(1) Remove the connecting wires in the motor junction box.
(2) Remove the bolts of the ventilation window on the end cover (rear end cover) of the commutator, open the ventilation window, take out the brush from the brush grip, and remove the connecting wire connected to the brush rod.
(3) Remove the bolts of the end cover of the commutator and the bolts of the bearing cover, and remove the outer cover of the bearing.
(4) Remove the end cover of the commutator. When disassembled, pad soft materials such as wooden boards under the end cover to avoid cracking when the end cover falls, and use a hand hammer to pass the copper rod along the four periphery of the end cover and evenly knock it.
(5) Remove the bolts of the end cover (front end cover) of the shaft extension, carefully pull out the armature together with the end cover from the stator, be careful not to touch the armature winding, commutator and magnetic pole winding, and wrap the commutator with thick paper or cloth and tie it tightly with a rope.
(6) Remove the bearing cover bolt on the front end cover and remove the bearing cover.
(7) Place the armature, including the front end cover, on a wooden frame or board, and wrap it in paper or cloth.
The device after the maintenance or repair of the DC motor is opposite to the dismantling order, and the orientation of the brush should be corrected according to the symbol.
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