Festool CTH 26 E-AC CLEANTEX: 1 Safety instructions

14

CTH

GB

Original operating manual

1 Safety  instructions

1.1

General safety instructions

Warning! Read and observe all information and safety instructions.

Ignoring

warning notes and instructions may lead to electric shocks, fires and/or cause seri-

ous injury. 

Keep all safety information and other instructions in a safe place for future refer-

ence.

– This machine can be operated by 

children

 over 8 years of age and persons with re-

duced physical, sensory or mental capabilities or a lack of practical experience and

knowledge, provided they are supervised or have been instructed to use the ma-

chine safely and understand the dangers of machine operation. 

Children

 must not

play with the machine. 

Cleaning and user maintenance

 may not be performed by

children

 without supervision.

–

WARNING:

 This device contains hazardous dust. Only specialists using suitable pro-

tective equipment in accordance with these operating instructions may perform

emptying and maintenance tasks, including emptying the dust collection container.

Never operate the device without the complete filtration system.

– Always use suitable protective equipment!

– If intact following a visual inspection, work in a dry environment according to in-

structions!

–

Risk of explosion and fire hazard: do not extract 

sparks or hot dust, flammable or

explosive dust (e.g. magnesium, aluminium, petrol, thinner, with the exception of

wood), aggressive fluids/solids (e.g. acid, leach, solvent). 

– Observe all national safety regulations as well as the material manufacturer's spec-

ifications!

– Always use the socket on the machine for the purpose specified!

– Do not pull the plug from the socket by the cable.

– Check the plug and the cable regularly and should either become damaged, in order

to avoid a hazard, have them replaced by an authorised after-sales service work-

shop.

– Do not lift or transport using a crane hook or lifting gear!

1.2

Extracting asbestos dust

After the extractor is used to extract

asbestos dust in a sealed-off area, it

can no longer be used in the white ar-

ea. Exceptions are only permitted if

the asbestos dust extractor has been completely

decontaminated by an approved specialist. This

must be recorded in writing and signed by the ap-

proved specialist.

Fixed filters may only be replaced in suitable areas

(e.g. decontamination stations) by an approved spe-

cialist.

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GB

The applicable national regulations (for ex-

ample TRGS 519) may contain further provi-

sions that regulate or restrict the application

areas of the mobile dust extractor and which

must be observed when extracting dust con-

taining asbestos particles.

2

Symbols

The specified illustrations appear at the beginning

of the Operating Instructions.

3

Technical  data

4

Machine features

Warning of general danger

Risk of electric shock

Read the Operating Instructions/Notes!

Wear a dust mask.

Do not throw in the household waste.

Warning contains asbestos

Socket with automatic switch-on unit

≤ 0,1 mg/m

3

 (dust class H)

WARNUNG

Mobile dust extractors 

Power consumption

350 - 1000 W

Maximum appliance socket connected load

EU

CH, DK

GB 240 V/ 110 V

2400 W

1100 W

1800 W/ 500 W

Max. suction capacity (air), turbine 

1

234 m³/h (3900 l/min)

Max. vacuum, turbine

 1

24000 Pa

Filter surface area

6318 cm²

Suction hose

D 27 mm x 3,5 m-AS

Length of the net cable

7,5 m

Sound pressure level as per EN 60704-2-1 / Uncertainty K 

71 dB(A) / 3 dB

Protection category

IP X4

Container capacity

CTH 26 E/a

26 l

CTH 48 E/a

48 l

Dimensions L x W x H

CTH 26 E/a

630 x 365 x 540 mm

CTH 48 E/a

740 x 406 x 1005 mm

Weight

CTH 26 E/a

13,9 kg

CTH 48 E/a

18,8 kg

1. 

The suction capacity and vacuum are dependent on the selected hose diameter. For more information please refer to page 6.

[1-1]

Sealing plug

[1-2]

Intake opening

[1-3]

Module slot

[1-4]

Appliance socket

[1-5]

Hose store

[1-6]

Handle

[1-7]

SysDoc

[1-8]

Hose diameter setting

[1-9]

Suction power adjuster

[1-10]

Switch

[1-11]

Warning sticker

[1-12]

Locking clip

[1-13]

Dust container

[1-15]

Brake

16

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5

Intended use

The mobile dust extractor is suitable for the ab-

sorption and suction of dust which is hazardous to

health with limit values corresponding to dust class

'H' in accordance with EN 60335-2-69, including

wood and paint dust.

