VAZ 2101, 2102
1. Specifications
2. Operation and service
3. The engine
3.1. Features of the device
3.2. Possible malfunctions of the engine, their reason and elimination methods
3.3. Removal and engine installation
3.4. Engine dismantling
3.5. Engine assemblage
3.6. Bench tests of the engine
3.7. Engine check on the car
3.8. The block of cylinders
3.9. Pistons and rods
3.10. A cranked shaft and a flywheel
3.10.1. Features of the device
3.10.2. Clearing of channels of system of greasing
3.10.3. Radical and шатунные necks
3.10.4. Loose leaves of radical bearings
3.10.5. A flywheel
3.10.6. Check of an axial backlash of a cranked shaft
3.11. A head of cylinders and клапанный the mechanism
3.12. A camshaft and its drive
3.13. Cooling system
3.14. Greasing system
4. Fuel system
5. Ignition system
6. Start and gymnastics system
7. Transmission
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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3-10-3-korennye-i-shatunnye-shejjki.html

3.10.3. Radical and шатунные necks

Admissible palpation of the basic surfaces of a cranked shaft

Check

PERFORMANCE ORDER
1. Establish a cranked shaft on two prisms (fig. Admissible palpation of the basic surfaces of a cranked shaft see) and check up the indicator:
      – Palpation of radical necks (as much as possible admissible 0,03 mm);
      – Palpation of landing surfaces under an asterisk and the bearing of a primary shaft of a transmission (as much as possible admissible 0,04 mm);
      – Displacement of axes шатунный necks from a plane passing through axes шатунных and radical necks (as much as possible admissible ±0,35 mm);
      – неперпендикулярность in relation to an axis of a cranked shaft of a face surface of a flange. At проворачивании a shaft the indicator established sideways on distance of 34 mm (fig. Admissible palpation of the basic surfaces of a cranked shaft see) from a shaft axis, should not show palpation more than 0,025 mm.
2. On radical, шатунных necks and on cheeks of a cranked shaft of a crack are not supposed. If they are found out, replace a shaft.
3. On the surfaces of a cranked shaft interfaced to working edges of epiploons, scratches, забоины and risks are not supposed.
4. Measure diameters radical and шатунных necks. Necks should be ground, if their deterioration is more 0,03 mm or ovality of necks more than 0,03 mm and also if on necks there are teases and risks.

Grinding of necks

PERFORMANCE ORDER
1. Radical and шатунные necks grind, reducing by 0,25 mm so that to receive, depending on deterioration degree, diameters corresponding to values, resulted in tab. Diameters шатунных necks, mm and tab. Diameters of radical necks, mm, and radiuses галтелей necks as it is specified in fig. the Basic sizes шатунных and radical necks of a cranked shaft and them галтелей.
2. After grinding and the subsequent operational development of necks well wash out a cranked shaft for removal of the rests of an abrasive. Channels for greasing with removed заглушками some times wash out gasoline under pressure. On the first cheek of a cranked shaft mark size of reduction radical and шатунных necks (for example, To 0,25, Ш 0,50).
3. Ovality both конусность radical and шатунных necks after grinding there should be no more than 0,007 mm.

Diameters шатунных necks, mm

The nominal
The reduced
0,25
0,50
0,75
1,0
47,814
47,564
47,314
47,064
46,814
47,834
47,584
47,334
47,084
46,834

Diameters of radical necks, mm

The nominal
The reduced
0,25
0,50
0,75
1,0
50,775
50,525
50,275
50,025
49,775
50,795
50,545
50,295
50,045
49,795

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3.10.4. Loose leaves of radical bearings