Kubota WSM STa-30, Workshop Manual

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6-S15
ST
α
-30 · ST
α
-35, WSM FRONT AXLE
Backlash between 7T Pinion Shaft and 41T Bevel Gear
1. Stick a strip of fuse to three spots on the 41T bevel gear (1) with
grease.
2. Fix the gear case cover and gear case.
3. Turn the axle.
4. Remove the gear case cover from gear case and measure the
thickness of the fuses with an outside micrometer.
5. If the backlash is not within the factory specification, adjust with
shim (3).
(Reference)
• Thickness of adjusting shims (3) :
1.2 mm (0.047 in.) 1.4 mm (0.055 in.)
1.3 mm (0.051 in.)
W1019061
Clearance between Front Axle Case Bosses and Bracket
Bushings
1. Measure the front axle case bosses O.D..
2. Measure the bracket bushing I.D. 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.
■
Press-fitting Bushing
• When press-fitting a new bushing, observe the dimension
described in the figure.
NOTE
■
• After replacing the bushing, be sure to adjust the front axle
rocking force.
W1019469
Backlash between 7T
pinion shaft and 41T
bevel gear
Factory spec.
0.15 to 0.33 mm
0.0059 to 0.0130 in.
(1) 41T Bevel Gear
(2) 7T Pinion Shaft (3) Shim
Clearance between front
axle case bosses and
bracket bushings
Factory spec.
0.025 to 0.140 mm
0.00098 to 0.00551 in.
Allowable limit
0.25 mm
0.0098 in.
Front axle case bosses
O.D.
Factory spec.
61.945 to 61.975 mm
2.43878 to 2.43996 in.
Bracket bushings I.D. Factory spec.
62.000 to 62.094 mm
2.44094 to 2.44465 in.
Press-fitting depth of
bushing (A)
Factory spec.
12.0 mm
0.47 in.
(1) Bushing
KiSC issued 11, 2006 A