> Lay brake. Daewoo Matiz (since 1997 of release)
Daewoo Matiz since 1997 of release
1. The general data
2. Maintenance service
3. The engine
4. Transmission
5. A running gear
6. A steering
7. Brake system
7.1. The design description
7.1.1. Control lamp ВRАКЕ
7.1.2. The main brake cylinder
7.1.3. A pressure regulator
7.1.4. The gauge of level of a brake liquid
7.1.5. The vacuum amplifier of brakes
7.1.6. The disk forward brake mechanism
7.1.7. The drum-type brake mechanism
7.1.8. A lay brake
7.1.9. Possible malfunctions of brake system and methods of their elimination
7.2. Diagnostics of brake system
7.3. Removal and installation of knots of brake system
7.4. Replacement brake колодок
7.5. Repair of knots of brake system
8. Systems of heating, ventilation and air-conditioning
9. A body electric equipment
10. A body
11. Schemes электроборудования
 







7-1-8-stoyanochnyjj-tormoz.html

7.1.8. A lay brake

The 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




To return back
7.1.7. The drum-type brake mechanism
On the following page
7.1.9. Possible malfunctions of brake system and methods of their elimination