E46 series BMW 3

since 1998 of release

Repair and car operation



E46 series BMW 3
+ BMW 3 Cars (Е46)
+ Current leaving and service
+ Engine
+ Systems of cooling, 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
   + ignition System
   + System of preheat of the diesel engine
   - Charge and start systems
      General information on system
      The battery - the main data and leaving
      Removal and installation of the storage battery
      Check of the storage battery
      Generator. General information and security measures
      Removal and generator installation
      Check and replacement of brushes of a generator / regulator of tension
      Removal and installation, starter check
      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
+ electric equipment Schemes



2d97642e


Removal and generator installation

The car has the generator of an alternating current. The drive of the generator is carried out from a cranked shaft through maple a belt. Depending on model of the car and the equipment generators of various capacity can be established. The capacity is specified on the plate strengthened on the generator.

If late on the car the additional equipment is established, it is necessary to check, whether the capacity of the established generator is sufficient. If necessary it is necessary to establish the generator of higher capacity.


As the storage battery can be charged only from the generator, the alternating voltage of the generator will be transformed by the rectifier in constant by means of a payment of diodes. The regulator of tension changes a charging current by means of inclusion and switching off of a current of excitement according to degree of a zaryazhennost of the storage battery. At the same time the regulator supports to constants working tension about 14 In, irrespective of number of turns.

The generator is a replaceable part. The damaged generator upon purchase of the new or repaired generator is set by the manufacturer off. It is necessary to hand over the old generator thus.


 REMOVAL

1 Disconnect a negative cable (-) the storage battery at the switched-off ignition. The battery is in a luggage compartment behind a cover on the right side. At BMW 316i, 318i cars the battery settles down in an impellent compartment.

As a result of shutdown of the storage battery data from memory of malfunctions of some monitors are erased. If necessary before shutdown of the battery it is necessary to consider these memories of malfunctions. Address to the Section Diagnostics of malfunctions. Work it is desirable to lead HUNDRED in conditions.

2 Close a negative pole of the battery to exclude possibility of casual contact.
3 Models 316i, 318i, 320i, 323i, 328i: remove a box of the air filter on absorption, address to the Section Removal and installation of the air filter of the engine.
4 Models 320i, 323i, 328i with the conditioner: Disconnect the fan with the vyazkostny coupling from the pump of cooling liquid, address to the Section Removal and fan installation with the vyazkostny coupling.
5 Models 320d: Remove a radiator jalousie, address to the Section Removal and radiator installation.
6 Models 320d: Before removal of a maple belt weaken three bolts of fastening on a pulley of the pump of the power steering, without turning on them. After removal of a maple belt disconnect a pulley. The pump of the power steering address to the Section Removal and installation of the pump of the hydraulic booster.
7 Remove maple a belt, address to the Section Removal, installation and a tension of a maple belt.

8 Disconnect and remove the top rejecting roller.

9 Disconnect behind the generator a ventilating hose if it is available.

10 Unscrew from a reverse side of the generator a protective cap. If there are covers of nuts of accessions, remove them.

11 Uncover. Unscrew nuts-1-and remove a thick cable of accession In + and thin D +. At the engine 320i, 323i, 328i расстыкуйте I will corrode plugs D + from a reverse side of the generator, having pressed thus a wire clamp.
12 Unscrew a bolt of-2-accessions of a negative cable.

13 Unscrew fastening bolts (arrows on an illustration) and remove the generator.


 INSTALLATION

14 Models 316i, 318i: For simplification of installation of the generator press plugs-1-on an engine beam in situation-2-.

15 Fix the generator, having wrapped bolts of fastening the moment of 45 N • m.

The instruction for 316i, 318i: 1–a carving for a rejecting roller at a hydraulic natyazhitel of a maple belt. If it is established - the carving-1-is not used.

16 Fix the top rejecting roller.

At the engine 320i, 323i, 328i the stopper from a provorachivaniye on the holder of a rejecting roller should enter into a groove (the shooter on an illustration) on the generator.

17 Fix a cable from a reverse side of the generator and join it, address to the subsection "Removal". Nuts М6 are tightened by the moment of 7 N • m, nuts М8 the moment of 13 N • m.
18 Fix a cover from a reverse side of the generator.
19 Models 320d: Fix a pulley of the pump of the power steering. After installation of a maple belt fix a pulley, address to the Section Removal and installation of the pump of the hydraulic booster.
20 Establish maple a belt, address to the Section Removal, installation and a tension of a maple belt.
21 Models 320d: Establish a radiator jalousie, address to the Section Removal and installation of a fan / casing of the fan.
22 Models 320i, 323i, 328i with the conditioner: fix the fan with the vyazkostny coupling on the pump of cooling liquid, address to the Section Removal and fan installation with the vyazkostny coupling.
23 Models 316i, 318i, 320i, 323i, 328i: Establish a box of the air filter of absorption, address to the Section Removal and installation of the air filter of the engine.
24 Attach a negative cable (-) the storage battery at the switched-off ignition. Establish hours.