Kubota B1830 Workshop Manual page 344

B1830,B2230,B2530,B3030, WSM
Clearance between Front Axle Case Bosses and Bracket
Bushing
1. Measure the front axle case bosses O.D. with an outside
micrometer.
2. Measure the bracket Bushing I.D. with a cylinder gauge, and
calculate the clearance.
3. If the clearance exceeds the allowable limit, replace the bracket
bushing.
4. If the clearance still exceeds the allowable limit, replace the
front axle case.
Clearance between front
Factory specification
axle case boss (front)
and bracket bushing
Allowable limit
(front)
Front axle case boss
Factory specification
(front) O.D.
Bracket bushing (front)
Factory specification
I.D.
Clearance between front
Factory specification
axle case boss (rear)
and bracket bushing
Allowable limit
(rear)
Front axle case boss
Factory specification
(rear) O.D.
Bracket bushing (rear)
Factory specification
I.D.
Press-fitting Bushing
• When replacing the bushings (1), press-fit it until bushing
contact to inside of the front axle bracket holder.
• Apply grease to the O-rings (2) and take care not to damage it.
NOTE
• After replacing the bushing, be sure to adjust the front axle
rocking force. (See page 6-S4.)
(1) Bushing
6-S15
FRONT AXLE
0.125 to 0.280 mm
0.0049 to 0.0110 in.
0.45 mm
0.018 in.
49.950 to 49.975 mm
1.9665 to 1.9675 in.
50.10 to 50.23 mm
1.9722 to 1.9774 in.
0.090 to 0.250 mm
0.0035 to 0.0098 in.
0.45 mm
0.018 in.
64.94 to 64.97 mm
2.5567 to 2.5579 in.
65.06 to 65.19 mm
2.5614 to 2.5665 in.
(2) O-ring
9Y1210003FBS0023US0
KiSC issued 05, 2012 A