8.4
Extracting dry materials
CAUTION
Hazardous dust
Damage to the respiratory passage
► Use a filter or disposal bag when extracting
hazardous materials!
► Do not use the machine if the volumetric
flow monitoring function is inactive.
Observe the following when extracting dust
generated by operating electric power tools:
If the exhaust air is discharged back into the
room, the air renewal rate L within the room
must be sufficient. The volume of air dis
charged back into the room must not exceed
50% of the fresh air volume flow (room volume
V
x air renewal rate L
R
vant regional regulations.
Remember: A moist main filter clogs more
quickly when extracting dry materials. There
fore, dry the main filter before extracting dust
or replace the damp filter with a dry one.
8.5
Extracting wet materials/liquids
Remove the filter or disposal bag!
Recommendation: use special wet filter
(NF-CT).
The dust extractor stops automatically when
the maximum level is reached.
After wet extraction, allow the main filter to dry!
CAUTION
Escaping foam and fluids
► Switch off and empty the machine immedi
ately.
8.6
After finishing work
► Only versions with AutoClean: Clean the
main filter automatically or manually (see
chapter 8.2).
► Switch off the mobile dust extractor and
pull out the mains plug.
► Wind up the mains power cable.
► Empty the dirt trap.
► Close off the extractor opening [1-2] using
the sealing plug [1-1].
). Observe all the rele
W
WARNING
Hazardous dust
Damage to the respiratory passage
► Wipe down the mobile dust extractor and
clean all accessories thoroughly using the
extractor (inside and out) before removing
from the working area.
► Parts that you were not able to clean thor
oughly must be sealed in an airtight plastic
bag prior to transportation.
► Wear a dust mask!
The machine shall be stored indoors on
ly.
► Place the mobile dust extractor in a dry
room inaccessible to unauthorised users.
9
Service and maintenance
WARNING
Risk of injury, electric shock
► Always disconnect the mains plug from the
socket before performing maintenance
work on the machine!
► All maintenance and repair work which re
quires the motor housing to be opened
must only be carried out by an authorised
service workshop.
Customer service and repair only through
manufacturer or service workshops: Please
find the nearest address at: www.festool.com/
service
EKAT
4
5
3
2
1
Only use original Festool spare parts! Order No.
at: www.festool.com/service
Damaged safety devices and components must
be repaired or replaced in a recognised special
ist workshop, unless otherwise indicated in the
operating manual.
Observe the following instructions:
–
The manufacturer or an instructed person
must perform a dust test at least once a
year to determine whether the filter is
damaged, the machine is sealed properly
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