Defender 3000 Indicators Service Manual
EN-31
5.1.2 i-DT33XW
1. Disconnect the Indicator from the AC power source.
2. Remove the 6 bolts from the Bottom Plate.
3. Disconnect the cable of battery and take out the battery carefully.
4. Remove the 2 screws from LFT plate and 1 screw under the LFT plate.