Introduction
A faulty motor rotor can cause sparking and other serious issues with the saw. This is a guide to replace the motor rotor. Although it is an intensive project, it is doable and all you need are a Torx T20 screwdriver, a Torx T50 screwdriver, and a flathead screwdriver.
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Place down the Worm Drive Saw on a sturdy surface.
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The motor brush cap is located on the side of the main housing assembly, it can be identified as a large black plastic cap with a slit running down its surface.
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With the cap removed, the motor brush should now be accessible.
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Carefully remove the motor brush by sliding it out of the main housing assembly.
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Maneuver the RIDGID saw, in order to easily remove the upper blade guard assembly.
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Using the T20 Torx Screwdriver, remove the four 4/10 cm screws that attach to the gear box.
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Using the T20 Torx Screwdriver, remove the two 4/10 cm screws that attach to the handle of the device.
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Maneuver the saw to get to the base plate.
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Using the T20 Torx Screwdriver, remove the two 4/10 cm screws that attach the upper blade guard’s base plate to the main housing assembly.
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Using the T20 Torx Screwdriver, remove the four 10 cm screws that attaches the main housing assembly to the gear box.
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Wiggle out the gear box to easily gain access to the motor rotor.
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Once taken out, the motor rotor is easily accessible.
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The motor rotor is lodged in between the armature and can be identified as a rod containing a fan blade.
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Carefully remove the motor rotor from the device.
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To reassemble your device, follow these instructions in reverse order.
