Kubota WSM STa-30, Workshop Manual

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G-39
ST
α
-30 · ST
α
-35, WSM G GENERAL
10. TIRES
[1] TIRE PRESSURE
CAUTION
• Do not attempt mount a tire. This should be down by a qualified person with the proper equipment.
• Always maintain the correct tire pressure.
Do not inflate tires above the recommended pressure as shown below.
IMPORTANT
■
• Do not use tires larger than specified.
• When you intend to mount different size of tires from equipped ones, consult your distributor about front
drive gear ratio for detail.
Excessive wear of tires may occur due to improper gear ratio.
Though the tire pressure is factory-set to the prescribed level, it naturally drops slowly in the course of time.
Thus, check it everyday and inflate as necessary.
[2] TREAD
CAUTION
• Support tractor securely on stands before removing a wheel.
• Never operate tractor with a loose rim, wheel or axle.
IMPORTANT
■
• Always attach tires as shown in the figure. (See page G-40.)
• If not attached as the figure, transmission parts may be damaged.
• Do not use tires larger than specified.
Wheel Tightening Screws and Nuts
1. When refitting or adjusting a wheel, tighten the screws and nuts
with specified tightening torque.
2. Recheck after driving the tractor 200 m (200 yards) and therefore
according to service interval.
W1032716
Type Tire sizes Inflation pressure
Farm
Front
6 – 12 4PR
200 kPa
2.0 kgf/cm
2
28.4 psi
6.00 – 12 4PR
180 kPa
1.8 kgf/cm
2
25.6 psi
Rear
9.5 – 22 4PR
140 kPa
1.4 kgf/cm
2
19.9 psi
12.4 – 16 4PR
120 kPa
1.2 kgf/cm
2
17.1 psi
Turf
Front 24
×
8.50 – 14 4PR
160 kPa
1.6 kgf/cm
2
22.8 psi
Rear 13.6 – 16 4PR
96.5 kPa
1.0 kgf/cm
2
14 psi
Tightening torque
Front wheel mounting
screw and nut
85 N·m
9.0 kgf·m
65.1 ft-lbs
Rear wheel mounting
screw and nut
215 N·m
22.0 kgf·m
159.1 ft-lbs
(1) Front Wheel (2) Rear Wheel
KiSC issued 11, 2006 A