Working - Festool CTL 48 E LE EC/B22 Original Operating Manual

slightly and push the black brake lever downwards
until it latches into place. Push the green lever [1-
14] again to release.
7.7 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 and allow to
cool for approx. 5 minutes.

Change the cooling air filter if necessary (see
chapter 9.2).
 If the mobile dust extractor will not switch on
again, please contact a Festool service work-
shop.
7.9 Volumetric flow monitoring
An acoustic warning signal sounds if the air speed in the suction hose falls below 20 m/s.
Possible causes
Value set on the suction power adjuster [1-
10] is too low.
Rotary knob [1-8] not set to the correct hose
diameter.
Suction hose blocked or kinked.
Filter bag full.
Dirty main filter.
Monitoring electronics malfunction.
Wet extraction.
8

Working

8.1 Handling
SysDoc SYSTAINER attachment system: A SYS-
TAINER can be attached to the storage area using
the four locking latches [6-1].
8.2 Extracting dry materials
CAUTION
Hazardous dust
Damage to the respiratory passage

Always use a filter bag when extracting hazard-
ous materials!

Do not use the machine if the volumetric flow
monitoring function is inactive.
Observe the following when extracting dust gener-
ated by operating electric power tools:
CTM 48 E LE EC/B22, CTL 48 E LE EC/B22
7.8 Changing the filter bag (SC-FIS-CT 48)
Removing the filter bag [4]

Open the locking clips [2-2] and remove the top
section of the machine [2-1].

Remove the filter bag.

Dispose of the used filter bag in accordance with
statutory regulations.
Inserting the filter bag [5]

Insert a new filter bag (SC-FIS-CT 48) in the inlet
port of the dust container and interlock it. Im-
portant: be aware that the locking engages.
 Make sure that the filter bag is not pinched be-
tween the top and bottom sections.

Replace the top section [2-1] and close the
locking clips [2-2].
Solution
Set the suction power adjuster to a higher value (see
Chapter 7.5).
Set the knob to the correct hose diameter (see Chapter
7.1).
Remove blockage or kink.
Insert a new filter bag (see Chapter 7.8).
Changing the main filter (see Chapter 9.1).
Send to a Festool service workshop for repair.
Functional reliability not affected, no actions required.
If the exhaust air is discharged back into the room,
the air renewal rate L within the room must be suf-
ficient. The volume of air discharged back into the
room must not exceed 50% of the fresh air volume
flow (room volume V
serve all the relevant regional regulations.
Remember: A moist main filter clogs more quickly
when extracting dry materials. Therefore, dry the
main filter before extracting dust or replace the
damp filter with a dry one.
8.3 Extracting fluids
Before extracting fluids, remove the filter bag (see
Chapter 7.8). We recommend using a special wet
filter.
The dust extractor stops automatically when the
maximum level is reached.
x air renewal rate L
R
GB
). Ob-
W
17