Adcon A753 User Manual page 18

2. The battery pack is connected to the electronics board by means
of a PCB connector. Remove the battery pack's plug from the PCB
connector, as shown in Figure 7.
3. Unscrew the four screws of the plastic cover that holds the
battery pack in place, then remove the cover. Figure 8 shows this
step, revealing the A753 battery pack inside the RTU.
4. Remove the battery pack and replace it with a new one
(obtainable from Adcon).
5. Replace the plastic cover and fasten the two nuts.
6. Insert the battery plug into the PCB connector.
WARNING Be sure to mount the rubber gasket of the lid properly, so that the
unit's IP65 environmental protection is not affected. You must also be
sure to not squeeze the battery cable.
Figure 7. Unplugging the PCB Connector
Figure 8. A753 Battery Pack
CHAPTER 2
Maintaining and servicing the RTU
18