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





3.3.10. The basic malfunctions of an electric equipment
THE GENERAL DATA

THE REASON
ELIMINATION METHOD
The starter does not rotate after ignition inclusion
The storage battery is discharged To charge the storage battery.
Breakage in a wire 50 to the lock of the switch of ignition, is damaged a wire of the switch of ignition To eliminate breakage, to replace the damaged parts.
Breakage of a wire or weight conclusion. The storage battery is discharged To check up a wire and a conclusion of the storage battery. To measure pressure of the storage battery, if necessary, to charge the storage battery.
Insufficient receipt of a current because of the free or oxidised connections To clear poles and plugs of the storage battery. To provide necessary connection between the storage battery, a starter and weight.
Absence of pressure on a conclusion 50 (the traction relay) Breakage in a wire, is damaged the ignition switch.
The starter works too slowly and does not rotate the engine
The storage battery is discharged To charge the storage battery.
The engine is not filled by winter or all-weather oil To fill all-weather oil.
Insufficient current strength because of the free or oxidised tips of wires To smooth out polar conclusions of storage batteries, a starter and tips of wires, to tighten connections.
Brushes do not contact to a collector, are got jammed in the оправках, worn out, made oily or polluted To check up brushes, to clear or replace. To check up щеткодержатель.
Inadequate backlash between brushes and a collector To replace brushes and to clear щеткодержатель.
On a collector a deposit, risks, pollution Переточитть a collector or to replace an anchor.
Absence of pressure on a conclusion 50 (a minimum 8В) To check up switching of the switch of ignition or the traction relay.
Bearings are beaten out To check up bearings, if necessary to replace.
The traction relay is damaged To replace the traction relay.
The starter is hooked and starts to work, but the engine does not rotate or rotates jerky
The gear mechanism (the mechanism of a gear wheel of a drive) is damaged To replace the gear mechanism.
The drive gear wheel is polluted To clear a gear wheel.
The gear wreath on a flywheel is damaged To repair a gear wreath, if necessary to replace a flywheel.
The gear mechanism is not separated
The gear mechanism or screw шлицы are polluted or damaged To clear or replace the gear mechanism.
The traction relay is damaged To replace the traction relay.
Has burst or ослабла a returnable spring To replace a returnable spring.

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