Dell UPS 10000R - Manual (Page 72)

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UPS Maintenance
NOTE: With the user-replaceable battery feature, UPS batteries can be replaced easily without turning the UPS
off or disconnecting the load.
To replace the UPS batteries:
1 Remove the UPS front cover (see Figure 38):
Hold the right side of the cover against the chassis. Unsnap the left side of the cover and pull it
forward.
Pull the right-side front cover tab from the chassis and remove the front cover.
Set the front cover aside.
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2
Figure 38. Removing the UPS Front Cover
2 Remove both battery retaining brackets from the UPS (see Figure 39):
Locate the left (labeled L) retaining bracket. On the left side of the chassis, turn the thumbscrew
counter-clockwise to release the left retaining bracket.
Push the bracket toward the center post to disengage it from the chassis. Swing the bracket toward
you and pull the bracket to the left to remove it. Set the bracket aside.
Locate the right (labeled R) retaining bracket. On the right side of the chassis, turn the
thumbscrew counter-clockwise to release the right retaining bracket.
Push the bracket toward the center post to disengage it from the chassis. Swing the bracket toward
you and pull the bracket to the right to remove it. Set the bracket aside.