Kubota WSM B2050 Workshop Manual page 139

B2050, B2350, B2650, B3150, WSM
Idle Gear 1 and 2 Side Clearance
1. Set a dial indicator with its tip on the idle gear.
2. Measure the side clearance by moving the idle gear to the front
and rear.
3. If the measurement exceeds the allowable limit, replace the idle
gear collar.
Factory specification
Idle gear 1 and 2 side
clearance
Allowable limit
Camshaft Side Clearance
1. Set a dial indicator with its tip on the camshaft.
2. Measure the side clearance by moving the cam gear to the front
to rear.
3. If the measurement exceeds the allowable limit, replace the
camshaft stopper.
Factory specification
Camshaft side clearance
Allowable limit
Camshaft Alignment
1. Support the camshaft 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 camshaft alignment.
4. If the measurement exceeds the allowable limit, replace the
camshaft.
Camshaft alignment Allowable limit
Cam Height
1. Measure the height of the cam at its highest point with an
outside micrometer.
2. If the measurement is less than the allowable limit, replace the
camshaft.
Factory specification
Cam height of intake
Allowable limit
Factory specification
Cam height of exhaust
Allowable limit
1-S50
ENGINE
0.20 to 0.51 mm
0.0079 to 0.020 in.
0.8 mm
0.031 in.
9Y1210982ENS0090US0
0.070 to 0.22 mm
0.0028 to 0.0086 in.
0.30 mm
0.012 in.
9Y1210982ENS0091US0
0.01 mm
0.0004 in.
9Y1210982ENS0092US0
28.80 mm
1.134 in.
28.75 mm
1.132 in.
29.00 mm
1.142 in.
28.95 mm
1.140 in.
9Y1210982ENS0093US0
KiSC issued 03, 2014 A