Inlet valves       of 35,7 mm

 Final valves       of 31,4 mm

Pistons        

Place of measurement of diameter of the piston       of 10,0 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 diameter       of 79,48 mm

 1st repair size       of 79,73 mm

 2nd repair size       of 79,98 mm

Max. Admissible deterioration of the piston       of 0,04 mm

Backlash of pistons:        

 Normal       0,03 mm

 Maximum permissible       0,07 mm

Backlash between piston rings and flutes:        

 компрессионное (top)       0,06—0,09 mm

 компрессионное (average)       of 0,05-0,08 mm

 маслосъемное       0,03—0,06 mm

 Maximum permissible

 (компрессионное)       0,25 mm

 Maximum permissible

 (маслосъемное)       0,15 mm

Thermal backlash:        

 Normal — компрессионные

 Piston rings       0,20 — 0,40 mm

 Normal — маслосъемное

 Ring       0,25 — 0,50 mm

 Maximum permissible       1,0 mm

Arrangement of locks piston

Rings       Through everyone 120 °

Diameter of a piston finger       of 26,0 mm

Rods        

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

Maximum permissible       0,37 mm

Cranked shaft        

Quantity of radical bearings       5

Designation of radical bearings       From 1 to 5, since a forward part of the engine

Adjustment of an axial backlash       Adjusting washers

Radical and шатунные bearings       Thin-walled loose leaves of bearings

Axial backlash of a cranked shaft:        

 Normal       0,07—0,17 mm

 Maximum permissible       0,37 mm

Backlash of the radical bearing:        

 Normal       0,03—0,08 mm

 Maximum permissible       0,17 mm

Backlash шатунного the bearing:        

 Normal       0,03—0,076 mm

 Maximum permissible       0,08 mm

Max. Infringement of rotundity of necks of bearings       of 0,03 mm

Diameter of a neck of the radical bearing (the admission, mm):        

 Nominal diameter       of 54,00 mm

 1st repair       53,75 mm

 2nd repair       53,50 mm

 3rd repair       53,25 mm

Diameter of necks of bearings of a rod:        

 Nominal diameter       of 47,80 mm

 1st repair       47,55 mm

 2nd repair       47,30 mm

 3rd repair       47,05 mm

Width of loose leaves of bearings       of 20 mm

System of greasing of the engine        

Pressure in system of greasing       Not less than 2,0 bar

                                                       [200 кПа]

The minimum pressure in greasing system (operation of a control lamp)       0,15—0,75 bar

                                                                                                                                              [15–75 кПа]

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

 With change of the filter       of 4,5 l

 Without change of the filter       of 4,0 l

System of cooling of the engine        

Pressure of opening редукционного the valve       1,4—1,6 bar

                                                                                  [140–160 кПа]

Pressure of opening of the valve of depression       0,06—0,1 bar

                                                                            [6–10 кПа]

Thermoswitch        

Temperature of inclusion of 1st step       92—97 ° C

Temperature of deenergizing of 1st step       84—91 ° C

Temperature of inclusion of 1st step       99—105 ° C

Temperature of deenergizing of 2nd step       91—98 ° C

The thermostat        

Temperature of opening       85 ° C

It is completely open       105 ° C

Course       of 7,0 mm