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 month 6 months As necessary
Clean the cell on page 19 X
2
Replace the reagent bottles on page 20 X
Replace the stir bar and tubing harness
3
X
Clean the screen in the Y-strainer on page 21 X
Clean the cell
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.
Clean the cell at 1-month intervals or more frequently if necessary.
Items to collect:
Cotton swabs
4
Sulfuric Acid Solution
4
1. Put on the personal protective equipment identified in the safety data sheets (MSDS/SDS).
2. Push menu, then select SENSOR SETUP > [select analyzer] > TASKS > CLEAN CELL.
3. Push enter to stop measurements.
4. Select an option.
Option Description
HOLD The controller outputs are held at the last measured value.
TRANSFER The controller outputs change to the transfer value.
5. When the status light flashes, do the illustrated steps that follow. Make sure that there is no
unwanted material in the cell. When done, push enter.
2
Clean the cell more or less frequently as necessary.
3
Refer to the instructions supplied with the Tubing Kit.
4
Refer to Replacement parts and accessories on page 25.
English 19
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