DeWalt DW660 Bearings Replacement

Pull off the depth guide.

Hold down lock #1 to prevent the motor from spinning.

While holding lock #1, hold down lock #2 as well.

Rotate lock #2 counterclockwise to unscrew the collet nut.

Remove the collet nut and the collet from the device.

Unscrew the four 19mm T20 Torx screws on the motor shroud.

Carefully remove the shroud from the body.

Unscrew the four 19mm T20 Torx screws on the side of the back end of the DW660.

Take apart the back two halves.

Using two fingers, pull the black and white power wires from the motor to completely disconnect the back half of the device.

Lift the coiled spring from the back of the brush using a spudger.

While holding the spring out of the way, use a pointed spudger to slide the carbon brush up out of the guide.

Slowly release the brush spring. It will sit in the brush guide.

Repeat this step for the second brush.

Pull the rotor out of the front of the DW660.

Remove the snap ring from the bearing by using snap ring pliers.

Pull the black plastic bearing block off of the motor shaft.

Remove the ball bearing from the bearing block.

Remove the rubber cap from the bearing.

Use the bearing puller to remove the bearing from the shaft.