Manual Vonroc AG503AC (page 8 of 88) (English, German, Dutch, Danish, French, Italian, Polish, Swedish, Spanish)

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accessory into your body.

n) 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.

o) Do not operate the power tool near ﬂammable

materials. Sparks could ignite these materials.

p) Do not use accessories that require liquid cool-

ants. 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 accessory. Pinching or snagging causes rapid

stalling of the rotating accessory which in turn causes

the uncontrolled power tool to be forced in the direc-

tion 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 material 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. Kick-

back 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.

a) Maintain a ﬁrm grip on the power tool and po-

sition 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.

b) Never place your hand near the rotating acces-

sory. Accessory may kickback over your hand.

c) Do not position your body in the area where

power tool will move if kickback occurs. Kick-

back will propel the tool in direction opposite to

the wheel’s movement at the point of snagging.

d) 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.

e) Do not attach a saw chain woodcarving blade or

toothed saw blade. Such blades create frequent

kickback and loss of control.

SAFETY WARNINGS SPECIFIC FOR GRINDING

AND ABRASIVE CUTTINGOFF OPERATIONS

a) 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.

b) The grinding surface of centre depressed

wheels must be mounted below the plane of

the guard lip. An improperly mounted wheel

that projects through the plane of theguard lip

cannot be adequately protected.

c) The guard must be securely attached to the

power tool and positioned for maximum safety,

so the least amount of wheel is exposed to-

wards the operator. The guard helps to protect

the operator from broken wheel fragments,

accidental contact with wheel and sparks that

could ignite clothing.

Wheels must be used only for recommended

applications. For example: do not grind with the

side of cut-off wheel. Abrasive cut-off wheels are

intended for peripheral grinding, side forces ap-

plied to these wheels may cause them to shatter.

e) 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 different

from grinding wheel ﬂanges.

f) Do not use worn down wheels from larger pow-

er tools. Wheel intended for larger power tool

is not suitable for the higher speed of a smaller

tool and may burst.

ADDITIONAL SAFETY WARNINGS SPECIFIC

FOR ABRASIVE CUTTINGOFF OPERATIONS

Cut-off operations are only suitable with a

special protection guard (not included) Fig.

C2 - D2.

a) Do not “jam” the cut-off wheel or apply ex-

cessive pressure. Do not attempt to make an

excessive depth of cut. Overstressing the wheel

increases the loading and susceptibility 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 operation, is moving away from your

body, the possible kickback may propel the spin-

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Vonroc AG503AC Manual

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