E30 series BMW 3

since 1983-1994 of release

Repair and car operation

+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engine
+ 4. Cooling system
+ 5. Heating and ventilation
+ 6. Fuel system
+ 7. Exhaust system
+ 8. Transmissions
+ 9. Coupling
- 10. Brake system
   10.2. Specifications
   10.3. Anti-blocking system (ABS)
   10.4. Blocks of disk brakes
   10.5. Support of a disk brake
   10.6. Brake disk
   10.7. Blocks of drum-type brakes
   10.8. Main cylinder of brakes
   10.9. Vacuum amplifier of brakes
   10.10. Cable (ы) hand brake
   10.11. Adjustment of the hand brake
   10.12. Mechanism of the hand brake
   10.13. Brake pedal
   10.14. Switch of a signal of braking
   10.15. Hoses and lines of a hydraulic actuator of brakes
   10.16. Air removal from a hydraulic actuator of brakes
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Good advice


10.14. Switch of a signal of braking



After removal or replacement of the main brake cylinder or the vacuum amplifier the switch of a signal of braking should be checked and is if necessary adjusted.

The switch of stoplights is in the top part of a pedal of a brake. By each pressing a brake pedal the switch provides fire of a signal of braking.

Switch adjustment
For adjustment of the switch release lock-nuts (1); tightening or turning on the switch (2), expose the correct gap.

At not pressed pedal of a brake measure distance between a point of an emphasis of a plunzher of the switch on a pedal and its case. Compare the received value to the specified distance And in subsection 10.2.

If the measured value of a gap more specified, disconnect a wire from the switch, release lock-nuts and, tightening or turning on the switch, adjust distance. Attach conducting and check operation of the switch.