Contents: Removal ↓ Installation ↓
Depending on the design, generators from different companies can be installed on the car. In generators from BOSCH and VALEO, it is possible to remove the brushes without dismantling the generator.
Removal
Disconnect the battery ground (-) cable.
BOSCH voltage regulator
Relay-regulator VALEO
Unscrew the voltage regulator relay (arrow) from the back of the generator and carefully remove it.
Relay-regulator VALEO
If the length of the brushes is 5 mm or less, replace the brushes. To do this, unsolder the cores of the connecting wires.
Check the contact rings for wear, and if necessary, finely grind and polish.
Clean the contact surfaces, check the tension of the contact springs, replace the springs if necessary.
Installation
Insert brushes "A" and springs "B" into brush holder "C" and solder the connecting wires.
To prevent the solder from rising up the soldered wire when soldering a new brush, it must be grasped with tweezers.
Caution: If the solder spreads along the wire, it will become hard and the brush will be unusable.
The insulating sleeve of the core must be secured near the soldering point with the existing eye.
After installing new brushes, check that they move easily in the brush holder.
First, tighten the voltage regulator by hand with one screw, then carefully press it into the final position and tighten both screws.
Connect the battery ground wire.
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