Nominal diameter of the cylinder       of 81,01 mm

Sizes of the piston:       

 1st repair size       of 81,51 mm

 2nd repair size       of 82,01 mm

Directing plugs of the valve       

Internal diameter       of plugs 7,013 — 7,035 mm

Gap of rods of valves:       

Fig. 38. Control of palpation of a core of the valve in the directing plug by means of the measuring VW387 device

 inlet valves (see fig. 38 )       1,0 mm

 final valves (see fig. 38 )       1,3 mm

Saddles of valves       

Diameter of a saddle of the valve:       

 inlet valves       of 38,30 mm

 final valves       of 33,50 mm

Tilt angle of a saddle       of the valve 45 °

Width of a saddle of the valve:       

 inlet valves       No more than 1, 7 mm

 final valves       No more than 2,0 mm

External adjustment corner:       

 inlet       valves 30 °

 final       valves 75 °

Max. admissible size

Fig. 42. Measurement of height of a ledge of the end of a core of the valve over the upper edge of a head of the block of cylinders

additional processing (see fig. 42 )

 inlet valves       of 33,90 mm

 final valves       of 34,10 mm

Valves       

Diameter of a plate of the valve:       

 inlet valves       of 39,00 mm

 final valves       of 34,20 mm

Length of the valve:       

 inlet valves       of 106,25 mm

 final valves       of 106,95 mm

Diameter of a rod of the valve:       

 inlet valves       of 6,97 mm

 final valves       of 6,95 mm

Thickness of edge of the valve       Not less than 0,5 mm

Pistons       

Place of measurement of diameter of the piston       of 6,0 mm from a bottom of a skirt of the piston at an angle in 90 ° to an axis of a piston finger

Diameter of the piston:       

 nominal       80,985 mm

 1st repair       81,485 mm

 2nd repair       81,985 mm

Max. admissible wear of the piston       of 0,04 mm

Gap of pistons:       

 normal       0,03 mm

 maximum permissible       0,07 mm

Gap between piston rings

and flutes:       

 normal (kompressionny

 rings)       0,02 — 0,07 mm

 normal (maslosjemny

 ring)       0,02 — 0,08 mm

 maximum permissible       0,15 mm

Thermal gap:       

 the normal — kompressionny

 piston rings       0,20 — 0,40 mm

 the normal — maslosjemny

 ring       0,25 — 0,50 mm

 maximum permissible       1,0 mm

Rods       

Axial gap       of the bearing 0,05 — 0,31 mm

Maximum permissible       0,37 mm

Gap of a piston finger       0,01 — 0,02 mm

Length of rods between centers

bearings       of 164,0 mm

Cranked shaft       

Number of radical       bearings 7

Designation of radical bearings       From 1 to 7, since a forward part of the engine (from a quencher of fluctuations)

Adjustment of an axial gap       Adjusting washers

Radical and shatunny bearings       

Axial gap of a cranked shaft:       

 normal       0,07 — 0,17 mm

 maximum permissible       0,25 mm

Gap of the radical bearing:       

 normal       0,02 — 0,06 mm

 maximum permissible       0,1 mm

Gap of the shatunny bearing:       

 normal       0,01 — 0,06 mm

 maximum permissible       0,1 mm

Diameter of a neck of the radical bearing:       

 nominal diameter       of 60,00 mm

 1st repair       59,75 mm

 2nd repair       59,50 mm

 3rd repair       59,25 mm

System of greasing of the engine       

Pressure in system of greasing       1 bar [100 kPas]

The maximum pressure in       greasing 7 system a bar [700 kPas]

Amount of oil in the engine which it is necessary to fill in at oil replacement:       

 with change of the filter       of 5,5 l

 without change of the filter       of 5,0 l

System of cooling of the engine       

Amount of cooling liquid in cooling system:       

 with a mechanical transmission       of 9 l

 with an automatic transmission       of 9,1 l

Thermostat       

  Temperature of opening       85 ° C

  Temperature of closing       105 ° C