Replace The Digestion Cuvette O-Rings - Hach CODmax III User Manual

8.12 Replace the digestion cuvette o-rings

Replace the digestion cuvette o-rings after 12 months of operation. Replace the digestion cuvette
after 24 months of operation.
1. Push the circular START/STOP button to stop the analyzer operation. Select YES to confirm. The
analyzer starts a sequence of procedures to prepare the system for maintenance. Wait for all of
the procedures to stop.
2. Disconnect power from the instrument.
3. Remove the safety panel.
4. Replace the digestion cuvette o-rings and the digestion cuvette as necessary. Refer to the
illustrated steps that follow.
5. Install the safety panel.
6. Push the fluids panel closed. Listen to make sure that the panel moves fully into the latch.
7. Close the doors.
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