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Creating a Friction Fit for 607706 PF Basket
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TheRealScubaSteve
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TheRealScubaSteve
Joined: 22 Feb 2014
Posts: 97
Location: Massachusetts
Expertise: Just starting

Espresso: Delonghi EC155
Grinder: Baratza Encore
Posted Tue Apr 1, 2014, 8:30pm
Subject: Creating a Friction Fit for 607706 PF Basket
 

So with the multitude of EC155 threads lately, I was wondering about how to make my 607706 basket a friction fit. It fits pretty well, but it's more of an annoyance in emptying the basket than an issue related to brewing.

I had considered adding layers of "stuff," like electrical tape or teflon tape, etc. The amount of heat has me questioning how such things would hold up. If it melts, I would prefer not to ingest glue or other such things.

Somewhere I came across a thread about a brand of PF basket that has a "rim" in it. A piece of metal/spring type things holds the basket in place with friction. Do you think twisting a thin piece of wire would work well enough for this purpose? My basket does not have a rim to hold it in place, but I would think just forcing it in would hold it pretty securely.

Anyone have experience with manufacturing a friction fit basket?

 
"But it is not a perfect world and none of us are god-shots.  As for me, I am a little over extracted and therefore slightly bitter and my crema is thin..." -Buckley
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Burner0000
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Joined: 28 Jul 2011
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Location: Cambridge, Ontario Canada
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Espresso: Rancilio Silvia, VFA Expres...
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Posted Wed Apr 2, 2014, 5:56am
Subject: Re: Creating a Friction Fit for 607706 PF Basket
 

I'd stick to food safe stuff.  For example EMI Supply sells all kinds of glues, sealants, cements and gasket sealant.  I was able to pick up food grade RTA gasket sealant that bonds to pretty much any surface. It's great and can stand up to 500'F temperature.  I'd maybe use something like that and just seal on the basket to the portafilter.
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DanoM
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Espresso: Bezzera Strega, '84 La...
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Posted Wed Apr 2, 2014, 6:36am
Subject: Re: Creating a Friction Fit for 607706 PF Basket
 

I don't know what your portafilter and basket look like, so it's hard to advise specifics.

Wire for basket retention:  In my portafilters I use a brass wire that won't fully fit in the retention spring slot to hold in my portafilters.  It works quite well, but I doubt that wire would work in your situation.

You might try a large, thin o-ring.  Go to the hardware store with your portafilter and basket and see if there is an o-ring that fits for testing.  Ideally you'd get a Viton o-ring or something that handles heat exposure better than buna-n, but buna-n will work and it stretches better.

Don't use electrical tape!  Teflon tape for plumbing has been used this way by some poster I read in the past.
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TheRealScubaSteve
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TheRealScubaSteve
Joined: 22 Feb 2014
Posts: 97
Location: Massachusetts
Expertise: Just starting

Espresso: Delonghi EC155
Grinder: Baratza Encore
Posted Wed Apr 2, 2014, 12:01pm
Subject: Re: Creating a Friction Fit for 607706 PF Basket
 

Thanks for the suggestions. I never thought to look up food safe products. Duh - seems so simple, doesn't it? 500F would certainly be plenty - I don't think my EC155 gets up quite that high...

The o-ring is a nice suggestion, too. This way would offer a means to take the basket off easily in order to clean, swap baskets, etc., unlike cement or some other sealant.

P.S. Here's what my PF looks like.

TheRealScubaSteve: PF mod.jpg
(Click for larger image)

 
"But it is not a perfect world and none of us are god-shots.  As for me, I am a little over extracted and therefore slightly bitter and my crema is thin..." -Buckley
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TheRealScubaSteve
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TheRealScubaSteve
Joined: 22 Feb 2014
Posts: 97
Location: Massachusetts
Expertise: Just starting

Espresso: Delonghi EC155
Grinder: Baratza Encore
Posted Wed Apr 2, 2014, 12:24pm
Subject: Re: Creating a Friction Fit for 607706 PF Basket
 

And the basket...

