29
8.4 Tightening torques
Tightening torques of fasteners in components such as motors gearboxes etc. should be tightened
according the manufactures documentation. Other fasteners are according to below tables.
Normal bolt nut connections shall be fastened according to torque table 1. All custom threads (For
example support and suspension bolts, wheel shafts, guide roller shafts, etc.) shall be fastened
according to torque table 2.
All bolts are of 8.8 quality unless otherwise noted.
Torque (Nm)
8.8
10.9
12.9
A4-70
A4-80
M3
2,1
3,5
3,8
1,5
1,7
M4
4,4
7
7,6
3
3,6
M5
8
12,5
13,6
5,5
6,7
M6
13,2
20,1
21,8
8,1
11,2
M8
30
44
47
18
21
M10
49
73
93
26
34
M12
83
121
151
41
62
M14
131
188
232
68
101
M16
167
281
342
108
157
M18
275
388
467
157
224
M20
382
534
638
223
318
M22
517
719
852
310
438
M24
652
902
1.064
397
558
M27
945
1.297
1.519
589
823
M30
1.286
1.755
2.042
815
1.132
M33
1.722
2.340
2.710
-
-
M36
2.219
3.003
3.463
1.445
1.993
M39
2.852
3.845
4.415
-
-
M42
3.525
4.740
5.429
-
-
Torque table 1
Torque (Nm)
M8
13
M10
26
M12
45
M16
110
M20
210
M24
365
M30
725
M36
1.265
M39
1.545
M42
1.890
Torque table 2
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Summary of Contents for PKB Series
Page 44: ...44 10 ton N100 16 ton N160 44 ...
Page 45: ...45 20 ton N200 25 ton N250 45 ...