Kubota B1830, Workshop Manual

Page: 108 / 548

ENGINE B1830,B2230,B2530,B3030, WSM
1-S7
Piston Ring to Piston Ring Groove
• Second Ring
• Oil Ring
Clearance
Clearance
0.085 to 0.112 mm
0.0033 to 0.0044 in.
0.020 to 0.055 mm
0.0008 to 0.0021 in.
0.2 mm
0.0079 in.
0.15 mm
0.0059 in.
Connecting Rod Alignment – 0.05 mm
0.0020 in.
Crankshaft Side Clearance
Alignment
0.15 to 0.31 mm
0.0059 to 0.0122 in.
–
0.50 mm
0.0197 in.
0.02 mm
0.0008 in.
Crankshaft to Crankshaft Bearing 1
• Crankshaft
• Crankshaft Bearing 1
Oil Clearance
O.D.
I.D.
0.034 to 0.114 mm
0.0013 to 0.0045 in.
47.934 to 47.950 mm
1.8872 to 1.8878 in.
47.984 to 48.048 mm
1.8891 to 1.8916 in.
0.20 mm
0.0079 in.
–
–
Crankshaft to Crankshaft Bearing 2
• Crankshaft Journal
• Crankshaft Bearing 2
Oil Clearance
O.D.
I.D.
0.034 to 0.095 mm
0.0013 to 0.0037 in.
47.934 to 47.950 mm
1.8872 to 1.8878 in.
47.984 to 48.029 mm
1.8891 to 1.8909 in.
0.20 mm
0.0079 in.
–
–
Crankshaft to Crankshaft Bearing 3
• Crankshaft Journal
• Crankshaft Bearing 3
Oil Clearance
O.D.
I.D.
0.034 to 0.098 mm
0.0013 to 0.0039 in.
51.921 to 51.940 mm
2.0441 to 2.0449 in.
51.974 to 52.019 mm
2.0462 to 2.0480 in.
0.20 mm
0.0079 in.
–
–
Crankpin to Crankpin Bearing
• Crankpin
• Crankpin Bearing
Oil Clearance
O.D.
I.D.
0.029 to 0.091 mm
0.0011 to 0.0036 in.
39.959 to 39.975 mm
1.5732 to 1.5738 in.
40.004 to 40.050 mm
1.5750 to 1.5768 in.
0.20 mm
0.0079 in.
–
–
Crankshaft Side Clearance 0.15 to 0.31 mm
0.0059 to 0.0122 in.
0.50 mm
0.0197 in.
Cylinder Liner I.D. D905-E2
D1005-E2
D1105-E2B
V1505-E2B
72.000 to 72.019 mm
2.8346 to 2.8354 in.
76.000 to 76.019 mm
2.9921 to 2.9929 in.
78.000 to 78.019 mm
3.0709 to 3.0716 in.
72.15 mm
2.8406 in.
76.15 mm
2.9980 in.
78.15 mm
3.0768 in.
Item Factory Specification Allowable Limit
KiSC issued 05, 2012 A