
Fyrite
INSIGHT
Plus Manual Calibration and Maintenance
0024-9487 Rev 2 83
Step O
2
Sensor Replacement LL O
2
Sensor Replacement
1 Remove battery door and connector
tubing from both sensors.
Remove battery door and connector
tubing from both sensors.
2 Pull O
2
sensor from its socket. Remove LL O
2
counter clockwise.
3 Remove the O
2
cap. Gently pull LL O
2
sensor out of its
socket.
4 Properly dispose of the old sensor. Properly dispose of the old LL O
2
sensor.
5 Record the 3-digit date code from
the new sensor for later use.
Record the 3-digit date code from
the new sensor for later use.
6 Engage the nub on the new sensor
within the slot on the cap's side and
twist to secure the cap and sensor
together.
Plug new O
2
sensor into its socket.
7 Install the cap and sensor unit by:
•
Aligning the ribs on the sides of
the sensor with the
corresponding shape in the
base.
•
Inserting the pins into the
connectors in the base.
Install the O
2
sensor cap by aligning
it toward the “open” position
(12 o’clock) as shown in the diagram
below, then twisting the cap
clockwise approximately 40
°
to the
"closed" position (2 o’clock).
8 Reattach tubing. Reattach tubing.
9 Turn on the unit and enter the 3-
digit sensor date code via the Setup
Menu selection for “O
2
Sensor Type”
(p 51). Then enter the current date.
Turn on the unit and enter the 3-digit
sensor date code via the Setup Menu
selection for “O
2
Sensor Type” (p 51).
Then enter the current date.
5.4.4. CO Sensor Replacement Procedure
Follow the procedure below and refer to the illustration on page 84.
Step CO Sensor Replacement Procedure
1 Remove battery door and the connector tubing from the CO sensor.
2 Remove CO cap by twisting counter clockwise.
3 Gently pull CO sensor out of its socket.
4 Properly dispose of the old CO sensor.
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