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37
Piston pin seat hole
diameter/piston pin
Interference
Clearance
30
主轴承孔径
/
主轴颈
Main bearing bore diameter
/main bearing diameter
115
.
0
05
.
0
85
/
0
035
.
0
85
径向间隙
Radical
clearance
0.05
~
0.15
31
曲轴止推面间隙
Crankshaft thrust plane
clearance
轴向间隙
Axial
clearance
0.10
~
0.30
32
隔圈
/
凸轮轴止推片
Set collar/Camshaft thrust
plate
12
.
0
06
.
0
5
/
04
.
0
08
.
0
5
间
隙
Clearance
0.10
~
0.20
33
各齿轮之间的啮合间隙
Engagement side play
between various gears
间
隙
Clearance
0.07
~
0.30
34
压缩余隙
Compressing clearance
间
隙
Clearance
1.0
~
1.2
表
1-6 YC6A
、
YC6B
、
YC6J
系列发动机主要螺栓、螺柱、螺母拧紧力矩
YC6A
、
YC6B
、
YC6J Series Engine Tightening Torque for the Bolts
、
Studs and Nuts
名称
Description
拧紧力矩(
N.m
)
Tightening torque
(
N.m
)
名
称
Description
拧 紧 力 矩
(
N.m
)
Tightening
torque (N·m)
主轴承盖螺母
Main bearing bolt nut
220
~
260
皮带轮减振器螺栓(起动
抓)
Belt pulley shock
absorber bolt
≥
300
主轴承螺柱
Main bearing bolt
150
~
170
飞 轮 壳 螺 栓
flywheel
casing bolt
100
~
108
连杆螺栓
Connecting rod bolt
170
~
210
飞轮螺栓
Flywheel bolt
170
~
210
气缸盖螺栓或螺母
Cylinder head bolt or nut
210
~
250
喷油器总成螺母
Injector assembly nut
20
~
30
凸轮轴正时齿轮螺母
Camshaft timing gear bolt nut
160
~
200
铸 铁 油 底 壳 螺 栓
Cast
iron crankcase oil tray
bolt
钢板冲制油底壳螺栓
Steel plate stamping oil
tray bolt
27
~
34
20
~
30
注:高强度螺栓在此基础上加
5 N·m
Note: extra 5 N m is required on this base for High intensity bolt
Summary of Contents for YC6A Series
Page 11: ...4 YC6J...
Page 12: ...Fig 4 Assembly Layout for YC6J Diesel Engine may differ from the practical configuration...
Page 13: ...13 YC6A A8700 YC6A series construction engine A8700 external characteristic curve...
Page 15: ...15 YC6B B7700 YC6B series construction Turbocharged engine B7700 external characteristic curve...
Page 16: ...16 YC6J J8000 YC6J series construction engine J8000 external characteristic curve...
Page 64: ...64 2 31 Thethermostator is of wax type and installed in the water outlet of the pipe It is not...
Page 98: ...98 the engine to check repair and replace damaged parts...