Kubota WSM 05-E3B Series Workshop Manual page 120

05-E3B, 05-E3BG, WSM
Oil Clearance between Crankshaft Journal and Crankshaft
Bearing 1
1. Measure the O.D. of the crankshaft front journal with an outside
micrometer.
2. Measure the I.D. of the crankshaft bearing 1 with an inside
micrometer, and calculate the oil clearance.
3. If the clearance exceeds the allowable limit, replace the
crankshaft bearing 1.
4. If the same size bearing is useless because of the crankshaft
journal wear, replace it with an undersize one referring to the
table and figure.
D1005-E3B / E3BG, D1105-E3B / E3BG, D1105-T-E3B,
V1505-E3B / E3BG, V1505-T-E3B
Factory spec.
Oil clearance between
crankshaft journal and
crankshaft bearing 1
Allowable limit
Crankshaft journal O.D. Factory spec.
Crankshaft bearing 1
Factory spec.
I.D.
(Reference)
• Undersize dimensions of crankshaft journal
0.020 mm
Undersize
0.0079 in.
2.3 to 2.7 mm radius
Dimension A
0.091 to 0.10 in. radius
1.0 to 1.5 mm relief
*Dimension B
0.040 to 0.059 in. relief
47.734 to 47.750 mm dia.
Dimension C
1.8793 to 1.8799 in. dia.
The crankshaft journal must be fine-finished to higher than ∇∇∇∇
*Holes to be de-burred and edges rounded with 1.0 to 1.5 mm
(0.040 to 0.059 in.) relief.
S-65
DIESEL ENGINE
0.0340 to 0.114 mm
0.00134 to 0.00448 in.
0.20 mm
0.0079 in.
47.934 to 47.950 mm
1.8872 to 1.8877 in.
47.984 to 48.048 mm
1.8892 to 1.8916 in.
0.40 mm
0.016 in.
2.3 to 2.7 mm radius
0.091 to 0.10 in. radius
1.0 to 1.5 mm relief
0.040 to 0.059 in. relief
47.534 to 47.550 mm dia.
1.8715 to 1.8720 in. dia.
(0.8-S)
W10337170
KiSC issued 12, 2007 A