Decommissioning The Device - Siemens 7MB3000 Series Operating Instructions Manual

Decommissioning, dismantling and disposal
12.2 Decommissioning the device
Danger from gas lines under pressure
Danger of injury during maintenance work
Hot, toxic or corrosive sample gases can be released when the gas lines are opened. Prevent
gases from exiting prior to opening or removing the device.
• Do not loosen process connections and do not remove any pressurized parts while the
• Depressurize the device. Shut off the gas inlets and gas outlets. Disconnect the gas lines
• Before opening or removing the device, ensure that process media cannot be released.
Hot surfaces resulting from hot sample gases and heated devices
Danger of burns resulting from surface temperatures above 70 °C (155 °F)
After being switched off, the device and its parts are still very hot. Touching can result in skin
burns.
• Begin the maintenance / shutting down once the device has cooled off.
• Take appropriate protective measures, for example contact protection.
12.2

Decommissioning the device

Procedure
1. Ensure that gas is no longer flowing through the device. Shut off all gas lines to the device.
Ensure that no hazardous gases escape when removing the gas lines to the device.
2. If external pumps are present, switch all of them off.
3. Purge the sample gas path with air.
4. Isolate the device from power. Disconnect the connection to the power supply.
5. Unscrew all the gas connections.
6. Remove the analyzer module, as described in the section "Removing analyzer modules,
standard version (Page 76)".
7. Remove the option modules, see section "Installing option modules (Page 81)", reverse order
8. Ensure that the device cannot be started up again unintentionally.
158
WARNING
device is under pressure.
from the device.
CAUTION
Operating Instructions, 07/2023, A5E31930403-AB
Wall-mounted device