Manual Scheppach DS930 (page 16 of 72) (English, German, Dutch, French, Italian)

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m)Never allow the machine to operate while carry-

ing it at your side. The rotating tool can catch on

your clothing by accident and cause serious cutting

injuries.

n) Clean the air vent slits on your machine on a re-

gular basis. The cooling air fan sucks the dust into

the machine and excessive deposits of metal dust

can result in electrical hazards.

o) Never operate the machine near combustible ma-

terials. Sparks can ignite these materials.

p) Never use tools that have to be liquid-cooled.

Water and other liquid coolants can cause potenti-

ally fatal electric shocks.

Cause and prevention of kickbacks

A kickback is a sudden reaction to jamming or cat-

ching of a rotating disc, a support plate, a brush or

other accessory. Jamming or catching results in a

rapid standstill of the rotating accessory, whereby,

as a counter-reaction, an out-of-control machine is

accelerated around the jamming point in a direction

of rotation opposed to the accessory. If, for example,

a sanding disc is jammed or caught by the workpie-

ce, the disc circumference can dig into the workpiece

surface at the jamming point, causing the disc to be

expelled. The disc can either y towards or away from

the user, depending on the direction of rotation of the

disc at the jamming point. This can also cause sanding

discs to break. A kickback is the result of misuse of the

machine and/or incorrect method of work or operation

and can be avoided by closely observing the following

precautionary measures.

a) Always hold the machine rmly and position

your body and arms such that you can control

any kickback force. Always use the auxiliary hand-

le, if included in the delivery, to ensure optimum

control over kickbacks or reaction torques during

start-up. The user can control reaction torques or

kickbacks if suitable precautionary measures are ta-

ken.

b) Never place your hands near rotating tools. Tools

can kick back over your hand.

c) Never position your body in the area in which

the machine moves in the event of a kickback. A

kickback accelerates the machine in the direction of

rotation opposed to the disc at the jamming point.

d) Take extra care when working in corners, on

sharp edges, etc. Avoid kickbacks and prevent the

tool from seizing. Corners, sharp edges or a jump

back tend to cause the rotating tool to catch, thus

leading to a loss of control or a kickback.

Special safety instructions for ne sanding

a) Do not use excessively large sanding discs

when ne sanding. Observe the speci cations

of the manufacturer when selecting abrasive

discs. A sanding disc that is too large and protru-

des over the sanding pad represents a cutting injury

hazard and can cause catching, disc tears or kick-

backs.

Additional warning notes

a) Hold the machine rmly with both hands and

assume a stable stance when performing work.

Hold the machine with both hands to guide more se-

curely.

b) If potentially explosive or self-igniting dust is

produced during sanding, the processing inst-

ructions of the material manufacturer must be

observed under all circumstances.

c) Harmful/toxic dusts can be produced during

your work (e.g. lead-containing paint, some ty-

pes of wood and metal). Contact with these dusts,

Machine-related safety instructions

a) This machine is designed for sanding. Please

read all of the safety information, instructions, illust-

rations and descriptions delivered with the machine.

If the following instructions are not observed, this

can result in an electric shock, re and/or serious in-

jury.

b) Do not use this machine to perform work such

as roughing, brushing, polishing or disc san-

ding. Performing tasks for which the machine is not

designed can create hazards and lead to injury.

c) Never use accessories that were not specially

developed and intended for this machine. Just

because an accessory part can be tted on your ma-

chine does not guarantee danger-free operation.

d) The permissible rotational speed of the acces-

sory must be at least as high as the maximum

speed specied on the machine. Accessories that

rotate faster than the permissible level can rupture.

e) The outside diameter and the thickness of acces-

sories must be within the specied size range of

the machine. Accessories with incorrect dimensions

cannot be sufciently protected or controlled.

f) Threaded mounting of accessories must match

the grinder spindle thread. For accessories

mounted by anges, the arbour hole of the ac-

cessory must t the locating diameter of the

ange. Accessories that do not match the mounting

hardware of the power tool will run out of balance,

vibrate excessively and may cause loss of control.

g) Do not use damaged accessories. Before use,

always check accessories such as sanding pads

for nicks or cracks and check support plates

for cracks and excessive wear. Every time the

machine is dropped, check the machine and ac-

cessories for damage, or install undamaged ac-

cessories. Following the check and assembly of

accessories, ensure that all persons are beyond

the rotating range of the tool and run the machi-

ne for one minute at maximum speed. Damage

accessories usually break completely during this test

time.

h) Wear personal protective equipment. Depending

on the application, use a shield or protective

goggles. If practical, wear a breathing mask, ear

protectors, safety gloves and a work apron sui-

table to protect against impact or small sanding

or workpiece parts. The protective goggles must

be capable of blocking ying debris caused by the

various work operations. The breathing mask or de-

vice must be capable of  ltering particles generated

during work. Continuous exposure to loud noise can

cause loss of hearing.

i) Ensure that persons standing near the machi-

ne are at a safe distance from the work area. All

persons in the work area must wear personal

protective equipment. Parts of the workpiece or

broken accessories can y off and cause injury out-

side the immediate work area.

j) Always hold the machine by the insulated hand-

les if you intend to perform work that may pose a

risk of cutting into hidden power cables or your

own machine cable. Contact with live cables trans-

fers an electric current to metallic machine compo-

nents and causes electric shocks.

k) Keep the power cable away from rotating parts.

If you lose control, the power cable could be cut or

become stuck and your hand or arm could be drawn

into the rotating parts.

l) Never set the machine down until the tool has

stopped completely. Turning tools can catch on the

storage surface, causing you to lose control of the

machine.

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Scheppach DS930 Manual

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