Safety
8
Screwed
connections
Use original parts
Machine components have special properties that are essential for the
stability and correct operation of the machine. Only spare parts and
accessories supplied by the manufacturer have been tested and
approved. Other products may adversely affect the correct operation
of the machine and safety. The use of non-OEM replacement parts
renders the manufacturer's guarantee null and void and frees the
manufacturer from all liability.
On this machine, bolts with a minimum quality of "8.8" (can be seen
on the bolt head) are used.
Tightening torques
Tighten all screwed connections in accordance with the table below,
should no other torques be specified. The torque specifications refer
to a dry coefficient of friction (0.12).
Tighten safety bolts and lock nuts
to a 10 % higher value.
Observe the torque specifications
Securely tighten screws, nuts and bolts to the specified torques.
Incorrectly tightened screwed connections can loosen or become
jammed. This could result in machine damage or injury.
Bolt size
Bolt quality
8.8
10.9
12.9
M 6
9.9 Nm (7.3 ft.lbs)
14 Nm (10.3 ft.lbs)
17 Nm (12.5 ft.lbs)
M 8
24 Nm (17.7 ft.lbs)
34 Nm (25 ft.lbs)
41 Nm (30.3 ft.lbs)
M 10
48 Nm (35.4 ft.lbs)
68 Nm (50.2 ft.lbs)
81 Nm (59.8 ft.lbs)
M 12
85 Nm (62.7 ft.lbs)
120 Nm (88.6 ft.lbs)
145 Nm (107 ft.lbs)
M 14
135 Nm (99.6 ft.lbs)
190 Nm (140 ft.lbs)
230 Nm (166 ft.lbs)
M 16
210 Nm (155 ft.lbs)
290 Nm (214 ft.lbs)
350 Nm (258 ft.lbs)
M 20
410 Nm (302 ft.lbs)
580 Nm (428 ft.lbs)
690 Nm (509 ft.lbs)
