Appendix
Tightening torques
NOTE
•
The tightening torques only serve as guidelines and are generally valid. Actual data given at the
corresponding points in the operating instructions have priority.
•
Screws and nuts must thereby not be treated with lubricant, since this would change the friction value.
Metric screws
Tightening torques - metric screws in Nm
Size
ø mm
Pitch
mm
Screw design - strength classes
wheel nuts
4.8
5.8
8.8
10.9
12.9
3
0.50
0.9
1.1
1.8
2.6
3.0
4
0.70
1.6
2.0
3.1
4.5
5.3
5
0.80
3.2
4.0
6.1
8.9
10.4
6
1.00
5.5
6.8
10.4
15.3
17.9
7
1.00
9.3
11.5
17.2
25
30
8
1.25
13.6
16.8
25
37
44
8
1.00
14.5
18
27
40
47
10
1.50
26.6
33
50
73
86
10
1.25
28
35
53
78
91
12
1.75
46
56
86
127
148
12
1.25
50
62
95
139
163
14
2.00
73
90
137
201
235
14
1.50
79
96
150
220
257
16
2.00
113
141
214
314
369
16
1.50
121
150
229
336
393
18
2.50
157
194
306
435
509
18
1.50
178
220
345
491
575
300
20
2.50
222
275
432
615
719
20
1.50
248
307
482
687
804
22
2.50
305
376
502
843
987
22
1.50
337
416
654
932
1090
510
24
3.00
383
474
744
1080
1240
24
2.00
420
519
814
1160
1360
27
3.00
568
703
1000
1570
1840
27
2.00
615
760
1200
1700
1990
30
3.50
772
995
1500
2130
2500
30
2.00
850
1060
1670
2370
2380
70
