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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 Thu May 30, 2013, 9:16pm
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

toiler Said:

I have a shot time issue. I pull double shots with both stock basket and 20G vst basket.

Using 18 grams of espresso I get 36 grams of coffee in  23 seconds including preinfusion.  I think I should be closer to 32 seconds using 8 seconds of preinfusion.

If I go a little finer I get OPV valve causing fluttering, but I then get a longer shot time.

How long do your double shots run for?

Posted May 30, 2013 link

I shoot for 36gm in 30 seconds. So grind finer, don't sweat the fluttering, that's the OPV doing it's job. As long as it's not kicking in until after 9.

You're doing fine!
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jchung
Senior Member
jchung
Joined: 1 Apr 2013
Posts: 21
Location: Northern Virginia
Expertise: I like coffee

Espresso: Gaggia Baby Twin, Breville...
Grinder: Baratza Encore, Breville...
Posted Fri May 31, 2013, 5:12am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

toiler Said:

I have a shot time issue. I pull double shots with both stock basket and 20G vst basket.

Using 18 grams of espresso I get 36 grams of coffee in  23 seconds including preinfusion.  I think I should be closer to 32 seconds using 8 seconds of preinfusion.

If I go a little finer I get OPV valve causing fluttering, but I then get a longer shot time.

How long do your double shots run for?

Posted May 30, 2013 link

I've had my BDB/B for about a month now. I use 18g in an 18g VST basket. I pull ~ 1.6 oz in about 35 seconds (including 7s preinfusion).  My pressure reads about 9.5 - 10 bar.

I use the Breville Smart Grinder and weight the PF + Basket + Grinds before pulling the shot to make sure I have ~ 18g. I use the OE funnel when grinding into the PF and WDT in the funnel before tamping.
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wjordan
Senior Member


Joined: 13 Sep 2012
Posts: 20
Location: London, ON, Canada
Expertise: Just starting

Espresso: Breville BEX900XL
Grinder: Baratza Virtuoso Precise
Roaster: Local - Hasbeans, London, ON
Posted Fri May 31, 2013, 6:23am
Subject: Re: Water Filter Replacements
 

JMFishtown Said:

Sorry WJordan, when Breville swapped my machine they told me to keep the filters if I wanted to so I have something like 14 filters; haven't bought one yet and won't be buying one for a while.  How significant is the price difference?

Posted May 30, 2013 link

Here in Canada, about $5 cheaper ($24 for 6 filters), but no shipping cost as I can pick them up locally.
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toiler
Senior Member


Joined: 23 Aug 2012
Posts: 24
Location: Whistler
Expertise: I love coffee

Espresso: Breville 990XL
Grinder: Vario W
Posted Sat Jun 1, 2013, 9:29am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

JMFishtown I have the Vario W, fresh beans. New addition is the cool 30lb calibrated Espro Tamper. (Which I won at @coffeegeek 15,000 followers on Twitter contest. Thanks Mark and Espro!)

I adjusted the OPV valve, and it kicks in close to 10 bars. If I pull shot at 9.5 bars, it is too fast. Grind finder, needle flutters like mad and I get a 30+ second shot.

The fluttering bothers me, perhaps it is normal? This is the second machine that has done this.
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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 Sat Jun 1, 2013, 11:04am
Subject: Needle-ing you...
 

Does it fluctuate the same with the blank? If not, there's something going on in your puck. I have no idea what in a puck would do that. I've noticed that shots that start out just shy of the OPV kicking in will slowly build pressure and have it kick in, which I attribute to fines migration.

How does it taste? How much is it fluctuating, that is, 2 bar in each direction? 1 bar? I suppose that could be a sloppy OPV.

I can see where that might be unsettling, but how does it taste is the real answer.

Also, set your OPV so shots pull at 9 bar and you won't have to grind so fine. The espresso mafia says 9 bar is perfect all the time. FWIW.

Next time I pull a shot I'll pay more attention, but I think my gauge only moves around .5 bar in total.

OH, you might make sure you put everything back together nice and tight when you made the adjustment, I remember a caveat about that somewhere.
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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 Sun Jun 2, 2013, 11:38am
Subject: Re: Breville Dual Boiler BES900XL Owners Thread
 

toiler Said:

JMFishtown I have the Vario W, fresh beans. New addition is the cool 30lb calibrated Espro Tamper. (Which I won at @coffeegeek 15,000 followers on Twitter contest. Thanks Mark and Espro!)

I adjusted the OPV valve, and it kicks in close to 10 bars. If I pull shot at 9.5 bars, it is too fast. Grind finder, needle flutters like mad and I get a 30+ second shot.

The fluttering bothers me, perhaps it is normal? This is the second machine that has done this.

Posted June 1, 2013 link

What dose are you using? Since you have a Vario-W i'm assuming you're going by weight
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occoffeefan
Senior Member


Joined: 27 Sep 2008
Posts: 55
Location: Orange County, CA
Expertise: I love coffee

Espresso: Breville Dual Boiler
Grinder: Baratza Vario W, Mazzer Mini...
Roaster: Behmor
Posted Mon Jun 3, 2013, 9:08am
Subject: Re: Portafilter spinning out of the machine - Breville will replace
 

I just talked to Matt at Breville USA.  My portafilter is spinning out the the machine. He said it might be the 3 flanges in the machine getting looser. There is a shipment of new machines arriving this week and he will replace my machine free of change. My machine is just over a year old. I understand this will be the newer version of the machine and my problem should be fixed with the newer version. Breville customer service is AMAZING!
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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 Mon Jun 3, 2013, 11:41am
Subject: Re: Portafilter spinning out of the machine - Breville will replace
 

occoffeefan Said:

I just talked to Matt at Breville USA.  My portafilter is spinning out the the machine. He said it might be the 3 flanges in the machine getting looser. There is a shipment of new machines arriving this week and he will replace my machine free of change. My machine is just over a year old. I understand this will be the newer version of the machine and my problem should be fixed with the newer version. Breville customer service is AMAZING!

Posted June 3, 2013 link

That's great service on a dysfunctional design, IMO. I've found that I can cure the spin out syndrome by using the blank with some cleaner (I use a powder as the pills rand out). Just do a manual backflush and let some of the foamy chemical spurt out by loosening the PF, then tightening it. Doing that a few times seems to get rid of the oils that make it slippery in the collar area. That's my theory anyway.

I do that for about 10 seconds, then let it sit for a bit. Then rinse well.

I don't mind doing this about once a week, but it shouldn't happen in the first place.

When you get your new machine can you take a peek at the group head and see if it's majorly different than the one you had? Ooo! Take a pict or two before you send it off :) That is, if it isn't on it's way already!

Thanx for the update.
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toiler
Senior Member


Joined: 23 Aug 2012
Posts: 24
Location: Whistler
Expertise: I love coffee

Espresso: Breville 990XL
Grinder: Vario W
Posted Sat Jun 8, 2013, 1:44pm
Subject: Re: Needle-ing you...
 

It flutters the same with blank. I prefer to have a 9 bar shot without fluttering which is why I adjusted the pressure. Best to move it back down and let the valve do its job.  It seems to make better shots with the fluttering and makes them in the proper time so I guess  its supposed to do that.

I am using 18 gram shots most times, but I move it up or down a few 10th's sometimes. Mostly I leave the dose the same and adjust the grind.

Overall the flutter is about 1 bar, half up and half down.
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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 Sat Jun 8, 2013, 6:56pm
Subject: One bar..
 

That seems a bit much. I think my machines vary more like 1/4 bar, at most. Still, if you're getting good tasting shots then you might simply put electrical tape on the gauge.

Enjoy your beans!
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