Oxygen sensor installation
Remove the top 4 screws from the device using a cross-head screwdriver as
shown. Retain the screws along with the sealing washers.
Gently remove the sensor cap as shown.
WARNING:
DO NOT TOUCH THE INSIDE OF THE
(INSTRUMENT OTHER THAN AS NOTED IN
THESE INSTRUCTIONS) WITHOUT
APPROPRIATE ANTI-STATIC PRECAUTIONS.
Remove the new sensor from its packaging. Oxygen sensors are supplied in
sealed bags. Before the bag is opened check that the sensor has not leaked.
If it has, then please refer to the safety information in the user manual.
Insert the sensor into the extraction tool, aligning the pins with the alignment
rib.
Align the extraction tool rib with the Aspida case alignment mark as shown.
Push the tool and sensor gently downwards into the case until the sensor
locates firmly within its socket.
Hold the top ring of the extraction tool gently, without squeezing the grip and
lift the tool vertically upwards to remove the extraction tool whilst leaving the
new sensor in place. (A gentle twisting of the tool may help to separate the tool
from the sensor).
Replace the sensor cap ensuring that the oxygen cell is centrally sited in the gas
port with the white gasket visible around the whole of the gas port. If
misaligned, remove the sensor cap, and adjust the oxygen cell position using
the extraction tool. Then refit the cap and recheck the alignment.
Aligned
Holding the sensor cap in position, turn the unit over and fit the 4 crosshead
screws (including washers) into the rear of the case as shown.
Power the device and allow the sensor(s) to warm up. The new oxygen sensor
will require calibration and may be showing a fault due to an over-range
reading (this is possible for a new sensor).
To ensure the sensor replacement reminder (
for the new sensor, the reminder should be reset using the Aspida configuration
software. See the Aspida software configuration manual for instructions.
Misaligned
WARNING:
ANY NEW SENSOR FITTED TO A DEVICE
WILL TAKE TIME TO SETTLE TO A
STABLE READING. FOR THIS REASON,
ONCE THE SENSOR HAS BEEN FITTED,
THE DEVICE SHOULD BE LEFT UN-
POWERED FOR AT LEAST 2 HOURS
BEFORE ATTEMPTING TO POWER-UP
AND CALIBRATE.
NOTE:
THE OXYGEN SENSOR MAY REQUIRE
FURTHER FRESH AIR CALIBRATIONS AS THE
SENSOR CONTINUES TO SETTLE. THE
OXYGEN READING SHOULD BE CHECKED
FREQUENTLY IN FRESH AIR DURING THE
FIRST FEW HOURS OF OPERATION WITH A
NEW OXYGEN SENSOR.
icon) occurs at the correct time
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