ABB Navigator 550 Quick Start Manual page 3

Low level dissolved oxygen wet-section

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N AV I G AT O R 5 5 0 | LO W L E V E L D I S S O LV E D OX YG E N W E T S E C T I O N | I N F 1 3/ 1 2 4 - E N R E V. B

6 Replacing the dissolved

oxygen sensor

Part number: low level dissolved oxygen sensor assembly

(AW502 080)

Removing the dissolved oxygen sensor

assembly

Referring to Figure 2:

1 Disconnect (red) sensor connector

2 Unscrew clamping screw

assembly from flowcell body

3 Carefully unscrew connector nut

withdraw connector body

4 Remove and discard O-rings

Figure 2 Removing the dissolved oxygen sensor assembly

and withdraw the sensor

from sensor

and