Installing The Transport Unit - Siemens 8DA Installation Instructions Manual

Preparing the flanges of the
busbar housings
Positioning the transport
unit
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!
Check alignment and parallel position of the assembled busbar sections and correct,
if required.
Fig. 15: Flange on the busbar housing
!
Clean all vertical flanges of the busbar housings at the panel joint and the grooves for
the sealing rings carefully with lint-free paper.
!
Carefully check the external contact surfaces
for scratches, other damages or pollution. Damages and pollution will cause leaks.
!
If any external contact surfaces or grooves are damaged: Inform the Siemens
Service Centre and co-ordinate the elimination of damages.
!
Apply a thin film of the supplied mounting paste on the external contact surfaces of
the flanges and the O-rings (sealing rings). To do this, apply a grease strip of approx.
3 mm thickness on the external contact surfaces of the flanges.
!
Put the O-rings into the grooves of the flanges.
7.2

Installing the transport unit

The transport unit to be attached is moved evenly by two people if possible, using
hydraulic or lifting jacks. A third person is the observer and corrects the joining of the
busbar section and the flanges during the process.
ATTENTION!
When joining the transport units, the busbar supports may be damaged.
!
Join the transport units carefully.
!
Observe the position of the busbar supports.
a
External contact surface of the flange
s Groove for O-ring
a
of the flanges and the grooves
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