Assembling The Switchgear; Preparing Busbar Assembly - Siemens 8DB10 Installation And Operating Instructions Manual

Removing
the transport blocks
864-5091.9 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DB10 • Revision 06
22

Assembling the switchgear

NOTE
The activities described hereafter must be carried out by certified personnel who is familiar
with installation of switchgear type 8DB10.
➭ The switchgear must be assembled by certified personnel only.
The points the transport units are interconnected at are called panel joints hereafter.
Fig. 61: Term "panel joint"
Precondition: The transport units are standing in the switchgear room and are aligned for
assembly (see page 70, "Aligning the switchgear").
Procedure: Repeat the following operations for all transport units until final assembly.
22.1

Preparing busbar assembly

During transport, fixing brackets retain the busbars at the open flange connections of the
busbar housings. The fixing brackets are bolted together with the flanges of the busbar
housings and the busbar ends.
ATTENTION
If the switchgear is transported without transport blocks (fixing brackets), parts of the
switchgear may be damaged.
➭ Do not remove the transport blocks until right before assembly.
➭ Do not move the transport units over longer distances without transport blocks.
➭ Switch all three-position disconnectors of the transport units located on the right ③ and on
the left ② of the panel joint to READY-TO-EARTH position.
➭ If there are any make-proof busbar earthing switches: Switch the make-proof busbar
earthing switches to OPEN position.
➭ Remove the fixing brackets from all flanges at the panel joint.
① Transport unit on the right of the panel joint
② Panel joint
③ Transport unit on the left of the panel joint
Installation
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