The speed (1-2) Switch is either stuck or won't change speed of rotation.


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  1. Remove the backplate.
    • Remove the backplate.

    • Using a Torx T20 screwdriver, remove the four screws attaching the back plate.

  2. Remove the drill handle.
    • Remove the drill handle.

    • Using the Phillips #2 screwdriver, remove the five screws attaching the drill handle to the body.

    • Remove the gear casing from the body.

    • Using the Philips #2 screwdriver, remove the four screws attaching the gear casing to the body.

    • Locate small metal bar above plastic part of drill.

    • Attempt to move bar back and forth. If it wont move, try to move it while rotating the chuck. If it still will not move, there is a problem with the gears. For help see the Planetary Gear Replacement Guide

    • If the bar moves, next check the small plastic switch that is numbered 1 and 2.

    • Make sure the small tabs on the underside of the switch that move the bar are intact.

    • Replace switch as needed.


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

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Evan Long

Mitglied seit 15.04.2010

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Cal Poly, Team 15-48, Garner Spring 2010 Mitglied von Cal Poly, Team 15-48, Garner Spring 2010


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