Removing The Transport Protection - Siemens SIPROTEC 7UT613 series Manual

Differential protection
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3.1.3.4

Removing the Transport Protection

7UT613/63x Manual
C53000-G1176-C160-2
• Alternatively, there is the possibility to connect the aforementioned earthing to the
lateral grounding surface with at least one M4 screw.
• Connections according to the circuit diagram via screw terminals, connections for
optical fibres and electrical communication modules via the console housing. The
SIPROTEC 4 System Description /1/ has pertinent information regarding wire size,
lugs, bending radii, etc. Installation notes are also given in the brief reference
booklet attached to the device.
Devices in housings size
with a transport protection (Figure 3-20). This protection must not be removed until the
device has arrived at its final place of use.
Figure 3-20
View of a housing with transport protection (without front cover nor boards)
• Remove the 4 covers at the corners and the 2 covers in the centre above and below
on the front cover to reveal 6 elongated holes.
• Loosen the 6 screws (2) in the elongated holes.
• Remove all other screws on the rails (1) and remove the top and bottom rails.
• Loosen the 2 screws each (4) in the elongated holes on the right and left side walls
(3), and remove the side walls.
• Firmly tighten again all 10 screws that you loosened.
• Attention! If the device is pre-mounted, e.g. on a mounting panel, and secured with
a transport protection, do not remove all bolts at once. In such a case, remove only
one bolt at a time and immediately re-screw the device to the mounting panel at the
place where you removed the bolt.
• Remove the nuts and washers (6) from the 4 bolts (5), and remove the bolts.
• The device can now be secured to the panel with four screws.
1
/
(7UT633 and 7UT635) for surface mounting are delivered
1
3.1 Mounting and Connections
373

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