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DeWalt DW660 Motor Brushes Replacement

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The motor inside the DW660 uses two carbon brushes which transfer electricity to the rotor by sliding over the copper commutator. The brushes wear out over time with regular use, so they will eventually need to be replaced.

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  1. DeWalt DW660 Motor Brushes Replacement, Motor Brushes: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 DeWalt DW660 Motor Brushes Replacement, Motor Brushes: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the four 19mm T20 Torx screws at the rear of the device.

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  2. DeWalt DW660 Motor Brushes Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 DeWalt DW660 Motor Brushes Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 DeWalt DW660 Motor Brushes Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the other part of the back casing.

    • Unplug the black and white power wires from the motor.

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  4. DeWalt DW660 Motor Brushes Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 DeWalt DW660 Motor Brushes Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Pinch the blue brush wire between two fingers.

    • Pull on the wire, removing them from the motor.

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  5. DeWalt DW660 Motor Brushes Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 DeWalt DW660 Motor Brushes Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Using the metal spudger, lift up the coil spring that holds the carbon brushes in place.

    • While the spring is lifted up, remove the carbon brush by simply sliding it out of the slot.

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  6. DeWalt DW660 Motor Brushes Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 DeWalt DW660 Motor Brushes Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Repeat steps 3 and 4 to remove the other carbon brush.

    • When installing the new carbon brushes, make sure each brushes' lead wire is plugged into opposite ends of the motor.

    • Refer to the photos for visual assistance.

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To reassemble your device, follow these instructions in reverse order.

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Joseph Pacitto

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UMASSD-ISAACSON-S16S2G7

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