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Use this guide to replace the motor in a Clarke Floor Sander 07163A 2012.
This guide shows the removal of one motor, but the process is the same for any of the other motors.
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Carefully tilt the sander back and lay it down on its side, exposing the three sanding pads on the bottom.
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Peel the hook-and-loop sandpaper disc off of the driver assembly.
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Use a 3 mm hex key or driver bit to remove the six 11.9 mm-long screws securing the driver pad.
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Remove the driver pad from the sanding disc.
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Use a flathead screwdriver to pry off and remove the rubber plug in the center of the sanding disc.
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Slide a thin 22 mm wrench underneath the sanding disc and clasp it onto the flat part of the motor driveshaft to keep the driveshaft from turning.
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Use an 11 mm socket and socket wrench to remove the 16.5 mm-long bolt securing the sanding disc to the motor driveshaft.
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Apply counter torque to the driveshaft wrench as you loosen the bolt to keep the sanding disc from spinning.
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Take two pry bars and insert them underneath the sanding disc as close to the driveshaft as possible.
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Apply pressure to the pry bars in opposite directions to carefully pry the sanding disc off of the driveshaft.
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Remove the sanding disc from the floor sander.
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Repeat the previous seven steps to remove the other two sanding discs before continuing.
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With all three sanding discs removed, use a 4 mm hex key to remove four 25.4 mm-long screws securing the bottom cover and bottom weight.
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Lift the bottom weight away from the sander.
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Pull the top edge of the bottom cover away from the sander until you have enough space to slide the cover out.
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Slide the cover across the bottom of the sander, away from the wheels, and remove it.
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Remove the washer from the motor shaft.
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Pull the drive pad bearing straight off of the motor shaft.
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You may not be able to remove the bearing with your hands. If this is the case, use a bearing puller to remove the bearing.
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Using snap ring pliers, pry the snap ring open and slide it off of the motor shaft.
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Remove the snap ring.
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Slide the dust fan straight off of the motor shaft.
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Using snap ring pliers, pry the snap ring open and slide it off of the motor shaft.
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Remove the snap ring.
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Use an 11 mm socket to remove the four 22.8 mm-long screws securing the motor.
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Lift the top of the latch securing the handle assembly to the sander and push it back against the sander.
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Make sure the hook on the latch is clear of the small metal tab on the sander.
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Repeat this step for all three latches securing the handle assembly.
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Remove the handle assembly from the sander.
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Lift the dust bag straight up to remove it from the sander.
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Use a Phillips #2 driver to remove three 22.1 mm-long screws securing the motor cover to the sander. There is one screw on each side of the sander.
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Use a 7/32" hex key to remove three 23.7 mm-long hex screws securing the motors to the motor cover.
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Lift the motor cover straight up and remove it.
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Find the two wires that connect the motor you're replacing to the motor power hub that sits in between all the motors.
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Pull the two wires straight out of their sockets to disconnect them.
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Lift the motor straight up and remove it from the sander.
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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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