共
50
页
第
20
页
Page 20 of 50
项目
Item
标准值
mm
Standard Value
(mm)
维修极限值
mm
Maintenance Limit
Value (mm)
Piston,
Piston Ring
and Piston
Pin
活塞环闭合间隙
Closure clearance of
piston ring
顶环
/
第二环
Top
ring/second
ring
0.2
～
0.35
0.5
油环
Oil ring
0.2
～
0.7
1.4
活塞环与活塞环槽间
隙
Clearance between
piston ring and
piston ring groove
顶环
Top ring
0.03
～
0.07
0.08
第二环
Second ring
0.02
～
0.06
0.08
汽缸与活塞间隙
Clearance between cylinder and
piston
0.035
～
0.045
0.07
活塞销外径
Outer diameter of piston pin
φ
15.994
～
φ
16
φ
15.99
活塞销与活塞销孔间隙
Clearance between piston pin and
piston pin hole
0.001
～
0.012
0.025
连杆小端
Small End
of
Connecting
Rod
内径
Inner diameter
φ
16.015
～
φ
16.025
φ
16.04
连杆小端与活塞销间隙
Clearance between small end of
connecting rod and piston pin
0.015
～
0.03
0.05
