Electrical Projects Blenders are in wide use not only in kitchens, but in cocktail lounges, health-food stores, and even in biology laboratories! They are used wherever a quick and easy method of mixing, blending, or processing solids or liquids is desired. Most have at least two speeds, and some have timers built in as well.


To disassemble, begin with the container base. Bend the tabs on the lockwasher and turn the nut clockwise to remove. The drive shaft has left-hand thread. Next, remove the cutter blades and the drive shaft with top coupling. The bearing used in the metal base is part of the base assembly. The bearing used in the plastic base is secured by the nut under the base and can be replaced. Both bearings are self-lubricating. Check the bearing, the drive shaft, and couplings for wear.

The housing comes apart next. To remove the bottom coupling, insert a Phillips screwdriver in the tooth of the coupling. A sharp blow with a mallet on the shank of the screwdriver will loosen the coupling without damage to the blender. Note the spacer located under the coupling.

The motor can be disassembled by removing the brush holders and motor brushes, then pry out the exhaust deflector, which is secured with a caulking compound.




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August 20, 2008