Kubota B3350HSDC User Manual

ENGINE
B2650HSDC, B3350HSDC, WSM
1-S55
(4) Crankshaft
Crankshaft Side Clearance
1. Set a dial indicator with its point on the end of the crankshaft.
2. Move the crankshaft to the front and rear to measure the side
clearance.
3. If the measurement is more than 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.
(Reference)
• Oversize dimensions of crankshaft journal
9Y1210822ENS0106US0
Crankshaft Alignment
1. Support the crankshaft with V blocks on the surface plate at
both end journals.
2. Set a dial indicator with its tip on the intermediate journal.
3. Measure the crankshaft alignment.
4. If the measurement exceeds the allowable limit, replace the
crankshaft.
9Y1210822ENS0107US0
Crankshaft side
clearance
Factory specification
0.15 to 0.31 mm
0.0059 to 0.012 in.
Allowable limit
0.50 mm
0.020 in.
Oversize
0.2 mm
0.0079 in.
0.4 mm
0.016 in.
Dimension A
51.50 to 51.70 mm
2.028 to 2.035 in.
51.60 to 51.80 mm
2.032 to 2.039 in.
Dimension B
28.20 to 28.25 mm
1.111 to 1.112 in.
28.40 to 28.45 mm
1.119 to 1.120 in.
Dimension C
2.3 to 2.7 mm radius
0.091 to 0.10 in. radius
2.3 to 2.7 mm radius
0.091 to 0.10 in. radius
The crankshaft journal must be fine-finished to higher than Rmax = 0.8S
Crankshaft alignment Allowable limit
0.02 mm
0.0008 in.
KiSC issued 05, 2014 A

Kubota B3350HSDC Specifications

General

Brand	Kubota
Model	B3350HSDC
Category	Tractor
Language	English