Removing the ball coupling
X Remove the spring cotter.
■ Remove the bolt from the ball coupling
recess.
■ Remove the ball coupling from the ball
coupling recess.
■ Clean the ball coupling if it is dirty.
...
Setting the side air vents
Side air vents
1 Side air vent
2 Swiveling side air vent
3 Control for side air vent
► To open/close: turn thumbwheel 3 to the
left or right. ...
Important safety notes
WARNING
Severe conditions (e.g. strong air pollution)
may require replacement of the filter before
its scheduled replacement interval. A clogged
filter will reduce the air volume to the interior
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