Tightening Torque - Krone Fortima F 1250 Original Operating Instructions

Maintenance
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13.8

Tightening Torque

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Tightening torque M
otherwise indicated).
A Ø
M 4
M 5
M 6
M 8
M 10
M12
M14
M14x1.5
M 16
M16x1.5
M 20
M 24
M 24x1.5
M 24x2
M 27
M 27x2
M30
NOTE
The table above does not apply to countersunk screws with hexagonal socket in case the
countersunk screw is tightened via hexagonal socket.
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Note
Regularly check that nuts and bolts are tightly in place (approx. every 50 hours) and tighten
them if necessary.
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290
in Nm (unless
A
5.6 6.8 8.8 10.9 12.9
M (Nm)
A
2.2 3 4.4
4.5 5.9 8.7
7.6 10 15
18 25 36
29 37 49 72
42 64 85 125
100 135 200
145 215
160 210 310
225 330
425 610
730 1050 1220
350
800 1150 1350
1100 1550 1800
1150 1650 1950
1450 2100 2450
A = Thread size
(the stability class can be seen on the head of the
screw).
5.1
10
18
43
84
145
235
255
365
390
710