7 Maintaining the product
44
7.5. Recalibrating/adjusting sensors
See Recalibration/adjustment, page 31.
7.6. Compact flue gas probe
7.6.1. Cleaning the probe shaft
✓ Disconnect the flue gas probe from the measuring instrument.
1. Loosen and remove halfshell handles (1).
2. Turn the sealing cap (2) clockwise as far as it will go and
remove probe shaft.
3. Blow compressed air through the probe shaft.
4. Replace the probe shaft and lock the sealing cap (2) by tightening
it anti-clockwise (as far as it will go, observe markings).
5. Replace halfshell handles and secure with screws.