GEDA
®
1500 Z / ZP
Page 20 of 114
Rev.: 004
BL 076 GB
Translation of the original operating manual
2011 / 03
3.7
Tightening torques
3.7.1
Mechanical fittings without tightening-torque control
All information refers to bolts in strength class 8.8
Tightening
torque
Tightening
torque
M 8
25 Nm
M 16
210 Nm
M 10
49 Nm
M 18
300 Nm
M 12
86 Nm
M 20
425 Nm
M 14
135 Nm
M 24
710 Nm
3.7.2
Mechanical screw connections with torque control
Mast elements to one another
150 Nm
Tightening torque
Mast tubes
50 Nm
T
ightening torque
3.7.3
Electrical screw connections (metal screw connections)
Tightening
torque
Tightening torque
M 4
1.2 Nm
M 12 15.5 Nm
M 5
2 Nm
M 16 30 Nm
M 6
3 Nm
M 20 52 Nm
M 8
6 Nm
M 24 52 Nm
M 10
10 Nm
M 30 52 Nm
3.8
Safety distance to live wires
The table below shows the minimum safety distances between each
machine component and live, non-insulated wires. Observe the country
specific regulations.
Voltage
Minimum distance
0 – 300 V
Avoid contact
> 300 V to 50 kV
3.0 m
> 50 kV to 200 kV
4.5 m
> 200 V to 350 kV
6.0 m
> 350 V to 500 kV
8.0 m
> 500 V to 750 kV
11.0 m
> 750 V to 1000 kV
14.0 m
