20.5. A specification for adjustments and control

Gaps in the mechanism of the drive of valves on cold (18–20 °C) the engine, mm


The minimum frequency of rotation of a bent shaft on the mode of idling, min. –1


Oil pressure in the engine lubrication system at a temperature of oil of +85 °C, MPa (kgf/cm2)

0,35–0,45 (3,5–4,5)

Liquid temperature in the cooling system of the heated-up engine at the air temperature of 20-30 °C, full loading and the movement with a speed of 90 km/h, no more, than a °C


Level of cooling liquid in a broad tank on the cold engine

3-4 cm higher risks of "MIN"

Generator drive belt deflection at effort of 100 N (10 kgfs), mm


Gap between electrodes of a spark plug, mm:

  • with contact system of ignition


  • with contactless system of ignition


Initial corner of an advancing of ignition to VMT when using gasoline with octane number 91, 93, 95, a hail


Gap between contacts of the breaker in the distributor of ignition, mm


Free wheeling of a pedal of coupling, mm


Free wheeling of a pedal of a brake at the idle engine, mm


Free wheeling of a steering wheel in provision of the movement on a straight line, no more, hail (mm)

5 (18–20)

Convergence of forward wheels for the rolled car under load of 3200 N (320 kgfs), mm


Disorder of forward wheels for the rolled car under load of 3200 N (320 kgfs), a hail

0 °30 '+20'

Longitudinal inclination of an axis of turn of a wheel for the rolled car under load of 3200 N (320 kgfs), a hail

4 °+30'

Axial gap in bearings of naves of forward wheels, mm


Pressure in tires 165/80R13, MPa (kgf/cm 2):

  • forward wheels

0,16 (1,6)

  • back wheels

0,19 (1,9)

Pressure in tires 175/70R13, MPa (kgf/cm2):

  • forward wheels

0,17 (1,7)

  • back wheels

0,20 (2,0)

Pressure in tires 165/70R13 *, MPa (kgf/cm2):

  • forward wheels

0,18 (1,8)

  • back wheels

0,21 (2,1)

Minimum admissible thickness of overlays for blocks of forward and back brakes, mm


Level of brake fluid in tanks of the drive of brakes and couplings

to the lower edges of jellied mouths

The maximum bias on dry solid soil on which the car with full loading is kept unlimited time by the parking brake, %


Course of the lever of the parking brake, teeth:

  • at adjustment

4–5 (2–4) **

  • in operation

4–7 (2–8) **

* For BL-85 model tires the useful mass of the car has to be reduced by 70 kg.
** For the car having a dual tooth of the sector of the parking brake.