BMW 3 Series E46

since 1998 release

Repair and operation of the car



BMW 3 Series E46
+ BMW 3 cars (E46)
+ Current leaving and service
+ Engine
+ Cooling systems, heating
+ Power supply systems, injection and release
- Engine electric equipment
   General information and security measures
   + System of electronic control by ignition and injection of the petrol engine
   + System of ignition
   + System of preheat of the diesel engine
   - Systems of a charge and start
      General information on system
      The battery - the main data and leaving
      Removal and installation of the rechargeable battery
      Check of the rechargeable battery
      Generator. General information and security measures
      Removal and installation of the generator
      Check and replacement of brushes of the generator / regulator of tension
      Removal and installation, check of a starter
      Removal, installation and check of the traction relay of a starter
+ RKPP and transmission line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment





Generator. General information and security measures

Before performing any works on system of charging, it is necessary to get acquainted with the following security measures:

1 Never switch-off the battery or the regulator of tension when the engine and the generator work.
2 Never close the plug of excitement of the generator or the cable fixed on it on weight.
3 Never confuse tension regulator wires.
4 Never turn on tension regulator if it is connected to the weight (instant damage).
5 Never remove the generator if the battery is not switched-off from a contour.
6 At installation of the battery you watch that the minus plug was connected to weight.
7 Never use tension indicator which is connected directly in household network (110 or 220 V). Use only the indicator for 12 Century.
8 If the battery is charged in the established state with the charger, both cables of the battery have to be disconnected. To connect the positive plug of the charger to the positive plug of the battery, and the negative plug of the charger to the negative plug of the battery.
9 The wrong connection of wires leads to destruction of the rectifier and regulator of tension.

Check of the installed generator


At the normal movement the lamp of control of a charge has to go out. Otherwise, malfunction consists in the generator or the regulator of tension.
First, check electric connections of the generator. Check whether the driving belt is correctly tense. A further inspection can be carried out only on the removed generator, however it is possible to check all safety locks previously.

Service

Bearings of the generator have long-term lubricant and do not demand regular maintenance. To keep outer side of the generator clean and not to allow hit on it of water or other dissolving means.



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