TESTO 380 - Cleaning the nozzle

7 Maintaining the product
67
7.10. Cleaning the nozzle
- Necessary cleaning of the nozzle is indicated.
7.10.1. Removing the nozzle
1. Remove the measurement gas tube from the preheating
section.
2. Unlock the preheating section (anti-clockwise) and remove.
3. Remove the tube from the top part of the particulate matter
sensor.
4. Unscrew the top part of the particulate matter sensor (anti-
clockwise) and remove.
5. Place the top part on a lint-free cloth on a flat surface.
6. Push down on the orange markings with a suitable tool and
remove the cover.
7. Carefully remove the nozzle from the nozzle pot. Avoid touching
the nozzle area.