wsm Kubota L4100 Workshop Manual page 119

L4100, WSM
Idle Gear 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 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
Oil Clearance between Idle Gear Shaft and Idle Gear Bushing
1. Measure the idle gear shaft O.D. with an outside micrometer.
2. Measure the idle gear bushing I.D. with an inside micrometer,
and calculate the oil clearance.
3. If the oil clearance exceeds the allowable limit, replace the
bushing.
If it still exceeds the allowable limit, replace the idle gear shaft.
Factory specification
Oil clearance between
idle gear shaft and idle
gear bushing
Allowable limit
Idle gear shaft O.D. Factory specification
Idle gear bushing I.D. Factory specification
Replacing Idle Gear Bushing
(When removing)
1. Press out the used idle gear bushing using an idle gear bushing
replacing tool.
(When installing)
1. Clean a new idle gear bushing and idle gear bore, and apply
engine oil to them.
2. Press in a new bushing using an idle gear bushing replacing
tool, until it is flush with the end of the idle gear.
(A) When Removing
1-S47
ENGINE
0.15 to 0.25 mm
0.0059 to 0.0098 in.
0.90 mm
0.035 in.
9Y1210278ENS0127US0
0.070 to 0.22 mm
0.0028 to 0.0086 in.
0.30 mm
0.012 in.
9Y1210278ENS0073US0
0.025 to 0.066 mm
0.00099 to 0.0025 in.
0.10 mm
0.0039 in.
37.959 to 37.975 mm
1.4945 to 1.4950 in.
38.000 to 38.025 mm
1.4961 to 1.4970 in.
9Y1210278ENS0074US0
(B) When Installing
9Y1210278ENS0075US0
KiSC issued 08, 2012 A
(EU)