Question about Cuisinart SMO-56 Smooth Operator 2 Speed Blender

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How to separate the blender from it's base

If I screw the blender glass into the base well enough to not leak, when I'm done blending, I can't separate it to clean it. Is there a trick to this? I'm not a weakling either.

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Make sure the gasket is fully seated and not uneven before you re-assemble the base and blade unit.

Posted on Apr 19, 2010

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My Blender has overheated. What happens now?

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Blenders can be tricky, they overheat or will not start.
What is worth noticing and try to do is to be careful that all "marks" on the base,the screw thing, the glass and the top are all in line.
If the blender does not start after you have done this try to move the blender one "hack" to the left. Mine usually obeys to these manouvers.

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Blender glass jar is leaking at base

It will either be the rubber gasket (it goes between the glass jar and the blade assy) or it could be a worn bearing/bush around the chopping blade shaft. Replace either the gasket or the blade assy.

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Leaks from the bottom of the glass jar. Bought a new gasket and it is worse than ever.

Are you sure you are installing the gasket correctly?

Leaks are usually the result of a misaligned or cross-threaded blender jar base or from the gasket being installed incorrectly. Make sure the gasket is installed between the blade assembly and the screw on base.

If this does not help, please reply or repost.

Dec 07, 2012 | KitchenAid 5-speed Blender With Glass...

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Quick Prep fell and popped into two pieces. I have the key match for the two haves but am unable to get the slots from the mixer end to slide into then male ends on the base end. Is there a way to...

There are two phillip head screws holding the blender end together where it came apart. They are hidden under plugs on either side of the imprinted information. Simply drill a hole in each plug and remove them by putting something in the hole (small screwdriver) and pulling them out. Loosen the screws, enough to pull the body apart far enough to insert the blender end back in. Make sure you line up the drive pieces and the logo goes on the side with the switch.Tighten the screws back up and your good to go. I left the plugs out, they don,t serve any purpose.

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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

2 Answers

Waring Pro Blender is leaking and blade assembly is loose

I know this is an old, old post, but I could not find a solution anywhere, so hopefully this will help someone. We have a model 51BL25, similar to scottman55's blender, and it had the same problem. There are two separate nuts in the blade assembly. One holds the blade on, and the other holds the seal tight. When the latter gets loose, the blender shakes and leaks.
To fix it, first you have to remove the top nut holding the blade on. I had to get in there with pliers, but a ratchet with an extension would be perfect. This nut is right-handed ("normal"). Once that nut is loose, you can remove the nut and the blade. You will also want to remove the washer immediately under the blade (take note of which side goes up).
Now, you can pull the whole axle out by the wheel on bottom of the blender. This exposes a really thin, flat nut. In my case, this nut had come completely off, so nothing was really holding the seal together at all. Again, make sure you remember which direction the nut goes -- it is not quite symmetrical. That nut is what comes loose when the blender starts leaking. By the way, it is a left-handed nut, so it screws on counter-clockwise ("backwards"). Screw it in tight, then put the rest of the blade assembly back together, and your done. If you have the right tools, it should take only maybe 5 minutes.
Depending on your problem/model, this may or may not solve your problem. Hope it helps!

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1 Answer

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plz cont -- 23051554 \ 23095757

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I just figured it out. The key is you need to think in terms of keeping the blades and the large washers separate. Here's what you do.
Thread the blade through the glass and use the white rubber gaskets against the glass and the stainless gaskets against the hardware. Then tighten the whole enchilada to the blender with the main nut (that goes on the bottom outside of the blender). Then once that's nice and tight tighten the flange that catches the blender teeth to the remaining portion of the protruding threads. Make sure you use the copper colored gasket first then the stainless washer then the stainless flange. Tighten that real good and you should be good to go.
To check if you've done it right spin the flange. If the blades spin independent of everything else you're good to blend away!

Feb 23, 2008 | Blenders

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