20
35
31
38
24
Fig. 21
Q
The Z4 VARIOmatic is equipped with 3 filter
cartridges (24) that must be replaced to-
gether when their efficiency is no longer
given.
Q If no increase of suction power is reached
after 3 successive cleaning cycles, the
filter cartridges must be replaced.
Q The LEDs L4 (dust container) and L5
(service) are lit permanently.
Q If this condition is already reached after
less than a year, the lifetime may be
extended by shortening the cleaning
interval.
Q
Switch off the unit at the mains switch (29).
Q Remove the door (18) and put it aside.
Q Loosen the 8 pcs. M4 nuts on the filter
cover (35) with a 7mm socket wrench
and pull off the filter cover (35) from the
threaded bolts.
Respiratory protection and gloves must be
used for further steps! For the soiled dirty
filters, have a suitable waste bag ready.
3.2 Filter cartridges
24 Filter cartridge
31 Dust container
35 Filter cover
38 Clamping lever
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