Manual Fein WSB20-230 (page 21 of 191) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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Do not run the power tool while carrying it at your side.

Accidental contact with the spinning accessory could snag

your clothing, pulling the accessory into your body.

Regularly clean the power tool’s air vents. The motor’s

fan will draw the dust inside the housing and excessive

accumulation of powdered metal may cause electrical

hazards.

Do not operate the power tool near flammable materials.

Sparks could ignite these materials.

Do not use accessories that require liquid coolants. Using

water or other liquid coolants may result in electrocution

or shock.

Kickback and related warnings

Kickback is a sudden reaction to a pinched or snagged

rotating wheel, backing pad, brush or any other acces-

sory. Pinching or snagging causes rapid stalling of the

rotating accessory which in turn causes the uncontrolled-

power tool to be forced in the direction opposite of the

accessory’s rotation at the point of the binding.

For example, if an abrasive wheel is snagged or pinched

by the workpiece, the edge of the wheel that is entering

into the pinch point can dig into the surface of the mate-

rial causing the wheel to climb out or kick out. The wheel

may either jump toward or away from the operator,

depending on direction of the wheel’s movement at the

point of pinching. Abrasive wheels may also break under

these conditions.

Kickback is the result of power tool misuse and/or incor-

rect operating procedures or conditions and can be

avoided by taking proper precautions as given below.

Maintain a firm grip on the power tool and position your

body and arm to allow you to resist kickback forces.

Always use auxiliary handle, if provided, for maximum

control over kickback or torque reaction during start-up.

The operator can control torque reactions or kickback

forces, if proper precautions are taken.

Never place your hand near the rotating accessory.

Accessory may kickback over your hand.

Do not position your body in the area where power tool

will move if kickback occurs. Kickback will propel the

tool in direction opposite to the wheel’s movement at

the point of snagging.

Use special care when working corners, sharp edges, etc.

Avoid bouncing and snagging the accessory. Corners,

sharp edges or bouncing have a tendency to snag the

rotating accessory and cause loss of control or kickback.

Do not attach a saw chain woodcarving blade or toothed

saw blade. Such blades create frequent kickback and loss

of control over the power tool.

Additional safety instructions for grinding and cut-

ting off operations

Use only wheel types that are recommended for your

power tool and the specific guard designed for the

selected wheel. Wheels for which the power tool was

not designed cannot be adequately guarded and are

unsafe.

The guard must be securely attached to the power tool

and positioned for maximum safety, so the least amount

of wheel is exposed towards the operator. The guard

helps to protect operator from broken wheel fragments

and accidental contact with wheel.

Wheels must be used only for recommended applications.

For example: do not grind with the side of the cut-off

wheel. Abrasive cut-off wheels are intended for periph-

eral grinding; side forces applied to these wheels may

cause them to shatter.

Always use undamaged wheel flanges that are of correct

size and shape for your selected wheel. Proper wheel

flanges support the wheel thus reducing the possibility of

wheel breakage. Flanges for cut-off wheels may be differ-

ent from grinding wheel flanges.

Do not use worn down wheels from larger power tools.

Wheels intended for larger power tools are not suitable

for the higher speed of a smaller tool and may burst.

Additional safety warnings specific for abrasive

cutting off operations

Do not “jam” the cut-off wheel or apply excessive pres-

sure. Do not attempt to make an excessive depth of cut.

Overstressing the wheel increases the loading and sus-

ceptibility to twisting or binding of the wheel in the cut

and the possibility of kickback or wheel breakage.

Do not position your body in line with and behind the

rotating wheel. When the wheel, at the point of opera-

tion, is moving away from your body, the possible kick-

back may propel the spinning wheel and the power tool

directly at you.

When wheel is binding or when interrupting a cut for any

reason, switch off the power tool and hold the power tool

motionless until the wheel comes to a complete stop.

Never attempt to remove the cut-off wheel from the cut

while the wheel is in motion otherwise kickback may

occur. Investigate and take corrective action to eliminate

the cause of wheel binding.

Do not restart the cutting operation in the workpiece. Let

the wheel reach full speed and carefully reenter the cut.

The wheel may bind, walk up or kickback if the power

tool is restarted in the workpiece.

Support panels or any oversized workpiece to minimize

the risk of wheel pinching and kickback. Large work-

pieces tend to sag under their own weight. Supports

must be placed under the workpiece near the line of cut

and near the edge of the workpiece on both sides of the

wheel.

Use extra caution when making a “pocket cut” into exist-

ing walls or other blind areas. The protruding wheel may

cut gas or water pipes, electrical wiring or objects that can

cause kickback.

Safety warnings specific for sanding operations

Do not use excessively oversized sanding disc paper. Fol-

low manufacturers recommendations, when selecting

sanding paper. Larger sanding paper extending beyond

the sanding pad presents a laceration hazard and may

cause snagging, tearing of the disc, or kickback.

OBJ_BUCH-0000000033-001.book Page 21 Wednesday, March 23, 2011 3:51 PM

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Fein WSB20-230 Manual

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