1- Opened the black compartment that accesses the electrical connections, where the power cord enters the machine.
2- Located the two brushes, which are inserted in rectangular tubes located at opposite ends of the rotor. One of the brushes was worn to the point where the wire that goes inside the carbon was exposed.
3- With
... Read moreneedle-nose pliers, disconnected the brushes.
4- With the pliers, lifted the springs that hold down the brushes. Removed the brushes from the tubes.
5- Inserted new brushes in tubes.
6- Reconnected the brushes exactly as the old ones, paying attention to the fact that one of the brushes has two wires to be connected, while the other brush has only one wire.
7- Closed the access compartment.
8- Ready to go back to work.
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In hammer dill mode motor would run at slow speed regardless of the power switch position
Gained access to the brushes, and disconnected them
Lifted out the brush springs and place the on the holder
Remove the old brush from the holders
Installed the new brushes in the holders
Connected the brush wires, and replaced the brush springs
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