Question about Bodum 's C-MILL electric blade coffee grinder in matt chrome

3 Answers

The blade has come loose

The blade on the grinder has come loose. This means it does not follow the turns of the motor. It is just a little bit loose, and I see no way to either remove it or tighten it.

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  • Anonymous Sep 14, 2008

    the blade has become loose



  • Dykerlad Sep 18, 2008

    I bought this product last Christmas & used it perhaps three or four times a week. By May, the blade had come loose completely ie it wouldn't spin when the motor ran. I couldn't see an easy repair. I had lost the receipt but liked the grinder so bought another. Today (mid September) the same happened again. The machine was certainly not overloaded with coffee beans (enough for one double espresso). Any advice please? DC

  • mkeene61 Sep 22, 2008

    happened to mine too and I've only used around 20 times!! Has anyone figured out how to retighten??

  • jgillett Nov 18, 2008

    Just happended to me - grinding some beans when suddenly the blade came loose. It's 3 months old! Grrrrr

    John


  • krastalier Jan 16, 2009

    Same thing here, the blade just came loose after three weeks of normal use, and I just can't figure out how the blade can be retightened or even how to open the machine.



    Any help would be very much appreciated, thanks.

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Had the same problem myself - another example of a product made to break!
Red Caboose has it spot on. Just a couple of points. The thread on the motor shaft is a 4mm machine screw. the shaft thickens a little bit below the thread (very short) forming a slight collar. I put a washer (slightly larger that the width of the blade) onto this, followed by the blade. You''ll then need a washer to sit into the blade to centre it on the shaft. Follow this with a cup washer (as Red Caboose) suggests or a locknut. Working perfectly now!

Posted on May 07, 2010

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The hub retaining the blade is screwed to the motor shaft. You have to remove the base (very difficult); it snaps into the body so you can get a screwdriver on the end of the motor shaft so you can loosen the hub. After that, find an assortment of washers that will center the blade and exert enough pressure to lock in on the motor shaft. A cup washer works the best.

Posted on Oct 29, 2009

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The solutions from andrumac and red caboose were very helpful (especially popping off the base, which does take some force). After trying to find the right combination of washers, etc, I finally decided to use JB weld (any epoxy should work) and epoxied the blade back to the little hub it was originally attached to. I'll find out tomorrow morning if this solution worked.

Posted on Jul 22, 2010

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May 05, 2013 | Krups 203-42 Electric Blades Grinder

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Krups 203 Blade Replacement Procedure


<span>Krups is among one of the foremost names in coffeemakers, espresso machines, blenders and toaster ovens. Krups also makes coffee bean grinders, such as the Krups 203a. This portable, plug-in grinder has a removable lid and bean grinder chamber. The blade on the Krups bean grinder is fastened to the bottom of the grinder chamber. You may need to replace the blade on your Krups 203. The Krups 203 comes with a limited 1-year warranty, but the company recommends you send your grinder to the company to make repairs. Order replacement parts for your grinder by calling the Krups customer service department at 1-800-526-5377.<br /><br />Unplug your Krups grinder from the wall.<br /><br />Remove the grinder's lid, and use a cloth to wipe out the inside of the grinder chamber.<br /><br />Put your safety gloves on and then grasp the blade of the grinder with your channel locks.<br /><br />Use the pliers to turn the plastic fastening nut to the left as you continue to hold the blade with the channel locks. Once the plastic nut comes loose, twist it off by hand and remove it, along with the plastic washer beneath it and the old blade.<br /><br />Set the new blade in place, and replace the washer and nut. You will have to hold the new blade in place with the channel locks as you tighten the securing nut. <br /><br />Things You'll Need<br /><br /> Cloth<br /> Safety gloves<br /> Channel locks<br /> Pliers<br /></span>

on Jun 02, 2011 | Krups 203-42 Electric Blades Grinder

1 Answer

My Mr. Coffee IDS59 coffee grinder suddenly stopped working. It is only a few months old. The blades turn freely when manually turned. Any helpful ideas?


Unfortunately this probably means that the AC Motor within the device has shorted out. These motors will still allow the blade/shaft to move even if a fault has occurred. It is unlikely, but possible that this particular model is built in such a way that a replaceable fuse is accessible to the operator. More then likely however the motor will have 'burnt' out and will no longer function no matter what you try.
Try to check the power cord for nicks and check that the outlet functions correctly. Lastly check that the power switch is properly operational. If all of this seems in working order then you are stuck with a non-functional device.

