Maintenance
73
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11.5
Tightening Torques (Countersunk Screws)
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The tightening torque M
A
is stated in Nm
(unless otherwise indicated).
A = Thread size
(The stability class can be seen on the head of the
screw.)
A
Ø
5.6
8.8
10.9
12.9
MA (Nm)
M 4
2.5
3.5
4.1
M 5
4.7
7
8
M 6
8
12
15
M 8
20
29
35
M 10
23
39
58
67
M 12
34
68
100
116
M 14
108
160
188
M 16
168
248
292
M 20
340
488
568
A
BM 400 0234
NOTE
The table above applies only to countersunk screws with hexagonal socket heads and metric
threading that are tightened by the hexagonal socket head.
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11.6
Testing the screws on the tines
SW700030
1
Figure 44:
The tine screws (1) must be retightened to the specified tightening torque after they have been
used the first time.
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