Hach TU5 Series, User Instructions, Page: 17 / 138

5.5 Replace the wiper
To make sure that the vial is cleaned fully, replace the wiper periodically.
1. Push menu .
2. Select SENSOR SETUP>[select analyzer]>DIAG/TEST>MAINTENANCE>WIPER REPLACE.
3. Stop the sample flow.
4. Remove the cleaning module.
5. Remove the vial. Refer to steps 1 to 5 of Replace the vial on page 14.
6. Complete the steps that show on the controller display. Install the vial wiper (silicone or fiber) that
is applicable to the sample type. Refer to the illustrated steps that follow.
The date that the wiper was replaced is automatically saved after the last screen shows.
7. Install the vial. Refer to steps 8 to 12 of Replace the vial on page 14.
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