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e61 keeps leaking on expobar leva
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petje
Senior Member
petje
Joined: 3 Jul 2007
Posts: 7
Location: NL
Expertise: I love coffee

Espresso: Expobar office lever
Grinder: MACAP M4 stepless
Posted Tue May 6, 2014, 9:49pm
Subject: e61 keeps leaking on expobar leva
 

Anybody could help me with this? I did fresh all of the rubbers and seals in the group 2 months ago, descaled the group, keep the machine clean, but still the pressure release outlet keeps dripping so much, my HX is emptied all the time and I am seriously overheating. Help, I mis my coffee!
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stefano65
Senior Member
stefano65
Joined: 30 Oct 2004
Posts: 1,415
Location: Eugene OR
Expertise: Professional

Espresso: Vibiemme,Elektra,
Grinder: Vario,Macap,
Vac Pot: not
Drip: not
Roaster: not
Posted Wed May 7, 2014, 7:28am
Subject: Re: e61 keeps leaking on expobar leva
 

Based on the fact that you replace the "soft" parts
how about the plungers and spring ?
inspect them

 
Stefano Cremonesi
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frcn
Senior Member
frcn
Joined: 23 Dec 2001
Posts: 3,427
Location: Northern California
Expertise: Professional

Espresso: Vibiemme Domobar Double
Grinder: Mazzer Kony, Baratza...
Vac Pot: Hario, 2 Cory pots, 1 Cory...
Drip: Behmor Brazen, Bunn A10 mod...
Roaster: computer controlled Hottop,...
Posted Wed May 7, 2014, 9:05am
Subject: Re: e61 keeps leaking on expobar leva
 

What Stefano said, and also use a good light and magnifying lens and check the metal seats against which the rubber parts seal for any damage.

 
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SStones
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SStones
Joined: 24 Nov 2012
Posts: 482
Location: Canada
Expertise: Professional

Espresso: Giga 5, ECM Giotto, Rocket...
Grinder: Anfim Milano-Best
Vac Pot: No  :(
Drip: Some $30 thing from Walmart
Roaster: I buy pre-roasted.
Posted Wed May 7, 2014, 6:17pm
Subject: Re: e61 keeps leaking on expobar leva
 

An E61 at rest (Handle down), has both lower valves held open by the cam,(Against their springs), and the upper valve held closed by the upper spring.  Therefore, if the HE is boiling dry "out through the group head", the problem is in that uppermost valve.  Focus your inspection on that valve and spring, above the group head.  Make sense?
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petje
Senior Member
petje
Joined: 3 Jul 2007
Posts: 7
Location: NL
Expertise: I love coffee

Espresso: Expobar office lever
Grinder: MACAP M4 stepless
Posted Tue May 13, 2014, 3:44am
Subject: Re: e61 keeps leaking on expobar leva
 

SStones Said:

An E61 at rest (Handle down), has both lower valves held open by the cam,(Against their springs), and the upper valve held closed by the upper spring.  Therefore, if the HE is boiling dry "out through the group head", the problem is in that uppermost valve.  Focus your inspection on that valve and spring, above the group head.  Make sense?

Posted May 7, 2014 link

Yes, y'all above is correct, i feel so stupid. The plunger was upside down in the spring in the upper part and of course not closing anything in 'stop' mode. Switched it to correct position and coffee heaven is within reach again. Thanks for advising
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frcn
Senior Member
frcn
Joined: 23 Dec 2001
Posts: 3,427
Location: Northern California
Expertise: Professional

Espresso: Vibiemme Domobar Double
Grinder: Mazzer Kony, Baratza...
Vac Pot: Hario, 2 Cory pots, 1 Cory...
Drip: Behmor Brazen, Bunn A10 mod...
Roaster: computer controlled Hottop,...
Posted Tue May 13, 2014, 8:16am
Subject: Re: e61 keeps leaking on expobar leva
 

File away for future reference:
For more detail on the E-61 group, see these two articles on my website:
How-To 18 - Simple Lubrication of the E-61 Group
How-To 19 - Overhauling and Lubricating the E-61 Group

 
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