AEG PROTECT B. 750 Operating Instructions Manual page 48

PROTECT B. 750 and B.1000
1. Unscrew the two screws on the side and remove the
front panel carefully on both ends. Make sure that the
panel does not tilt too much.
2. Disconnect the battery cable from the UPS and remove
the battery retaining battery bracket to the right so that
the battery can be pulled out to the front.
3. Withdraw the new batteries from the transport container
an put into the right position. Fix both blocks together
and connect the electric connections of the extracted
battery system.
4. Slide the new battery carefully into shaft of the UPS until
the end. Mount the bracket for fixing the battery pack
and connect the system electrically. Push the contact
together quickly and firmly. Take care of the right
polarity ( red - red / black - black)
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