7. Check the slip rings for wear, grind and polish them if necessary - contact the service station specialists.
8. Clean contact surfaces and check spring stiffness, replace if necessary.
9. Insert the new brushes with springs into the brush holder (see resist. illustration) and solder electrical wires.
11.9. Installing the brushes (A) into the brush holder (WITH): B. Brush springs
Note: When soldering, the brushes must be held by the wires with pliers to avoid solder directly on the brushes, otherwise they become hard and unusable.
10. Install the voltage regulator and secure it.
11. After installation, check the ease of movement of the brushes in the brush holder.
12. Further installation is carried out in the reverse order of removal.
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