BMW 3 Series E30

since 1983-1994 release

Repair and operation of the car

BMW E30
+ 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 brakes
   10.8. Main cylinder of brakes
   10.9. Vacuum amplifier of brakes
   10:10. Cable(s) of the emergency brake
   10:11. Adjustment of the emergency brake
   10:12. Mechanism of the emergency brake
   10:13. Brake pedal
   10:14. Braking signal switch
   10:15. Hoses and lines of a hydraulic actuator of brakes
   10:16. Removal of air from a hydraulic actuator of brakes
+ 11. Running gear
+ 12. Body
+ 13. Electric equipment
+ 14. Useful tips

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10:11. Adjustment of the emergency brake

PERFORMANCE ORDER

Cars with back drum brakes

Prevention

Adjustment of a cable (cables) on the cars equipped with back drum brakes is necessary only after replacement of a cable, or after a cable detachment from a back brake for any reason. If the car is not kept by the emergency brake, then usually it indicates or wear of brake shoes, or malfunction of the mechanism of adjustment of a gap between blocks and drums.

1. Lift a back part of the car and establish on supports.

2. Completely lower the lever of the emergency brake, then several times press a brake pedal.

3. Lift the lever of the emergency brake up on five clicks.

4. Equally tighten or weaken adjusting nuts until back blocks hardly concern the brake drum. And you have to feel that wheels rotate with an identical resistance.

5. Release the emergency brake and be convinced that wheels freely rotate. Otherwise repeat adjustment.

Cars with back disk brakes

Prevention

On cars with back disk brakes the mechanism of self-regulation of a gap between blocks and drums is absent. Therefore to compensate wear of blocks, the emergency brake is required to be adjusted periodically. Adjustment also has to be carried out every time after replacement or removal of a cable, a brake disk, or the mechanism of the emergency brake assembled for any reasons.

6. Slowly lift the lever of the emergency brake, count the number of clicks. If the lever can be lifted above the eighth, then adjust a cable of the emergency brake as it is described below.

7. Remove a cover of the emergency brake. On some cars removal of the central section (tray) can be necessary for access to the mechanism of the emergency brake.

8. Release on one bolt on each back wheel. Lift the car and establish on supports.

9. Turn off each released bolt. Highlighting a small lamp, turn a wheel until in an opening for a bolt you do not see a regulator cogwheel.

10. Rotating a regulator wheel clockwise or counterclockwise, part brake shoes so that they concerned the brake drum. Take away blocks so that wheels freely rotated (on 3 or 4 teeth on the regulator).

Prevention

If the cogwheel of the regulator is hardly turned, remove wheels and a brake disk, then grease the regulator and repeat adjustment.

11. After installation of a disk three times turn on the emergency brake, then slowly lift the lever of the emergency brake up to the fifth click. Equally rotating adjusting nuts achieve that blocks hardly touched drums and that wheels rotated with an identical resistance.

12. Release the emergency brake and check that back wheels freely rotate.

13. Tighten bolts of wheels with the set moment.