Yuchai YC4D60-D21 - Page 14

14
18
Piston pin/pin boss
Φ38
012.0
005.0


/Φ38
0
011.0
radial
clearance
0.005～0.023
Φ40
012.0
005.0


/Φ40
0
06.0
0.005～0.076
19
Cylinder block main
bearing (with shell)
/crankshaft journal
Φ85
122.0
060.0


/Φ85
0
022.0
radial
clearance
0.060～0.144
20
Camshaft
spacer/thrust disk
5
12.0
06.0


/5
04.0
08.0


axial
clearance
0.10～0.20
21
Width of the oil
pump rotor /depth of
bore in oil pump body
22
0
021.0
/22
08.0
05.0


axial
clearance
axial
clearance
0.05～0.101
22
Outer diameter of
outer rotor/ bore in
oil pump body
Φ69.7
0
08.0
/Φ69.8
15.0
05.0


radial
clearance
0.15～0.33
23
Oil pump shaft
bushing(I)/oil pump
shaft
Φ19
075.0
050.0


/Φ19
025.0
012.0


radial
clearance
0.025～0.063
24
Oil pump shaft
bushing(II)/oil pump
shaft
Φ15.8
075.0
050.0


/Φ15.8
024.0
012.0


radial
clearance
0.026～0.063
25
End gap when ring
inserted in gauge
clearance
0.4～0.6
clearance
0.35～0.55
clearance
0.30～0.55
26
Crankshaft axial
clearance
axial
clearance
0.1～0.27
27
Backlash of gear in
mesh
clearance
0.07～0.25