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Silvia - Leak on steam valve and PID upgrade
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Discussions > Espresso > Espresso Mods > Silvia - Leak on...  
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D4F
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Joined: 15 Mar 2012
Posts: 1,981
Location: USA
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Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Mon Sep 10, 2012, 7:46pm
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

I gave an answer for this general info on the Gaggia SBDU thread.

Click Here (coffeegeek.com)

 
D4F also at
http://www.gaggiausersgroup.com/
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tasseloff
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Joined: 18 Jan 2009
Posts: 229
Location: Sherbrooke, Canada
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Posted Wed Sep 19, 2012, 5:08pm
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

So, its been a while, lots of work, but tonight I needed a little break so I thought I'd take appart my steam valve to replace the O-rings.
However, I am not sure why the kit I had ordered came with 4 o-rings? When dismantling it I only see two of them on the valve?
I was also wondering about the gasket, as it shown in the picture, is this normal, that is has such a form (the old one?)? I guess its probably from overuse, but still...

tasseloff: P1140028.JPG
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tasseloff
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Location: Sherbrooke, Canada
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Posted Wed Sep 19, 2012, 5:09pm
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

Valve gasket:

tasseloff: P1140029.JPG
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tasseloff
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Joined: 18 Jan 2009
Posts: 229
Location: Sherbrooke, Canada
Expertise: I love coffee

Posted Wed Sep 19, 2012, 5:09pm
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

Also wondering, when do I actually put DOW111 lubricant?? Simply on the O-rings?
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tasseloff
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Joined: 18 Jan 2009
Posts: 229
Location: Sherbrooke, Canada
Expertise: I love coffee

Posted Wed Sep 19, 2012, 6:49pm
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

Ended up putting a little lube on the two little o-rings. From what I gather there was 4 of them, but 2 were spares, so I guess I'll keep them somewhere safe in case I need them later on.

Looks as if its all good now, but I'll see in a few days if everything is still leak-free.

I'm still awaiting an AC SSR that I ordered on ebay, and some silicon wire as well before starting the PID upgrade.
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CraigA
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CraigA
Joined: 19 Dec 2001
Posts: 11,208
Location: Rexdale, Toronto, Ontario, Canada.
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Espresso: PID/PressureMod 2001...
Grinder: BUNN FPG-2 DBC, Baratza...
Vac Pot: Bodum Santos manual, Yama 5...
Drip: Behmor BraZen, BUNN VPR-APS,...
Roaster: Refurb Behmor 1600, BBQ...
Posted Wed Sep 19, 2012, 7:20pm
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

tasseloff Said:

So, its been a while, lots of work, but tonight I needed a little break so I thought I'd take appart my steam valve to replace the O-rings.
However, I am not sure why the kit I had ordered came with 4 o-rings? When dismantling it I only see two of them on the valve?

Yes, two of them on the valve., & the other two are for the steam arm to be put on the end. If you don't have them or only one, the other one is stuck up inside the fitting for the steam arm.

tasseloff Said:

I was also wondering about the gasket, as it shown in the picture, is this normal, that is has such a form (the old one?)? I guess its probably from overuse, but still...

No, not from overuse. The black washer is called a castillated lock washer & bites into the Sivia's frame & the steam valve to keep it solidly in place so it dosen't move/creep with the opening & closing of the steam valve.

tasseloff Said:

Also wondering, when do I actually put DOW111 lubricant?? Simply on the O-rings?

Yep, simply put a tiny amount into the steam valve shafts grooves & side the O-rings into place. Then smooth & finish up with a tiny bit on top so that they're greased. Also lightly put a small amount of Dow111 into the male threads of the steam shaft & thread it back into the steam valves body.

CraigA: Castellated lock washer_2012-09-19_22-30-36.jpg

 
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tasseloff
Senior Member


Joined: 18 Jan 2009
Posts: 229
Location: Sherbrooke, Canada
Expertise: I love coffee

Posted Thu Sep 20, 2012, 6:05am
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

Well, I more or less put it like you said ;) lol

Good thing is it seems to work perfectly, much better than before and no apparent leaks. All of this made me realize as well the importance of finding a good place to put the wires and SSRs for the PID. I better watch to make sure its safe from possible water leaks.
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tasseloff
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Joined: 18 Jan 2009
Posts: 229
Location: Sherbrooke, Canada
Expertise: I love coffee

Posted Sun Oct 7, 2012, 3:09pm
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

Well, its been a few weeks, but I finally received all the parts to start assembling my PID!

I got the silicon wires from ebay, and an AC SSR as well, and the PID/DC SSR/RTD Thermocouple from Auberins.

However, my machine is sitting next to me "naked", and I just noticed something that looks like a leak. I brushed it off a little so it might not be too visible on the picture, but I think you can still see where the little leak comes from on the pump.

Any advice on how to secure it? Simply make it tigher, or would I need to add some teflon tape in there? I actually changed the pump earlier this year, so I guess its my fault if its leaking... :/

tasseloff: P1140033.JPG
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tasseloff
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Joined: 18 Jan 2009
Posts: 229
Location: Sherbrooke, Canada
Expertise: I love coffee

Posted Sun Oct 7, 2012, 6:13pm
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

Well, I'm deep into wiring at the moment. Its not actually complicated but making sure not to make an error takes some time.

Just wanted to ask a question to anyone who had done the mod before. When taping the power from the power switch to the PID, is it possible that the power cables are upside down? Meaning, the positive (+) power from the main cord (wall-plug) is going to the switch but on the bottom connector, and then on the top, the wire goes to the rest of the machine. Same for the negative (-) wire. Logically it wouldn't change a thing, but when trying to install a piggyback connector, if its on the bottom its a bit more problematic to fit it there. Basically I just reversed the positions of these two wires so as to be able to hookup the piggyback connectors on top.



What I did is I reversed those cables. Now the power is coming on the bottom, and leaving to the rest of the machine (if switch activated) on top.

Since a picture is worth a thousand words etc...

First image: Red arrow points to power cable, coming from the outside source (wall plug)

Second image: I switched the power wire on the bottom connector. Did the same for the negative wire.

tasseloff: P1140035.JPG
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tasseloff
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Joined: 18 Jan 2009
Posts: 229
Location: Sherbrooke, Canada
Expertise: I love coffee

Posted Sun Oct 7, 2012, 6:13pm
Subject: Re: Subject: Silvia - Leak on steam valve and PID upgrade
 

Second image

tasseloff: P1140036.JPG
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