Hach AV9000S User Manual page 19

Replenish the sensor oil
Inspect the oil in the sensor for large air bubbles during customer-scheduled service duty cycles.
Large bubbles can reduce the anti-fouling properties of the oil. Small bubbles (< ¼-in. diameter) do
not affect the oil properties.
To replenish the sensor oil, refer to the documentation supplied with the silicone oil refill kit. Refer to
Replacement parts and accessories
Replacement parts and accessories
Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
Replacement parts
Description
Desiccant beads, bulk, 1.5 pound canister
Desiccant container
Hydrophobic membrane
O-ring, dessicant container end cap, 1.176 ID x 0.070 OD
Silicon oil, includes two 50-mL oil packs to refill 100 sensors
on page 19 for ordering information.
W A R N I N G
Item number
8755500
8542000
3390
5252
7724700
English 19