Kubota GR1600EC2, Workshop Manual, Page: 108 / 241

1-S41
GR1600EC2, WSM ENGINE
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.
W11312720
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.
W11324040
Oil Clearance of Camshaft Journal
1. Measure the camshaft journal O.D. with an outside micrometer.
2. Measure the cylinder block bore I.D. for camshaft with a cylinder
gauge, and calculate the oil clearance.
3. If the oil clearance exceeds the allowable limit, replace the
camshaft.
W11335580
Camshaft alignment Allowable limit
0.01 mm
0.0004 in.
Cam height of intake
and exhaust
Factory spec.
26.88 mm
1.0583 in.
Allowable limit
26.83 mm
1.0563 in.
Oil clearance of
camshaft journal
Factory spec.
0.050 to 0.091 mm
0.00197 to 0.00358 in.
Allowable limit
0.15 mm
0.0059 in.
Camshaft journal O.D. Factory spec.
32.934 to 32.950 mm
1.29661 to 1.29724 in.
Camshaft bearing I.D.
(Cylinder block bore
I.D.)
Factory spec.
33.000 to 33.025 mm
1.29921 to 1.30020 in.
KiSC issued 07, 2006 A