Maintenance
66
Pos: 30.10 /Überschrif ten/Überschrif ten 2/A-E/A nzugsdrehmom ente @ 45\mod_ 12771030939 68_78.doc @ 410970
10.4 Tightening Torques
Pos: 30.11 /BA/ Wartung/Dreh momente / Anzugs momente/Dreh momente @ 45\ mod_1277102 920578_78.doc @ 410945
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 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
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: 30.12 /BA/ Wartung/Muttern und Schrau ben(5 0h) anziehe n@ 0\mod_1 196949864530_7 8.doc @ 1529 3
Note
Regularly check that nuts and bolts are tightly in place (approx. every 50 hours) and tighten
them if necessary.
Pos: 30.13 /BA/--- --Seitenumbruc h------ @ 0\mo d_119617531 1226_0.doc @ 41 65