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Take the drill out of the hole from time to time to remove dust.
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Switch to percussion-drilling for concrete, hard bricks and tiles, stone, hard cement,
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and marble (but not when drilling the surface of marble).
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For tiles, paving-stones, soft bricks and tiles, soft cement, breeze-block and plaster,
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switch to normal drilling.
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Use percussion carbide tipped masonry drill-bits.
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When drilling a hard, smooth surface (e.g. tiles), cover the point to be drilled with
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adhesive tape in order to prevent the drill tip from skidding.
Center punch the point you have marked for drilling.
Always hold sheet metal firmly in a vice.
Lay a block of wood under thin metal to prevent it from distorting.
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Use HSS spiral drill bits. (For white cast iron, use drill bits with special tips.)
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Before drilling large-diameter holes, first drill a small pilot hole.
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Use
lubricant:
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Steel:
Oil
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Aluminium: Turpentine, paraffin
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Brass, copper, cast iron: no lubricant, but take the drill out of the hole frequently to
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cool it off.
Center punch the point you have marked for drilling. To prevent the wood from
splintering when the drill bit tip breaks through, lay a piece of scrap wood
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undermeath it, or drill from both
sides.The
maximum drill-diameter can only be
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reached with a Forstner-drill bit.
Use screwdriver bits of the appropriate size and shape.
Suitable screws can be driven into softwood without pre-drilling.
Pre-drill into hardwood or for screws of large diameter.
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Pre-drill further for countersunk screws.
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For woodscrews threaded less than their full length, pre-drill approx. half the length
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of the screw.
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. . In order to guarantee constant readiness for operation, the machine should be
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checked for worn carbon brushes at one of the AEG after-sales service agencies.
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ventilation slots of the machine must be kept clear at all times.
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Use only Atlas Copco accessories and spare parts. Should components need to be
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exchanged which have not been described, please contact one of our Atlas Copco
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‘service agents (see our list of guarantee/service addresses).
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If needed, an exploded view of the tool can be ordered. Please state the ten-digit
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‘No. as well as the machine type printed on the label and order the drawing at your
local service agents or directly at: Atlas Copco Elektrowerkzeuge
GmbH,
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Postfach
320, D-71 361 Winnenden.
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