3c33ddb1

3.5.2.5. Diesel engine of 2,0 l

Head of the block of cylinders
The most admissible neploskosnost of the lower surface of a head of the block of cylinders
N/A
Height of a head of the block of cylinders
140 mm
Valve saddle width
1.4 – 1.8 mm
Valves
Height of the directing valve plug in a cylinder head
11.20 – 11.50 mm
Diameter of a core of the valve:
  – inlet valve:
     • nominal (K)
5.955 – 5.970 mm
     • the 1st increased size (0.075 mm - K1)
6.030 – 6.045 mm
     • the 2nd increased size (0.150 mm-K2)
6.105 – 6.120 mm
  – final valve:
     • nominal (K)
5.945 – 5.960 mm
     • the 1st increased size (0.075 mm - K1)
6.020 – 6.035 mm
     • the 2nd increased size (0.150 mm-K2)
6.095 – 6.110 mm
Valve core exit
less than 0.03 mm
Diameter of an opening of the directing valve plug:
  – nominal (K)
6.000 – 6.012 mm
  – the 1st increased size (0.075 mm - K1)
6.075 – 6.090 mm
  – the 2nd increased size (0.150 mm-K2)
6.150 – 6.165 mm
Gap between a core and a guide of the valve
N/A
Valve length:
  – new
97.1 – 97.2 mm
  – minimum
96.9 – 97.0 mm
Diameter of a plate of the valve:
  – inlet valve
28.9 – 29.1 mm
  – final valve
25.9 – 26.1 mm
Block of cylinders
Maximum admissible neploskosnost
N/A
Diameters of cylinders:
  – standard:
     • group of the sizes 8
83.975 – 83.985 mm
     • group of the sizes 99
83.985 – 83.995 mm
     • group of the sizes 00
83.995 – 84.005 mm
     • group of the sizes 01
84.005 – 84.015 mm
     • group of the sizes 02
84.015 – 84.025 mm
  – the increased size (0.5 mm)
N/A
Maximum ovality of the cylinder
N/A
Maximum conicity of the cylinder
N/A
Pistons and rings
Diameter of the piston:
  – standard:
     • group of the sizes 8
N/A
     • group of the sizes 99
N/A
     • group of the sizes 00
N/A
     • group of the sizes 01
N/A
     • group of the sizes 02
N/A
  – the increased size (0.5 mm)
N/A
Piston gap in the cylinder
N/A
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
Gap of a piston ring in the piston:
  – top and lower sealing rings
0.02 – 0.04 mm
  – oil scraper ring
0.01 – 0.03 mm
Thickness of a piston ring:
  – top sealing ring:
     • X20DTL engine
2.00 mm
     • X20DTH engine
2.50 mm
  – lower sealing ring:
     • X20DTL engine
1.75 mm
     • X20DTH engine
2.00 mm
  – oil scraper ring
3.0 mm
Piston fingers
Diameter
29 mm
Length
68 mm
Rod
Side gap of the lower head of a rod
0.07 – 0.28 mm
Bent shaft
Axial side play
0.05 – 0.15 mm
Diameters of radical necks:
  – 1st group of the sizes (green)
67.966 – 67.974 mm
  – 2nd group of the sizes (brown)
67.974 – 67.982 mm
  – 1st reduced (0.25 mm)
67.716 – 67.732 mm
  – the 2nd reduced (0.50 mm)
67.466 – 67.482 mm
Diameters of conrod necks:
  – standard
48.971 to 48.990 mm
  – 1st reduced (0.25 mm)
48.721 to 48.740 mm
  – the 2nd reduced (0.50 mm)
48.471 to 48.490 mm
Maximum ovality
0.03 mm
Maximum conicity
N/A
Working gap of the radical bearing
0.016 – 0.069 mm
Working gap of the bearing of the lower head of a rod
0.010 – 0.061 mm