Miele SD Serie Mode D'emploi page 45

How the airflow indicator works
The airflow indicator is set for normal
household dust. This generally contains
a mixture of dust, hair, threads, carpet
fluff, grit etc.
However, if the cleaner has been used
to vacuum up fine dust, such as plaster,
brick dust, cement or flour, the pores of
the dustbag will become blocked very
quickly.
This affects the air permeability of the
bag, and the marker will indicate that
the bag is "full" even when it is not. The
dustbag must be replaced if this is the
case.
If, on the other hand, a large amount of
hair and carpet fluff which typically con-
tains a lot of air is vacuumed up, the in-
dicator may fail to react even though
the bag is full. You should still change it.
Both these extremes can occur.
Removing the dustbag (Fig. 28)
 Press the release catches at the side
of the hose connector and pull the
hose out of the suction opening.
 Press the release catch for the dust
compartment lid and raise the lid as
far as it will go (Fig. 07).
The dustbag has a flap which closes
automatically when the dust compart-
ment lid is raised to prevent any dust
escaping.
 Pull the dustbag out by the grip on
the collar.
Fitting a dustbag (Fig. 29)
 Fit the new dustbag into the holder
until it clicks into position. Leave the
dustbag folded up when you take it
out of the box.
 Close the dust compartment lid se-
curely, making sure it clicks into posi-
tion. Take care not to trap the dust-
bag when doing so.
A safety device prevents the lid clos-
ing without a dustbag in place.
Do not force it.
 Insert the hose connector into the
suction opening on the vacuum
cleaner until it clicks into position. To
do this, line up the guides on the two
pieces (Fig. 01).
Replacing the motor protection filter
(Fig. 30)
Replace the motor protection filter
whenever you start a new packet of
dustbags.
Every packet of original Miele dustbags
contains a motor protection filter. Mul-
tipacks contain 4 motor protection fil-
ters.
 Open the dust compartment lid.
 Pull the dustbag out by the grip on
the collar.
 Lift up the filter frame until it clicks
and remove the old filter. Hold by the
clean, unsoiled section to remove it.
 Replace with a new motor protection
filter.
 Close the filter frame.
 Fit the dustbag into the holder as far
as it will go.
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