57
5 Maintenance
5.5.2
Changing the
pump filter
CAUTION!
Always switch off the device before changing the
filter.
z
Unscrew and remove the sensor cap.
z
Take the sensor out of its holder.
z
Remove the pump filter (white disk, 4 mm in diameter).
z
Insert a new pump filter.
z
Place the sensor with rubber seal back into the holder.
z
Attach the sensor cap, making sure the screws are not too
tight.
5.5.3
Changing the
sensor filter
CAUTION!
Always switch off the device before changing the
filter.
z
Unscrew and remove the sensor cap.
z
Remove the sensor filter from the sensor cap.
z
Insert a new sensor filter.
z
Attach the sensor cap, making sure the screws are not too
tight.
