the lever cross rod and push the piston rod all the way down until the remaining locknut touches the group head and the dispersion screen will be popped out of the bottom along with the gasket without injury in a matter of 2-3 minutes, total.  In this way the piston will not fall out, that is, if you want to clean the screen and have not reason to want to dislosdge the piston.
Reversing the steps starts with pushing the piston up from the bottom enough to fit the screen and gasket (remembering that the gasket has a proper top and bottom) into place and reversing the rest of the procedure.
B

Posted March 25, 2014 link

Ahhh, what seems so easy to some of us who love to tinker and rebuild things can be daunting to others... there are many that just don't want to get into the business of taking the machine or group apart.   Can't speak for the OP.... like anything, different strokes...

Personally, I think nothing of popping the group off, disassembling... it has become second nature.  There is also the aspect of scratches, etc - many will break out the crescent wrench, and why we have so many used Creminas floating around with tool marks all over the bolts, and nicks in the stainless.  Using levers is already a limited audience, taking apart separates this pioneering crowd even further... just a fact of life!

Great advice though... OP - are you a tinkerer and not averse to taking apart your group?  Maybe a skill you want to develop if you keep the machine... but please, get the correct size wrenches and don't use a crescent!  LOL
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SpaceTime
Senior Member


Joined: 9 Dec 2013
Posts: 271
Location: Virgo Cluster
Expertise: I love coffee

Espresso: 83 & 89 Cremina, 85 Coffex
Grinder: HG One, Pharos, LIDO
Drip: Freiling 33 & 44oz FP,...
Posted Tue Mar 25, 2014, 3:06pm
Subject: Re: Help - Unheard of Problem !!!
 

Darko13 Said:

Hello
I am most definitely reading just had a busy day. Had a quick fiddle and without me and my partners morning brew as the tester I am gonna concur and go with the screen. Basket is soaking as we speak .............

Again thanks

An update will follow

Posted March 25, 2014 link

By basket - are your referring to the portafilter basket?  (which would not be the screen we are referring to).
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grogstah
Senior Member


Joined: 26 Oct 2010
Posts: 11
Location: Seattle
Expertise: Just starting

Espresso: La Pavoni Pre-Mil, La...
Posted Wed Mar 26, 2014, 8:11am
Subject: Re: Help - Unheard of Problem !!!
 

If it seems that there is less water coming into the group than before, and your group was recently serviced, it could be as simple as your piston coming unscrewed and blocking the water inlet slightly.  This happened to me, and not only was I getting very little water in the group all of the sudden, but the dispersion screen would not stay on.  It's a simple fix - while the machine is cool, remove the dispersion screen and with the lever all the way down, turn the piston CCW (machine in 'normal' positon, not inverted).  I was able to turn mine about 1-1/2 rotations back in, and problem solved!
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