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See if you can turn the blades or reach a knife balde in to turn the blades....if something has jammed them.... get it removed... if they spin feely, then the motor is bad and replacement will probably cost more then a new one...

heatman101

Nov 30, 2010 | Krups 203-42 Electric Blades Grinder

1 Answer

Overloaded grinder no longer turns after puff of smoke!


the shear pin, which goes through the grinder blade base and the motor shaft has 'sheared' off the protect the motor from overload. The metal bits of the pin need to be removed from both the grinder part and the shaft, a new one inserted. It is a 'pressed fit', so it will be hard to remove.
After the bits are removed, a common 'roll pin' of the proper diameter should be a suitable replacement

Feb 04, 2010 | DeLonghi DCG39 Electric Blades Grinder

1 Answer

How do you open it up?


Hi
Remove bean hopper
Remove grounds hopper
Remove timer knob on the side
Turn the grinder upside down
There are 4 slits on the outside edge.
Insert a screw driver into the slot and pry gently outward with a
little downward pressure on the outside until the side slips a bit.
Repeat on all 4 slits and the shell should slide off.
There is a fuse on the side of the motor that will blow and stop the motor. It is a thermal fuse and should be replaced by a qualified tech.
The thermal fuse is to protect the motor its a 104C

Oct 17, 2009 | Solis Maestro Electric Burr Grinder

1 Answer

Blade is now loose, unconected to the rod or spindle.


I had this same problem. This is fixable if you are willing. I repaired mine because I am stubborn and I bought mine used and had no warranty. I found that if you pull out the bottom of the coffee grinder you can access the inside motor assembly. * Note, that the bottom is designed to pull out a couple inches and it acts as an electric cord caddy. You must carefully pry it all the way out. It is a good idea to put a pencil mark for reference on the bottom of the coffee grinder that lines up with the bottom lid piece you are removing because you must install the bottom lid in the same orientation in which you removed it. There is a slot where the electric cord sits in as well so pay attention as you pull it out. It is likely you will just have to yank the plastic bottom cover out. This will probably snap an internal lock tab off the bottom cover, as did happen with mine, but it still sat securely enough back inside after the repair was complete for my liking. After you fix your blade you can easily just glue the bottom cover on if you damage your lock tabs and then just do with out the cord caddy feature.(thats for little old ladies and neat freaks any way) Now that you have the bottom cover removed, Look at the motor spindle, it is in the center of the bottom of the motor. There is a slot in it. Use a screwdriver in this slot to keep it from spinning while you grab the hard plastic cone that sits on top of the grinder blade. Try putting your pliers down flush to the very bottom of the grinder before you grip the blade assembly, as it will minimize any gouging of the plastic cone on the top of the blade assembly. There are no flats on this cone so you cant use a socket or nut driver. Spin thescrew-driver counter- clockwise until the blade comes off. The blade assembly is threaded on to the motor spindle and it comes off easily. I had to lay my grinder on the floor and kneel on it to free my hands to remove the blade. So it can be done alone. Now that you have the blade off you will see that the blade has worked itself free and is just floating around in the threaded cone. Now you can either contact Bodum and demand a new blade assembly or you can repair the blade assembly as well. I cut off the plastic cone and was left with a threaded insert, I was able to configure nuts and washers and reattached the blade without the plastic cone material. It may not be as prettty but it will never break again! Like I said I am stubborn......

Oct 04, 2009 | Bodum C-Mill 5679 Electric Blades Grinder

1 Answer

Loose blade, motor still running blade not moving.


Its a fault with these machines. The blade is fixed on a plastic mounting (the black hemisphere you can see on top of the blade) and this seems to wear quite quickly. So the blade is not fixed to the shaft! To fix - you have to access the end of the motor shaft. To do this, pull the base out as far as it goes(15-20mm) insert a flat screwdriver into the barbed flaps on the central plastic shaft and push gently to release (not the easiest of jobs!) once released you should see the end of the motor shaft with a flat slot. Now, you can unscrew the capping nut holding the blade. I replaced the blade assembly with the following: First, 15mm OD washer with 4mm hole onto shaft. This should sit on the shaft at the bottom of the thread. Then the blade. You'll need a washer that sits into the hole in the blade to center it on the shaft. This washer needs to be slightly thinner that or the same thickness as the blade. Thesn another 15mm washer over this followed by a lock nut or cap nut to secure. This worked perfectly for me.

Oct 04, 2009 | Bodum 's C-MILL electric blade coffee...

2 Answers

Stuck Grinder Bowl


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.

Apr 14, 2008 | Cuisinart SS Grind Central, removable bowl...

1 Answer

Blade replacemen braun grinder


Insert a small standard screwdriver in the slot in the center of the bottom. Turn the blade slowly until you feel the screwdriver catch in the slot. This holds the motor still so you can simply unscrew the blade counter-clockwise. Do the same to hold the motor from turning while you screw the new blade on clockwise.

Dec 16, 2007 | Braun KSM 2 Electric Blades Grinder

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