How to repair an electric drill
Maintenance of armature windingArmature winding is a very important component in a torch drill, and its damage will cause the flashlight to not work properly. Common faults are short circuit and short circuit of armature winding.
The second type of fault is that the motor speed is slowing down. This is due to the severe wear and tear of the brush and should be replaced immediately.The third type of fault, the motor noise is too large, this is due to the brush or bearing wear, resulting in the brush and bearings have to be replaced.
The first kind of fault, the motor can not work normally, should open the drill body, check whether the power line or because the fuse burned off, if there is such a problem, should replace the fuse or power line immediately; there may be due to the armature winding or stator winding is damaged, it must be replaced or repaired and may be due to winding; bearing rust, rust treatment should be carried out for bearing grease or.
The motor faults are often shown as: electricity, motor response, lead drill does not work; or the motor is turning slowly, lead to the impact force of drill torch decreases, not working properly; in addition, the motor fault appears as motor working noise is too large, not drill tremor. These can cause the flashlight to produce the breakdown, affects its normal work.
