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Teflon Tape Disaster
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Discussions > Espresso > Grinders -... > Teflon Tape...  
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SpromoSapiens
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SpromoSapiens
Joined: 26 Feb 2010
Posts: 102
Location: Boise ID
Expertise: I live coffee

Espresso: Riviera Eagle, '91 Livietta,...
Grinder: Vario, KA ProLine, Sozen...
Drip: Clever, V60
Roaster: Behmor 1600
Posted Sat Sep 1, 2012, 8:30pm
Subject: Teflon Tape Disaster
 

Hey all,

I went and screwed up my espresso grinder but good. In an effort to stave off upgrade-itus, I wanted to modify my flat stepped grinder (akin to a NS MCF) to be stepless by way of teflon tape around the threads of the upper burr carrier, but of course I wrapped it too many times. As I attempted to screw the upper burr carrier back down, it jammed up, and then it jammed again as I attempted to retreat, and so it is irrevocably jammed in both directions. All I can think of to do now is try to completely dissemble the entire machine until there's nothing left connected but the upper burr carrier and the column its jammed into, then put that in a vice and try to somehow pry or knock it loose. I have no idea whether I'll succeed or ruin the parts or what, but it's useless to me anyway if I don't even try. Anyone got any tips or tricks to un-sticking a heck of a teflon jam? Thanks!
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NobbyR
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NobbyR
Joined: 10 Jul 2011
Posts: 2,045
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Mon Sep 3, 2012, 12:02am
Subject: Re: Teflon Tape Disaster
 

Pardon me, but if the Victoria Arduino MCF is identical in construction to the Nuova Simonelli MCF (which again is the same as the Eureka Mignon), as far as I know it'll already be stepless by design.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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SpromoSapiens
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SpromoSapiens
Joined: 26 Feb 2010
Posts: 102
Location: Boise ID
Expertise: I live coffee

Espresso: Riviera Eagle, '91 Livietta,...
Grinder: Vario, KA ProLine, Sozen...
Drip: Clever, V60
Roaster: Behmor 1600
Posted Mon Sep 3, 2012, 5:45am
Subject: Re: Teflon Tape Disaster
 

Therein lies the rub, my friend. This old grinder vs. current models = similar but not identical. Even the similarities remain speculative at the end of the day. I did some snooping to try to figure out exactly what model this grinder is, as I purchased it used and it does not correlate exactly to any of either NS or VA's current line-up. Here's a post detailing my findings:

Click Here (www.home-barista.com)

It's performed quite satisfactorily over the past year or so. I've always considered it a sort of stepping stone, though, and while the inevitable upgrade-itus has been creeping in as well, now's really not the time for such an expenditure. I figured going stepless and replacing the burrs ought to jazz things up enough to keep me happy for another stretch.

I can't believe I'm the only schmoe that's ever overdone it on the teflon, though, considering how common a mod it is. Anyone else have this problem?
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NobbyR
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NobbyR
Joined: 10 Jul 2011
Posts: 2,045
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Mon Sep 3, 2012, 7:12am
Subject: Re: Teflon Tape Disaster
 

I see. That might be a different story, because the recent model of the Victoria Arduino MCF looks like this, which is more or less identical to the Nuova Simonelli exept for the dented casing.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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SpromoSapiens
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SpromoSapiens
Joined: 26 Feb 2010
Posts: 102
Location: Boise ID
Expertise: I live coffee

Espresso: Riviera Eagle, '91 Livietta,...
Grinder: Vario, KA ProLine, Sozen...
Drip: Clever, V60
Roaster: Behmor 1600
Posted Mon Sep 3, 2012, 8:00am
Subject: Re: Teflon Tape Disaster
 

One Aussie specialist estimated that mine is an example of the bygone original NS-made line of VA-branded grinders intended for pairing with a VA machine. It could very well be over 20 years old, and despite some cosmetic differences of shape, hopper, etc, the internals were at that point identical. (See my HB post for details.) There's no mistaking the stepped adjustment, though, which has always been the drawback to this otherwise fine grinder. From what I gather, a lot of Rancilio Rocky owners go the route of taping the threads of their upper burr carrier in order to go stepless, and that it's a common method of upper-burr stabilization even for some factory stepless grinders... Is my grinder ruined? Is my only hope hinged upon a total teardown? Or could there be an easy fix?
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CraigA
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CraigA
Joined: 19 Dec 2001
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Location: Rexdale, Toronto, Ontario, Canada.
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Espresso: PID/PressureMod 2001...
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Vac Pot: Bodum Santos manual, Yama 5...
Drip: Behmor BraZen, BUNN VPR-APS,...
Roaster: Refurb Behmor 1600, BBQ...
Posted Mon Sep 3, 2012, 8:14am
Subject: Re: Teflon Tape Disaster
 

SpromoSapiens Said:

All I can think of to do now is try to completely dissemble the entire machine until there's nothing left connected but the upper burr carrier and the column its jammed into, then put that in a vice and try to somehow pry or knock it loose.

Posted September 1, 2012 link

No, certainly don't pry or try & knock it loose unless you want to damage things. Teflon tape is a thread sealant medium (it takes up the play/slack between the male & female threads) & also performs a lubricating function.

I have a solution for you here: "Re: Rocky Grinder- Upper burr carrier stuck!" & pictured below.

CraigA: StrapWrench.jpg
(Click for larger image)

 
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SpromoSapiens
Senior Member
SpromoSapiens
Joined: 26 Feb 2010
Posts: 102
Location: Boise ID
Expertise: I live coffee

Espresso: Riviera Eagle, '91 Livietta,...
Grinder: Vario, KA ProLine, Sozen...
Drip: Clever, V60
Roaster: Behmor 1600
Posted Mon Sep 3, 2012, 3:37pm
Subject: Re: Teflon Tape Disaster
 

Strap wrench, eh? I guess if I can find one on the cheap I'll give it a whirl. I've got nothing to lose, after all. Thanks, CraigA. Do you really think I'll be able to force my way through some serious teflon clumping?
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CraigA
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CraigA
Joined: 19 Dec 2001
Posts: 11,245
Location: Rexdale, Toronto, Ontario, Canada.
Expertise: I live coffee

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 Mon Sep 3, 2012, 3:46pm
Subject: Re: Teflon Tape Disaster
 

Yes, you'll never achieve with your bare or gloved hands the grip & extra leverage & torque you'll get with the extended length of the handle on the strap wrench that acts like a "breaker bar".The upper burr carrier should hopefully be able to slice/cut through the teflon tape.

If the strap wrench isn't long enough, you could just slip a longer piece of pipe over the handle to extend the length for even more leverage/torque. {;-)

 
http://twitter.com/CoffeegeekCraig
http://www.facebook.com/craig.andrews.169

Excellent coffee doesn't just happen!
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,775
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Tue Sep 4, 2012, 7:26am
Subject: Re: Teflon Tape Disaster
 

Yep, what Craig said.

Hammering on things (unless it is red hot metal) is a darn good way to make sure they wind up in the trash can.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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uyeasound
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Joined: 27 Oct 2011
Posts: 8
Location: Shetland
Expertise: I love coffee

Posted Tue Sep 4, 2012, 12:28pm
Subject: Re: Teflon Tape Disaster
 

petrol might get rid of it for you if you can immerse it for a while.
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