Xylem R 503/D - Handbuch (Seite 17)

R 503/P / R 503/D
17 ba15345e02 08/2007
Maintenance
! Refill any used up bridge electrolyte daily.
! In the case of increased response times carry out the
following activities:
– Clean the ground junction with methanol
– Exchange the bridge electrolyte
! Rinse off with water any granulate material on the outside
of the electrode.
! Clean the electrode.
To do so, open the combination electrode:
Caution
Never pull the connection cable of the electrode.
The cable might be damaged.
1 Unscrew the knurled nut (1) from the connection
head.
2 Put the connection cable into a vertical position.
3 Unscrew the connection head (2).
4 Push the connection head (2) and pressure spring (3)
over the connection cable.
5 Remove the protection cap.
6 Push the electrode through the shaft (7).