40
│ 3 Operation
The filters must be replaced if they exhibit:
●
visible contamination
●
mechanical damage
●
contact with water
If none of the events occurs, the filters must be replaced after
12 months at the latest.
Checking the filters
The dust filter contamination can be tested from the outside by
inspection through the transparent filter fastener.
To check the condition of the filters more precisely, the filter fas
-
tener must be unscrewed.
Note:
Once a hydrophobic filter has been taken out it must not be re
-
placed.
Recommended tools
●
Coin
for turning the filter fastener
●
Tweezers
for removing and inserting the hydrophobic filter and O-ring
Changing the filter
NOTICE! Risk of contamination
New filters, i.e. filters not yet used, must be handled carefully to
prevent mechanical damage.
Filters and O-rings must not come into contact with grease.
● Ensure your hand are clean when changing the filters.
● Use tweezers to insert the hydrophobic filter.
