21
BA315001-en
2 Open the filters under clean working
conditions by turning the filter hous-
ing anticlockwise.
3 Open the filter clamp by carefully
pulling it off and remove the filter in-
sert.
4 Check the filter clamp, filter holder
and filter housing for dirt. If neces-
sary, clean the affected parts with a
dry, lint-free cloth.
The filter housing must be fully free
from dirt!
5 Replace the two O-rings. It must be
ensured that the O-rings are firmly in
place.
