Compact Tractor Operator's Manual

12-2
12. TIRES, WHEELS AND BALLAST
Ex2900 / 3200 Operator's Manual
Each tire size has specific adjustment settings that must
not be changed.
■ Checking the Wheel Bolt Tightening Torque
●After wheel tread adjustment or tire replacement, be
sure to tighten wheel bolts to the specified torque.
In addition, periodically check the wheel bolt torque
according to the following procedure:
Service Intervals
●Regular Interval : Before day's operation
●After adjusting the wheel tread or replacing the tires:
After 1 hour of operation and every 4 hours after that
until appropriate tightening torque values are reached
and maintained.
Specified Torque
(A) Rim
(B) Axle
(C) Bolt fixing the rim to the disk (Only R1 tire)
(D) Bolt fixing the disk to the axle
(E) Disk
Tire size
Tire air
pressure
Front
25X8.50-14(R4)(Industrial),6PR
50 psi (3.5 kgf/cm
2
)
25X8.50-14(R3)(Turf),4PR
22 psi (1.5 kgf/cm
2
)
7-14 (R1)(Agricultural),6PR
36 psi (2.5 kgf/cm
2
)
Rear
15-19.5 (R4) (Industrial),6PR
30 psi (2.1 kgf/cm
2
)
13.6-16(R3) (Turf),4PR
14 psi (1.0 kgf/cm
2
)
11.2-24 (R1) (Agricultural),4PR
18 psi (1.3 kgf/cm
2
)
2. Wheel Adjustment
WARNING
Bolt fixing the disk
to the axle
Front wheel 127-141 ft•lb
(172-191 N•m)
Rear wheel 123-151 ft•lb
(167-205 N•m)
Bolt fixing the rim to
the disk (Only R1 tire)
Rear wheel 146-205 ft•lb
(198-278 N•m)
Front wheel Rear wheel
(B)
(E)
(A) (B)
(E) (D)
(D)
(C)
B3013701