file My Gaggia Classic is Busted...

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8 years 2 months ago #4513 by Ernest
My Gaggia Classic is Busted... was created by Ernest
…reducing me to subsistence on drip coffee:angry: …save me please…

Through use, abuse and general neglect my ten year old Gaggia Classic has ceased to push water through the grouphead.:ohmy: It’s gleaming gold exterior belying total inoperability… With the pump turned on water gushes with violent force out the steam wand, however, if one cranks the wand closed one hears the pump’s muted struggle to push a piddley drop or two out the grouphead – maybe 10ml in 30 seconds.

I have popped the screen off and undone the two hex bolts hoping that something cleanable would present itself. If undoing the two hex bolts was supposed to release something – it didn't.

The tap water here is notably soft and leaves little mineral residue in kettles, even after years of use. I think it’s unlikely that the machine is calcified. It may be crudded up with espresso muck?

Any suggestions? If you are from Victoria BC do you know a repair shop?

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8 years 2 months ago #4514 by colin
Replied by colin on topic My Gaggia Classic is Busted...
Steampunk!

Nice.

Have you tried a descale or two?

There are a couple of repair options for you -
Care to attempt a few things yourself?

Repair will be around $125.

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8 years 2 months ago #4517 by Ernest
Replied by Ernest on topic My Gaggia Classic is Busted...
Hi Colin,

What would you recommend as a descaler?

There seems to be a lot of web-opinions on the effects of acid on the aluminium boiler.

Yes, I am willing to try a fix or two.

Steampunk? This is my everyday look.

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8 years 2 months ago #4518 by colin
Replied by colin on topic My Gaggia Classic is Busted...
Melitta carafe cleaner from Thrifty Foods --

e-mail for instructions...

There are also numerous Gaggia care and cleaning articles on this website...

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8 years 2 months ago #4521 by Ernest
Replied by Ernest on topic My Gaggia Classic is Busted...
Hi Colin,

Thanks for the suggestions.

I didn't find Melitta carafe cleaner per-say, but gave the Melitta Descaler a shot. (try image insert :side: ) According to the label its citric acid and aluminium sulphite.

I followed the instructions here: www.coffeecrew.com/gear/334-gaggia-step-by-step-v10
for descaling, using the 50/50 water descaler mix suggested on the bottle.

There was maybe 15 ml per 30 sec flow from the grouphead at most, the flow is somewhat inconsistent. I would say there was no change after two descaling cycles.

The descale solution comes out of the machine visibly unchanged with a few coffee particulates.

Hmmmmm...:S
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8 years 2 months ago #4524 by Ernest
Replied by Ernest on topic My Gaggia Classic is Busted...
Success! Water flow is restored! More importantly - Caffeine flow!

My dispersion block (the disk of metal just under the screen held on by two hex bolts) was stuck in place with a mixture of coffee residue and calcification. I was unable to budge it with bare hand action but a gentle nudge with the flat head screwdriver popped it off:

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