52
…8
SENSOR MAINTENANCE
Fig. 8.2 7320 200 High Range Sensor – Dismantling and Cleaning
…8.2.1
Dismantling and Cleaning – Figs. 8.1 to 8.4
Sample Outlet
Unscrew the collar and
carefully withdraw the
receiver module.
1
Seal
Seal
Unscrew the collar and carefully
withdraw the emitter module.
2
Drain
Valve
Inlet/Isolating
Valve
Flowcell
3
4
Split the flowcell – see Fig. 8.3.
Clean the inside of the flowcell
and other assemblies using mild detergent.
Rinse thoroughly with de-ionized water.
Inspect the wiper blades for wear or damage.
Replace as necessary – see Fig. 8.4.
Reassemble the flowcell using new seals – see Fig. 8.3.
Refit the emitter and receiver modules using new seals,
ensuring that the module locating pins are seated correctly
in their keyways before tightening the collars.
6
5
7
