Sable car GAZ-2752, 2217, 2310>> Appendices>> The parameters supervised at repair of a head of the block of cylinders and the mechanism of a gazoraspredeleniye

The parameters supervised at repair of a head of the block of cylinders and the mechanism of a gazoraspredeleniye

Controllable parameters

The size on a working drawing, mm

Maximum permissible size, mm

Repair sizes, mm

The 1st

The 2nd

The 3rd

Diameter of openings under directing plugs of valves

14 – 0,023
– 0,050

13,98

14,2 – 0,023
– 0,050

Diameter external directing plugs of valves

14 +0,058
+0,040

14,0 +0,078
+0,060
14,2 +0,058
+0,040
14,2 +0,078
+0,060

Diameter of cores of valves

8–0,020

7,95

Diameter of openings of the directing plugs pressed in a head:

  • inlet valve
8 +0,040
+0,022

8,1

  • final valve
8 +0,047
+0,029

8,15

Diameter of hydropushers

35 – 0,025
– 0,041

34,95

Diameter of openings under a hydropusher

35 +0,025

35,1

Diameter of support under a forward neck of camshafts

42 +0,025

42,05

Diameter of support under necks of camshafts

35 +0,025

35,05

Diameter of the first basic neck of camshafts

42 – 0,050
– 0,075

41,9

Diameter of basic necks of camshafts

35 – 0,050
– 0,075

34,9

Radial palpation of an average basic neck

0,025

0,04

Height of cams

45,0±0,25

44,5