Question about Waring PBB 25 Professional Work Top Blender

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Stopped blending blade moves independently from the metal ring on bottom, therefore will not blend. How do I tighten enough or is replacement necessary? When I tighten it, the blender will work for maybe one more task.

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Exact same problem.  Turned out the threaded shaft that holds the blades was broken so tightening the nut on the top doesn't really help.  Just ordered a new blade assembly from  Mine was the Waring 007314W Blender Cutting Assembly but there is also an older one for earlier models.  Don't know if it will work yet (assume it will), but cheaper than buying a new blender.

Posted on Dec 16, 2007


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Posted on Jan 02, 2017


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Leaks at the bottom of the glass holder

I'm no expert but in my experience if it leaking at the bottom then either the jar /carafe has a few chips or cracks around the hole in the bottom that the blade fits through and in that case you need to replace the jar and your blade assembly may still be good and can be moved to a new jar/carafe. Or the blade assembly has come loose a little and need to be tightened or some the washers (usually the rubber ones) have worn out and need to be replaced. There's plenty of explanation here at amazon and else where on how to replace the assembly blade, move it to a new jar and tighten it down, etc. Hope this helps!

Sep 26, 2013 | Waring Blenders


Failure of grinding, blending, or mixing kitchen appliances

Generally, a blade or grinding or blending/mixing part that is permanently attached to a metal shaft from the appliance motor is held on that shaft by a 'shear pin'. This pin breaks when something is put in the appliance that the grinder, mixer, blender can't gring, mix, or blend. This is to protect the motor from overload. Afterwards, The motor will continue to turn, but the blade or paddle, or whatever will not turn.
The shear pin needs to be replaced.
The shear pin passes through one side of the base of the bade/grinder/paddle assembly, through the motor shaft, and out the other side of the blade/grinder/paddle.
The piece of the pin must be removed from the shaft, and from the two sides of the blending/grinding part. This is generally a press-fit, and some effort may be required to accomplish this.
When the pieces have been removed, a common 'roll pin' of the appropriate diameter should be inserted to hol the turning part on the shaft. It must fit tightly, and some effort should be required to insert the new pin.

on Feb 07, 2010 | Blenders

1 Answer

Blender jar leaks

Check the blade assembly if it is loose tighten it up. If it is worn out or cannot be tightened up then buy another jug complete with blade. If it is the glass jug model then the blade assembly is available without the jug and they also have a replaceable seal at the base.

Aug 11, 2013 | KitchenAid KSB580CR - 5 Speed Blender...

2 Answers

When I use the blender it is difficult to get it tight enough on the bottom so that the liquid does not pour out from the bottom. The ring is not cracked. I have had this problem for a long time and it...

Try tightening the ring by (unplugged), align and tighten the base ring, rubber touching glass, then the blade plate assembly, then the ring....Then place on the machine, press down and tighten more...

I find that you cannot sometimes get enough tighening by hand, due to the dimention of the ring and the human hand...

Oct 27, 2010 | Back to Basics Smoothie Elite Work Top...

1 Answer

My jugs are leaking too at the bottom. If anybody finds the replacement jugs somewhere please let me know. I have a double smoothie maker model 5787. Thanks! email me at

My blender would do that if I didn't screw the jar on firmly enough. Sometimes the action of the blades will even loosen the bottom from the jar during blending, so I always hold the jar handle while the blending is going on. That way if it starts to undo, I can twist it back tight. Before I learned that trick I had smoothies leaking out the bottom - what a mess! Also make sure you put the gasket/seal on in the right order. If it's in the wrong place it won't seal correctly.

Sep 06, 2009 | Blenders

1 Answer

When trying to blend things like frozen fruit or frozen yogurt with the Vitamix, the blade stops moving, but the motor continues running. Even if there's only enough frozen yogurt to cover the blades, it...

Frozen elements are generally not recommended for blenders of any brand. They may cause the blade assembly to stop moving completely, or to "bog down," and this may eventually damage the motor. It is recommended that frozen fruits and/or yogurt be thawed when possible before placing into a blender. If this is not a possibility for you, I would use a "pulse" or "chop ice" function to rapidly spin the blades for just a moment. This will chop the contents in smaller, more manageable parts. This should be done before adding other liquid ingredients.

Jul 09, 2009 | Vitamix Blenders

1 Answer

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.

Jun 06, 2009 | KitchenAid KHB300 Handheld Blender

1 Answer


sounds like you engage gogs under you canister are slipping or wore out lift up your canister to check them. not sure if your particular model has set screws in them or not look and see might be it hope this helps

Sep 01, 2008 | KitchenAid KSB5 Professional Stainless...

2 Answers

Durabrand blender model number tsk-9368ap

You just bought a bad blender. Get a different model

Jul 10, 2008 | Blenders

1 Answer

I have the tsk-9368ap blender model. Before I blend, I lock the blade in place on the bottom, while I am blending the blade comes loose, and whatever I am blending starts coming out of the bottom, I'm not...

kalexis - there is no such thing as support for the Durabrand TSK-9368AP - Wal-Mart decided that the products were so cheap that people would buy a new one if it broke. What I would do is take your blender into an Ace or True Value Hardware store, and have someone find a generic gasket that will fit your blender.

sheens1953 - the seal/gasket for the Smoothie Maker Elite can be found here:

-Tha Mp3 Doctor

Jul 10, 2008 | Back to Basics Smoothie Elite Work Top...

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