Section 5: Routine Maintenance and Calibration
86
Plumbing Maintenance
For an SBE 19plus V2 with plumbing configured for vertical orientation -
A clogged air release valve can trap air, preventing the pump from
functioning properly; this will affect the data quality. Periodically clean the
air release valve:
1. Use a 0.4 mm (0.016 inches) diameter wire (you can use #26 AWG wire)
to clean the valve. The easiest way to do this is to remove the Tygon
tubing above the air release valve, and use needle-nosed pliers to force the
wire through the hole.
2. Blow through the air release valve to ensure it is open.
3. (if applicable) Replace the Tygon tubing above the air release valve.
Air release valve detail
0.5 mm (0.02 in.)
Y-fitting with
air release
(bleed) valve
93
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