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carz07
Senior Member
carz07
Joined: 20 Oct 2012
Posts: 207
Location: Philippines
Expertise: I live coffee

Espresso: Breville Dual Boiler
Grinder: Baratza Vario, Bodum Bistro,...
Drip: V60, Phin, Bonmac, Ame. Drip
Posted Sat May 11, 2013, 7:54pm
Subject: pressure readings
 

hi guys please do inform me if regarding this

  1. using single shot dual wall with blind filter - pressure reads 9.5 and steady
  2. using single shot single wall with blind filter - pressure hits 9.5 and then drops to 8bars steady

is there any problem with the machine?

 
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PrescottCR
Senior Member
PrescottCR
Joined: 19 Dec 2012
Posts: 127
Location: Prescott
Expertise: Pro Roaster

Espresso: Breville
Grinder: Baratza
Roaster: Diedrich
Posted Sun May 12, 2013, 1:41pm
Subject: Curious..
 

Does your rubber cleaning disc have a hole in it?

I'm not sure that matters, but just in case it does I thought I'd ask.

My machines blind at 9.5 and never drop. Single wall single filter with rubber cleaning disc with no hole.
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carz07
Senior Member
carz07
Joined: 20 Oct 2012
Posts: 207
Location: Philippines
Expertise: I live coffee

Espresso: Breville Dual Boiler
Grinder: Baratza Vario, Bodum Bistro,...
Drip: V60, Phin, Bonmac, Ame. Drip
Posted Sun May 12, 2013, 6:04pm
Subject: Re: Curious..
 

PrescottCR Said:

Does your rubber cleaning disc have a hole in it?

I'm not sure that matters, but just in case it does I thought I'd ask.

My machines blind at 9.5 and never drop. Single wall single filter with rubber cleaning disc with no hole.

Posted May 12, 2013 link

hi PrescottCR, my blind filter doesnt have a hole in it.

is my machine having some issues?

 
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PrescottCR
Senior Member
PrescottCR
Joined: 19 Dec 2012
Posts: 127
Location: Prescott
Expertise: Pro Roaster

Espresso: Breville
Grinder: Baratza
Roaster: Diedrich
Posted Sun May 12, 2013, 7:43pm
Subject: Well, I dunno..
 

I suspect it does, but can't say for sure. Hopefully someone here or at CS will chime in with their experience. There are enough people on these boards that chances are someone (or more) have gone through what you are experiencing.

Good luck!

Rich
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carz07
Senior Member
carz07
Joined: 20 Oct 2012
Posts: 207
Location: Philippines
Expertise: I live coffee

Espresso: Breville Dual Boiler
Grinder: Baratza Vario, Bodum Bistro,...
Drip: V60, Phin, Bonmac, Ame. Drip
Posted Sun May 12, 2013, 7:56pm
Subject: Re: Well, I dunno..
 

PrescottCR Said:

I suspect it does, but can't say for sure. Hopefully someone here or at CS will chime in with their experience. There are enough people on these boards that chances are someone (or more) have gone through what you are experiencing.

Good luck!

Rich

Posted May 12, 2013 link

i hope so im calling for their help

anyone please help, bubbadude and dagoat have you experienced this? has anyone experienced this?

 
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BubbaDude
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BubbaDude
Joined: 8 Jan 2011
Posts: 522
Location: High in the Rockies
Expertise: I love coffee

Espresso: Breville Dual Boiler
Grinder: Baratza Vario
Vac Pot: Yama
Drip: Clever Coffee Dripper
Roaster: Hottop 2KB
Posted Mon May 13, 2013, 1:32pm
Subject: Re: pressure readings
 

carz07 Said:

hi guys please do inform me if regarding this

using single shot dual wall with blind filter - pressure reads 9.5 and steady
using single shot single wall with blind filter - pressure hits 9.5 and then drops to 8bars steady

is there any problem with the machine?

Posted May 11, 2013 link

Sounds like there could be, assuming there aren't any water leaks. You're either losing pressure from the blind, the seal, or the OPV, I imagine. You might want to check very closely for leaks.

 
"I've Scaced many HX/E61 machines, seeing shot variances of up to 8-10F or more. [The BDB] stays within 1F." - Mark Prince
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JMFishtown
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JMFishtown
Joined: 18 Jan 2013
Posts: 38
Location: Philadelphia
Expertise: I love coffee

Espresso: Breville Dual Boiler
Grinder: Compak K3 Touch
Drip: Aeropress, Espro Press
Roaster: Behmor 1600
Posted Mon May 13, 2013, 2:47pm
Subject: Re: pressure readings
 

Carz: is any water coming from the portafilter when you're using the single wall basket with the blind?

They tell you to use the dual wall basket for backflushing because it creates a better seal; if you are losing water there probably is no issue.

My guess would be if anything is bad it's the OPV which I remember someone replaced with a brass unit some time back so it's definitely user serviceable.
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carz07
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carz07
Joined: 20 Oct 2012
Posts: 207
Location: Philippines
Expertise: I live coffee

Espresso: Breville Dual Boiler
Grinder: Baratza Vario, Bodum Bistro,...
Drip: V60, Phin, Bonmac, Ame. Drip
Posted Mon May 13, 2013, 8:38pm
Subject: Re: pressure readings
 

BubbaDude Said:

Sounds like there could be, assuming there aren't any water leaks. You're either losing pressure from the blind, the seal, or the OPV, I imagine. You might want to check very closely for leaks.

Posted May 13, 2013 link

hi bubbadude, how am i gonna do this?

should i remove the drip tray and check during after preinfusion - i mean will the leak start to drip as the pressure kicks in? or is the leak just driping from somewhere? even if the machine is off?

 
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carz07
Senior Member
carz07
Joined: 20 Oct 2012
Posts: 207
Location: Philippines
Expertise: I live coffee

Espresso: Breville Dual Boiler
Grinder: Baratza Vario, Bodum Bistro,...
Drip: V60, Phin, Bonmac, Ame. Drip
Posted Mon May 13, 2013, 8:40pm
Subject: Re: pressure readings
 

JMFishtown Said:

Carz: is any water coming from the portafilter when you're using the single wall basket with the blind?

They tell you to use the dual wall basket for backflushing because it creates a better seal; if you are losing water there probably is no issue.

My guess would be if anything is bad it's the OPV which I remember someone replaced with a brass unit some time back so it's definitely user serviceable.

Posted May 13, 2013 link

there is no water that comes out from the pf even while using both walls
what do you mean losing water?

 
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BubbaDude
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BubbaDude
Joined: 8 Jan 2011
Posts: 522
Location: High in the Rockies
Expertise: I love coffee

Espresso: Breville Dual Boiler
Grinder: Baratza Vario
Vac Pot: Yama
Drip: Clever Coffee Dripper
Roaster: Hottop 2KB
Posted Mon May 13, 2013, 8:42pm
Subject: Re: pressure readings
 

carz07 Said:

hi bubbadude, how am i gonna do this?

should i remove the drip tray and check during after preinfusion - i mean will the leak start to drip as the pressure kicks in? or is the leak just driping from somewhere? even if the machine is off?

Posted May 13, 2013 link

I've never done it, so your guess is as good as mine. You might try taking the skin off an looking inside with a bright light. If it's damp inside, that's a clue.

 
"I've Scaced many HX/E61 machines, seeing shot variances of up to 8-10F or more. [The BDB] stays within 1F." - Mark Prince
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