Makita DX02 Dust Extraction Unit for BHR243 Motor and Fan Wheel Repair
hainzy and one other contributor
Last updated on Oct 25, 2025
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Community-Contributed Guide
An awesome member of our community made this guide. It was not created by iFixit staff.
Introduction
Go to step 1 ↓In this guide, I'll show you how to replace the motor including the fan wheel.
This is necessary if:
- the motor is defective (no longer spins)
- the fan wheel is defective
The fan wheel has the number printed on it: 2401323
The original spare part number for the fan wheel and motor is: 141163-4
What you need
Parts
Tools
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Detaching the Unit from the Cordless Drill
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Remove the Dust Box
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if necessary, vacuum the dust out of the unit as much as possible at this point (optional)
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Remove the 8 housing screws with the Phillips screwdriver.
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Remove the motor and fan wheel bracket by lifting it upwards.
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if necessary, remove any remaining pieces of the fan wheel
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if necessary, this may need to be done together with the motor (following step)
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Pull the clamps off towards the back using the pliers.
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Take the motor out by lifting it upwards.
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When installing the new motor, pay attention to the polarity (plus/minus, red/black)! This is usually marked on the motor with a red dot.
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To reassemble your device, follow the steps in reverse order.
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