Yokogawa Low Concentration (ppm) Zirconia Oxygen Analyzer OX400 - Manual (Page 57)

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7. Inspection and Maintenance>
7-4
IM 11M10B01-01E
5) Remove the lead wire connector of the sensor from the PCB board.
6) Loosen the joint ring
1 on the sensor outlet side and remove it towards the heater side.
7) Pull out the joint 2
while holding the sensor.
8) Rotate the inlet-side joint nut 3 counter clockwise seen from the heater side and remove it.
O-ring
Sensor
Lead wire connector
Lead wire connector
Heater
Heater
1
1
2
2
3
3
9) Pull out the holding plate 4 , remove the ring 1 , and pull the sensor out of the heater
straightforward.
O-ring
Lead wire connector
Heater
1
2
3
4
Figure 7.2 Removing Sensor