Maintenance
227
Pos: 34.17 /Überschri ften/Überschri ften 2/A-E/Anzugsdre hmomente über Innensechska nt @ 45\mod_127710641576 5_78.doc @ 411230
11.5 Tightening Torques (Countersunk Screws)
Pos: 34.18 /BA/W artung/Drehmomente / Anzugsm omente/Drehmomente über Innensechskant @ 45\ mod_1277106232328_78. doc @ 411205
The tightening torque MA is stated in Nm
(unless otherwise indicated).
A = Thread size
(The stability class can be seen on the head of the
screw.)
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.
Pos: 34.19 /BA/W artung/Muttern und Schraube n (50h) anziehen @ 0\mod_11969 49864530_78.doc @ 15293
Note
Regularly check that nuts and bolts are tightly in place (approx. every 50 hours) and tighten
them if necessary.
Pos: 34.20 /BA/-----Seitenumbruch------ @ 0\mod_1196175311226_ 0.doc @ 4165
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