Makita BDF343SHE Instruction Manual download pdf (Page 5)

Screwdriving operation (Fig. 7)

CAUTION:

• Adjust the adjusting ring to the proper torque level for

your work.

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 switch trigger

as soon as the clutch cuts in.

CAUTION:

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

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

NOTE:

• When driving wood screws, predrill pilot holes to make

driving easier and to prevent splitting of the workpiece.

See the chart.

Drilling operation

First, turn the adjusting ring so that the pointer points to

the marking. Then proceed as follows.

Drilling in wood

When drilling in wood, the 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 center-punch 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

performance and shorten the service life of the tool.

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

the time of hole break through. 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

cartridge has discharged, allow the tool to rest for

15 minutes before proceeding with a fresh battery.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and the

battery cartridge is removed before attempting to

perform inspection or maintenance.

To maintain product SAFETY and RELIABILITY, repairs,

any other maintenance or adjustment should be

performed by Makita Authorized Service Centers, always

using Makita replacement parts.

ACCESSORIES

CAUTION:

• These accessories or attachments are recommended

for use with your Makita tool specified in this manual.

The use of any other accessories or attachments might

present a risk of injury to persons. Only use accessory

or attachment for its stated purpose.

If you need any assistance for more details regarding

these accessories, ask your local Makita Service Center.

• Drill bits

• Screw bits

• Various type of Makita genuine batteries and chargers

• Automatic refreshing adapter

• Plastic carrying case

For Model BDF343

For European countries only

Noise

ENG103-1

The typical A-weighted noise level determined according

to EN60745-2-1:

Sound pressure level (L

): 70 dB (A) or less

The noise level under working may exceed 85 dB (A).

Wear ear protection

Vibration

ENG202-1

The vibration total value (tri-axial vector sum) determined

according to EN60745-2-1:

Work mode: drilling into metal

Vibration emission (a

h,D

): 2.5 m/s

or less

For Model BDF453

For European countries only

Noise

ENG101-1

The typical A-weighted noise level determined according

to EN60745-2-1:

Sound pressure level (L

): 72 dB (A)

Uncertainty (K): 3 dB (A)

The noise level under working may exceed 85 dB (A).

Wear ear protection

Vibration

ENG202-1

The vibration total value (tri-axial vector sum) determined

according to EN60745-2-1:

Work mode: drilling into metal

Vibration emission (a

h,D

): 2.5 m/s

or less

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 3.7 - 3.9

5.8 4.0 - 4.2

6.1 4.2 - 4.4

1 2 3 4 5 6 ... 40

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Makita BDF343SHE Instruction Manual Page 5

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