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Teledyne API Model 401 O
3
Photometric Calibrator Instruction Manual, 01124, Rev. J2
10 ROUTINE MAINTENANCE
NOTE
The operations outlined in this chapter are to be
performed by qualified maintenance personnel only.
10.1 Maintenance Schedule
Table 10-1 shows a typical maintenance schedule for the Model 401. Please note that in certain
environments (i.e. dusty, very high ambient pollutant levels) some maintenance procedures may
need to be performed more often than shown.
Table 10-1: Maintenance Schedule
Date Instrument Was Recieved: ___________________
Item Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended
Action
Zero Air
Scrubber
Replace charcoal
quarterly.
Pump
Diaphragms
Replace every 6
months.
DFU
particulate
filter for
zero air
Replace
annually.
Sample Cell
Inspect quarterly.
Clean as
necessary.
(Section 10.3)
Sample
Flow
Check annually
800 cc/min ± 80.
Leak Check
Check annually
(Section 10.2)
leak check after
any maintenance.
10-1