Siemens 8BT2 Installation And Operating Instructions Manual page 31

The bolted copper
joints with strain
washer
M6
M8
M10
M12
M16
Bolting panels
together
Using the fixing
tools
881-4027.9 * INSTALLATION AND OPERATING INSTRUCTIONS 8BT2 * Revision 04
Tightening Control
torque tightening
torque
8 Nm 6.8 Nm
20 Nm 17 Nm
40 Nm 35 Nm
70 Nm 60 Nm
170 Nm 145 Nm
The panels are bolted together from inside. Set-nuts for interconnecting the panels are
pressed into the left part of the panel frame, i.e. the panels are bolted together from the right
side to the left panel.
The following illustration shows the panel joints in circles (fig16):
Fig16. Panel joints (marked in the illustration with a circle)
The fixing tools from the supplementary equipment facilitate bolting adjacent panels
together.
How to use the fixing tools:
Place the first panel at the right end.
Mount four fixing tools (pos.nr.
Fig17. Using the fixing tools to bolt panels together
The bolted steel joints
with contact washer
M6
M8
M10
M12
M16
in fig17) at the four corners (pos.nr.
Tightening Control
torque tightening
torque
13 Nm 9 Nm
30 Nm 26 Nm
60 Nm 51 Nm
105 Nm 90 Nm
260 Nm 221 Nm
in fig17).
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