|
1-3-2-osnovnye-razmery-i-zazory-dvigatelya.html
1.3.2. The basic sizes and engine backlashes
|
Parametre
|
Rating value, mm
|
Maximum permissible value, mm
|
|
Camshaft
|
|
|
|
Height of a cam of inlet valves
|
35,156
|
35,124
|
|
Height of a cam of final cams
|
34,814
|
34,789
|
|
Deflection
|
-
|
0,03 and less
|
|
Backlash in necks
|
0,050-0,091
|
0,15
|
|
External diameter of a neck
|
|
|
|
№ 1
|
43,425 - 43,450
|
43,375
|
|
№ 2
|
43,625-43,650
|
43,575
|
|
№ 3
|
43,825-43,850
|
43,775
|
|
№ 4
|
44,025-44,050
|
43,975
|
|
Head of the block of cylinders
|
|
|
|
Internal diameter of an aperture under a neck
|
|
|
|
№ 1
|
43,500-43,516
|
43,525
|
|
№ 2
|
43,700-43,716
|
43,725
|
|
№ 3
|
43,900-43,916
|
43,925
|
|
№ 4
|
44,100-44,116
|
44,125
|
|
Deformation of a surface of a plane
|
-
|
0,05
|
|
Deformation of a surface of collectors
|
-
|
0,1
|
|
Axis коромысел
|
|
|
|
Deflection
|
-
|
0,1
|
|
Backlash
|
0,005-0,040
|
0,06
|
|
Valves
|
|
|
|
Radial moving of the valve
In the directing plug
|
-
|
0,08
|
|
Width of contact
|
|
|
|
Inlet valves
|
1,46-1,66
|
-
|
|
Final valves
|
1,46-1,66
|
-
|
|
The directing plug of valves
|
|
|
|
Acting part
|
14
|
-
|
|
Backlash
|
|
|
|
Inlet valves
|
0,020-0,047
|
0,07
|
|
Final valves
|
0,045-0,072
|
0,09
|
|
Internal diameter
|
|
|
|
Inlet valves
|
5,500-5,512
|
5,53
|
|
Final valves
|
5,500-5,512
|
5,53
|
|
Valve core
|
|
|
|
Diameter
|
|
|
|
Inlet valves
|
5,456-5,480
|
-
|
|
Final valves
|
5,440-5,455
|
-
|
|
Backlash of edges
|
|
|
|
The inlet
|
-
|
0,14
|
|
The final
|
-
|
0,18
|
|
Deterioration of edges
|
-
|
0,05
|
|
Valve spring
|
|
|
|
Free height
|
54,45
|
53,4
|
|
Preliminary tightness
|
23,4-27,0
|
22,0
|
|
прямоугольность
|
-
|
2,4
|
|
Diameter
|
-
|
68,57
|
|
Cylinder aperture
|
|
|
|
конусность (maximum)
|
-
|
0,1 and less
|
|
Ovality
|
-
|
0,05 and less
|
|
The piston
|
|
|
|
Diameter
|
|
|
|
The nominal
|
68,465 - 68,485
|
-
|
|
The increased size 0,25
|
68,715-68,735
|
-
|
|
The increased size 0,50
|
68,965-68,985
|
-
|
|
Backlash
|
0,025-0,045
|
-
|
|
Piston rings
|
|
|
|
Backlash of flutes for rings
|
|
|
|
1 компрессионное a ring
|
0,02-0,06
|
0,1
|
|
2 компрессионное a ring
|
0,02-0,06
|
0,1
|
|
маслосъемное a ring
|
0,06-0,10
|
-
|
|
Backlash in the lock
|
|
|
|
1 компрессионное a ring
|
0,15-0,30
|
0,7
|
|
2 компрессионное a ring
|
0,15-0,30
|
0,7
|
|
маслосъемное a ring
|
0,20-0,70
|
1,8
|
|
Piston finger
|
|
|
|
Diameter
|
15,996-16,000
|
-
|
|
Internal diameter of an aperture
|
16,006-16,014
|
-
|
|
Backlash
|
0,006-0,019
|
-
|
|
Rod:
|
|
|
|
Backlash between the bottom head of a rod
And persistent half rings
|
0,1-0,2
|
0,35
|
|
Deflection, 100 mm
|
-
|
0,05
|
|
Torsion, 100 mm
|
-
|
0,1
|
|
Oil backlash
|
0,02-0,04
|
0,065
|
|
Cranked shaft:
|
|
|
|
Palpation
|
-
|
0,03
|
|
Backlash of persistent half rings
|
0,11-0,31
|
0,4
|
|
Ovality/konusnost
|
-
|
0,01
|
|
Oil backlash of the loose leaf
|
0,02-0,04
|
0,065
|
|
External diameter of a radical neck
|
43,982-44,000
|
-
|
|
Flywheel palpation
|
-
|
0,2
|
|
The block of cylinders:
|
|
|
|
Deformation of a surface of a head
|
-
|
0,05
|
|
неплоскостность surfaces
|
-
|
0,03
|
|
The oil pump:
|
|
|
|
Rotor backlash
|
0,31
|
-
|
|
Lateral backlash
|
0,15
|
-
|
|
|