
Maintenance
88
Pos : 27.9 /BA/Wartung/Drehmomente @ 14\mod_1227524875870_78.doc @ 169435
10.3
Torques
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 6.8 8.8 10.9 12.9
MA (Nm)
M 4
2.2
3
4.4
5.1
M 5
4.5 5.9
8.7
10
M 6
7.6 10
15
18
M 8
18
25
36
43
M 10
29 37
49
72
84
M12
42 64
85
125 145
M14
100 135 200 235
M14x1.5
145 215 255
M 16
160 210 310 365
M16x1.5
225 330 390
M 20
425 610 710
M 24
730 1050 1220
M 24x1.5
350
M 24x2
800 1150 1350
M 27
1100 1550 1800
M 27x2
1150 1650 1950
M30
1450 2100 2450
A
KR-1-130
Note
The table above does not apply to countersunk screws with a hexagonal
socket head if the countersunk screw is tightened with the hexagonal socket
head.
Pos : 27.10 /BA/Wartung/Muttern und Sc hrauben (50h) anzi ehen @ 0\mod_1196949864530_78.doc @ 15293
Note
Regularly check that nuts and bolts are tightly in place (approx. every 50
hours) and tighten them if necessary.
Pos : 27.11 /BA/Wartung/Selbstsic her nde M utter n grunds ätzlic h erneuer n @ 12\mod_1224746720607_78.doc @ 153477
Note
Self-locking nuts must always be replaced.
Pos : 27.12 /BA/-----Seitenumbruc h------ @ 0\mod_1196175311226_0.doc @ 4165