Huawei PDU8000 - Replacing a Common MCB

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Figure 8-5 Replacing an Indicator

Step 4 Remove the retaining ring from the indicator and remove the indicator from the

mounting hole.

Step 5 Put a new indicator into the mounting hole, secure the retaining ring, and connect

the cables.

Step 6 Reinstall the fuse to reconnect the circuit.

Step 7 Verify that the indicator lights up properly.

Step 8 Reinstall the protective panel.

Step 9 Install the fuse terminal block to its original position.

----End

8.4.3 Replacing a Common MCB

Prerequisites

D ANGER

Before replacement, ensure that the input and output switches are OFF, and that

the upstream and downstream switches are also OFF.

● Tools: Phillips screwdriver, at-head screwdriver, and key to the PDC cabinet

door.

● Materials: MCB of the appropriate model

Procedure

Step 1 Open the front door of the PDC, turn

o the input and output switches in the

PDC, and turn o the upstream and downstream switches.

Step 2 Remove the screws from the PDC panel, set the screws aside, and remove the

panel.

PDU8000 Modular Precision PDC V2.0

User Manual 8 Maintenance Guide

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