ADS Environmental Services ADS TRITON+ QR 775027 A3 - Manual (Page 347)

10-26 ADS TRITON+ Manual
Replace a fuse(s) in the monitor in the following way:
1. (applicable only when blue fuse requires replacement) Collect
the data from the monitor (remotely or on-site) to limit the risk
of losing data once the battery is disconnected.
2. Remove the monitor from the manhole.
3. (applicable only to externally-powered monitors) Turn off the
power to the monitor at the external source, and then
disconnect the external power/communications cable from the
COMM + EXT PWR port on the monitor.
4. Disconnect the antenna cable from the ANTENNA port on the
monitor.
5. Disconnect the sensor cable(s) from the corresponding port(s)
on the monitor.
6. Remove the monitor from the hazardous area (i.e., at least 20
feet (6.1 m) away from the manhole), and place in a dry
location.
7. Remove the four bolts securing the monitor top to the canister
using a 13-mm nut driver.
8. Wipe away any debris or moisture that could enter the chassis
once the unit is opened.
9. Remove the top (with the attached power regulator dome) by
pulling it straight up from the canister.
10. Place the top upside down next to the canister (with the dome
facing upward), and then disconnect the battery cable (when
applicable) from the dome cable. However, do not disconnect
the battery cable while the monitor is awake (e.g., taking
readings or communicating)! When the monitor is awake,
characters and lights display on the LED STATUS window.
Note: Keep the underside of the monitor top, the
regulator dome, and the top gasket free of dirt, mud, and
other debris. Debris and dirt can compromise the seal of
the monitor once it is reassembled. In addition, inspect the
monitor seal for damage.