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CAUTION:ĄĂTouch the inner surface of the module frame to discharge static
buildup before removing or returning sensors.
g. Dry thoroughly and reinstall each sensor, ensuring that the O-rings are in
place.
CAUTION:ĄĂTo avoid damage to Ca
++
, Cl
–
, K
+
, Glu, and Lac sensors, do not
attempt to push the clot-removal line through these sensors.
5. Inspect the Ca
++
, Cl
–
, K
+
, Glu, and Lac sensors for obstructions:
a. Remove the sensors one at and inspect each one for obstructions.
CAUTION:ĄĂDo not exert excessive air pressure on the glucose or lactate
sensor membrane.
b. Place the syringe against the sensor sample path and inject air through the
sensor to remove obstructions.
c. If the obstruction is not removed, fill the syringe with fresh wash reagent
and inject the wash reagent into the sensor sample path to remove
obstructions.
NOTE:ĄĂAs you install the biosensors, ensure that the biosensors are in the
correct location. Visually verify that you align the contacts on the biosensors
with the contacts in the measurement module.
d. Dry thoroughly and reinstall each sensor, ensuring that the O-rings are in
place.
6. Remove obstructions from the preheater:
CAUTION:ĄĂDo not remove or return the sensors to the measurement module
without first discharging static buildup. Touch the inner surface of the module
frame to discharge static buildup.
a. Remove the gas sensors.
b. Disconnect the sample tubing from the preheater.
c. Push a clot-removal line through the preheater from right to left, opposite
to the direction of sample flow, as shown in Figure 4-18.
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860
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