CTL
GB
7.2
Temperature cut-out
A temperature cut-out switches the mobile dust ex-
tractor off when it reaches a critical temperature to
prevent overheating.
Switch off the mobile dust extractor, allow to
cool for about 5 minutes then switch on again.
Not possible to switch on: contact Festool ser-
vice workshop.
7.3
AUTOClean - Cleaning the main filter
(only versions with AutoClean)
Only in conjunction with disposal bag (com-
pliance with dust class 'L'). Not suitable for
wet extraction!
Automatic cleaning
Adjust the frequency using the rotary knob [1-7].
Manual cleaning
Turn the switch [1-8] to the AC symbol.
Full manual cleaning
Cover the end of the nozzle or suction hose with
your hand or closing slide CT-VS (497926) for 2
seconds.
Turn the switch [1-8] to the AC symbol.
8
Working
8.1
Extracting dry materials
CAUTION
Hazardous dust
Damage to the respiratory passage
Always use a filter or disposal bag!
When extracting dust that exceeds the per-
mitted limit values, only extract from a single
machine (electric or air tool).
Observe the following when extracting dust gener-
ated by operating electric power tools:
Ensure there is adequate ventilation! Observe re-
gional regulations!
Limit values: exhaust air max. 50% of the clear air
volume
Formula: room volume V
8.2
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!
14
x air renewal rate L
R
W
CAUTION
Escaping foam and fluids
Switch off and empty the machine immediately.
8.3
After finishing work
Only versions with AutoClean: Clean the main
filter automatically or manually (see chapter
7.3).
Switch off the mobile dust extractor and pull out
the mains plug.
Wind up the mains power cable.
Empty the dirt trap.
Place the mobile dust extractor in a dry room in-
accessible 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 requires
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
Use only original Festool spare parts!
4
Order No. at:
5
www.festool.com/Service
3
2
1
Clean the level sensors [5] and empty the dirt
trap [1-11] regularly.
Observe the following instructions:
– The manufacturer or an instructed person must
perform a dust test at least once a year to deter-
mine whether the filter is damaged, the machine
is sealed properly and the monitoring features
are functioning correctly.
– Anything that cannot be cleaned must be dis-
carded in impermeable bags. Observe applicable
disposal regulations!
9.1
Filter bag / disposal bag / main filter
Remove the filter bag [6].