The mobile dust extractor is suitable for the ab-

sorption and suction of dust with carcinogenic and

pathogenic particles, as well as asbestos dust.

The mobile dust extractor is designed to absorb

water.

The mobile dust extractor is, in accordance with EN

60335-1 and EN 60335-2-69, suitable for increased

demands for commercial use.

The user is liable for improper or non-in-

tended use.

6

Operation

6.1

Initial operation



Open the locking clips 

[2-2]

 and remove the top

section of the machine 

[2-1]

.



Remove the accessories from the dust contain-

er 

[2-3]

 and the packaging!



Affix the accompanying sticker in your national

language over the text field on the warning sign

[1-11]

.



Insert the sealing plug 

[1-1]

 on the panel (see

Fig. 

[1a]

). 



Place a filter bag or safety filter bag in the dirt

trap in accordance with statutory requirements

(see Chapter 7.7, 7.8).



Replace the top section 

[2-1]

 and close the

locking clips 

[2-2]

.



Attach the cable holder to the rear of the mobile

dust extractor (see Fig. 

[3]

).



Connect the suction hose to the machine.

6.2

Switch on/off



Insert the plug into an earthed socket.

The switch 

[1-10]

 serves as an on/off switch.

Switch position "0"

Appliance socket 

[1-4]

 is disconnected from the

power, mobile dust extractor is switched off.

"MAN" switch position

Appliance socket 

[1-4]

 is connected to the power,

the mobile dust extractor starts.

"Auto" switch position

Appliance socket 

[1-4]

 is connected to the power,

the mobile dust extractor starts when the connect-

ed tool is switched on.

7

Settings

7.1

Adjusting the hose diameter



Adjust the hose diameter adjuster 

[1-8]

 to

match the diameter of the connected hose.



The monitoring devices will measure the air

speed in the extractor hose correctly as a result

(see chapter 7.9).

7.2

Connecting electric power tools



Connect the electric power tool to the appliance

socket 

[1-4]

.

7.3

Connecting pneumatic tools

If the compressed air module 

[1-3]

 (496141) is in-

stalled, the automatic switch-on function of the

mobile dust extractor also works in combination

with pneumatic tools. 

WARNING

Unauthorised voltage or frequency!

Risk of accident



The mains voltage and the frequency of the pow-

er source must correspond with the specifica-

tions on the machine's name plate.



In North America, only Festool machines with

the voltage specifications 120 V/60 Hz may be

used.

WARNING

Risk of injury from tools starting up unexpectedly



Before setting the switch to the "AUTO" or

"MAN" position, make sure that the connected

tool is switched off.

WARNING

Risk of injury



Observe the maximum appliance socket con-

nected load (see chapter "Technical data")



Switch off the electric power tool.

WARNING

Risk of injury



Switch off the air tool.

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GB

We also recommend installing the VE service unit

(495886). The service unit filters and lubricates the

compressed air and enables an adjustment of the

air pressure. An IAS adapter (454757) is available to

connect Festool pneumatic tools to the IAS system.

The operating pressure of the tool must be 6 bar for

the automatic switch-on unit to function correctly.

7.4

Adjusting the suction power 



Use the rotary knob 

[1-9]

.

7.5

Applying the brake

Folding out the black brake lever 

[1-15]

 prevents

the mobile dust extractor from rolling. To achieve

this, lift the front end of the mobile dust extractor

slightly and push the black brake lever downwards

until it latches into place. Push the green lever 

[1-

14]

 again to release.

7.6

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.

7.7

Changing the filter bag 

(SC-FIS-CT26/48)

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.



Clean the dust container 

[2-3]

.

Inserting the filter bag [5]



Insert a new filter bag(SC-FIS-CT26/48) in the

inlet port of the dust container and interlock it.

Important:

 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]

.

7.8

Changing the safety filter bag 

(FIS-CTH 

26/48)

Always use the safety filter bag for absorb-

ing Class H dust.

