Maintenance Of The Residual-Chlorine Sensor - horiba TW-150 Instruction Manual

7 MAINTENANCE
7.4.3

Maintenance of the residual-chlorine sensor

The maintenance items and procedure are as follows.
Maintenance item
Polish the residual-
chlorine sensor
Replace beads
Replace the residual-
chlorine sensor
Removing the residual-chlorine sensor

1. Loosen the screws and remove the cover.
2. Remove the sensor connector.
Stop valve
must be closed.
3. Loosen the sensor-retaining screw and remove the residual-chlorine sensor.
142
Removing the residual-chlorine sensor → Polishing the residual-chlorine sensor →
Installing the residual-chlorine sensor
Removing the residual-chlorine sensor → Replacing beads → Installing the residual-
chlorine sensor
Removing the residual-chlorine sensor → New Installing the residual-chlorine
sensor
Screw
Cover
Enlarged
view
Sensor connector
Procedure
Retaining screw
Residual-chlorine sensor
Residual-chlorine/conductivity cell