3 Operation
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41
The device is switched off.
1.
Turn the filter fastener anticlockwise until it reaches the stop.
2.
Pull off the filter fastener.
3.
Within the filter fastener: Change the dust filter
a)
Remove the used dust filter.
b)
Insert a new dust filter. Press the filter gently into the filter
fastener.
4.
Within filter opening: Replace the hydrophobic filter
a)
Remove the O-ring above the filter, taking care not to dam
-
age it.
b)
Remove the used hydrophobic filter.
c)
Carefully insert a new hydrophobic filter.
d) Replace the O-ring.
5.
Replace the filter fastener. Make sure the side lugs are cor
-
rectly oriented.
6.
Turn the filter fastener clockwise until it reaches the stop.