Removing the safety filter bag [6]



Close off the extractor opening 

[1-2]

 using the

sealing plug 

[1-1]

.



Open the locking clips 

[2-2]

 and remove the top

section of the machine 

[2-1]

.



Knock the material of the plastic bag upwards

and close the lateral openings with the adhesive

tabs.



Close the plastic bag around the filter bag using

the cable ties supplied.



Remove the safety filter bag



Dispose of the used safety filter bag in accor-

dance with statutory regulations.



Clean the dust container 

[2-3]

.

Inserting the safety filter bag [7]



Insert a new safety filter bag (FIS-CTH 26/48) on

the inlet nozzle of the container and lock in po-

sition. 

Important:

 Ensure the lock is snapped in.



Place the plastic bag over the edge of the con-

tainer. The lateral openings on the safety filter

bag must be positioned inside the dirt trap.

Ensure the contacts are 

[10-2]

free. 



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]

.

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

Solution

Value set on the suction power adjuster 

[1-9]

 is 

too low.

Set the suction power adjuster to a higher value (see 

Chapter 7.4).

Rotary knob 

[1-8]

 not set to the correct hose 

diameter.

Set the knob to the correct hose diameter (see Chapter 

7.1).

Suction hose blocked or kinked.

Remove blockage or kink.

Filter bag full.

Insert a new filter bag (see Chapter 7.7).

Dirty main filter.

Changing the main filter (see Chapter 9.1).

Monitoring electronics malfunction.

Send to a Festool service workshop for repair.

Wet extraction.

Functional reliability not affected, no actions required.

18

CTH

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8

Working

8.1

Handling 

Hose store:

 after finishing work, you can feed the

suction hose through the recess 

[8-3]

 and place it

in the hose store. You can do the same with the

mains cable through the other recess 

[8-2]

.

SysDoc Systainer attachment system:

 a Systainer

can be attached to the storage area via the two

slides 

[8-1]

.

8.2

Extracting dry materials

When extracting large quantities of oak or

beech wood dust or dust that exceeds the

permitted 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: 

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

R

 x air renewal rate L

W

). Ob-

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 the absorption of liquids remove the filter

bag or safety filter bag (see Chapter 7.7, 7.8). The

use of a special wet filter is recommended.

The dust extractor stops automatically when the

maximum level is reached.

8.4

The antistatic system

Friction inside the extraction hose causes static

electricity to develop during extraction. Operating

personnel may receive unpleasant electric shocks

while working. The mobile dust extractor is fitted

with an antistatic system as standard to discharge

any static electricity that may develop. However, al-

ways use the enclosed antistatic extraction hose.

8.5

After finishing work

Pull the plug from the socket when the ma-

chine is not in use and prior to maintenance

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]

.

The machine shall be stored indoors only.



Place the mobile dust extractor in a dry room in-

accessible to unauthorised users.

Observe for dust reduced transport:



Ensure a secure fixation during transport.

Only transport the appliance with closed

sealing plug.

CAUTION

Hazardous dust

Damage to the respiratory passage



Always use a safety filter bag when extracting

hazardous materials!



Do not use the machine if the volumetric flow

monitoring function is inactive.

CAUTION

Escaping foam and fluids



Switch off the machine immediately and empty

the dirt trap.

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 work-

ing area.



Parts that you were not able to clean thoroughly

must be sealed in an airtight plastic bag prior to

transportation.



Wear a dust mask!

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9

Service and maintenance

Customer service and repair

 only

through manufacturer or service

workshops: Please find the nearest

address at:

www.festool.com/Service

Use only original Festool spare parts!

Order No. at:

www.festool.com/Service

Damaged safety devices and compo-

nents must be repaired or replaced in

a recognised specialist 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 deter-

mine whether the filter is damaged, the machine

is sealed properly and the monitoring features

are functioning correctly.

– In addition the machine filtration efficiency

should be tested at least annually, or more fre-

quently as may be specified by national require-

ments. The test method can be used to verify the

machine’s filter efficiency are specified in EN

60335-2-69 AA.22.201.2.. If the test fails, it shall

be repeated with a new essential filter. 

