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  Belt-drive food processors have the blade at one side of the motor. (click to enlarge)

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A food processor is an appliance that mixes dough and chops, slices, dices, and liquefies food. It has a larger capacity and a larger motor than either a blender or a mixer and can replace both smaller appliances.
There are two types of food processors: direct drive and belt drive. A direct-drive food processor is similar to a food blender, with the motor underneath the food bowl. A belt-drive food processor places the bowl and motor side by side, connecting the two with a drive belt and wheels.
Disassemble a food processor:
- Remove the control knob and remove any screws that hold the body together.
- Remove plugs as needed to disconnect the circuit board from the electrical source. Remove other components that restrict access to the internal parts.
- Turn the processor upside down and remove the base. In some cases you'll first need to pry off some feet.
- Remove the drive belt and/or the drive gear.
- Remove and test the motor. Typically, this means disconnecting the cord and removing any motor mounting screws.
Service a gear:
- Remove the processor's housing and components as needed to access the gears.
- Clean the gears with a toothbrush and inspect them for wear or damage.
- Replace any damaged gears. If the gears are in good condition, lubricate them and reassemble.
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