Teledyne API Model 200AU NOX Analyzer Instruction Manual, 02293, Rev. F 8-2 Table 8-2: Preventative Maintenance Calendar
Item Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Maintenance
Interval
TEST Functions 6 - 12 month
intervals
Zero/Span
Calibration Annually or after
repairs
Zero/Span Checks Daily
Particulate Filter Weekly as needed
Filter for PermaPure
Drier Replace every 12
months
Reaction Cell
Window Clean annually or as
necessary
Ozone Flow Check every year
Sample Flow Check every year
Moly Converter Check efficiency
every 6 months
Pneumatic Lines
Examine every 12
months, clean if
necessary
Factory Calibration Calibrate each year
or after repairs
Leak Check Check every year
O-rings Replace if seal is
broken