Dell UPS 1920R - Manual (Page 23)

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Installation |
8 Install the UPS battery tray (see Figure 17).
NOTE: A small amount of arcing may occur when connecting the batteries. This is normal and does not damage
the unit or present any safety concern.
9 Connect the internal battery connector and reclip the right battery connector.
10 Close the metal battery cover.
Adjust the battery connector so that the door closes properly. Push the door slightly to the right
and then to left.
11 Tighten the thumbscrew.
Torque the screw to 0.7 Nm (6.2 lb in).
Figure 17. Installing the Battery Tray