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10.0 MAINTENANCE
This section describes replacing the internal battery pack, precautions, checking the Liebert
®
GXT3’s
status and checking UPS functions.
10.1 Replacing the Internal Battery Pack
The Liebert GXT3
™
is designed to allow the user to replace the internal battery pack safely. Read the
safety cautions before proceeding. Contact your local dealer or Emerson representative to obtain the
part number and pricing of the appropriate replacement battery pack.
10.1.1 Battery Replacement Procedures
1. Gently remove the front plastic bezel cover from the UPS.
2. Loosen and remove the six screws on the battery door, as shown in Figure 22.
3. Lay the battery door and screws aside for reassembly.
Figure 22 Removing the front plastic bezel cover and battery door
4. Gently pull the battery wires out and disconnect the battery plugs and battery receptacles, as
shown in Figure 23.
Figure 23 Disconnecting the battery plug and battery receptacle (front view)
5. Grasp the battery handle and pull one of the internal battery packs out of the UPS, as shown in
Figure 24.
Repeat this step if both battery packs will be replaced. Each model has two battery packs
Front Bezel
Battery Door
Screws, 6
8000VA / 10,000VA model shown;
5000VA & 6000VA model arrangement is
the same except smaller
Battery Connector
Battery Receptacle
Battery Connector
Battery Receptacle
8000 / 10,000VA model
shown; 5000 / 6000VA
model arrangement is
the same except smaller