FLENDER ARPEX ARC-10, Operating Instructions Manual, Page: 24 / 36

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ARPEX 8704 en
Operating instructions 01/2019
4
1
2
3
Fig. 16: U­spacer with close­fitting bolts (ARC­8)
1 Marking on balanced spacer Spacer,
during fitting, the balance marks must be
one above the other 2 Fitting bore
3 Flanged nut
4 Close-fitting bolt - 10.9
Table 5: Tightening torques for connecting and clamping bolts
Thread
Tightening torque T
A
Standard screw
+ standard nut to DIN
and ISO
Tightening torque T
A
Standard screw
+ locking nut to DIN 980
See figure 15
Tightening torque T
A
Close-fitting bolt
+ collar nut
Tensioning bolt
Strength class 8.8 Strength class 8.8 Strength class 10.9
M 5 5 Nm 6 Nm 7 Nm
M 6 9 Nm 11 Nm 12 Nm
M 8 20 Nm 25 Nm 30 Nm
M 10 41 Nm 50 Nm 60 Nm
M 12 70 Nm 80 Nm 100 Nm
M 14 110 Nm 125 Nm 160 Nm
M 16 170 Nm 195 Nm 250 Nm
M 18 235 Nm 260 Nm 350 Nm
M 20 330 Nm 370 Nm 480 Nm
M 22 450 Nm 500 Nm 660 Nm
M 24 570 Nm 640 Nm 850 Nm
M 27 840 Nm 920 Nm 1200 Nm
M 30 1140 Nm 1200 Nm 1700 Nm
M 36 2000 Nm 2100 Nm 3100 Nm