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Espresso: Espresso Mods and Restorations
How's this thing supposed to work?
Rocket R58 Double Boiler
Rocket Espresso R58 Double Boiler -  Everything you need for the perfect shot!
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GVDub
Senior Member


Joined: 25 Jan 2008
Posts: 862
Location: Los Angeles, CA
Expertise: I live coffee

Espresso: Londinium I, Arrarex...
Grinder: Gaggia MD85, Dienes Mokka,...
Drip: Behmor Brazen, Abid Clever
Roaster: Behmor 1600+
Posted Sun Sep 16, 2012, 11:03am
Subject: How's this thing supposed to work?
 

This is the drain plug on the bottom of my Ellimatic boiler, with the nut removed. I'm assuming that something's supposed to move when I loosen the nut so the boiler will drain (obviously not a problem at the moment). How is it supposed to work, anyway? if something's stuck, what's the best way to loosen it without damaging the boiler?

GVDub: EllimaticDrainPlug.jpg
(Click for larger image)
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NSElliIterator
Senior Member


Joined: 30 Jul 2010
Posts: 25
Location: Surrey, BC
Expertise: I like coffee

Espresso: NS Ellimatic
Grinder: NS MDXA
Drip: Bodum
Posted Sun Sep 16, 2012, 11:54pm
Subject: Re: How's this thing supposed to work?
 

I emailed my local NS Repair shop and they suggested pliers will pull out the drain plug just fine and I followed the advice.  No problem!
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GVDub
Senior Member


Joined: 25 Jan 2008
Posts: 862
Location: Los Angeles, CA
Expertise: I live coffee

Espresso: Londinium I, Arrarex...
Grinder: Gaggia MD85, Dienes Mokka,...
Drip: Behmor Brazen, Abid Clever
Roaster: Behmor 1600+
Posted Mon Sep 17, 2012, 7:45am
Subject: Re: How's this thing supposed to work?
 

Thanks! Despite the fact that I'd soaked it in a fairly strong hot citric acid solution a couple of times already, there was so much scale buildup that the drain was pretty well glued shut. Took a little more convincing than I expected to get loose, but the plug and the boiler half are now soaking, once again, in citric acid.

Interestingly, there was no sign of scale on the inside of the boiler when I opened it up, so I hadn't expected this kind of accumulation in the drain. I'm guessing the previous owners hadn't known that it was a drain, since it's obviously been sealed shut for some time. Makes, to me, a compelling reason to stay on top of maintenance and use the drain when I descale, to make sure that buildup gets properly flushed.

This machine has turned into a real adventure, but I will know it extremely well by the time I'm finished.
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TRUgEEk
Senior Member


Joined: 6 Aug 2012
Posts: 20
Location: east coast
Expertise: I love coffee

Posted Mon Sep 17, 2012, 9:35am
Subject: Re: How's this thing supposed to work?
 

I'm in the process of refurbing my first machine and I agree completely with your last observation and think it's a great reason to do this in the first place!
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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,030
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Mon Sep 17, 2012, 10:01am
Subject: Re: How's this thing supposed to work?
 

I feel very comfortable with Oscar because of having to fix so much.  I am glad I did that also, I know I can handle whatever come up.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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