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Pressure gauge stuck on Quick Mill Andreja - repair or replace?
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acodring
Senior Member


Joined: 15 Jun 2012
Posts: 7
Location: Ottawa
Expertise: I like coffee

Espresso: Quick Mill Andreja
Grinder: Baratza Vario
Posted Tue May 20, 2014, 9:35am
Subject: Pressure gauge stuck on Quick Mill Andreja - repair or replace?
 

Hi there,
I was a little slow getting around to a descale recently and my Andreja expressed it's frustration with me by blowing it's top.

I believe what happened is the p-stat got sticky, the boiler overheated, and the boiler release valve released. I wasn't in the room, but heard the bang from the other side of the house. This has happened before, and the machine gets back to normal after a descale.

This time the machine mostly recovered and works normally, except for the boiler pressure gauge which is stuck on the wrong side of the zero pin. See attached photo.

I did some searching here and saw a recommendation to replace the gauge in another thread but that was for a different machine.

Would that same advice apply to my Andreja, or is there some kind of repair I can attempt?
I'm a capable instruction-follower, and have successfully torn down and rebuilt the group before.

Thanks in advance for any advice.

Cheers,
Andrew

acodring: Gauge small.jpg
(Click for larger image)
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,672
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Tue May 20, 2014, 2:10pm
Subject: Re: Pressure gauge stuck on Quick Mill Andreja - repair or replace?
 

For the most part, the gauges are not repairable but you have nothing to loose. It kind of depends on what is wrong with the gauge. If it is simply that it bounced over the pin and is now stuck, you might be able to remove the glass and pop the needle over the pin. If however the boron tube inside the gauge is bent an this is now the normal position for the needle, you need to replace the gauge.

It is up to you. The machine can work just fine without the gauge so even if you do nothing you still can have coffee. Be aware though that some of the fittings are metric in the plumbing (I am not sure with your machine about the gauge) and if you remove the gauge and can not get it to seal again then you will be without coffee until you can get a cap for the line or the gauge is replaced.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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acodring
Senior Member


Joined: 15 Jun 2012
Posts: 7
Location: Ottawa
Expertise: I like coffee

Espresso: Quick Mill Andreja
Grinder: Baratza Vario
Posted Tue May 20, 2014, 7:54pm
Subject: Re: Pressure gauge stuck on Quick Mill Andreja - repair or replace?
 

Thanks for the response. Very helpful.

I'll probably make sure to have a replacement gauge on hand before trying a repair.
Until then I'll keep enjoying the machine.

Chris Coffee has the part for $50, I just have to get over the $25 shipping to Canada. :-)
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skydragondave
Senior Member


Joined: 18 Feb 2013
Posts: 167
Location: Ontario, Canada
Expertise: Professional

Espresso: Commercial Only
Grinder: Commercial Only
Roaster: Has Garanti HG5
Posted Wed May 21, 2014, 6:52pm
Subject: Re: Pressure gauge stuck on Quick Mill Andreja - repair or replace?
 

If you are in Ottawa, there are a few sources in Montreal that can probably get this gauge to you faster and cheaper.
My first recommendation would be Cafe Union - they are a Quickmill dealer. Speak to James in the parts department, he speaks perfect English and is very knowledgeable. If you can't get one from him email me and I'll send you the contact info of a few others.
If the needle is on the other side of the pin, one of two things happened - the bourdon tube overinflated and distorted, or the linkage between the bourdon tube and the needle broke away. Neither are repairable and for the cost of a new gauge, isn't worth the effort especially since you will have no way to calibrate the needle position and rate.
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