Specifications of the brake system

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The service brake system is actuated hydraulically. The system uses a vacuum brake booster. The braking system consists of two circuits. The front brakes are disc and the rear are drum. The handbrake is mechanically actuated and actuates the rear brakes.

Front brakes



Front brakes - disc. They use full discs and single piston floating calipers.

Outer diameter of brake disc
240 mm
Disc Thickness:
– nominal
12.65 mm
- the minimum allowable
11.3mm
Maximum disc runout
0.15 mm
Caliper cylinder diameter
54.0 mm
Type of brake pads
Girling D 600 FF
Shoe sizes
38 x 111 mm
Lining thickness (without base plate):
– nominal
12.5mm
- the minimum allowable
about 1.5 mm

Rear brakes



The rear brakes are drum and equipped with an automatic pad clearance adjustment mechanism.

Brand:
– Berlin 1.3 and 1.6 dm3
DBA
– Berlina 2.0 dm3 and combi
Girling
Working diameter of the brake drum:
– Berlin 1.3 and 1.6 dm3
203.2 mm
– Berlina 2.0 dm3 and combi
228.6 mm
Pad Width:
– Berlin 1.3 and 1.6 dm3
38.1 mm
– Berlina 2.0 dm3 and combi
57.1 mm
Diameter of working brake cylinders:
– Berlin 1.3 and 1.6 dm3
19 mm
– Berlina 2.0 dm3 and combi
20.64 mm
Lining thickness:
– nominal:
• block synchronous
4.75mm
• block asynchronous
3.25mm
- the minimum allowable:
1 mm
Shoe type
N/ F 360 IF.FF

Master brake cylinder



Two pistons are located in series in the cavity of the main cylinder, each of which controls its own circuit.

Vacuum brake booster



The vacuum brake booster acts on the main brake cylinder and contains one diaphragm.

Pressure regulator



The pressure regulator is installed on the rear brake pipeline and limits the braking force of the rear wheels.


Master brake cylinder
Brand
Bendix or Ate
Piston diameter
22.0 - 22.2 mm
Vacuum brake booster
Effective diameter
227 mm

Tightening torques



Caliper bracket to wheel steering knuckle
5 – 75 Nm
Carrier disc to arm
52 - 64 Nm
Hydraulic piping connections
68 - 95 Nm
Deaerator
maximum 10.5 Nm
wheel nut
100 Nm







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