Operation With Hv Door Open; Withdrawable Unit; Disconnecting The Lv Connector; Removing The Withdrawable Unit - Siemens 8BK30 Operation And Maintenance Instructions

Operation
3.4
3.3.1
3.4.1 ( 17)
3.4.1.1
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3.4.1.2
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3.4.1.3
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16 1

3.4 Operation with HV door open

Open HV the door as described under 3.3.1
3.4.1 Withdrawable unit (Fig.17)

3.4.1.1 Disconnecting the LV connector

• Disconnect the LV connector (1) from the connector base
on the withdrawable unit. For this purpose swing clip 2
(2)
upwards.
• Withdraw the LV connector and insert the metal hose
into the holder.

3.4.1.2 Removing the withdrawable unit

The withdrawable unit runs on ball bearings inside the
panel across a rail fixed in position by means of floor plate.
When racking out, the withdrawable unit slides from the
rail onto automatically folding out wheels and thus
becomes a trolley when removed from the panel. This
sequence of motion takes place in reserve order in the
same way when the withdrawable unit is racked in.
• Mark the withdrawable unit and the associated
switchpanel.
• Hold the frontplate of the withdrawable unit on top left
and withdraw the unit to the front.

3.4.1.3 Inserting the withdrawable unit

• Align the unit in front of the panel.
• Hold the frontplate of the withdrawable unit on top left
and push in the unit to the stop.
3
2
1
9
8
1 LV connector
2 Clip for locking the LV connector
3 Holding point for moving the unit
4 Opening for lifting the unit when changing the direction
of travel
5 Operating state indicator of fuses
6 Adjusting elements for adjusting the altitude of site of
the switchpanel on the vacuum contactor
7 Switch position indicator for earthing switch (concealed,
see 1, Fig.16)
8 Door locking bolt
9 Door locking strip
Fig.17 Operating elements with the door open
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