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4 Maintenance
G
4.2 Changing the filter Your cylinder vacuum cleaner has the following filters:
A protective motor filter (Fig. 22/1) prevents larger
particles from destroying the motor if the dust filter bag is
defective.
Replace: after each 4th change of dust filter bag, at the
latest every 6 months
A hygienic exhaust filter (Fig. 22/2) filters the finest
particles from the blown-out air.
Replace: every 6 months
The filters can become blocked after some time and can
thereby reduce the suction power. It is therefore important
that the abovementioned intervals are adhered to.
On the other hand, replace a damaged filter as soon as
possible.
4.3 Changing the
protective motor filter
1. Switch off the appliance and remove the dust filter bag
as described under ZChapter 4.1, "Changing the dust
filter bag", steps 1-4.
2. Remove the filter holder together with the protective
motor filter (Fig. 23).
3. Separate the protective motor filter (Fig. 24/1) from the
filter holder (Fig. 24/2) over a dustbin.
4. Clean the filter holder.
5. If necessary lay the used protective motor filter on the
new cut-to-size protective motor filter. Draw the outline
of the filter and cut the protective motor filter to fit.
6. If necessary, insert a new protective motor filter into the
filter holder.
7. Together with the protective motor filter, push the filter
holder forcefully from above and correctly positioned
(curve up) into its receptacle.
8. Insert a dust filter bag and close the dust chamber
cover. The cover clicks audibly into place.
ATTENTION:
The filters are not washable. The exhaust filter cannot be
re-used.
NOTE:
If it is only slightly dirty, it can also suffice to knock the
protective motor filter over a dustbin. However, we
recommend that you use a new protective motor filter if
you have used 4 dust filter bags (order number
ZChapter 8, "Spare parts").
Fig. 22