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
7.1. Coupling
7.2. A transmission
7.3. Kardannaja transfer
7.4. The back bridge
7.4.1. Features of the device
7.4.2. Removal and installation of the back bridge
7.4.3. Dismantling and assemblage of the back bridge
7.4.4. Check of a beam of the back bridge
7.4.5. Editing of a beam of the back bridge
7.4.6. Semiaxes
7.4.7. A reducer
7.4.8. Differential assemblage
7.4.9. Installation and adjustment of a leading gear wheel
7.4.10. Adjustment of bearings of a leading gear wheel
7.4.11. Installation of a box of differential
7.4.12. A tightness of bearings of a box of differential and adjustment of a lateral backlash
7.4.13. Check of contact of teeths of gear wheels of the main transfer
7.4.14. Replacement of an epiploon of a leading gear wheel
7.4.15. Possible malfunctions of the back bridge
8. A running gear
9. A steering
10. Brake system
11. An electric equipment
12. A body
13. Features of repair
14. Appendices


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7.4.10. Adjustment of bearings of a leading gear wheel

Dynamometer 02.7812.9501

1 – mobile the index;
2 – the index of restriction of a twisting moment;
3 – the case;
4 – the handle;
5 – a core with a tip inserted into the transitive plug of a nut of fastening of a flange of a leading gear wheel

For restriction of axial displacement of a leading gear wheel under working loadings, it is very important to create in its bearings a preliminary tightness in the set limits. A tightness supervise a dynamometer 02.7812.9501 measuring the moment of resistance проворачиванию of a leading gear wheel.

The resistance moment проворачиванию defines degree of a tightening of bearings. It should be 156,8–196 Н·см (16–20 кгс·см) for new bearings and 36,2–58,8 Н·см (4–6 кгс·см) for bearings after run of 30 km and more.

To tighten a flange nut it is necessary the moment 117,6–254,8 Н·м (12–26 кгс·м), periodically checking a dynamometer the moment of resistance of bearings проворачиванию a leading gear wheel.

Check of the moment of resistance

PERFORMANCE ORDER
1. For check of the moment of resistance put on a dynamometer 1 the transitive plug 3 (2 – картер), establish the index 2 (fig. the Dynamometer 02.7812.950) restrictions of the moment on the division of a scale corresponding 196 Н·см (20 кгс·см see), and the handle make some turns clockwise. During time проворачивания a leading gear wheel, mobile the index 1 should not pass for the index 2 and should show not less than 156,8 Н·см (16 кгс·см).
2. If the resistance moment проворачиванию is less 156,8 Н·см (16 кгс·см), and for bearings after run of 30 km – 39,2 Н·см (4 кгс·см) tighten a nut of a flange of a leading gear wheel (without exceeding the set moment of a tightening) and check up again the resistance moment проворачиванию a leading gear wheel.
3. If the resistance moment проворачиванию has appeared more than 196 Н·см (20 кгс·см), and for the earned extra bearings 58,8 Н·см (6 кгс·см) that specifies in the overestimated preliminary tightness of bearings, replace распорную the plug new as it from excessive loading was deformed till the size, not allowing to spend adjustment correctly. After replacement распорной plugs repeat assemblage with corresponding adjustments and checks.

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7.4.11. Installation of a box of differential