Question about Cuisinart SS Grind Central, removable bowl w/ cover Grinder
This seems to be a widespread problem on units manufactured in 2007 and later.
Unplug the unit from the AC outlet. Remove the six screws that hold the lower plastic cover on the motor base (four screws are hidden under the adhesive rubber footpads). This exposes the lower end of the motor shaft, which has a slot in it. By inserting a flat blade screwdriver into the slot and holding the cutting blades with a rag or a wad of paper towel to avoid cutting one's fingers, it is possible to twist the shaft back and forth about 90 degrees. You may need another person to help, because one needs to perform this twisting action while pulling the motor base away from the grinding cup and blade assembly.
Once you get the @&%$#! thing apart, reassemble the motor base. (With the slotted motor shaft, why didn't the designers simply put a hole in the plastic base so one could stick a screwdriver in without disassembling it?) Plug it into the wall outlet and use a small object like a toothpick or matchstick to activate the recessed motor switch so you can spin the motor without the grinding cup in place. Use the blunt edge of a small snap-blade utility knife as a scraper to gently scrape the plastic pin of the motor shaft as it spins, much as one would work a wood turning lathe. Periodically check the fit of the brass hub of the grinding cup on the plastic pin. Continue to shave the pin until the grinding cup slips onto and off the pin with no resistance. Take care to machine the pin uniformly from top to bottom; avoid making grooves.
Why this mechanism worked properly when my grinder was new about 18 months ago and suddenly decided to get stuck this week is a bit of a mystery. The unit in question has been used since it was purchased exclusively to grind flax seed, but the ill-fitting pin normally doesn't come into contact with foods, anyway. There was no obvious evidence of swelling of the plastic due to heat from the motor or oils from seeds. Since the blade and hub are free to travel up and down on the plastic motor shaft pin a bit, I suspect that on occasion the blade doesn't settle properly and the clutch doesn't engage, allowing the pin to spin in the brass bushing until it starts melting, and then the hub settles so that the clutch is fully engaged. This may happen in a matter of just a couple of seconds of operation. Once that happens, the pin conforms to the microscopic grooves inside the brass bushing, allowing it to still turn slightly relative to the motor shaft, but locking it on so that it can't come apart. If Cuisinart had made the pin more tapered and the hole in the brass bushing to match, much like a Jacobs taper on an industrial drill press spindle, this would be much less of a problem.
BOTTOM LINE: Before loading the grinding cup and starting the grinder, push the blade hub down with your finger to make sure the clutch is fully engaged.
Posted on Dec 09, 2009
Tips for a great answer:
Nov 06, 2013 | Cuisinart SS Grind Central, removable bowl...
Aug 27, 2011 | Cuisinart DCG-12BC Electric Blades Grinder
Aug 14, 2011 | Krups Coffee & Spice Grinder - White
Feb 17, 2011 | Cuisinart Grind Central DCG-12BC Blades...
How to Clean SmartGrind Blade Coffee Grinder - White
1. Always unplug the unit before cleaning. Wash the lid in warm, soapy water - not in a dishwasher.
Wipe the grinding bowl, base, and other parts with a slightly damp cloth or sponge. Take special care
around the blades; they are sharp! Dry parts thoroughly. Do not immerse grinding bowl, base or plug
in liquid or under running water.
2. Never use harsh detergents or abrasive cleansers or scouring pads to clean any
3. To remove residue or aromas left behind by nuts, grind one tablespoon of baking
soda in the bowl then wipe thoroughly.
4. Use the built-in cord wrap on the underside of the unit to store the cord
Nov 04, 2010 | Black & Decker Black and Decker CBG5...
May 24, 2008 | KitchenAid BCG100 Electric Blades Grinder
Apr 14, 2008 | Cuisinart SS Grind Central, removable bowl...
Feb 04, 2008 | Cuisinart DCG-12BC Electric Blades Grinder
Jan 19, 2008 | Cuisinart DCG-12BC Electric Blades Grinder
Jan 15, 2008 | Cuisinart DCG-12BC Electric Blades Grinder
Jul 22, 2012 | Cuisinart SS Grind Central, removable bowl...
482 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: