17
1-12
Fastening of each part
●
Bolts and nuts may be loosened after repeated use of the machine. Be sure to inspect and retighten them by the specified torque.
● Tighten the following bolts and nuts by the following specified torques.
Part
Code No.
Part name
Quantity
Appropriate tightening torque
Remarks
N . m
(kgf .
cm)
3WD front wheel
K0014120602
12 heat-treated bolt 60P1.5
4
67-85
(670-850)
K0014120452
12 heat-treated bolt 50P1.5
4
67-85
(670-850)
K0160000492
24 Special nut P1.5
1
180-200
(1800-2000)
Front wheel arm
K0013100502
10 heat-treated bolt 50
1
29-38
(290-380)
Rear wheel
K0034120302
12 heat-treated 8T bolt 30P1.5
4
67-85
(670-850)
K0160000492
24 Special nut P1.5
2
180-200
(1800-2000)
● Tighten other bolts and nuts by the following specified torques.
Nominal
diameter
Appropriate tightening torque [Normal bolt Hardness classification 4.8]
Nominal
diameter
Appropriate tightening torque [Heat-treated bolt Hardness classification 10.9]
N . m
(kgf .
cm)
N . m
(kgf .
cm)
M5
3-5
(30-50)
M6
14-18
(140-180)
M6
7-9
(70-90)
M8
28-38
(280-380)
M8
14-19
(140-190)
M10
58-76
(580-760)
M10
29-38
(290-380)
M12
104-134
(1040-1340)
M12
52-67
(520-670)
M14
140-188
(1400-1880)
M14
70-94
(700-940)
M16
210-260
(2100-2600)
●
Open the front cover to check whether the steering chain
is loose (refer to
6-3
) or damaged.
1-10
Inspection of the steering chain
1-11
Oil cooler
Be sure to clean off any dust that
adheres to the oil cooler. If you
operate the machine in a dusty
area, clean the oil cooler more
frequently than usual.
●
Failure to clean
the oil cooler will
cause the hydraulic
equipment to fail.
Oil cooler
●
Make sure that the brake wires are not cracked or
damaged.
●
Make sure that the parking brake works on a slope
and that the brake does not make any noise when it is
released. If you notice any irregularities with regard to
the performance of the brakes, adjust the brake wires
(refer to
6-4
) and inspect the parking brake.
1-9
Inspection of the brakes
1-8
Inspection of the tires
●
Check the tire pressure, and inspect the tires for cracks, damage, and
unusual wear.
Tire pressure
kPa
(kgf/cm
2
)
Front wheel
70
(0.7)
Rear wheel
40
(0.4)
