MAGEE Scientific Aethalometer AE33 User Manual page 64

Aethalometer
Model AE33
10. To re-install the optical head, first align the notched marker to the left of center; push the
optical head upwards to engage the three bayonet fittings; and turn counter-clockwise (so the
front of the chamber moves to the right).
12. When the chamber is fully installed, the marker line will be at the front, and the locking pin
will click back into place.
13. Using thumb and fingers on both sides of the optical chamber, lift the chamber upwards.
The locking latch will automatically release. Allow the chamber to return down to the tape.
IMPORTANT: keep your fingers clear of the lower surface when releasing the chamber.
14. The cleaning procedure is now completed.
15. Restart the instrument and resume measurements.
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User's manual – Ver. 1.55 July 2017 64/146