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This guide shows how to remove and replace the motor that drives the roller brushes for the Karcher Rotary Floor Cleaner 17833080 2017.
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Lift the tank by the handle and remove it from the device.
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Press the yellow button near each wheel base to release the wheels.
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Remove both wheels from their sockets.
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Press the yellow foot switch at the base of the device to lower the suction bars.
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Raise the handle to the upright position.
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Engage the retaining bracket to lock the handle in place.
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Grasp the handle and carefully tilt the device onto its side.
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Tilt the top of the roller brush out of the brush well.
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Remove both roller brushes.
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Press the yellow button on the suction bar retaining bracket to release the suction bar.
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Remove both suction bars.
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Reassembly tip: When you re-insert the suction bars, be sure to orient the locking tab towards the center of the device. This allows the bars to click in place.
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Use a T20 driver to remove the three screws securing the pump cover.
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Squeeze the right plug by the edges and pull it out of its socket.
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Remove the following screws securing the left retaining bracket:
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Four T40 screws
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Two T20 screws
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Raise the handle to the upright position.
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Engage the retaining bracket to lock the handle in place.
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Use a T20 driver to remove the two screws securing the right splash guard.
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Use a T20 driver to remove the following screws securing the right retaining bracket:
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Two 85 mm-long screws
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Four 45 mm-long screws
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Lift the handle assembly away from the device and remove it.
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Disconnect the two remaining plugs by squeezing the edges and pulling them out of their sockets.
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Vacuum motor
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Pump
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Handle
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Use a T20 driver to remove the six screws securing the plastic brush housing.
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Lift the brush housing away from the device and remove it.
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Use a T20 driver to remove the two screws securing the socket board.
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Squeeze the edges of the drive motor plug and disconnect it from the extension plug.
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Free the motor wires from underneath the socket board.
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Use a T20 driver to remove the six bolts securing the gear case cover.
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Remove the following bolts from the gear case:
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Six T20 bolts
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One T30 bolt securing the ground wire
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Lift the motor end of the drive assembly up slightly to clear the mounting lip.
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Push the drive assembly out of its recess.
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Remove the drive assembly and stand it on the motor end.
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Use snap ring pliers to remove the retaining ring securing the motor axle.
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Use a T30 driver to remove the three bolts securing the gear case to the motor mount.
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Use a pry bar or flathead screwdriver to loosen the gear case from the motor mount.
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Lift the gear case away from the motor mount to remove it.
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The motor axle is keyed into the gearbox. Rotate the axle until it aligns with the gearbox slot.
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Align the gear case to the motor mount using the two alignment pins.
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Once everything is aligned, gently tap the gear case onto the motor mount.
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Use a large flathead screwdriver or pry bar to pry the blower wheel off the motor axle.
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Use a 1/2" (or 13 mm) socket to remove the four bolts securing the motor to its mount.
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Remove the motor mount from the motor.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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