7-1-8-stoyanochnyjj-tormoz.html
7.1.8. A lay brakeThe lay brake should keep reliably the car with sufficient preservation of a course of a pedal. Check up on absence of an attrition of a cable, a rust etc., and also the conditions, able to interfere with a free wheeling of the lever of a lay brake.
Specifications of brake system are resulted in tab. 7.1.
Table 7.1 Specifications of brake system
The name
|
Parametres and characteristics
|
Brake drum, mm
|
|
Nominal internal diameter
|
180
|
Maximum permissible internal diameter
|
182
|
Ovality
|
0,04
|
конусность
|
0,02
|
Overlay back brake колодки, mm
|
|
Thickness
|
4
|
Maximum permissible thickness
|
1
|
Backlash between an overlay and a brake drum
|
0,3
|
Brake disk, mm
|
|
Nominal thickness
|
12,7
|
Maximum permissible thickness
|
10,0
|
Lateral palpation
|
0,05
|
Diameter
|
236
|
Support of a forward brake
|
|
Thickness of overlays brake колодок, mm
|
10
|
Maximum permissible thickness of overlays brake колодок, mm
|
8
|
Diameter of the cylinder, mm
|
48
|
Internal diameter of the main brake cylinder, mm
|
20,64
|
Diameter of the piston of a support, mm
|
48
|
Diameter of the working brake cylinder, mm
|
17,46
|
Brake pedal, mm
|
|
Free wheeling
|
6-10
|
Installation height
|
200
|
Course
|
30
|
Type of a brake liquid
|
DOT-3, DOT-4
|
Capacity of a brake liquid, l
|
0,45
|
Pressure regulator
|
|
Pressure of inclusion, кПа
|
2,4516
|
Pressure parity
|
0,25:1
|
The vacuum amplifier
|
|
Diameter, mm
|
177,8
|
Parity of auxiliary force
|
3,7:1
|
Distance from the amplifier to the centre to скобы the cylinder, mm
|
96
|
Quantity of clicks at a tightening of a lay brake
|
5-7
|
The moments of an inhaling of elements of brake system are resulted in tab. 7.2.
Table 7.2 the Moments of an inhaling of elements of brake system, Нм
The union of fastening of brake tubes
|
16
|
Bolt of fastening of a forward brake hose with a support
|
25,5
|
Bolt of fastening of a pedal of a brake with an arm
|
18
|
Bolts of fastening of an arm of a pedal of a brake
|
18-26
|
Nuts of fastening of an arm of a pedal of a brake
|
18-26
|
Bolts of fastening of an arm of the switch of a lantern of a stoplight
|
9-12
|
The screw of fastening of a tank of a brake liquid
|
4
|
Nut of fastening of the main brake cylinder
|
16
|
Fastening of unions to the main brake cylinder
|
16
|
Fastening of unions to a pressure regulator
|
16
|
Fastening of unions to the back working cylinder
|
16
|
Fastening of unions to a forward support
|
16
|
Nut of fastening of the vacuum amplifier of brakes to a partition of a motor compartment
|
16
|
Bolts of fastening of a brake disk
|
65
|
Bolts of fastening of a support
|
95
|
Bolts of fastening by a support to the holder
|
26
|
Hollow bolt of fastening of a brake hose
|
25,5
|
The prorolling union
|
6
|
Koronchataja nut of fastening of a back brake drum
|
|
1st stage
|
25
|
2nd stage
|
To turn on on 180
|
3rd stage
|
2,5
|
Bolts of fastening of the working brake cylinder
|
10
|
Bolts of fastening of a protective casing of a back brake
|
24
|
Bolts of fastening of a clip of a cable of a lay brake
|
10
|
Bolt of fastening of the lever of a lay brake
|
10
|
Nut of fastening of the lever of a lay brake
|
10
|
Adjusting nut of a cable of a lay brake
|
10
|
|
|