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Lets talk about COFFEE - Page 236

post #3526 of 4112

Fuuckk, my Gaggia Classic has been producing really low water volume for a while now, so I finally did a descale with citric acid (1.5tbsp to a quart of water). I did as instructed but in the middle of running clean water through the group and steam valve, it just kind of stopped pumping out water. I messed around with it a bit, then I gave up, opened it up and cleaned the solenoid valve in descaler. Put it all back together but still doesn't work. I don't hear the pump anymore, and I don't see any water being sucked up the silicone tube. No water comes out of either steam valve or group head. Did I royally fuck up and kill the pump? It's not too expensive to replace, but wanted to check if there is any other explanation. 

post #3527 of 4112
If it doesn't pump and makes no sound, it's probably the pump.
post #3528 of 4112
Quote:
Originally Posted by b1os View Post

If it doesn't pump and makes no sound, it's probably the pump.


 +1 on the pump. Have been using "Durgol" decalcifier with noticeable results. 

 

Good idea to replace the brew head gasket every year also.

post #3529 of 4112

Hmm so I tried removing the pump just to have a look before ordering a new one. I could mostly get it out but the bottom silicone tube seemed stuck and I couldn't see how to get the pump separated from the metal case it was in. So I thought I'd put it all back for now - turned machine on and now the pump is super loud but still no water from group or steam valve. Edit: the loud sound was due to placement of the silicone tube attached to the pump, but that means the pump is still doing "something"? I am so confused!


Edited by t3hg0suazn - 10/18/15 at 9:40am
post #3530 of 4112
You could try removing the "pump -> brew group"-tube from the brew group, place it into a mug outside the case (if it's long enough..) and try it again. If it doesn't work, it's 100% the pump.
post #3531 of 4112

b1os is a god. 

 

I removed the tube connection pump to opv at the opv end, and tried running water. Nothing came out of the tube at first and a bunch of water came out of the opv, which was weird. I guess this water was trapped somehow. Anyways after doing this a few times (wiping up water as I went), no more water leaked out and water started to come out of the tube from the pump. Maybe there was air trapped inside somehow? 

 

I reconnected the tube to the opv, but still no water in steamer or grouphead. I went out and bought a 17mm wrench to access the opv. I gave it a 270 degree turn counterclockwise, which I think equates to about 1.5 bar decrease in pressure. (Apparently people intentionally decrease the pressure anyways because Gaggia preset is too high.) Putting everything back in place, there's now water coming out of both steam wand and group head! 

post #3532 of 4112
Glad it all worked out. smile.gif
post #3533 of 4112


I am impressed, does Gaggia still recommend using distilled water ? Sounds as though it may have been clogged ?

 

Now that you have decreased the pressure how is it pulling ?

 

Enjoy and well done    

post #3534 of 4112

I don't think Gaggia makes a recommendation, but I use filtered water because I wanted to minimize cleaning. Yesterday I had to get a syringe to manually prime the pump once more, so it seems there was a lot of trapped air in the pump somehow. But today it seems all is finally well. My beans are a little old by now so the crema is still unimpressive, but the shot today had the most nuanced flavors I've tasted from these beans so far. So hopefully many more good shots to come on this machine. 

post #3535 of 4112

I usually take my coffee black with just a teaspoon of sugar but sometimes I'd go for cappucino, no foam.

post #3536 of 4112

Well, Intelligentsia just followed Stumptown's lead and sold a stake to Peet's. Hopefully this doesn't have any negative impacts, but I'm not holding my breath.

post #3537 of 4112
Quote:
Originally Posted by t3hg0suazn View Post
 

Well, Intelligentsia just followed Stumptown's lead and sold a stake to Peet's. Hopefully this doesn't have any negative impacts, but I'm not holding my breath.


There's no scenario where they don't end up killing off the Intelligentsia brand and folding the company into Stumptown. Literally no other way to make it work. No value is created by having two similarly positioned brands under a single holding company.

post #3538 of 4112
Quote:
Originally Posted by OmniscientCause View Post

Ugh...looks like I'll be only getting intelligentsia and elixir now.

Looks like you spoke too soon.
Quote:
Originally Posted by joshuadowen View Post


There's no scenario where they don't end up killing off the Intelligentsia brand and folding the company into Stumptown. Literally no other way to make it work. No value is created by having two similarly positioned brands under a single holding company.

I'm not entirely sure about that. I was talking to a former Caribou corporate employee a little while ago about their deal with Peets.

Not sure if this is really quite the same though...Caribou had a majority stake acquired by the same holding company that acquired the majority stake in Peets. Some markets (like Chicago) had their Caribou locations converted to Peets, but otherwise they have been pretty much allowed to continue doing their own thing, with the backing of access to much of Peets logistics.

Sounds like these new acquisitions might be coming from inside of Peets though, so things could be different. Couple things that I see differentiating the chains though (possibly a bit chicago centric):
-Peet's reaches far and wide with their own coffee supply, but I pretty much only see it served in their own shops. No independent shops or restaurants. Do see it pretty available in grocery stores (but might not meet Whole Foods requirements IIRC)
-There is no local stumptown here, but their beans are used heavily by a LOT of independent coffee shops. Pretty much every good shop I can think of, that isn't directly tied to a local roaster chain, serves stumptown (whether they advertise it or not). Not sure I have ever seen it in a store here.
-Intelli serves in their own shops. Can't offhand think of any independents here that serve it, but I can think of a lot of restaurants that serve it. Shows up in a lot of groceries, including Whole Foods, and I know for sure that some of the major "corporate coffee service" distributors offer it to business purchasers.

If any of that holds up much in other markets, they could fold Intelli into Stumptown and gain access to a few segments that aren't otherwise strongly represented (but I would also not be surprised if every restaurant in portland serves stumptown and people have it in their offices and grocieries). But there also might be enough differentiation there to keep them separate.
post #3539 of 4112
post #3540 of 4112
Very cool. I didn't realize coffee culture was so from North Carolina. Congrats! Glad things are going well

I've been wanting to write a post on coffee in Korea and Japan. South Americans are roasted pretty dark here but oddly Ethiopians are roasted pretty perfectly. Tokyo had a lot of cool weird cafes.
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