DeWalt D25013 Bedienerhandbuch PDF herunterladen (Seite 10)

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Overload Clutch

If the drill bit becomes jammed or caught, the drive to the drill

spindle is interrupted by the overload clutch. Because of the forces

that occur as a result, always hold the machine securely with both

hands and take a firm stance.

Drilling Tools

The machine is intended for hammerdrilling in concrete, brick and

stone. It is also suitable for drilling without impact in wood, metal,

ceramic and plastic.

Drilling (Fig. 1)

WARNING: To reduce the risk of serious personal injury,

turn tool off and disconnect tool from power source before

making any adjustments or removing/installing attachments

or accessories.

WARNING: To reduce the risk of personal injury, ALWAYS

ensure workpiece is anchored or clamped firmly. If drilling thin

material, use a wood “back-up” block to prevent damage to the

material.

Press mode selector button (F) and turn the mode selector (G) to the

drill bit symbol for drilling, to the hammer symbol for hammering or to

the hammerdrill symbol for hammerdrilling.

DRILLING OPERATION

1. For WOOD, use twist bits, spade bits, power auger bits or

hole saws. For METAL, use high-speed steel twist drill bits or

hole saws. Use a cutting lubricant when drilling metals. The

exceptions are cast iron and brass which should be drilled

dry. For MASONRY, use carbide-tipped bits or masonry bits. A

smooth, even flow of dust indicates the proper drilling rate.

2. Always apply pressure in a straight line with the bit. Use enough

pressure to keep the drill bit biting, but do not push hard enough

to stall the motor or deflect the bit.

3. Hold tool firmly with both hands to control the twisting action of

the drill.

WARNING: Drill may stall if overloaded causing a sudden twist.

Always expect the stall. Grip the drill firmly with both hands to

control the twisting action and avoid injury.

4. IF DRILL STALLS, it is usually because it is being overloaded.

RELEASE TRIGGER IMMEDIATELY, remove drill bit from

work, and determine cause of stalling. DO NOT CLICK

TRIGGER OFF AND ON IN AN ATTEMPT TO START A

STALLED DRILL – THIS CAN DAMAGE THE DRILL.

5. To minimize stalling or breaking through the material, reduce

pressure on drill and ease the bit through the last fractional part

of the hole.

6. Keep the motor running when pulling the bit back out of a drilled

hole. This will help prevent jamming.

7. With variable speed drills there is no need to center punch

the point to be drilled. Use a slow speed to start the hole and

accelerate by squeezing the trigger harder when the hole is

deep enough to drill without the bit skipping out.

DRILLING IN METAL

An SDS Plus

to round shank adaptor chuck is required. Ensure

that tool is in drill-only mode. Start drilling with slow speed and

increase to full power while applying firm pressure on the tool. A

smooth even flow of metal chips indicates the proper drilling rate.

Use a cutting lubricant when drilling metals. The exceptions are cast

iron and brass which should be drilled dry.

NOTE: Large [5/16" to 1/2" (7.9 mm to 12.7 mm)] holes in steel can

be made easier if a pilot hole [5/32" to 3/16" (4 mm to 4.8 mm)] is

drilled first.

DRILLING IN WOOD

An SDS Plus

to round shank adaptor chuck is required. Ensure that

tool is in drill-only mode. Start drilling with slow speed and increase

to full power while applying firm pressure on the tool. Holes in wood

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 35 36

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