germantownrob Senior Member Joined: 2 Dec 2007 Posts: 2,018 Location: Philadelphia Expertise: I love coffee
Espresso: Duetto 3, A Dead Oscar Grinder: Vario-W, Preciso w/Esatto,... Drip: Brazen Roaster: Diedrich IR-1, HT B
Posted Thu Dec 6, 2012, 12:36pm Subject: Oscar leaking from the center of the heating element
I screwed up my descale yesterday and the result was a leak from the center of my heating element. Looking at the NS parts list for the Oscar I am confused on page 7 ( Click Here (www.nuovasimonelliusa.com) ) part 09500014 is part of a heating element or a seperate part. The leak is definitely spitting water from the center of the heating element and not the threads where the heating element attaches ( although there is evidence of water leaking there).
I need to strip the shell off of Oscar to do the repair and I have not had to do this yet. Does anyone have any links on taking Oscar apart (Helen I am hoping you do)?
calblacksmith Moderator Joined: 25 Nov 2007 Posts: 5,685 Location: Riverside, Ca, U.S.A. Expertise: I live coffee
Espresso: ECM Veneziano A1 Grinder: Many different commercial Vac Pot: 40s era Silex Drip: Milita, Bunn&Curtis... Roaster: Cast iron pan, gas burner
Posted Thu Dec 6, 2012, 3:19pm Subject: Re: Oscar leaking from the center of the heating element
Rob, I don't know if this will help, there are some parts manuals at Simonelli for Oscar. Sorry to hear of the troubles. I think you already have this information as you specify parts and pages but here it is for those who may need it for their problems.
I really don't see how a descale would hurt a part that was not marginal anyway so perhaps this was a blessing so you could take care of this before it caused a problem in your kitchen later.
As always, if there is anything I can help with, just ask. My public email is there for anyone to use.
In real life, my name is Wayne P.
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germantownrob Senior Member Joined: 2 Dec 2007 Posts: 2,018 Location: Philadelphia Expertise: I love coffee
Espresso: Duetto 3, A Dead Oscar Grinder: Vario-W, Preciso w/Esatto,... Drip: Brazen Roaster: Diedrich IR-1, HT B
Posted Thu Dec 6, 2012, 4:31pm Subject: Re: Oscar leaking from the center of the heating element
calblacksmith Said:
I really don't see how a descale would hurt a part that was not marginal anyway so perhaps this was a blessing so you could take care of this before it caused a problem in your kitchen later.
As always, if there is anything I can help with, just ask. My public email is there for anyone to use.
Fine I will confess my screw up. I decided to descale yesterday even though I have been very absent minded of late, I filled the boiler with descale and brought up to temp, after some group flushes it was time to overfill the boiler to get solution to the top. Normally when I do this I disconnect the wire going to the overflow and open the steam valve, then reconnect wire and let the machine heat the water and solution until the most the excess steams out, shut the steam valve and let heat, cool and repeat. This time however I filled the boiler completely, shut the stem valve and walked away while it heated up and I got distracted, something had to give and it wasn't my over pressure valve (come to think of it I should replace this while Oscar is apart).
Posted Thu Dec 6, 2012, 5:19pm Subject: Re: Oscar leaking from the center of the heating element
If i remember, you should have access to most of the boiler and the internals by just removing the top shell. The top shell is held on by 6 screws(two shorter on the front, 4 longer in the middle and back under the tank cover). If you need to go further to remove the chassis, i remember i had to remove the pump and gicar from the bottom and possibly also the front panel that is held on by the two screws you can see from the front and the screws behind the button panel.
germantownrob Senior Member Joined: 2 Dec 2007 Posts: 2,018 Location: Philadelphia Expertise: I love coffee
Espresso: Duetto 3, A Dead Oscar Grinder: Vario-W, Preciso w/Esatto,... Drip: Brazen Roaster: Diedrich IR-1, HT B
Posted Fri Dec 7, 2012, 5:39am Subject: Re: Oscar leaking from the center of the heating element
frank828 Said:
If i remember, you should have access to most of the boiler and the internals by just removing the top shell. The top shell is held on by 6 screws(two shorter on the front, 4 longer in the middle and back under the tank cover). If you need to go further to remove the chassis, i remember i had to remove the pump and gicar from the bottom and possibly also the front panel that is held on by the two screws you can see from the front and the screws behind the button panel.
I have had the Oscar broken down to the point where I had to disconnect wires from the gicar and pump but chickened out and stopped. This time it is necessary to take it all apart to access the heating element. I am sure if I am organized and take pictures of the process I should be fine putting it all back together.
I wish I had saved links to previous posts since for some reason you have to get creative with searches on info for the Oscar.
Thank you Helen, that was exactly the link I was thinking about!
My daughter is pushing to be on the naughty list this year, I keep threatening not to get the tree but I have to break down today and come up with a new threat.
greglepore Senior Member Joined: 15 Aug 2004 Posts: 16 Location: se pa usa Expertise: I love coffee
Posted Mon Dec 10, 2012, 1:19pm Subject: Re: Oscar leaking from the center of the heating element
The part you refer to is the overtemp fuse. It is a seperate part.
The case comes off fairly easilly-there are screws in the bottom that need to come out, and you need to remove the power cord from the brain.
The opv should have opened, but in my experience they open easily. The pressurestat should have shut off the heat as well, if the pressure actually rose.
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