Maintenance
176
Pos: 31.8 /BA/W artung/Drehm omente / Anzug smomente/Dre hmomente @ 14\mod_12275 24875870_78.d oc @ 16943 5
13.3 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.)
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: 31.9 /BA/W artung/Muttern und Schraub en (50h) anzie hen @ 0\mod_ 11969498645 30_78.doc @ 15293
Note
Regularly check that nuts and bolts are tightly in place (approx. every 50 hours) and tighten
them if necessary.
Pos: 31.10 /BA/-- ---Seitenum bruch------ @ 0\m od_119617531 1226_0.doc @ 4165
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