Fig 5-1 : Insert Brush Into Cleaning Port - Hach HIAC 9705 Operator's Manual

9705 - Maintenance Procedures 63 of 82

Fig 5-1 : Insert Brush Into Cleaning Port

4) Gently push the brush into the sensor with a twisting motion.
5) Once the cell has been cleaned with the brush, remove the brush and reinstall the
clean-out port cap. Tighten cap snugly. Do not over-tighten.
3
6) Flush the sensor with at least 30 cm of clean fluid.
HIAC
Operator Manual