User's Manual

CHAPTER2
MaintainingandservicingtheRTU
13
3. Unscrew the four screws of the plastic cover that holds the
battery pack in place, then remove the cover. Figure 5 shows this
step, revealing the A753 battery pack inside the RTU.
Figure 5. A753 Battery Pack
4. Remove the battery pack and replace it with a new one
(obtainable from Adcon).
5. Put the plastic cover back into position and fasten the four
scre
ws.
6. Insert the battery plug into the PCB connector.
 WARNING Be sure to mount the rubber gasket of the lid properly e.g. not
twisted, so that the unit’s IP65 environmental protection is not
affected. You must also be sure to not squeeze the battery cable.
7. Mount the lid back, taking care that the rubber gasket sealing the
bo
x is correctly in place, not twisted and free of dirt and soil.
8. Screw the four cover screws back in, applying a moderate force.