BMW 3 series E30

Since 1983-1994 of release

Repair and car operation



BMW E30
+ 1. The maintenance instruction
+ 2. Maintenance service
- 3. The engine
   + 3.1.2. Specifications
   + 3.2. Dismantle and engine major repairs
   - 3.3. An engine electric equipment
      3.3.2. Specifications
      3.3.3. The battery - engine start-up in emergency situations
      3.3.4. Removal and battery installation
      3.3.5. Power cables
      + 3.3.6. Ignition system
      + 3.3.7. System of a charge of the battery
      + 3.3.8. System of start-up of the engine
      3.3.9. Malfunctions of the generator
      3.3.10. The basic malfunctions of an electric equipment
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. An exhaust system
+ 8. Transmissions
+ 9. Coupling
+ 10. Brake system
+ 11. A running gear
+ 12. A body
+ 13. An electric equipment
+ 14. A good advice





3.3.9. Malfunctions of the generator
THE GENERAL DATA

MALFUNCTION
THE REASON
Bad contact of brushes
Brushes зависли (dirt), are worn out. Contact rings are polluted.
Malfunction выпрямительного the block
Connections of plugs with conclusions of the battery of a "mass" wire are polluted or is absent. An error at battery connection (return polarity). Wrong connection to the additional battery at engine start-up. Electric welding was spent at the connected generator. Absence of contact of conclusions in generator sockets, pollution of conclusions or defeat by their corrosion.
Malfunction of the bearing
More often arises because of an excessive tension drive a belt. At loading on a generator pulley the sliping belt publishes a sharp sound which at all does not mean that a belt will pull. Worn out приводной the belt leans against a bottom of a stream of a pulley, instead of on lateral walls of a pulley, as generates such sound.

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