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When to change the dustbag
Change the dustbag when the colour
marker in the dustbag change indicator
fills the display.
The dustbags are disposable and in
-
tended to be used only once. Do not
attempt to re-use as suction would
be reduced.
Checking the dustbag change indica
-
tor
^
Attach the floorhead to the vacuum
cleaner. Other attachments, for exam-
ple the crevice nozzle can affect the
function of the dustbag change indi-
cator. Therefore only test with the
floorhead fitted.
^ Switch the vacuum cleaner on and
select the highest power setting.
^ Lift the floorhead off the floor a little. If
the marker completely fills the indica-
tor window, then the bag needs to be
changed.
How the dustbag change indicator
works
The indicator is designed to show when
the bag is full of common household
dust and works by measuring the air
permeabililty of the dustbag. Normal
household dust is composed of a mix-
ture of dust, hair, carpet fluff, threads,
grit etc.
However, if an amount of fine dust,
such as plaster, brick dust, cement or
flour is vacuumed then the pores of the
dustbag become blocked very quickly.
The marker will indicate that the bag is
"full" even when it is not. In this instance
the dustbag must be changed as suc
-
tion power is reduced when the pores
of the dustbag are blocked.
If, on the other hand, a large quantity of
hair, wool or carpet fluff is vacuumed,
the dustbag change indicator may not
register "full" even though the bag is
full. This is because the air permeability
of the dustbag may still be high enough
not to activate the marker to show maxi
-
mum. The dustbag should still be
changed.
Maintenance and care
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