Kubota M108DC, Operator'S Manual

Page: 70 / 124

50 TIRES, WHEELS AND BALLAST
TIRES, WHEELS AND BALLAST
TIRES
To avoid personal injury or death:
A
Do not attempt to mount a tire on a rim. This
should be done by a qualified person with the
proper equipment.
A
Always maintain the correct tire pressure.
Do not inflate tires above the recommended
pressure shown in the operator's manual.
A
Do not use tires other than those approved by
KUBOTA.
A
When optional different-diameter tires are fitted on the
machine, the travel speed display mode must be
changed. Otherwise the travel speed will not get
correctly displayed. Such mode switching is also
needed when the original tires are back on the
machine.
(See "PTO RPM / TRAVEL SPEED MONITOR" in
"OPERATING THE TRACTOR" section.)
B
Inflation Pressure
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.
A
Maintain the maximum pressure in front tires, if using
a front loader or when equipped with a full load of front
weights.
B
Dual Tires
Dual tires are approved for turf tire applications.
WHEEL ADJUSTMENT
To avoid personal injury or death:
A
When working on slopes or when working with
trailer, set the wheel tread as wide as practical
for maximum stability.
A
Support tractor securely on stands before
removing a wheel.
A
Do not work under any hydraulically supported
devices. They can settle, suddenly leak down,
or be accidentally lowered. If necessary to work
under tractor or any machine elements for
servicing or adjustment, securely support them
with stands or suitable blocking beforehand.
A
Never operate tractor with a loose rim, wheel,
or axle.
B
Front Wheels (with 4 wheel drive)
Front tread width can be adjusted as shown with the
standard equipped tires.
To change the tread width
1. Remove the wheel rim and disk mounting bolts.
2. Change the position of the rim and disk (right and left)
to the desired position, and tighten the bolts.
3. Adjust the toe-in [2 to 8mm]
See "Adjusting Toe-in" in "EVERY 200 HOURS" in
"PERIODIC SERVICE" section.
A
Always attach wheels as shown in the drawing.
A
If not attached as illustrated, transmission parts may
be damaged.
A
When re-fitting or adjusting a wheel, tighten the bolts
to the following torques then recheck after driving the
tractor 200m (200 yards) and thereafter according to
service interval. (See "MAINTENANCE" section.)
Tire sizes Inflation Pressure
Front
12.4R24 160 kPa (1.6 kgf/cm , 24 psi.)
13.6R24 160 kPa (1.6 kgf/cm , 24 psi.)
340 / 85R24 160 kPa (1.6 kgf/cm , 24 psi.)
Rear
16.9R34 120 kPa (1.2 kgf/cm , 18 psi.)
18.4R34 120 kPa (1.2 kgf/cm , 18 psi.)
480 / 70R34 120 kPa (1.2 kgf/cm , 18 psi.)
(1) 260 to 304 N-m (26.5 to 31 kgf-m)