DANGER
Danger to life by electric voltage
b
Only allow an authorized electrician to work on the electrical system.
Procedure
Overview
1.
Switch analyzer to “Maintenance”: Menu: Maintenance
→
Maintenance signal.
2.
Switch analyzer to “Stand-by”: Menu: Maintenance
→
System maintenance.
3.
Flush system for 10 minutes in this state.
4.
Shut off instrument air externally when the gas sampling unit must be removed.
5.
Switch off the fuse of the gas sampling unit in the measuring system. Details see
“Related topics”.
6.
Remove the weather hood housing. Details see “Related topics”.
7.
Check all gas connections:
°
Optical condition
°
Tight seat
°
Leak tightness:
The leak tightness check is performed via the connected measuring system.
Details see “Related topics”.
8.
Replace the glass fiber fine filter. Details see “Related topics”.
9.
Replace the non-return valves. Details see “Related topics”.
10. Reset the timemeter: Menu: Diagnosis
→
System param.
→
Counter Op. Hrs.
→
Filter sampling system.
11. Reset the Stand-by and Maintenance signals.
Related topics
•
Switch off fuse: See system documentation of the measuring device
•
Replace the glass fiber fine filter:
see "Replacing the glass fiber filter element",
•
Replace the non-return valves:
see "Replacing the non-return valves", page 78
10.10.1.1
Replacing the glass fiber filter element
Procedure
Replacing the fine filter cartridge:
1.
Loosen the rotary handle counterclockwise.
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
75
Subject to change without notice