Crankshaft - Kubota V3600-E3 Shop Manual

V3-E3B SERIES, V3-E3CB SERIES, V3-E3BG SERIES, WSM

(4) Crankshaft

Crankshaft Side Clearance
1. Set a dial indicator with its tip on the end of the crankshaft.
2. Measure the side clearance by moving the crankshaft to the front
and rear.
3. If the measurement exceeds the allowable limit, replace the
thrust bearings.
4. If the same size bearing is useless because of the crankshaft
journal wear, replace it with an oversize one referring to the table
and figure.
Factory spec.
Crankshaft side
clearance
Allowable limit
(Reference)
• Oversize dimensions of crankshaft journal.
0.2 mm
Oversize
0.008 in.
169.10 to 169.15 mm
Dimension A
6.6575 to 6.6594 in.
29.20 to 29.25 mm
Dimension B
1.150 to 1.151 in.
2.8 to 3.2 mm radius
Dimension C
0.11 to 0.12 in. radius
The crankshaft journal must be fine-finished to higher than ∇∇∇∇.
Crankshaft Alignment
1. Support the crankshaft with V block on the surface plate.
2. Set a dial indicator with its tip on the intermediate journal at high
angle.
3. Rotate the crankshaft on the V block to get the misalignment
(half of the measurement).
4. If the misalignment exceeds the allowable limit, replace the
crankshaft.
Crankshaft alignment Allowable limit
S-104
DIESEL ENGINE
0.15 to 0.31 mm
0.0059 to 0.012 in.
0.50 mm
0.020 in.
0.4 mm
0.016 in.
169.2 to 169.25 mm
6.6615 to 6.6633 in.
29.40 to 29.45 mm
1.158 to 1.159 in.
2.8 to 3.2 mm radius
0.11 to 0.12 in. radius
(0.8S)
W1066738
0.02 mm
0.0008 in.
W1067285