To replace the motor, remove the two screws holding the transmission to the motor on the side of the transmission where all of the housing screws are facing upwards on the case, that secure the case to the housing. Put the end cap back on and test the drill.Īn electric motor is an electrical machine that converts electrical energy into mechanical energy.
Reinstall the cover on the housing and reattach the two screws securing the transmission to the drill. Tighten the motor back in the housing with the hold-down bracket. Insert back in the housing and then reinstall the spade connectors. Check for wear, weak springs, heavy dirt build-up and replace as needed. Remove the hold-down bracket on the motor to access the second brush. One brush will be in the cover and the other under the motor. On some drills, you will have to remove the case on the housing and remove the two screws securing the transmission to the drill on the same side the cover is located on. Insert a small screwdriver in the access hole, close to the center of the housing, and gently pry out the brush. Locate the spade connectors and remove them with pliers. Remove the screws on the end cap and pull off the drill. To check the condition and replace these brushes, if needed, start by removing the battery.
If these brushes become damaged in any way, it can impact their ability to provide the electrical current. The brushes provide the electrical current to the armature by riding on the commutator.
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