Instruction manual

NGA 2000 MLT Hardware
CHECK AND REPLACEMENT OF ELECTROCHEMICAL OXYGEN SENSOR
18 - 4
Emerson Process Management GmbH & Co. OHG
Instruction Manual
90002929
07/2006
18.3 Replacement of the EO
2
-Sensor
18.3.1 Removal of the EO
2-
Sensor
Remove front panel (see Item 15.).
MLT 1 only:
Remove the fastening hexagon nuts of the connection block (Fig. 18-2) with hexagon
spanner (SW 5.5) and remove connection block including oxygen sensor from front panel.
REPLACEMENT OF EO
2
-SENSOR
Fig. 18-2: MLT 1, front panel, rear view
PCB “OXS”
Fastening nut
connection block O
2
sensor
IN
OUT