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Need to replace Rocky
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Discussions > Espresso > Grinders -... > Need to replace...  
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interference
Senior Member


Joined: 11 Jun 2007
Posts: 71
Location: TX
Expertise: I love coffee

Espresso: Quickmill Andreja Premium
Grinder: Mazzer Mini
Posted Tue Mar 25, 2008, 12:48pm
Subject: Re: Need to replace Rocky
 

I have been critical of the Rocky as an espresso grinder, but I still think the Rocky doserless is a solid choice for a drip grinder.  Hopefully you can repair it, but replacing it with another Rocky wouldn't be such a bad idea.
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zehnmm
Senior Member


Joined: 22 Mar 2008
Posts: 5
Location: New Mexico
Expertise: I like coffee

Posted Tue Mar 25, 2008, 5:40pm
Subject: Re: Need to replace Rocky
 

PJK Said:

Hi Steve,

Does the machine make any sound when you turn it on?

If a motor burns out it usually isn't a faint smell, it smells really bad.

Will the shaft turn by hand? Unplug the machine before you try.

Did the machine fail while running or fail to start?  If it failed to start the problem could be the starting switch (relay) or the capacitor.

Phil

Posted March 25, 2008 link

Phil:  Well, I spent some more time fiddling around with it, and started using a digital multimeter to test various connections.  That meant unplugging and plugging back in a few wires and unscrewing a few screws here and there.  Good news!  In doing this I suppose I re-established connections that perhaps were dusty or whatever.   Perhaps some contacts were blocked.   Now it is working again!  Motor not burned out!  Yea!

I should like to profusely, publicly, thank you for taking your time to hang in there with me and post some absolutely helpful questions and tips.  If it were not for your advice, my good fortune would not have happened!

God Bless!

Steve
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jmoras
Senior Member


Joined: 1 Aug 2005
Posts: 3
Location: Berkley, mi
Expertise: I love coffee

Espresso: Silvia
Grinder: Rocky
Roaster: Z&D and popcorn
Posted Mon Oct 8, 2012, 10:45am
Subject: Re: Need to replace Rocky
 

I had a similar issue - but after taking Rocky apart the entire body was full of coffee grounds, some of which had fouled the switch.

After LOTS of cleaning - working again.

Any idea why the body was full of coffee grounds? Been in use 10 years.

Photo attached.

jmoras: Coffee2.jpg
(Click for larger image)
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PJK
Senior Member
PJK
Joined: 21 Jan 2002
Posts: 2,319
Location: Shingle Springs CA
Expertise: I love coffee

Espresso: Rancillo Silvia, Tonic...
Grinder: Modified Rocky, Elma side...
Vac Pot: Old Silex
Drip: Melitta BCM 4  +Some old...
Roaster: Hottop, Modified Z&D,...
Posted Tue Oct 9, 2012, 8:54pm
Subject: Re: Need to replace Rocky
 

Hi Steve,

Somehow I missed this good news in 2008.  At any rate I'm glad the story had a happy ending.

Phil

 
Philip J. Keleshian
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PJK
Senior Member
PJK
Joined: 21 Jan 2002
Posts: 2,319
Location: Shingle Springs CA
Expertise: I love coffee

Espresso: Rancillo Silvia, Tonic...
Grinder: Modified Rocky, Elma side...
Vac Pot: Old Silex
Drip: Melitta BCM 4  +Some old...
Roaster: Hottop, Modified Z&D,...
Posted Tue Oct 9, 2012, 9:04pm
Subject: Re: Need to replace Rocky
 

Hi Jmoras,

Are you using a Click-Clack lid or other plunger device?  I use a piston which I machined to fit the bean hopper.  I think what happens is the extra pressure from plunging drives coffee dust up through the grooves in the side of the upper burr carrier.  It means you have to take the case off the machine for house cleaning every couple of years or so.  I think it is a small price to pay for not having stale nasty grounds in the coffee which you are brewing.

Phil

jmoras Said:

I had a similar issue - but after taking Rocky apart the entire body was full of coffee grounds, some of which had fouled the switch.

After LOTS of cleaning - working again.

Any idea why the body was full of coffee grounds? Been in use 10 years.

Photo attached.

Posted October 8, 2012 link


 
Philip J. Keleshian
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