Question about Oster Blenders
I have an Oster model 449 2 speed blender. the rubber drive coupler broke. How do I get the bottom piece off the motor shaft? Is it threaded or pressed? How can I lock the shaft so it will unscrew or pull off? It may be sort of corroded on..
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Posted on Jan 02, 2017
SOURCE: 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!
Posted on Jan 20, 2008
SOURCE: Oster 6700 Blender
The only thing I can think of is to try to repair the separated rubber with one of the special adhesives.
This may not be physically, ie, damaged beyond repair, but if you think it might be repairable try something like JB Weld. They make an adhesive that sets up in 4 minutes. I have fixed some weird breaks with this stuff.
Hope this might help Good Luck Loring
Posted on Oct 25, 2008
SOURCE: replacing rubber drive coupling
I just replaced my rubber coupling / drive shaft. I had trouble getting inside my beehive blender. The trick was 1/4 socket screws inside of the feet of the base. Once those screws and feet are off, the cover came off of the bottom, exposing the motor.
The rubber coupling unscrews from the motor. If you still have something to grip on the coupling, you can do this with the motor in place. Just hold on to the metal fan blades on the bottom (or the nut in the middle of the fan) and the coupling on the top and unscrew. If you can't grip the coupling from the outside because it broke off, you may have to take out the motor to reach it. I expect it's possible, though, everything seemed to be put together with 1/4" nuts or philips screws.
Posted on Nov 21, 2008
I don't know if this will help or if this is what you are looking for. But today I was searching the web for the bottom piece that fits on the jar and saw this website has a lot of replacement parts for Oster blenders. Hope this is what you're looking for.
Posted on Dec 27, 2008
Yes, it is very easy to fix. You will need a new coupler, which is part number 9704230. There is a set of instructions with video here: http://www.kaparts.co.uk/Howtoremoveablendercoupler/tabid/219/Default.aspx
Posted on Feb 13, 2010
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