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Broken blender coupling on the base of my BL3900 Blender

The blender coupling on the base of my BL3900 blender cracked. I need to find a new blender coupling for this blender.

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  • 2 Answers

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Posted on Jan 02, 2017

  • 116 Answers

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

  • 274 Answers

SOURCE: blender base won't unlock

Try calling B&D at 1-800-544-6986 There might be a recall also.

Posted on Jul 15, 2007

  • 1 Answer

SOURCE: Black & Decker BL1900

I had to call Black and Decker directly 800-231-9786 to order the part (called the "collar"). It was $14.95 w/ shipping and handling!! Seems pretty steep for a piece of plastic.

Posted on May 29, 2008

SOURCE: Blender base gear knobs broke off

http://www.fixya.com/support/t509590-kitchenaid_ks85_coupling_drive

Reports the same problem and a couple of solutions.

Posted on Sep 26, 2008

  • 2 Answers

SOURCE: New part for VillaWare blender

MANUFACTURER WEB SITE IN MALAYSIA I HAVE ASKED THEM IF I CAN BUY SOME I WILL LET YOU KNOW IF THE PRICE IS NOT TO EXPENSIVE

http://www.alibaba.com/product-free/100075597/Villaware_Moderno_Pro_Infinity.html

Posted on Nov 22, 2008

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2 Answers

The plastic base the blades are fitted in ,cracked need to order replacement


the part is Black and Decker Blender Base Collar Ring BL5000-11
However these are prone to cracking. I ordered a second after my first cracked, and the second one cracked after just a couple uses.

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Replace the part. Repair of the broken part is impossible to make reliably.

Replacement will take a bit of disassembly.

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Need white base that blade sits on.


I'm going to super glue the crack that is causing mine to leak.

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Broken glass jug on kitchenaid blender model 5ksb2aer4


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.

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Leaking blender


It could be the gasket, could definitely be that crack in the collar, and even possibly the blade assembly - here is the official website to get all of those parts:
http://www.focuselectrics.com/catalog.cfm?dest=itempg&itemid=4154&linkon=subsection&linkid=112&secid=53

-Tha Mp3 Doctor

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Black and Decker BL3900 stopped working


I had the same problem with BL6000 model. After using the blender few times it went dead, though on occasions it ran for a couple of seconds or so. I opened the base and saw the red light come on and off in response to pressing the buttons, but the blender would not run. I checked the connections and resistances across various points, and then decided to bypass the digital control panel by joining the blue (AC) and black (motor) wire terminals, as the control panel must be altering the frequency or voltage going across this connection into the field coils (and also to rotor). The motor is rated at 120V. The motor ran perfectly, though i let it run only briefly, confirming that it itself is all right. I think one must check a step further by studying the current and voltage characteristics to ensure that the motor does not consume more than rated 550 watts if you do not wish to buy the digital control panel ( part number BL5000-01-01, available through partstore.com or black and decker partner site. It should fit BL6000 as per partstore.com). The motor seems like an univeral motor. If anyone knows more about motors and has the same problem, then pl let me know if bypassing the digital control panel and using an external switch to shut the motor on and off is a good idea (digital panel and shipping will buy an equivalent blender in stores, about $18). I am afraid that if digital control panel does not let unregulated power be delivered to the field (and rotor) coils, then one may be putting too much power into the motor and it may burn out prematurely.

Oct 15, 2008 | Black & Decker BL5000 ProBlend Work Top...

1 Answer

The blender coupling on my oster snapped in half. I have the replacement part already I just cannot figure out how to get the broken coupling off the base of the motor. I also got a replacement square...


10-01-2009 Sara - see solution for rlaymon 1-9-08 "Top part of base broke off" by TanyaCS on 1-20-08 - good ideas. I just fixed mine - 2 hour job + half hour to put a new cord in. Like TanyaCS my broken coupling was rusted to shaft - used WD-40 twice and let sit - meanwhile took out motor and removed fan - kept screws and washers in order on workbench (kitchen counter) - the fan hole is "D" shaped - fan end of shaft also "D" shaped - I filed a "flat" on the other side of the factory "flat" (side of 'D' that is straight) - Used big pliers on broken coupling and adjustable wrench on on the "flats" on fan end of the shaft. Broken end came right off. New cord is 18 gauge extension cord capable of at least 6 amps. Cut off the un-needed end. Or order a replacement cord $4 when you order the rubber drive coupling $4, pin with slinger washer $3. Bet you also need new rubber feet - didn't buy for mine - wish I had. Bert

Jul 11, 2008 | Oster 465 Work Top Blender

1 Answer

Top part of base broke off


This just happened to me too, and I think I just fixed it.  First you have to get a replacement part called the "blender coupling" (I got mine online from Goodmans for $3.99).  I also replaced the square drive and slinger (two parts come together for $2.99)-that's the little part that sticks up and attaches to the pitcher.
Unscrew the bottom four screws of the base where the rubber feet are.  Remove the rubber skirt to reveal four screws that hold the motor in.  They are way in there so you'll need a long screw driver.  Remove the motor and unscrew the old coupling.  Mine had not been replaced since my grandmother bought this blender who knows when, so the coupling was really stuck.  I did not have a tool narrow enough to get a good grip to apply enough torque to remove the coupling so I had to try a few other tricks.  If your blender is the same, remove the bottom nut, fan blade and two washers.  This gave enough of a rod to grip to get the old coupling off.  (I also had to use some WD40, and heat and cool the coupling a few times to break the old seal).
Good luck!  Hope that helps!

Jan 09, 2008 | Oster 465 Work Top Blender

2 Answers

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.

Feb 14, 2007 | Cuisinart BFP-703 Blender

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