Environnement AF22e, Technical Manual, Page: 84 / 118

Environnement
S.A
AF22e
Duplication prohibited
APRIL 2016
4–4
4.2 MAINTENANCE CALENDAR
By design, the AF22e requires very limited maintenance. However, the unit must be regularly serviced
to ensure proper performance over time. The routine maintenance schedule shown below is an example,
and this schedule can vary according to operating conditions.
Nature of operations Frequency Sheet N°
Sample inlet dust filter replacement 2 to 4 weeks 4.3.1
Optical, electric and fluid parameter check 1 month 4.3.2
Internal zero filter replacement 6 months 4.3.3
KNF pump maintenance 1 year 4.3.4
UV lamp replacement 2 years 4.3.5
Annual check
The monitor must undergo a thorough cleaning (measurement chamber, restrictors, flow circuit, etc.) in
the laboratory at least once a year. All metrological parameters and fitting tightness should be checked
at this time.
4.3 MAINTENANCE OPERATION SHEETS
WARNING
–
Do not use trichloroethylene or acetone to clean seals and gaskets.