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5.3.4 Replacing galvanic O
The service life of this sensor is about 18 months from the date of delivery.
We recommend periodic replacement of the sensor.
Replacement parts order No.: TK7M3502C1
(1) Remove the screws (M4 × 7 pcs.) on the rear and
the side faces of the main unit.
(2) Pull out the cover toward the rear.
(3) Remove the O
(Control printed board CN9)
(4) You can see the O
rack at the left of the front face.
(5) Turn the O
sensor counterclockwise to remove it.
2
(6) Wrap seal tape around the screw of the replacement
sensor to assure air-tightness.
(7) Reverse the procedure from (1) to (5) to assemble
the sensor.
(8) Perform zero/span calibration.
Replacement has now been completed.
Caution on handling
• Avoid having impact on the sensor.
Otherwise damage may result.
sensor (when provided with the sensor)
2
sensor connector.
2
sensor fastened to the mounting
2
- 66 -
(2)
Remove
Insert
(5)
Seal tape
INZ-TN2ZSVS-E
(1)
(3)
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