Miele S 388, S 360 manual Dustbag change indicator, Checking the dustbag change, works, Operation

Operation

Dustbag change indicator
Change the dustbag when the colour
marker in the dustbag change indicator
fills the display.
	Dustbags are designed for single
	use only.
	Do not attempt to re-use them as
	suction would be reduced.
Checking the dustbag change
indicator
^ Attach the standard floorhead to the
		How the dustbag change indicator
	suction tube. Do not use any of the
	other floorheads or attachments as	works
	they will cause the dustbag change	The indicator is designed to measure
	indicator to give a false reading.
		the air permeability of a dustbag
^ Switch the vacuum cleaner on and		containing common household dust.
	turn the rotary selector (if applicable)	Normal household dust would contain a
	to the highest power setting.	mixture of dust, hair, carpet fluff,
^ Lift the floorhead off the floor a little. If		threads, grit etc.
	the red marker completely fills the	However, if the vacuum cleaner has
	dustbag change indicator you should	been used to suck up fine dust, such
	replace the dustbag with a new one.	as plaster, brick dust, cement or flour,
		the pores of the dustbag 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. If this happens you
		must still change the dustbag because
		suction power will be greatly reduced
		by blocked pores in the dustbag.
		If, on the other hand, you have
		vacuumed up a lot of hair and carpet
		fluff which typically contains a lot of air
		the indicator may fail to react even
		though the bag is full. You should still
		change it! Both these extremes can
		occur.

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