User Manual

7 Maintaining the product
63
7.5. Recalibrating/adjusting sensors
See Recalibration/adjustment, page 43.
Pos: 103 /TD/Produkt ins tand halten/testo 320/ testo 320 Modulare Abgass onde reinigen, TE wec hsel, Partikelfilt er @ 14\mod_137526997 1876_79.docx @ 174476 @ 233333 @ 1
7.6. Modular flue gas probe
7.6.1. Cleaning the flue gas ducts
✓ Disconnect the flue gas probe from the measuring instrument.
1. Release the probe catch by pressing the key on the probe
handle and remove the probe module.
2. Blow compressed air through the flue gas ducts in probe
module and probe handle (see illustration). Do not use a brush!
3. Fit a new probe module on the handle and engage in place.
7.6.2. Replacing the probe module
✓ Disconnect the flue gas probe from the measuring instrument.
1. Press the key on the top of the probe handle and remove the
probe module.
2. Plug in the new probe module and engage it in place.