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Look for the black screw covers near the top of the brush. Take the covers off with flat head screw driver.
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Use a Phillips #1 screwdriver to remove the screws that secure the brush head.
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Take out the black gear by pulling up.
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Use flat head screwdriver to pop off the bottom air filter.
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Gently use a flat head screw driver to take of the black cover, covering the plastic shell.
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Using your flat head screwdriver to go along the seams of the plastic shell till the shell pops apart.
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Then take the switch cover and buttons off.
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Then take your Philips screw driver (ph1 size head) and unscrew the circuit board. The screw is located in the middle of the board.
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Remove the black heater cover by sliding it off.
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Desolder each of the four connections, and remove the circuit board.
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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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