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the Gaggia Classic Halfwit needs help after work done by professionals
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Discussions > Espresso > Machines > the Gaggia...  
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M_R
Senior Member
M_R
Joined: 8 Aug 2011
Posts: 112
Location: Sydney
Expertise: I like coffee

Espresso: Gaggia Classic
Grinder: Lelit PL043MM
Posted Wed Aug 28, 2013, 12:37am
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

Finally got the machine back, after much struggling around with it in my shopping trolley.
It's working; but the flow is quite different. There's hardly any crema.
I've forgotten everything I knew about adjusting the grind to get the flow one wants.
Who's feeling sufficiently patient to remind me, please, fellers?
:-|
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brianl
Senior Member


Joined: 1 Dec 2012
Posts: 409
Location: Chicago IL
Expertise: I love coffee

Espresso: Gaggia Classic (w/PID)
Grinder: Baratza Vario
Drip: chemex
Posted Wed Aug 28, 2013, 7:05am
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

lack of crema...I'd start with getting fresh beans (or swapping out beans if you just bought them). If you are using the pressurized portafilter system, I doubt grind has much to do with it. As for flow, its usually finer slows the flow and coarse speeds it up.
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M_R
Senior Member
M_R
Joined: 8 Aug 2011
Posts: 112
Location: Sydney
Expertise: I like coffee

Espresso: Gaggia Classic
Grinder: Lelit PL043MM
Posted Wed Aug 28, 2013, 1:50pm
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

The electrician who did the repairs on my Gaggia had called to say it was ready, and that he had cleaned out the boiler - so it was indeed a matter of build-up's getting loose and gumming up the works.
I suppose I must admit that it was probably my fault, inasmuch as I hadn't been back-flushing with a cleaning agent, and certainly not de-scaling: all I did was use my blind filter quite often to do a kind of minor back-flush ... maybe there's a term for that? (she asked, hopefully ...)
I've now ascertained, as mentioned previously, that I can source the Durgol; so I must be clear on everything I'm going to have to do from now on ... Nobby, as you were the one who mentioned it, would you confirm that the Durgol is for de-scaling? - and if so, then what is to be used for back-flushing? Alternatively, if the Durgol's for back-flushing, what should I use for de-scaling? NOT, I hasten to add, that I have the faintest intention of doing any de-scaling in the ... erhmm ... 'foreseeable' future (whatever that is)!
The prospect of taking apart my grinder fills me with anticipatory gloom.
Old broads shouldn't have to do this kind thing, imnsho.
:-|
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Skylar
Senior Member


Joined: 15 Apr 2004
Posts: 119
Location: New Jersey
Expertise: I love coffee

Espresso: lelit espresso
Grinder: lelit grinder
Vac Pot: B. D. Electric
Drip: chemex
Roaster: wok roast and popper, heat...
Posted Wed Aug 28, 2013, 2:23pm
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

If I may interject. I use Durgol to descale my Lelit (a single boiler like your classic). My son in law uses it to descale his (formerly my)Gaggia "Espresso". It is not for back flushing. For back flushing my Lelit, I use Cafiza by Urnex.

The "Swiss Duegol" is liquid. One follows the instructions, diluting the stuff in water and then running it into your boiler where it is claimed to rapidly work it's magic (check out the video).

The Cafiza is a coarse sort of solid material, a 1/2  teaspoon put into the blind filter and backflushing is done. Both products have instructions.

Prophylactic cleaning avoids problems. I usually set aside a quiet Sunday morning to backflush and every several Sundays to descale. Using a regular cleaning routine there has been no problem with either machine. The Gaggia is 10+ years old. The Lelit 4+.


