Bedienungsanleitung Festool CTH 48 E a (Seite 20 von 122) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Polnisch, Schwedisch, Norwegisch, Finnisch)

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7.9 Volumetric flow monitoring

An acoustic warning signal sounds if the air speed in the suction hose falls below 20 m/s.

8Working

8.1 Handling

Hose store:

after finishing work, you can

feed the suction hose through the recess

[8-

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:

Systainer can be attached to the storage

area via the two slides

[8-1]

8.2 Extracting dry materials

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

discharged back into the room must not ex-

ceed 50% of the fresh air volume flow (room

volume V

x air renewal rate L

). Observe all

the relevant regional regulations.

Remember:

A moist main filter clogs more

quickly when extracting dry materials.

Therefore, dry the main filter before extract-

ing 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 sys-

tem as standard to discharge any static elec-

tricity that may develop. However, always

use the enclosed antistatic extraction hose.

8.5 After finishing work

Switch off the mobile dust extractor and

disconnect the plug.

Wind up the mains power cable.

Empty the dust container.

Close off the extractor opening

[1-2]

us-

ing the sealing plug

[1-1]

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.

CAUTION

Hazardous dust

Damage to the respiratory passage

Always use a safety filter bag when ex-

tracting 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.

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