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DRIVING TORQUES FOR SCREWS AND NUTS
4.4 DRIVING TORQUES FOR SCREWS AND NUTS
4.4.1 STANDARD DRIVING TORQUES
Thread
Pitch
diameter (mm)
(mm)
6
8
1.25
10
12
1.75
14
16
18
20
22
24
27
30
IMPORTANT
This driving torque table is not valid for screws or nuts that must lock parts made of nylon or similar ma-
q
terials on to washers or components made of nylon or nonferrous materials.
4.4.2 SPECIFIC DRIVING TORQUES
ITEM
Cab
Engine
Wheels
162
Spanner size
(mm)
1
10
13
1.5
17
19
2
22
2
24
2.5
27
2.5
30
2.5
32
3
36
3
41
3.5
46
Rear fastening screws
Front support central screw
Rear support central screw
Front
Rear
8.8
kgm
0.96 ± 0.1
2.3 ± 0.2
4.6 ± 0.5
7.8 ± 0.8
12.5 ± 1
19.5 ± 2
27 ± 3
38 ± 4
52 ± 6
66 ± 7
96 ± 10
131 ± 14
1287 ± 140
DESCRIPTION
Nm
kgm
9.5 ± 1
1.3 ± 0.15
23 ± 2
3.2 ± 0.3
45 ± 4.9
6.5 ± 0.6
77 ± 8
11 ± 1
122 ± 13
17.5 ± 2
191 ± 21
27 ± 3
262 ± 28
37 ± 4
372 ± 40
53 ± 6
511 ± 57
73 ± 8
644 ± 70
92 ± 10
945 ± 100
135 ± 15
184 ± 20
kgm
10 ± 0.75
6.75 ± 0.75
6.75 ± 0.75
19 ± 1
19 ± 1
10.9
Nm
13.5 ± 1.5
32.2 ± 3.5
63 ± 6.5
108 ± 11
172 ± 18
268 ± 29
366 ± 36
524 ± 57
719 ± 80
905 ± 98
1329 ± 140
1810 ± 190
Nm
98 ± 7.3
66 ± 7.3
66 ± 7.3
186 ± 9.8
186± 9.8
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