W A R N I N G
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
W A R N I N G
Pinch hazard. Parts that move can pinch and cause injury. Do not touch moving parts.
C A U T I O N
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
C A U T I O N
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
9.1 Maintenance schedule
Table 6 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions may increase the frequency of some tasks.
Table 6 Maintenance schedule
Task 1 day 7 days 30 days 90 days 365 days As necessary
Show the active alarms on page 27 X X
Examine for leaks and malfunctions
on page 27
X X
Prepare and replace the reagents on page 27 X X
Examine and clean the electrode on page 27 X
Calibrate the pH electrode on page 28 X X
Calibrate the analyzer on page 28 X X X
Clean the analyzer components on page 28 X X
Clean the drain piping on page 28 X
Replace the peristaltic pump tubing
on page 29
X
Replace the dispenser syringe on page 30 X
Replace the dispenser valve on page 31 X
Replace the tubing on page 32 X
Replace the electrodes on page 32 X
Calibrate the photometer with bi-distilled water
on page 32
X
Replace the micropump duckbills on page 32 X
Replace the fuses on page 33 X
26 English
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