| Head of the block of cylinders
|
| The most admissible neploskosnost of the lower surface of a head of the block of cylinders |
0.05 mm
|
| Height of a head of the block of cylinders |
135 mm
|
| Valve saddle width: |
| – inlet valve |
1.0 – 1.4 mm
|
| – final valve |
1.4 – 1.8 mm
|
| Piston fingers
|
| Diameter |
18 mm
|
| Length |
55 mm
|
| Gap of a piston finger in the piston |
0.007 – 0.010 mm
|
| Bent shaft
|
| Axial side play |
0.1 – 0.2 mm
|
| Diameters of radical necks: |
| – nominal size |
54.980 – 54.997 mm
|
| – the 1st repair size – 0,25 |
54.730 – 54.747 mm
|
| – the 2nd repair size – 0,50 |
54.482 – 54.495 mm
|
| Diameters of conrod necks: |
| – nominal size |
42.987 – 42.971 mm
|
| – the 1st repair size – 0,25 |
42.721 – 42.737 mm
|
| – the 2nd repair size – 0,50 |
42.471 – 42.487 mm
|
| Maximum ovality |
0.04 mm
|
| Maximum conicity |
N/A
|
| Working gap of the radical bearing |
0.017 – 0.047 mm
|
| Working gap of the bearing of the lower head of a rod |
0.019 – 0.071 mm
|
| Block of cylinders
|
| The most admissible neploskosnost |
0.05 mm
|
| Diameters of cylinders: |
| – standard: |
| • group of the sizes 5 |
78.945 – 78.955 mm
|
| • group of the sizes 6 |
78.955 – 78.965 mm
|
| • group of the sizes 7 |
78.965 – 78.975 mm
|
| • group of the sizes 8 |
78.975 – 78.985 mm
|
| • group of the sizes 99 |
78.985 – 78.995 mm
|
| • group of the sizes 00 |
78.995 – 79.005 mm
|
| • group of the sizes 01 |
79.005 – 79.015 mm
|
| • group of the sizes 02 |
79.015 – 79.025 mm
|
| • group of the sizes 03 |
79.025 – 79.035 mm
|
| • group of the sizes 04 |
79.035 – 79.045 mm
|
| • group of the sizes 05 |
79.045 – 79.055 mm
|
| • group of the sizes 06 |
79.055 – 79.065 mm
|
| • group of the sizes 07 |
79.065 – 79.075 mm
|
| • group of the sizes 08 |
79.075 – 79.085 mm
|
| • group of the sizes 09 |
79.085 – 79.095 mm
|
| • group of the sizes 1 |
79.095 – 79.105 mm
|
| – the increased size (0.5 mm) |
79.465 – 79.475 mm
|
| Maximum ovality and conicity of diameter of the cylinder of the engine |
0.013 mm
|
| Pistons and rings
|
| Diameter of the piston: |
| – standard: |
| • group of the sizes 5 |
78.915 – 78.955 mm
|
| • group of the sizes 6 |
78.925 – 78.935 mm
|
| • group of the sizes 7 |
78.935 – 78.945 mm
|
| • group of the sizes 8 |
78.945 – 78.955 mm
|
| • group of the sizes 99 |
78.955 – 78.965 mm
|
| • group of the sizes 00 |
78.965 – 78.075 mm
|
| • group of the sizes 01 |
78.075 – 78.085 mm
|
| • group of the sizes 02 |
78.085 – 78.095 mm
|
| • group of the sizes 03 |
78.095 – 79.005 mm
|
| • group of the sizes 04 |
79.005 – 79.015 mm
|
| • group of the sizes 05 |
79.015 – 79.025 mm
|
| • group of the sizes 06 |
79.025 – 79.035 mm
|
| • group of the sizes 07 |
79.035 – 79.045 mm
|
| • group of the sizes 08 |
79.045 – 79.055 mm
|
| • group of the sizes 09 |
79.055 – 79.065 mm
|
| • group of the sizes 1 |
79.065 – 79.075 mm
|
| – the increased size (0.5 mm) – group of the sizes 7 + 0.5 |
79.435 – 79.445 mm
|
| Piston gap in the cylinder |
0.02 – 0.04 mm
|
| Gaps of the lock of the piston ring (established in an opening): |
| – top and lower sealing rings |
0.3 – 0.5 mm
|
| – oil scraper ring |
0.4 – 1.4 mm
|
| Thickness of a piston ring: |
| – top sealing ring |
1.2 mm
|
| – lower sealing ring |
1.5 mm
|
| – oil scraper ring |
2.5 mm
|
| Rod
|
| Side gap of the lower head of a rod |
0.11 – 0.24 mm
|
| Valves
|
| Height of the directing valve plug in a cylinder head |
10.70 – 11:00 mm
|
| Diameter of a core of the valve: |
| – inlet valve: |
| • nominal (K) |
5.995 to 5.970 mm
|
| • the 1st increased size (0.075 mm – K1) |
6.030 to 6.045 mm
|
| • the 2nd increased size (0.150 mm – K2) |
6.150 to 6.165 mm
|
| – final valve: |
| • nominal (K) |
5.935 to 5.950 mm
|
| • the 1st increased size (0.075 mm – K1) |
6.010 to 6.025 mm
|
| • the 2nd increased size (0.150 mm – K2) |
6.085 to 6.100 mm
|
| Valve core exit |
less than 0.03 mm
|
| Diameter of an opening of the directing valve plug: |
| – nominal (K) |
from 6.000 to 6.012 mm
|
| – the 1st increased size (0.075 mm – K1) |
6.075 to 6.090 mm
|
| – the 2nd increased size (0.150 mm – K2) |
6.150 to 6.165 mm
|
| Gap between a core and a guide of the valve |
N/A
|
| Valve length: |
| – inlet valve |
103.1 mm
|
| – final valve |
102.2 mm
|
| Diameter of a plate of the valve: |
| – inlet valve |
31.0 mm
|
| – final valve |
27.5 mm
|
