7.1 Maintenance schedule
For scheduled or as-needed maintenance, refer to Table 5.
Table 5 Maintenance intervals
Maintenance task 30 days 90 days 180 days Annually As needed Instructions
Replace the reagents X Replace the reagents
on page 21
Refill the electrode inner fill
solution
X Refer to the electrode kit
(5744800).
Replace the pump tubing
(at temperatures above
27 ºC)
X Replace the pump tubing
on page 24
Clean the sample screen X Clean the sample screen
on page 25
Replace the pump tubing
(at temperatures below
27 ºC)
X Replace the pump tubing
on page 24
Replace the lanthanum
crystal tip
X Refer to the electrode kit
(5744800).
Replace the analyzer
tubing
X Replace the analyzer
tubing on page 22
Replace the working and
reference electrode
X Refer to the electrode kit
(5744800).
Clean the enclosure X Clean the instrument
on page 26
Replace the fuse X Fuse replacement
on page 27
7.2 Hold outputs for maintenance
The hold outputs function stops alarms and keeps recorder outputs at a consistent level during
maintenance.
1. Go to MENU>MAINTENANCE>HOLD OUPUTS.
2. Push the up arrow to activate the hold for 60 minutes. The alarm LED flashes.
3. To deactivate the hold, go to MENU>MAINTENANCE>HOLD OUPUTS.
4. Select OFF, then push ENTER.
7.3 Replace the reagents
W A R N I N G
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.
The TISAB, Standard 1 (0.5 mg/L F
-
) and Standard 2 (5.0 mg/L F
-
) bottles can be used for about
30 days.
English
21
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