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Olympia Cremina potential problem
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Discussions > Espresso > Lever Espresso > Olympia Cremina...  
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dj2000lbs
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dj2000lbs
Joined: 22 Apr 2013
Posts: 16
Location: CHICAGO
Expertise: Just starting

Posted Thu Apr 25, 2013, 11:29am
Subject: Olympia Cremina potential problem
 

I can't believe i've been doing!?

shame on me.

But I've been using the wrong dose with the cremina for several months.
In fact I was getting the idea of finding a different machine..

I had been using 21G in double lite 5lbs tamp    singles i was doing 14G

I've been pulling shots this morning with 16G in a double with a 20lbs tamp
And 10 grams for single

Anyways much better results in terms of the coffee taste..
I'm kind of worried I might have messed up the machine I've attached this Youtube video of how the water comes out of the group as I raise the leveler it seems like the water flow is uneven.  Sometimes it sprays than other times it dosen't.

Right before I shot the video I lubed the inside of the group with Dow Corning 111
let me know what you think...

Click Here (www.youtube.com)
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dj2000lbs
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dj2000lbs
Joined: 22 Apr 2013
Posts: 16
Location: CHICAGO
Expertise: Just starting

Posted Thu Apr 25, 2013, 12:39pm
Subject: Re: Olympia Cremina potential problem
 

This is a video I took right after of me pulling a shot...

Please tell me things I can do better to pull a better shot! your advice would be very much appreciated thanks coffee lovers

http://youtu.be/eOxK6YpmHXo
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SwingT
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Joined: 28 Jul 2009
Posts: 153
Location: GSP
Expertise: I like coffee
Posted Sat Apr 27, 2013, 8:51am
Subject: Re: Olympia Cremina potential problem
 

Ummm, I'm not an expert - but I have been using an 87 cremina just like yours for about 5 years.

Looks to me like you are overdoing some things.

I suggest you

Don't tap portafilter to settle coffee so many times. Tap it a couple of time, and that's it.

Grind fine, don't tamp very much- I just barely pull the tamper down a little with my thumbs - not even a true tamp.

Basically, I am just "dressing" the puck level at the top and spin the tamper a couple of times to polish.

I'm using 15 grams on what I think is an MCal double basket. 15 grams almost fills it up.

Am also using brass Penny bottomless portafilter

Lever -

Pull up slow, counting one thousand, two thousand - then at top count three thousand, four thousand -

Then smoothly down, going slightly below horizontal - and pull lever back to the top for a "fellini" move and you will now get more pressure on the down stroke.

This will give you about a  25 second pull in total.

Watched the second video, everything seemed much longer and more congested than what I am doing. I get coffee out much quicker, I think that your repeated tapping down and heavy tamp is making a harder longer pull, and probably more bitter.

am using a Major grinder, so yours ought to be similar.

Not saying I am doing it right, or that you are doing it wrong - I'm just saying that it works for me.

Also, if you let the machine sit a long time - the group will get too hot - I just wet the end of a cotton towel, and wipe around where the group attaches - you can hear the towel hissing from water hitting too hot surfaces, a quick wipe around the group head - do a couple of up/down short levers that will cycle water thru the group head and pull a shot.
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dj2000lbs
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dj2000lbs
Joined: 22 Apr 2013
Posts: 16
Location: CHICAGO
Expertise: Just starting

Posted Sat Apr 27, 2013, 11:33pm
Subject: Re: Olympia Cremina potential problem
 

I guess I need to figure out what kind of basket I have cause 15 grams for my basket doesn't seem right?  I'll try tomorrow morning very light tamp.

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dj2000lbs
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dj2000lbs
Joined: 22 Apr 2013
Posts: 16
Location: CHICAGO
Expertise: Just starting

Posted Sat Apr 27, 2013, 11:35pm
Subject: Re: Olympia Cremina potential problem
 

dosing cylinder + OE SLAP SHOT

dj2000lbs: 008.JPG
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dj2000lbs
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dj2000lbs
Joined: 22 Apr 2013
Posts: 16
Location: CHICAGO
Expertise: Just starting

Posted Sat Apr 27, 2013, 11:37pm
Subject: Re: Olympia Cremina potential problem
 

single basket

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dj2000lbs
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dj2000lbs
Joined: 22 Apr 2013
Posts: 16
Location: CHICAGO
Expertise: Just starting

Posted Sat Apr 27, 2013, 11:41pm
Subject: Re: Olympia Cremina potential problem
 

Elektra Microcasa a Leva double basket

I just figured it out the Eletra holds more grams of coffee

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dj2000lbs
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dj2000lbs
Joined: 22 Apr 2013
Posts: 16
Location: CHICAGO
Expertise: Just starting

Posted Sat Apr 27, 2013, 11:41pm
Subject: Re: Olympia Cremina potential problem
 

double basket

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dj2000lbs
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dj2000lbs
Joined: 22 Apr 2013
Posts: 16
Location: CHICAGO
Expertise: Just starting

Posted Sat Apr 27, 2013, 11:43pm
Subject: Re: Olympia Cremina potential problem
 

Penney's Espressme Tampers

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dj2000lbs
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dj2000lbs
Joined: 22 Apr 2013
Posts: 16
Location: CHICAGO
Expertise: Just starting

Posted Sat Apr 27, 2013, 11:44pm
Subject: Re: Olympia Cremina potential problem
 

3rd shot for cooling

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