dbba662c

10.1. Specifications

Separate characteristics are provided also in the text of the Head and in case of obligation of their performance are highlighted in bold type.

General data

Drive type Hydraulic, double-circuit (with diagonal division) with the vacuum amplifier. Electronic antistrange system (ESP), amplifier of emergency brake application (BAS) and system of anti-blocking of brakes (ABS)
Brake mechanisms
  • Forward wheels
Disk, ventilated, with the fixed support
  • Back wheels
Disk, with a floating support
Parking brake With the manual hummock drive on shoe assemblies of brake mechanisms of back wheels

Brake mechanisms

Minimum admissible thickness of frictional overlays of brake shoes, mm 2.0
Minimum admissible thickness of frictional overlays of boots of the parking brake, mm 3.5
Diameter of a brake disk of a forward wheel, mm
  • Model 463.246/249/323/333
315
  • Model 463.250 (G320)
303
Thickness of a brake disk, mm

Brake mechanisms of forward wheels

New disk

      • Model 463.246/249/323/333
30
      • Model 463.250 (G320)
16

Wear limit

      • Model 463.246/249/323/333
27.4
      • Model 463.250 (G320)
13

Wear limit when passing THAT

      • Model 463.246/249/323/333
27.6
      • Model 463.250 (G320)
13.6

Brake mechanisms of back wheels

    • New disk
16
    • Wear limit
14
Extreme admissible size of a beating of a brake disk, mm

Brake mechanisms of forward wheels

    • Model 463.246/249/323/333
0.15
    • Model 463.250 (G320)
0.1

Brake mechanisms of back wheels

0.1

Main brake cylinder

Diameter of GTTs, mm
  • Pusher contour
26.99
  • Contour of the floating piston
25.40
Piston stroke, mm
  • Pusher contour
19
  • Contour of the floating piston
13.5

Vacuum amplifier of brakes
Diameter of the vacuum amplifier, mm 203/228.6
Strengthening coefficient 5.6
Pressure in brake lines (with a depression depth in the inlet pipeline 0.6 ÷ 0.8 of atm), atm
At effort of squeezing of a pedal of a foot brake:
  • 50 N
10 ÷ 21
  • 100 N
32 ÷ 45
  • 150 N
54 ÷ 63
  • 200 N
76 ÷ 90
  • 250 N
98 ÷ 120

ABS

Gap between wheel sensors and their rotors (measuring rings), mm 0.7 ÷ 0.05

Efforts of tightening of threaded connections, Nanometer
Wheel bolts
  • Steel disks
180
  • Light-alloy wheels
130
Gates of pumping of supports of brake mechanisms 15
Fastening of a brake tube to GTTs 15
Nuts of fastening of GTTs to the case of the brake amplifier 25
Nuts of fastening of a basic arm of a brake pedal to the brake amplifier 16
Bolts of fastening of the vacuum pump to a head of cylinders (diesel models) 14
Fastening of brake lines to the ABS/ESP hydromodulator 15
Самоконтрящиеся bolts of fastening of wheel sensors to rotary fists 22
Nuts of fastening of a basic arm of the lever of the parking brake to the tunnel of the transmission line 8
Fastening of brake tubes to hydraulic lines 15
Fastening of brake lines to supports 15
The directing fingers of supports of floating type 30
Самоконтрящиеся bolts of fastening of sensors of wear of brake shoes to supports 30
Bolts of fastening of supports of the fixed type to hinged casings of the forward bridge
  • M14x1.5-10.9
220
  • M16x1
280
Lock bolt of fastening of a brake disk to a wheel nave 25
Bolt of fastening of a cable of the drive of the parking brake to the holder's plate 20