Manual Festool LEX 3 125 3 (page 17 of 101) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Spanish, Norwegian, Finnish)

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LEX 3

6 Compressed-air supply and

commissioning

6.1 Compressed air preparation

The machine is designed for lubricated and

non-lubricated operation.

The Festool service unit VE must be used in

lubricated operation. Consisting of a filter,

control unit, condensation drain and lubrica-

tor, the service unit cleans and lubricates the

compressed air and keeps it free of conden-

sation. Here, the lubricator should be set so

that a drop is applied to the compressed air

approx. every 15 minutes.

Damage that occurs as a result of in-

correct compressed air processing is

excluded from warranty claims.

We recommend a service unit with a 3/8"

connector, when up to two Festool com-

pressed air tools are used.

A compressor that supplies at least 350 l/min

at an operating pressure of 6 bar should be

used to supply compressed air.

The diameter of the piping system must be

sufficiently large (at least 9 mm).

6.2 Connection for IAS hose system

[3]

The IAS hose system combines several func-

tions in one hose depending on the version:

– Compressed air supply

[3-1]

– Exhaust air extraction

[3-2]

– Dust extraction

[3-3]

6.3 Switch on/off

Switching-on: Press

[1-1]

switch.

Switching off: Release

[1-1]

switch.

7 Settings

7.1 Setting and adjusting the speed

Can be adjusted at the control lever

[1-4]

between

This enables you to optimise the material re-

moval capacity to suit the respective materi-

al or application.

7.2 Replacing the sanding pad [4]

An optimal work result can only be

achieved using original accessories and

consumables. The use of non-original

accessories or consumables invalidates the

right to claim under warranty.

Health risk:

Fitting sanding pads of in-

correct size causes excessive vibration

of the machine.

Tuned to the surface being processed, the

machine can be equipped with three sanding

pads of different hardnesses.

Hard:

Coarse and fine sanding on surfaces.

Sanding edges.

Soft:

Universal for coarse and fine sanding,

for flat and convex surfaces.

Extra-soft:

Fine sanding of moulded parts,

arches, radii. Do not use on edges.

7.3 Attaching sanding accessories

using StickFix [4b]

The suitable StickFix sandpaper and StickFix

sanding cloth can be attached quickly and

simply to the StickFix sanding pad.

Press the self-adhesive sanding accessory

onto the sanding pad

[1-5]

7.4 Dust extraction

For use of a Festool mobile dust extractor

with flow sensor

: Adjust hose diameter

of mobile dust extractor to Ø 27 mm.

To guarantee optimal dust extraction, we

recommend using Festool extractors with au-

tomatic switch-on/switch-off device for com-

pressed air machines.

CAUTION

Risk of injury

Make sure that the pneumatic tool is

switched off when you connect the com-

pressed-air supply.

CAUTION

Risk of injury

The machine should always be disconnect-

ed from the compressed air supply before

any work is carried out on the machine.

LEX 3 77/2.5 7.800 - 10.500 rpm

LEX 3 125/3, 125/5 7.500 - 9.500 rpm

LEX 3 150/3, 150/5 7.000 - 10.000 rpm

WARNING

Dust hazard

Always work with a dust extractor.

Always observe country-specific regulations.

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Festool LEX 3 125 3 Manual

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