CheckPoint Pharma and CheckPoint
e
Operation and Maintenance Manual
SUEZ © 2018 86 of 112 DLM 97200-03 EN Rev. A
Table 4: Consumables Replacement Schedule
Pump tubing (with pump heads)
Replace as needed (depends on water quality)
Replacing the Sample Pump Head and Tubing
The tubing for the sample pump loses elasticity over time and must be replaced semi-annually to
ensure proper flow rates; the tubing cannot be replaced independently of the sample pump head, and
is provided as a kit with new pump heads. The sample pump tubing and pump head must be
purchased from SUEZ. Use of tubing from other sources or failure to replace the tubing on the
prescribed replacement schedule will affect Sensor functionality. Instructions and illustrations for this
procedure also can be found in the Sensor’s Quick Setup Guide.
Installation of the sample pump tubing and pump heads requires
access to the inside of the Sensor. To avoid potentially dangerous
shock, disconnect the power cord before opening the Sensor’s
front panel.
Have paper towels available during the procedure in case water leaks from the old pump heads
during the removal process.
1. If the Sensor is taking measurements, press the button to stop analysis.
2. Power off the Sensor by pressing the button for three seconds. Then, turn off the breaker,
unplug the power cord, or remove the battery.
3. Stop the flow of sample water to the Sensor.
4. Disconnect the sample inlet and waste lines from the Sensor.
5. Remove the fluidics cover.
6. Locate the sample pump head.
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