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Control parameters of the engine parts
Cylinder block Bore, mm 1st rated 78,306-78,310 2nd rated 78,310-78,314 1st increased 78,346-78,350 2nd enlarged 78,350-78,354
Pistons Bore mm: 1st rated 78,253-78,261 2nd rated 78,259-78,267 1st increased 78,293-78,301 2nd enlarged 78,299-78,307
Piston rings The gap piston ring, nominal / maximum permissible mm: upper compression 0.20-0.40 / 0.8 lower compression 0.80-1.00 / 1.4 oil scraper 0.25-0.50 / 0.8 The gap in the groove of the piston rings, the nominal / maximum permissible mm: upper compression 0,100-0,135 / 0,150 lower compression 0,045-0,085 / 0,110 oil scraper 0,025-0,065 / 0,090
Cylinder Head Deviation from the flatness of the mating surface of the cylinder head, mm: not more than 0.1
Valve inlet / outlet The diameter of the plate, mm: 27,00-27,20 / 24,00-24,20 The diameter of the rod, mm: 5,958-5,972 / 5,958-5,972 The length of the valve, mm ... 100,35-100,65 / 100,35-100,65 Corner of a working facet of 45 ?� / 45 ?�
Camshafts Axial clearance, mm: Rated 0,06-0,15 the maximum allowable 0.3 Radial clearance, mm: Rated 0,035-0,085 the maximum allowable 0.1
Crankshaft Diameter of radical necks, mm: Rated 64,958-64,978 1st repair 64,708-64,728 Diameter crankpins, mm: Rated 57,958-57,978 1st repair 57,708-57,728 Axial clearance, mm: Rated 0,090-0,251 Maximum allowable 0.28 Radial clearance, mm: Rated 0,018-0,045 Maximum allowable 0.10
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