Kubota WSM L3560, Workshop Manual

Page: 230 / 801

ENGINE
L3560, L4060, L4760, L5060, L5460, L6060, WSM
1-S83
Side Clearance of Camshaft
1. Set a dial indicator with its point on the camshaft.
2. Move the cam gear to the front and rear to measure the side
clearance.
3. If the measurement is more than the allowable limit, replace the
camshaft stopper.
9Y1210824ENS0084US0
Camshaft Bend
1. Hold the 2 end journals of camshaft with V blocks on the surface
plate.
2. Set a dial indicator with its point on the middle journal.
3. Turn the camshaft slowly and read the variation on the indicator.
4. If the measurement is more than the allowable limit, replace the
camshaft.
9Y1210824ENS0085US0
Cam Height
1. Measure the height of the cam at its highest point with an
external micrometer.
2. If the measurement is less than the allowable limit, replace the
camshaft.
9Y1210824ENS0086US0
Oil Clearance of Camshaft Journal
1. Measure the camshaft journal O.D. with an external micrometer.
2. Measure the cylinder block bore I.D. for the camshaft with a
cylinder gauge.
3. Calculate the oil clearance.
4. If the oil clearance is more than the allowable limit, replace the
camshaft.
9Y1210824ENS0087US0
Side clearance of
camshaft
Factory specification
0.070 to 0.22 mm
0.0028 to 0.0086 in.
Allowable limit
0.30 mm
0.012 in.
Camshaft bend Allowable limit
0.01 mm
0.0004 in.
Cam height of intake
Factory specification
33.90 mm
1.335 in.
Allowable limit
33.85 mm
1.333 in.
Cam height of exhaust
Factory specification
33.90 mm
1.335 in.
Allowable limit
33.85 mm
1.333 in.
Oil clearance of
camshaft journal
Factory specification
0.050 to 0.091 mm
0.0020 to 0.0035 in.
Allowable limit
0.15 mm
0.0059 in.
Camshaft journal O.D. Factory specification
39.934 to 39.950 mm
1.5722 to 1.5728 in.
Cylinder block bore I.D. Factory specification
40.000 to 40.025 mm
1.5748 to 1.5757 in.
KiSC issued 03, 2016 A