Handleiding Makita 8443D (pagina 6 van 72) (Nederlands, Duits, Engels, Frans, Italiaans, Portugees, Spaans, Deens, Zweeds, Noors, Fins)

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Selecting the action mode (Fig. 5)

This tool employs an action mode changing ring. Select

one of the three modes suitable for your work needs by

using this ring. For rotation only, turn the ring so that the

arrow on the tool body points toward the M mark on the

ring. For rotation with hammering, turn the ring so that

the arrow points toward the X on the ring. For rotation

with clutch, turn the ring so that the arrow points toward

the U mark on the ring.

CAUTION:

Always set the ring correctly to your desired mode mark.

If you operate the tool with the ring positioned half-way

between the mode marks, the tool may be damaged.

Adjusting the fastening torque (Fig. 6)

The fastening torque can be adjusted in 16 steps by turn-

ing the adjusting ring so that its graduations are aligned

with the arrow on the tool body. The fastening torque is

minimum when the number 1 is aligned with the arrow,

and maximum when thenumber 16 is aligned with the

arrow.

Before actual operation, drive a trial screw into your

material or a piece of duplicate material to determine

which torque level is required for a particular application.

Installing or removing driver bit or drill bit

(Fig. 7 & 8)

Important:

Always be sure that the tool is switched off and the bat-

tery cartridge is removed before installing or removing

the bit.

Turn the sleeve counterclockwise to open the chuck jaws.

Place the bit in the chuck as far as it will go. Turn the

sleeve clockwise to tighten the chuck. To remove the bit,

turn the sleeve counterclockwise.

When not using the driver bit, keep it in the bit holders.

Bits 45 mm long can be kept there.

Side grip (auxiliary handle) (Fig. 9)

Always use the side grip to ensure operating safety.

Install the side grip so that the teeth on the grip fit in

between the protrusions on the tool barrel. Then tighten

the grip by turning clockwise at the desired position. It

may be swung 360° so as to be secured at any position.

Adjustable depth rod (Fig. 10)

The adjustable depth rod is used to drill holes of uniform

depth. Loosen the thumb screw, set to desired position,

then tighten the thumb screw.

Screwdriving operation (Fig. 11)

First, turn the action mode changing ring so that the

arrow on the tool body points to the U marking. Adjust

the adjusting ring to the proper torque level for your work.

Then proceed as follows.

Place the point of the driver bit in the screw head and

apply pressure to the tool. Start the tool slowly and then

increase the speed gradually. Release the trigger as

soon as the clutch cuts in.

NOTE:

• Make sure that the driver bit is inserted straight in the

screw head, or the screw and/or bit may be damaged.

• When driving wood screws, predrill pilot holes to make

driving easier and to prevent splitting of the workpiece.

See the chart below.

• If the tool is operated continuously until the battery car-

tridge has discharged, allow the tool to rest for 15 min-

utes before proceeding with a fresh battery.

Drilling operation

First, turn the action mode changing ring so that the

arrow on the tool body points to the M marking. The

adjusting ring can be aligned in any torque levels for this

operation. Then proceed as follows.

• Drilling in wood

When drilling in wood, best results are obtained with

wood drills equipped with a guide screw. The guide

screw makes drilling easier by pulling the bit into the

workpiece.

• Drilling in metal

To prevent the bit from slipping when starting a hole,

make an indentation with a centerpunch and hammer

at the point to be drilled. Place the point of the bit in the

indentation and start drilling. Use a cutting lubricant

when drilling metals. The exceptions are iron and brass

which should be drilled dry.

CAUTION:

• Pressing excessively on the tool will not speed up the

drilling. In fact, this excessive pressure will only serve

to damage the tip of your bit, decrease the tool perfor-

mance and shorten the service life of the tool.

• There is a tremendous force exerted on the tool/bit at

the time of hole breakthrough. Hold the tool firmly and

exert care when the bit begins to break through the

workpiece.

• A stuck bit can be removed simply by setting the

reversing switch to reverse rotation in order to back out.

However, the tool may back out abruptly if you do not

hold it firmly.

• Always secure small workpieces in a vise or similar

hold-down device.

• If the tool is operated continuously until the battery car-

tridge has discharged, allow the tool to rest for 15 min-

utes before proceeding with a fresh battery.

Nominal diameter of

wood screw (mm)

Recommended size of

pilot hole (mm)

3.1 2.0 – 2.2

3.5 2.2 – 2.5

3.8 2.5 – 2.8

4.5 2.9 – 3.2

4.8 3.1 – 3.4

5.1 3.3 – 3.6

5.5 3.6 – 3.9

5.8 4.0 – 4.2

6.1 4.2 – 4.4

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