HomeRoast Digest


Topic: Re+Old coffee goo (5 msgs / 165 lines)
1) From: Jim Brockman
Reply-To: homeroast
I'm in the process of degrunging a well-used grinder, it's
practically
buried in residue of coffee. Does anyone have a
recommendation for something
that'll take this stuff off?
John
John: I was lucky enough to snag an old beat-up Super Jolly
which had been in commercial use. A real mess.  Coffee oil
just baked on. Took it home, carefully disassembled it and
used my wife's home steam cleaner unit.  The coffee goo just
melted away. The Super Jolly is now in mint condition on my
counter....Just dry the components well and I applied a
light application of silicon to all "non-coffee" parts.  Jim
Brockman in Florida
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2) From: Henry C. Davis
undiluted clorox cleanup also melts - on contact - the oily stuff and the
burned on stuff. You need to rinse well, and air dry the parts since the
stuff leaves an odor if you don't. Obviously, you can't really do this
unless you are talking about cleaning parts removed from the grinder since
the electric part of the grinder wouldn't tolerate the procedure very well.
;-)
If you aren't taking it apart, the rice and air compressor (or compressor in
one direction, vacuum on the opposing side for the compulsively neat) will
get most of it. Dental tools are what I use to clean assemblies that I can
not take apart and are too tight for toothbrushes.

3) From: john kangas
<Snip>
which had been in commercial use. A real mess.  Coffee oil
just baked on. Took it home, carefully disassembled it and
used my wife's home steam cleaner unit.  The coffee goo just
melted away. The Super Jolly is now in mint condition on my
counter....Just dry the components well and I applied a
light application of silicon to all "non-coffee" parts.  Jim
Brockman in Florida<<<<<
Hey, that's what I ended up with, too. Nothing like a little overkill. ;-)
Got the grinding end done yesterday. I actually used a small knife to 
whittle crud out of the way so the lower burr base could come out. Yech!
I was hoping to strip it down to the exoskeleton and powdercoat it at work, 
but after seeing how everything's put together... Immense motor precisely 
fitted, with high quality German bearings pressed into the body locating 
each end of the shaft, the top's machined so precisely that the burrs can be 
set to match perfectly with screw tension alone... This is a serious 
machine, no way I'm gonna mess with it!
Thanks to everybody for the input, it'll come in handy, I still haven't 
touched the doser yet!
John
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4) From: Marchiori, Alan
I got my Super Jolly last night and started to tear it apart to clean it and
ran into a little snag...  Is it possible to remove the motor from the
housing?  I removed the burrs and the big bolt at the top and the screws
holding the motor in from the bottom, but the motor still shows no sign of
moving.  I'd like to remove it so that I can clean all the non-electrical
parts thoroughly.  Any ideas?
Alan...

5) From: jim gundlach
Hi,
    I think it is held in place with pressed bearings.  You probably do 
not want to go any farther since it is almost impossible to remove the 
bearings without ruining them.  Probably the best you can do is clean 
it out with blasts of air from an air compressor or canned air.
Jim Gundlach
On Friday, December 6, 2002, at 09:11 AM, Marchiori, Alan wrote:
<Snip>
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