Happy espresso,

       Skylar
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M_R
Senior Member
M_R
Joined: 8 Aug 2011
Posts: 112
Location: Sydney
Expertise: I like coffee

Espresso: Gaggia Classic
Grinder: Lelit PL043MM
Posted Wed Aug 28, 2013, 2:30pm
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

Cool! - sounds good to ME.
And what about your grinder? - how often do you clean that?
As for the Cafiza, I see that I can also source that through Fishpond.com.au - coming from OS suppliers - but am unsure re the difference betwen tablets and powder.Your recommendation in this regard?
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MJW
Senior Member


Joined: 25 Jul 2012
Posts: 179
Location: Silicon Valley
Expertise: I love coffee

Posted Wed Aug 28, 2013, 4:12pm
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

M_R, what you were doing before, is called a "clear water backflush" and is widely considered good practice.

In Australia you have Cafetto tablets / powder which are popular, and may be easier for you to get.  Urnex Cafiza is fine though.

The only practical difference with tablets versus powder, is that tablets make it easy to get the dose right and are obviously easy to pop in there.

It won't hurt the grinder to let it go without cleaning, unlike the espresso machine which requires the TLC.  I clean my grinder very often maybe once every two weeks, but once a month is probably more often than necessary.

I hope you get your machine back, and in working order this time!
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M_R
Senior Member
M_R
Joined: 8 Aug 2011
Posts: 112
Location: Sydney
Expertise: I like coffee

Espresso: Gaggia Classic
Grinder: Lelit PL043MM
Posted Wed Aug 28, 2013, 4:33pm
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

Ah ... clear water backflush, eh? - well, that was recommended to me by the delightful woman who supplies my (approximately) monthly kilo of delectable beans, and she even sent me a thinggy to do it with. I've since bought a regular blind filter, and have never forgotten her admonition on this topic.   :-)
It won't hurt the grinder not to be cleaned? - DEO GRATIAS!!! I shall instantly abide by that advice.
I shall also buy tablets so as to facilitate to the max. everything I must from hereon do.
Struth!
It really is a business, this being addicted to coffee... but then, one does get to 'meet' such kind and helpful people.
:-D
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Skylar
Senior Member


Joined: 15 Apr 2004
Posts: 119
Location: New Jersey
Expertise: I love coffee

Espresso: lelit espresso
Grinder: lelit grinder
Vac Pot: B. D. Electric
Drip: chemex
Roaster: wok roast and popper, heat...
Posted Wed Aug 28, 2013, 5:16pm
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

I clean out my grinder (espresso grinder) with a coffee bean shaped product from urnex called "Grindz". I do this every pound of beans or so. No set rule for me. I use the blind basket and backflush with water after every coffee session.

Skylar
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frcn
Senior Member
frcn
Joined: 23 Dec 2001
Posts: 3,287
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 Aug 28, 2013, 5:23pm
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

On my website (URL in teh sig a the bottom of this post), on the RIGHT hand side, see "How To" # 1, 8, and 12.
and this article: http://www.frcndigital.com/coffee/3way/intro.html which discusses why backflushing a machine with a 3-way valve is safe.

 
Visit My Website
www.EspressoMyEspresso.com
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M_R
Senior Member
M_R
Joined: 8 Aug 2011
Posts: 112
Location: Sydney
Expertise: I like coffee

Espresso: Gaggia Classic
Grinder: Lelit PL043MM
Posted Wed Aug 28, 2013, 6:04pm
Subject: Re: the Gaggia Classic Halfwit needs help after work done by professionals
 

Ah yes! - in fact, I used that in the days when I had a Gaggia grinder ... which I don't no more 'cause it didn't deliver single shot-sized amount of ground coffee. Now my Sunbeam EM0450 is the darling of my heart - well, second only to the Gaggia Classic itself, of course! - and you guys don't have 'em up there.
This link provides a good reason for halfwits like me to spend all our days in total confusion: the bloke reckons it doesn't grind fine enough! Good GRIEF! you can produce a grind so fine that it will block up all outlets!
OK, I'm prepared to try the Grindz on the Sunbeam. Cain't hoit.   :-)
And I shall also - once I've returned from my local GP's rooms - read up on those pointers, numbers 1,  and 12!
Many thank, guys!
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