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3Ć29Maintaining the System
12. Inspect the tubing.
a. If the tubing is damaged, or is stretched or loose at the connection, replace
the tubing as described in Replacing the CO-ox Sample Tubing on page
3-37.
b. If there is an obstruction in the tubing, remove the sample tubing.
c. Push a 0.016-inch diameter clot-removal line through the sample tubing
from back to front, opposite the direction of sample flow.
d. Reinstall the sample tubing.
CAUTION: Ensure that the area between the metal plate and the sapphire window
is free of dust or debris.
13. Reinstall the metal plate into the sapphire window by aligning onto the
mounting pins.
14. Reinstall the sample chamber:
a. Connect the bubble trap to the sample chamber inlet port.
b. Align the mounting pin holes on the sample chamber with the mounting
pins.
c. Turn the tab on the cams to the right until the cams tighten against the
sample chamber.
d. Reconnect the tubing to the sample chamber outlet port.
e. Reconnect the tubing to the bubble trap inlet port.
15. Press
Continue.
A wash sequence starts. When the wash sequence sequence finishes, a
message box appears prompting you to perform a two-point calibration.
16. Press
No.
17. Perform a pH/lytes one-point calibration.
18. Perform a tHb slope calibration.
!