ProMinent DULCODOS Hydrazin, Operating Instructions Manual, Page: 26 / 40

Interval Maintenance work Personnel
every 6 months Replace the active carbon filter - see section "Maintenance of active
carbon filter" below.
Technical personnel
every two years Replace the relief valve diaphragm - see operating instructions for the relief
valve.
Technical personnel
WARNING!
Hydrazine can escape
Hydrazine may escape when carrying out the work listed
below.
–
Therefore always flush the system - see chapter
"Decommissioning and disposal"!
– Refit the new active carbon filter to the metal bracket
so that it cannot break off!
– Properly dispose of the active carbon filter!
1. Flush the hydrazine metering system - see chapter "Decommis‐
sioning and disposal".
2. Dismantle the used active carbon filter.
3. Fit the new active carbon filter.
4. Refit the new active carbon filter to the metal bracket so that it
cannot break off.
5. Re-connect the exhaust air line to the active carbon filter
6. Properly dispose of the used active carbon filter.
Maintenance of the active carbon filter
Maintenance
26