Manual Fein WSG20-230 (page 22 of 191) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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Safety warnings specific for wire brushing opera-

tions

Be aware that wire bristles are thrown by the brush even

during ordinary operation. Do not overstress the wires by

applying excessive load to the brush. The wire bristles

can easily penetrate light clothing and/or skin.

If the use of a guard is recommended for wire brushing,

do not allow any interference of the wire wheel or brush

with the guard. Wire wheel or brush may expand in

diameter due to work load and centrifugal forces.

Further safety warnings

Use elastic spacers/liners when these are provided with

the grinding accessory.

Make sure that the application tools are mounted in

accordance with the manufacturers instructions. The

mounted application tools must be able to rotate freely.

Incorrectly mounted application tools can become loose

during operation and be thrown from the machine.

Handle grinding accessories carefully and store them

according to the manufacturer’s instructions. Damaged

grinding accessories can develop cracks and burst during

operation.

When using application tools with a threaded insert, take

care that the thread in the application tool is long enough

to hold the spindle length of the power tool. The thread in

the application tool must match the thread on the spindle.

Incorrectly mounted application tools can loosen during

operation and cause injuries.

Beware of any concealed electric cables, gas or water

conduits; check the working area with a metal detector,

for example, before commencing work.

Use a stationary extraction system, blow out ventilation

slots frequently and connect a residual current device

(RCD) on the line side. When working metal under

extreme operating conditions, it is possible for conduc-

tive dust to settle in the interior of the power tool. The

total insulation of the power tool can be impaired.

Do not rivet or screw any name-plates or signs onto the

power tool. If the insulation is damaged, protection

against an electric shock will be ineffective. Adhesive

labels are recommended.

Always work with the auxiliary handle. The auxiliary han-

dle ensures reliable guiding of the power tool.

Before putting into operation, check the mains connec-

tion and the mains plug for damage.

Recommendation: The tool should always be supplied

with power via a residual current device (RCD) with a

rated current of 30 mA or less.

Hand/arm vibrations

The vibration emission level given in this information

sheet has been measured in accordance with a standard-

ised test given in EN 60745 and may be used to compare

one tool with another. It may be used for a preliminary

assessment of exposure.

The declared vibration emission level represents the

main applications of the tool. However if the tool is used

for different applications, with different accessories or

poorly maintained, the vibration emission may differ.

This may significantly increase the exposure level over

the total working period.

An estimation of the level of exposure to vibration

should also take into account the times when the tool is

switched off or when it is running but not actually doing

the job. This may significantly reduce the exposure level

over the total working period.

Identify additional safety measures to protect the opera-

tor from the effects of vibration such as: maintain the tool

and the accessories, keep the hands warm, organisation

of work patterns.

Handling hazardous dusts

For work procedures with this power tool where mate-

rial is removed, dusts develop that can be hazardous to

one’s health.

Contact with or inhaling some dust types, e. g. asbestos

and asbestos-containing materials, lead-containing coat-

ings, metal, some wood types, minerals, silicate particles

from materials containing stone, paint solvents, wood

preservatives, antifouling paints for vessels, can trigger

allergic reactions to the operator or bystanders and/or

lead to respiratory infections, cancer, birth defects or

other reproductive harm. The risk from inhaling dusts

depends on the exposition. Use dust extraction matched

appropriately for the developing dust, as well as personal

protective equipment and provide for good ventilation of

the workplace. Leave the processing of asbestos-contain-

ing materials to specialists.

Wood and light-metal dust, hot mixtures of sanding dust

and chemical materials can self-ignite under unfavourable

conditions or cause an explosion. Avoid sparking in the

direction of the dust collector as well as overheating of

the power tool and the materials being sanded, empty the

dust collector/container in time, observe the material

manufacturer’s working instructions, as well as the rele-

vant regulations in your country for the materials being

worked.

Operating instructions.

The self-start lock prevents the angle grinder from auto-

matically restarting again, even after a brief interruption

of the power supply, e. g., from a pulled mains plug.

WSG20/WSG25:

Press the locking button only when the motor is

stopped (see page 5).

WSB20/WSB25:

Turn the clamping unit in when the rapid-clamping lever

is open. Manually tighten the clamping unit until a ratch-

eting noise starts. Fold the rapid-clamping lever back until

it engages (see page 6).

Notes: The electronic braking system EBS starts the brak-

ing effect with a brief delay when the machine runs down

and stops the grinding accessory within a few seconds.

When the power supply is interrupted during operation

or when the mains plug is pulled during operation, the

grinding accessory runs out without a braking effect.

OBJ_BUCH-0000000033-001.book Page 22 Wednesday, March 23, 2011 3:51 PM

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Fein WSG20-230 Manual

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