PDU8000 Modular Precision PDC V2.0
User Manual
8 Maintenance Guide
Issue 03 (2018-01-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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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
Before replacement, ensure that the input and output switches are OFF, and that the upstream
and downstream switches are also OFF.
Tools: Phillips screwdriver, flat-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 off the input and output switches in the PDC, and turn
off the upstream and downstream switches.
Step 2
Remove the screws from the PDC panel, set the screws aside, and remove the panel.
Figure 8-6
Removing the panel