VAZ 2101, 2102
1. Specifications
2. Operation and service
3. The engine
4. Fuel system
5. Ignition system
6. Start and gymnastics system
7. Transmission
8. A running gear
9. A steering
10. Brake system
10.1. Features of the device
10.2. Check and adjustment of brakes
10.3. An arm of pedals of coupling and a brake
10.4. The main cylinder
10.4.1. Removal and installation
10.4.2. Dismantling and assemblage
10.4.3. Check of details
10.4.4. Check of tightness of the main cylinder
10.5. Forward brakes
10.6. Back brakes
10.7. A regulator of pressure of back brakes
10.8. A lay brake
10.9. Possible malfunctions of brakes, their reasons and elimination methods
11. An electric equipment
12. A body
13. Features of repair
14. Appendices


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10.4.4. Check of tightness of the main cylinder

The scheme of check of tightness of the main cylinder

1 – the valve for prorolling;
2 – a manometre;
3 – the absorbing cylinder;
4 – the main cylinder;

5 – a flywheel;
6 – the index of displacement of a pusher;
7 – the crane;
8 – a vessel


PERFORMANCE ORDER
1. Establish the main cylinder on the stand and connect it to stand elements, as is shown in drawing.
2. Open valves 1 for prorolling of the stand and, moving some times pistons of the main cylinder for full length of their course, pump over system.
3. Then close valves 1.
4. Rotating a flywheel 5, slowly move pistons of the main cylinder until the pressure supervised by manometres 2, will not reach 12,5 МПа (125 kgs/sm2). In this position block a pusher of the main cylinder. The specified pressure should remain to constants not less than 5 with.
5. In cases of leak of a liquid or not preservation of constant pressure during 5 with replace уплотнители cylinder pistons.

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10.4.3. Check of details
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10.5. Forward brakes