– Anything that cannot be cleaned must be dis-

carded in impermeable bags. Observe applicable

disposal regulations!

– For user servicing, the machine must be disman-

tled, cleaned and serviced, as far as is reasonably

practicable, without causing risk to the mainte-

nance staff and others. Suitable precautions in-

clude, decontamination before dismantling,

provision from local filtered exhaust ventilation

where the machine is dismantled, cleaning of the

maintenance area and suitable personal protec-

tion.

Information for sending dust extractors to

repair workshops

Observe the following instructions, which are de-

signed to protect personnel in repair workshops

and during transportation:



Clean the machine thoroughly (inside and out).



Remove the filter/disposal bag.



Pack the machine in suitable airtight plastic

bag.



 Attach a list of the hazardous substances that

the machine has extracted on the outside of the

airtight packaging.

9.1

Changing the filter element



Open the locking clips 

[2-2]

 and remove the top

section of the machine 

[2-1]

.



Turn the top section of the machine so that the

main filter 

[9-1]

is facing upwards (Fig.

[9]

).



Remove the two safety bolts 

[9-3]

on the lever

[9-4]

using a screwdriver.



Fold over the lever 

[9-4]

 and remove the retain-

er 

[9-2]

with the main filter.



Insert the retainer with the main filter in the

safety bag supplied.



Remove the main filter from the retainer.



Remove the retainer from the safety bag. 



Close and dispose of the safety bag in accor-

dance with statutory regulations.



Clean any dust deposits from the area behind

the main filter.



Insert a new main filter in the frame.

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.

EKAT

1

2

3

5

4

WARNING

Dust raised during changing filter bag and main

filter



Wear a dust mask!



If you are disposing of asbestos, wear disposable

clothing.

WARNING

Risk of injury



Do not reuse the essential filter element after

removal out of the machine.

NOTE

Motor damage



Never operate the extractor without a filter ele-

ment fitted as the motor may become damaged.

20

CTH

GB



Insert the retainer 

[9-2]

with the main filter and

fold over the lever 

[9-4]

 until it engages in posi-

tion.



Tighten the safety screws

[9-3]

.



Replace the top section 

[2-1]

 and close the

locking clips 

[2-2]

.

9.2

Emptying the dust container

The dust container 

[2-3]

 can be emptied once the

top section has been removed.



After extracting fluids, clean the fill level sen-

sors 

[10-1]

 regularly with a soft cloth and in-

spect for damage. 

10

Accessories

The order numbers for the accessories and filters

can be found in the Festool catalogue or on the In-

ternet at "www.festool.com".

10.1

Modules

The following modules for upgrading the mobile

dust extractor are available in the accessories pro-

gramme. Modules must be fitted to the module slot

[1-3]

 by an authorised service workshop: 

– Compressed air module,

– Socket module with permanent power supply,

– Socket module with automatic switch-on unit

(not suitable for GB 110 V version),

– Energy box module (EAA) for using the automatic

switch-on unit on the EAA.

You can find more detailed information on the mod-

ules at "www.festool.com".

11

Environment

Do not dispose of the device in house-

hold waste!

 Recycle devices, accesso-

ries and packaging. Observe applica-

ble country-specific regulations.

EU only: 

European Directive 2002/96/EC stipulates

that used electric power tools must be collected

separately and disposed of at an environmentally

responsible recycling centre. 

Information on REACh:

www.festool.com/reach

12

EU Declaration of Conformity

We declare under sole responsibility that this prod-

uct complies with all the relevant requirements in

the following Directives, standards and normative

documents:

2006/42/EC, 2004/108/EC, 2011/65/EU, EN 60335-

1, EN 60335-2-69, EN 55014-1, EN 55014-2, EN

61000-3-2, EN 61000-3-3. 

Festool Group GmbH & Co. KG

Wertstr. 20, D-73240 Wendlingen, Germany

Dr. Martin Zimmer

Head of Research, Development and Technical

Documentation 

2013-01-21

Mobile dust extractor

Serial no.

CTH 26 E/a

496162, 498530,

498531

CTH 48 E/a

496163

Year of CE mark: 2010