Question about Krups KB7207 4 Speed Blender
My Krups blender stopped working and I am wondering if it's a fuse or something. I bought it new a couple years ago and it always seemed to have a burning hot smell when it ran. For much longer than the typical "new" smell for electronics lasts... I can't find a small appliance repair place anywhere and my husband asked, "Do people still repair those?" I'm beginning to think gone are the days and am contemplating letting him tear into it even though it was really expensive. What do I have to lose? lol
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Posted on Jan 02, 2017
SOURCE: Krups blender drive gear
The problem I had was removing the grey rubber drive. The solution is that it screws off not pops off. The trick is to use narrow needle nose pliers to grab the post that attaches to the motor and turn the rubber drive counter clockwise. Removing the motor becomes easy. Pull out the 4 rubber feet under the base and the screws will be exposed. However my situation was the grey drive gear was stripped and would bottom out. My solution was to use a same size lock washer as the washer between the post and the drive. So far so good! If it fails I will need to buy another grey drive. Myron
Posted on Feb 01, 2009
Repairing the blender:
My guess: You worked the motor too hard on your last blending session and it overheated. That will cause a thermal fuse inside to cut off. The blender won't work again until you replace the fuse but otherwise it should be fine. The fuse looks like a white diode and it will be attached tightly to the motor with a nylon strap (so that it can pick up the heat of the motor). The leads to the fuse are shielded with heat resistant nylon wrap. You will need to remove the rubber drive gear in order to remove the plastic house so you can work, although if you are really handy you might be able to at least test the unit by only removing the plastic bottom on the base unit.
To remove the plastic housing, remove the little rubber feet and then remove all of the screws on the bottom of the unit. You may need to buy a bit set for tamper resistant screws (I ***hate*** those), I don't remember. When the bottom is removed, you will see that the there is a screw head on the bottom of the central motor shaft. You can use a screw driver here to hold the motor from turning, then you can carefully use a pliers to unscrew the rubber drive gear on the top of the base unit (try not to damage the rubber). With the gear removed you can get access to the wires.
To test the fuse unit, just check its continuity. Short=good, open=bad. To further test, short out the fuse with a jumper cable and your blender should work.
EPO (Electronics Parts Outlet) in Houston, TX, has the replacement fuse unit. I don't know that they like mail order.
Posted on Feb 03, 2009
I carved off the rubber with a knife; inserted a flathead screwdriver throught the slot in the bottom to hold the gear in place; using pliers I unscrewed (COUNTERCLOCKWISE) the rubber gear.
Posted on Mar 28, 2009
The body of the blender is held together by three cross head screws two at the base which are clearly visable and a third which is concealed by the pulse on/off switch which you need to prise off to reveal - small spring to rear to catch! Our blender went totally dead due to a blown internal fuse which I have now replaced and hey presto we are back in action.
Posted on Feb 08, 2011
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