Festool CTH 26 E / a 574939 [20/123] Service and maintenance

Festool CTH 48 E / a 574941 [20/123] Service and maintenance
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
R
x air renewal rate L
W
). Observe all the rele
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.
8.3 Extracting fluids
WARNING
Hazardous dust
Damage to the respiratory passage
Hazardous dust must never be taken in
during wet extraction.
Before the absorption of liquids remove the fil
ter bag or safety filter bag (see Chapter 7.7 ,
7.8 ). The use of a special wet filter is recom
mended.
The dust extractor stops automatically when
the maximum level is reached.
CAUTION
Escaping foam and fluids
Switch off the machine immediately and
empty the dirt trap.
8.4 The antistatic system
Friction inside the extraction hose causes static
electricity to develop during extraction. Operat
ing personnel may receive unpleasant electric
shocks while working. The mobile dust extrac
tor is fitted with an antistatic system as stand
ard to discharge any static electricity that may
develop. However, always use the enclosed an
tistatic extraction hose.
8.5 After finishing work
Pull the plug from the socket when the
machine is not in use and prior to main
tenance and cleaning work.
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].
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.
Observe for dust reduced transport:
Observe for dust reduced transport:
Ensure a secure fixation during transport.
Only transport the appliance with closed
sealing plug.
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
1
2
3
5
4
Use only 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
English
19

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