3. INSTALLATION OF THE SWITCHGEAR AT SITE 21
Installation principle:
The foundation frames are bolted together three
times along the longitudinal sections. Vertical
alignment is effected by jacking screws.
The frames are fastened to the floor by means of
brackets, which are welded to the frames after
alignment and screwed to the concrete floor.
Detailed description of installation
• Position the first foundation frame in the
correct location on the concrete floor.
• Position the shims
1
below the screws
2
.
Align the foundation frame vertically with the
four screws
1
, taking account of any deviation
in floor level in the direction of the foundation
frames which are still to be laid. Counter the
screws
2
with the nuts
3
after aligning the
frame.
• Position the second foundation frame and align
the frame as described for the first frame.
Screw the adjacent frames together using three
cheese head screws M 8 x 110 (M 8 x 140, if at
least one of the two frames to be bolted has a
width of 33.1 in) using two washers 8 and a
hexagon nut M 8 each.
• Align the foundation frame vertically as
described above.
• Install the following foundation frames in the
same way.
—
Fig. 3.2.1.2.1:
Installation of the
reinforced floor frame
front
rear
Frame with additional beams for panels
with inner cone connection system
1 234
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