TheRealScubaSteve: PF basket.jpg

 
"But it is not a perfect world and none of us are god-shots.  As for me, I am a little over extracted and therefore slightly bitter and my crema is thin..." -Buckley
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skydragondave
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Joined: 18 Feb 2013
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Location: Ontario, Canada
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Espresso: Commercial Only
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Roaster: Has Garanti HG5
Posted Wed Apr 2, 2014, 3:25pm
Subject: Re: Creating a Friction Fit for 607706 PF Basket
 

If you hit the rim of the basket on the knockbox bar when clearing dregs as opposed to the handle, basket retention is less of an issue. Not knowing the exact diameter of your PF, ridged baskets in standard commercial sizes typically run about $10 each at the high end.
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TheRealScubaSteve
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TheRealScubaSteve
Joined: 22 Feb 2014
Posts: 97
Location: Massachusetts
Expertise: Just starting

Espresso: Delonghi EC155
Grinder: Baratza Encore
Posted Wed Apr 2, 2014, 3:49pm
Subject: Re: Creating a Friction Fit for 607706 PF Basket
 

I actually can't hit any part of it into a knockbox or trashcan. This is a basket not belonging to my machine and was a way to make better shots since the stock setup (pressurized, etc.) is totally worthless. If I turn the PF upside down, the basket will literally fall to the floor. The PF handle has a tab thing that is meant to hold the basket in place while emptying, but it's also worthless. It's another Delonghi basket so it will surely fall outside the realm of commercial replacements - it's somewhere in the vicinity of 52mm.

 
"But it is not a perfect world and none of us are god-shots.  As for me, I am a little over extracted and therefore slightly bitter and my crema is thin..." -Buckley
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TheRealScubaSteve
Senior Member
TheRealScubaSteve
Joined: 22 Feb 2014
Posts: 97
Location: Massachusetts
Expertise: Just starting

Espresso: Delonghi EC155
Grinder: Baratza Encore
Posted Thu Apr 3, 2014, 6:11pm
Subject: Re: Creating a Friction Fit for 607706 PF Basket
 

So I took my PF and basket to Home Depot but they had a pretty slim selection. An employee stopped to help (I think he was concerned I was going to hijack the part, actually). The gaskets I was looking at didn't fit, but he mentioned that they don't take heat very well, anyway. The only option I found was a pack of 4x4" sheets of gasket material that I could cut out to desired specs. I opted not to get them due to heat. I ended up getting a roll of Teflon tape for $1.30 which seemed to work pretty well. Hopefully it'll hold up over time. I might try a smaller hardware store and see if there's a better option. A gasket would certainly make things simpler.

 
"But it is not a perfect world and none of us are god-shots.  As for me, I am a little over extracted and therefore slightly bitter and my crema is thin..." -Buckley
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D4F
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Joined: 15 Mar 2012
Posts: 1,997
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Thu Apr 3, 2014, 6:28pm
Subject: Re: Creating a Friction Fit for 607706 PF Basket
 

There was a bit of a discussion on another thread about frictioning a basket on EC155.  Hope that it is helpful.

http://coffeegeek.com/forums/espresso/machines/595975?Page=7

 
D4F also at
http://www.gaggiausersgroup.com/
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TheRealScubaSteve
Senior Member
TheRealScubaSteve
Joined: 22 Feb 2014
Posts: 97
Location: Massachusetts
Expertise: Just starting

Espresso: Delonghi EC155
Grinder: Baratza Encore
Posted Thu Apr 3, 2014, 9:11pm
Subject: Re: Creating a Friction Fit for 607706 PF Basket
 

Thanks for the link. I had run read that before when I purchased the basket (it was back ordered) and had forgotten all about it.

Edited word above.

 
"But it is not a perfect world and none of us are god-shots.  As for me, I am a little over extracted and therefore slightly bitter and my crema is thin..." -Buckley
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