ADS Environmental Services ADS TRITON+ QR 775027 A3 - Manual (Page 348)

Maintenance and Troubleshooting 10-27
Placing the top next to the monitor (left) and disconnecting the cables at the
plastic white connectors (right)
11. Remove the brass thumb nut securing the dome to the monitor
top.
Removing nut securing regulator dome to monitor top
12. Carefully lift off the dome from the top (as if opening like a
book). Notice the three fuses seated on the regulator board on
the inside of the dome.
Nut securing dome