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Espresso: Espresso Mods and Restorations
Ec155 "Annual"
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Discussions > Espresso > Espresso Mods > Ec155 "Annual"  
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Nickfrogger
Senior Member
Nickfrogger
Joined: 26 Nov 2010
Posts: 205
Location: Spokane
Expertise: I love coffee

Espresso: Rancilio Silvia V3 w/PID,...
Grinder: Forte, Lelit PL53, Baratza...
Vac Pot: Yama TCA-5 Siphon
Drip: V60 (A red one!)
Roaster: Behmor 1600
Posted Tue Dec 27, 2011, 1:11am
Subject: Ec155 "Annual"
 

While hardly a serious modification or restoration, I figured I'd post this here as a reference for anyone who wants to clean or repair their Ec155. Although I've been enjoying a new-to-me pid'd Silvia for a few months, 30 pounds is a lot for carry on luggage; that means I'm relying on my trusty Ec155 (weighing in at a significantly smaller 9 pounds) to provide my daily dose of 'spro this holiday season. But It is a bit old and has been sitting for a while, and I noticed some leaking steam and dripping when I first set it up. I figured a good, thorough stripdown and cleaning would help it out.
 
It is a very simple machine and not to daunting to take apart. After emptying the water tank and unplugging it, I removed the steam knob. It is friction fit, so I just loosened it off with a butter knife:

Steam knob

Once that is off, four screws (two on the top and two on the bottom) hold the rest of the top on.

Once I had the top off, I turned the machine on its side and removed the bottom panel. From here I removed two hoses connecting the water tank to the pump. I wonder if that blue hose is for an OPV? The bottom tray was pretty disgusting, it was nice to clean that out.

Pump hoses
Bottom tray

From there I flipped it back upright and marked the electrical connectors. Then I removed the 4 lowest screws around the boiler/grouphead piece and the tube that connects the pump to the boiler. Check the quality of the gaskets on each end of that tube, I had one break and leak water into the machine a little while back. It might be a good idea to replace them now. I also disconnected the steam hose.

Machine internals

From there, I carefully wedged the whole piece out of the machine's shell:

Disassembled machine
Pump, boiler and grouphead assembly

I loosened the 4 bolts that hold the grouphead, gasket and boiler together and separated the parts.

I was surprised by the lack of build-up in the boiler despite my relatively loose descaling schedule. I cleaned the boiler and heating element as well as the gasket and the rubber arms that hold the portafilter in place.

Boiler

I prefer the steaming arm on the right side, so I ran the steamer through the hole left when I removed the built-in tamper. Soon I'll but in a ball and socket type thing to make it omni-directional.

Steam arm

Then I reversed my work, plugged everything back how it should be, and fired it up to see if it would still work. I added a little insulation around the steam line as it is now running close to some wires. I also bunched some syran wrap around the tube from the pump to the boiler to stop it from rattling against the shell so the machine would quit down a bit.

Test

Everything worked just dandy, so I put the bottom tray back on, put in the dispersion screen and screwed the top back on.

Reassembled machine

No more dripping, a bit quieter and a better steam wand location. If you take it apart, be sure to have lots of rags handy.The boiler will dump out all the water in it when you remove it.

I hope this can be helpful or at least interesting to someone!
~Nick

 
There's a big difference between drinking coffee to wake up and waking up to drink coffee.
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Bitches_Brew
Senior Member
Bitches_Brew
Joined: 4 Feb 2009
Posts: 776
Location: indiana
Expertise: I like coffee

Espresso: yes
Grinder: yes
Vac Pot: no
Drip: no
Roaster: yes
Posted Tue Dec 27, 2011, 8:08am
Subject: Re: Ec155 "Annual"
 

nice job! i didn't even know those machines were serviceable. i now regret tossing my BAR 32 in the trash.

 
"You can write down how to make the perfect cup of coffee. But to make it really good, you have to play something fictional, you have to dress up, you have to think, This is the most important thing."
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epengr
Senior Member
epengr
Joined: 1 Apr 2012
Posts: 46
Location: Saskatoon
Expertise: Just starting

Espresso: NS Oscar
Grinder: Baratza Vario
Posted Sun Apr 1, 2012, 1:06pm
Subject: Re: Ec155 "Annual"
 

Thanks for sharing!

I'm about to try adding a cheap PID to my BAR32.  I expect it'll be very similar inside, although probably a bit trickier to get into...

I've already replace the plastic panarello-thingy with a single hole tip and I can turn out reasonable foam (just starting to get the hang of stretching).  I'd LOVE to replace it with a ball/socket steam wand though, have you gone any further with this idea?  Any ideas for parts yet?

Thanks,
-David
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Nickfrogger
Senior Member
Nickfrogger
Joined: 26 Nov 2010
Posts: 205
Location: Spokane
Expertise: I love coffee

Espresso: Rancilio Silvia V3 w/PID,...
Grinder: Forte, Lelit PL53, Baratza...
Vac Pot: Yama TCA-5 Siphon
Drip: V60 (A red one!)
Roaster: Behmor 1600
Posted Sun Apr 1, 2012, 10:07pm
Subject: Re: Ec155 "Annual"
 

Hey David, welcome to CoffeeGeek!
    I haven't thought about it too much since the machine is home and I'm 1600 miles away at school with my Silvia, but I'm back to the DeLonghi this summer so I'm going to do it soon. I've seen some stiff twisty tubing that doubtfully, but could possibly, do the trick like this, but I'll probably just run to my hardware store and look for a socket with a hole in it that looks like this but properly sized. Then pull out the hot glue gun ;)
   
    Have fun with the project and let us know how it goes!

~Nick

 
There's a big difference between drinking coffee to wake up and waking up to drink coffee.
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Gallansio
Senior Member


Joined: 10 Jun 2013
Posts: 33
Location: Seattle
Expertise: Just starting

Posted Thu Jun 13, 2013, 8:18pm
Subject: Re: Ec155 "Annual"
 

What tool did you use to take the bottom off?  It looks like some sort of star tool...

Thanks!
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Gallansio
Senior Member


Joined: 10 Jun 2013
Posts: 33
Location: Seattle
Expertise: Just starting

Posted Sun Jun 16, 2013, 2:15pm
Subject: Re: Ec155 "Annual"
 

Nevermind. I figured it out. It's a tamperproof torx bolt. Got me a new tool! :)
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Step by step guide for easy brewing and steaming with the Rancilio Silvia
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