Figure 19: Position of non-return valves
3.
Perform a leak tightness test after completing the work.
10.10.2
Replacing the sample gas line
10.10.2.1
Switching the analyzer off
Procedure
1.
Switch analyzer to “Stand-by”: Menu: Maintenance
→
System maintenance.
2.
Flush system for 10 minutes in this state.
3.
Switch system off at the external power disconnection unit.
10.10.2.2
Removing the sample gas line
Procedure
1.
Remove the sample gas line on the gas sampling unit.
2.
Unscrew the sample gas line in the measuring device.
3.
Disconnect electric connections in the analyzer.
4.
Pull the sample gas line out of the analyzer.
MAINTENANCE
10
8021339/1CHC/V1-1/2021-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | MARSIC280
79
Subject to change without notice