Kubota EA330-E4 Series Workshop Manual page 121

EA330-E4, WSM
Oil Clearance between Idle Gear Shaft and 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 clearance exceeds the allowable limit, replace the
bushing.
4. If the clearance still exceeds the allowable limit with new
bushing, replace the idle gear shaft.
Factory specification
Oil clearance between
idle gear shaft and
bushing
Allowable limit
Idle gear shaft O.D.
Factory specification
Idle gear bushing I.D.
Replacing Idle Gear Bushing
(When removing)
1. Press out the bushings with an idle gear bushing replacing tool.
(When installing)
1. Clean the new bushings and bore, and apply engine oil to them.
2. Press in the bushing with an idle gear bushing replacing tool.
(Reference)
• Service parts dimension:
Factory specification
Oil clearance between
idle gear shaft and
bushing
Allowable limit
Idle gear shaft O.D.
Factory specification
Idle gear bushing I.D.
(A) When removing
1-S56
ENGINE
0.016 to 0.045 mm
0.00063 to 0.0017 in.
0.1 mm
0.004 in.
17.973 to 17.984 mm
0.70760 to 0.70803 in.
18.000 to 18.018 mm
0.70867 to 0.70937 in.
9Y1211018ENS0099US0
0.016 to 0.078 mm
0.00063 to 0.0030 in.
0.1 mm
0.004 in.
17.973 to 17.984 mm
0.70760 to 0.70803 in.
18.000 to 18.048 mm
0.70867 to 0.71055 in.
(B) When installing
9Y1211018ENS0100US0
KiSC issued 05, 2015 A