Question about KitchenAid Blenders
I have a KitchenAid KSB5WW4 Blender and I need to replace the rubber/plastic coupling part that turns the chopping blades. How do I take the part off and replace it?
Someone else suggested a link that explains exactly how to unthread the old coupling... and it works. It took me about 90 seconds to fix my blender. But in case that link is dead, here's a summary:
(1) Note that the coupling (the round part with teeth) is threaded to the blender motor in reverse to a standard threading. So it screws off just like a bottle top, but in a clockwise direction.
(2) place the blender base on a tabletop, facing you. You should probably unplug it.
(3) take a punch or a flathead screwdriver, and place it against one of the coupling teeth that is furtherest away from you.
(4) strike the back of the screwdriver with a small hammer or maillot. The result will spin coupling clockwise. It may take several tries, but the coupling will eventually spin clockwise faster than the motor, and it will begin to unthread.
(5) unscrew the old coupling, and screw the new coupling into place (counterclockwise). Note that the new coupling will tighten itself every time you use your blender, so no need to worry about tightening it too much.
(6) Make a smoothie to celebrate your success!
Posted on Nov 10, 2007
SOURCE: Broken gear on BFP-703 base
The drive is replacable and available from Cuisinart, you will have to sign a waver to get the part. the drive is screwed onto the motor shaft with reverse threads. the plastic drive will have to be completely broken off of the unit to expose a brass"nut" which was internal to the drive. depending upon your model you may have to remove the lower half of the base unit to access the lower part of the motor shaft. there will be a slot in the end of the shaft for a large flat blade screwdriver. this is used to hold the shaft still while turning the drive "nut" with a vice grip pliar or similar. the new drive is just threaded onto the shaft and normal operation tightens it.
Posted on Mar 11, 2007
You will definitely need to change the clutch blade i.e. the black rubber rotating bit. Chaging it on the base unit may be difficult, I would check with your local Kitcheaid repairer for spare parts and repair advice.
Also check the clutch blade on the jug itself.
Posted on Apr 07, 2009
Look at the underside of the blade shaft. The metal wing nut on the end of the shaft secures the blade assembly to cream coloured plastic blade base. The wing nut also transmits the drive from the rubber coupling on your blender to the blade shaft. The wing nut has a LEFT HAND thread.
The left hand thread ensures the blade assembly does not unscrew during normal blender use.
Firstly disassemble the blender blade assembly. Place a folded tea towel over the blades and hold the blades firmly. If you do not use a tea towel you may cut yourself.
Grip the wing nut with your other hand and unscrew it CLOCKWISE.
Remove the wing nut. You can now remove the blade from the plastic base.
Put the blade assembly in the new jug and offer up the plastic base from under the jug so that the blade shaft protudes enough for you to install the wing nut.
Screw the wing nut ANTI-CLOCKWISE to secure the blades to the plastic base.
Do not over tighten the wing nut; you may have to replace your jug again at some point.
Posted on Jul 21, 2009
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