Oil Clearance Of Camshaft Journal; Oil Clearance Between Idle Gear Shaft 1, 2 And Idle Gear 1, 2; Bushing; Replacing Idle Gear Bushing - Kubota KX080-3 Workshop Manual

WSM KX080-3 Service

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 an inside
micrometer.
3. If the clearance exceeds the allowable limit, replace the
camshaft.
Factory spec.
Oil clearance of
camshaft journal
Allowable limit
Camshaft journal O.D. Factory spec.
Camshaft bearing I.D. Factory spec.

Oil Clearance between Idle Gear Shaft 1, 2 and Idle Gear 1, 2

Bushing

1. Measure the idle gear shaft O.D. with an outside micrometer.
2. Measure the idle gear bushings I.D. with an inside micrometer,
and calculate the oil clearance.
3. If the oil clearance exceeds the allowable limit, replace the
bushing.
Factory spec.
Oil clearance between
idle gear 1, 2 shaft and
idle gear 1, 2 bushing
Allowable limit
Idle gear 1, 2 bushing
Factory spec.
I.D.
Idle gear 1, 2 shaft O.D. Factory spec.

Replacing Idle Gear Bushing

(When removing)
1. Using an idle gear bushing replacing tool, press out the used
bushing.
(When installing)
1. Clean a new idle gear bushing and idle gear bore, and apply
engine oil to them.
2. Using an idle gear bushing replacing tool, press in a new
bushing (service parts) to the specified dimension. (See figure.)
(A) When Removing
III-S-154
0.050 to 0.091 mm
0.0020 to 0.0036 in.
0.15 mm
0.0059 in.
45.934 to 45.950 mm
1.8084 to 1.8091 in.
46.000 to 46.025 mm
1.8110 to 1.8120 in.
W1064798
0.050 to 0.091 mm
0.0020 to 0.0036 in.
0.10 mm
0.0039 in.
45.025 to 45.050 mm
1.7726 to 1.7736 in.
44.959 to 44.975 mm
1.7700 to 1.7707 in.
W1064968
(B) When Installing
W10302410
Engine