Question about Gaggia Classic Espresso Machine
Heres the story.
I picked up a Gaggia espresso (a few years old, not the most recent model) that hadnt been used in a long time. I followed the instructions for cleaning but noticed a fair amount of crud coming out of the steam wand every time I opened it. To fix the problem I made a vineagar/water solution and after limited results with that I ran straight vinegar through the machine. There was alot less crud, but water was no longer coming out of the brew head, instead all leaking back into the resivour via the saftey valve. The steam wand still functioned with steam or water. After opening the machine and boiler up, I belive that water is jamming in the group body (28) or the copper suction pipe (17) as labeled here http://www.gaggiaparts.com/GaggiaEspresso.html
it seems that there is some rubber thing in the way of the suction pipe at the bottom of the group body. Any help on this matter is greatly apprecaited! Thank you!!
Remove shower and screw, then run brew button, if that works clean shower, if not remove allen wrench screws and clean diffuser and valve on spirng.
Posted on Oct 21, 2009
SOURCE: no hot water or steam from wand.
If steam wand is not blocked then the problem is on the inside of the machine, try descaling the machine that might clear the blockage in the steam line.
Posted on Nov 29, 2009
This is hard to picture. The only way water can come out the brew spout is if the brewing mechanism inside in the position to make coffee. The only way to get that mechanism into that position is to either select one of the three coffee buttons (you'd hear the grinder run, then you'd hear the motor putting the brew mechanism into place and then the pump start and water would then come out the brew spout. OR to select preground coffee and then select one of the three coffee sizes - in that case you wouldn't hear the grinder but you'd still hear the motor turn the brew mechanism into brewing position and then start the pump.
When you simply select hot water and then open the steam valve - I can't imagine any possible way for water to come out the brew spout.
Now if you mean that you don't see any water come out but water is leaking inside the cabinet and ending up in the drip tray - then that would mean a leak inside the machine. It could be the valve that the brew group locks into when it goes into brew position (you see this valve in a little recess behind the brew mechanism when you take the brew group out to clean it). Or it could be a leaking steam valve or hose inside.
You might try getting a flashlight and a cleaning brush - take out the brew mechanism and then clean around that little nozzle/valve that is in the recess just the left of center behind where the brew mechanism was. That valve should shut when you are not in brew position and not allow any water out - but it may be gummed up with coffee grounds.
If you are feeling brave - you would need a deep socket and a lot of patience with a small breaker bar (a ratchet head is too big to fit in there) and you can remove that nozzle/valve and then clean it or replace it. But it is very slow going to remove it (there must be some special tool they use at the factory). I had just the right size deep socket (like what you'd use for a spark plug in a car) but there wasn't room for a ratchet so I had to use a small breaker bar and I could only turn the valve about 1/4 turn at a time then I'd have to reposition the socket to do another 1/4 turn. It took 5-10 minutes to remove it - then it was easy to clean. I think you could clean it in place with a stiff bristle brush and some q-tips.
I don't know if that valve is the problem - but that's the only thing I can think of that would have your hot water and steam running into your drip tray instead of out the steam wand.
Posted on Nov 03, 2010
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