Makita 6214D Manual de instruções - Página 8

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CAUTION:

• Always set the speed change lever fully to the correct

position. If you operate the tool with the speed change

lever positioned half-way between the "I" side and "II"

side, the tool may be damaged.

• Do not use the speed change lever while the tool is run-

ning. The tool may be damaged.

Adjusting the fastening torque (Fig. 7)

The fastening torque can be adjusted in 17 steps by turn-

ing the adjusting ring so that its graduations are aligned

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

minimum when the number 1 is aligned with the pointer,

and maximum when the A marking is aligned with the

pointer.

The clutch will slip at various torque levels when set at

the number 1 to 16. The clutch is designed not to slip at

the A marking.

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.

NOTE:

Do not operate the tool with the adjusting ring set

between the number 16 and the A marking. The tool may

be damaged.

Installing set plate (Fig. 8)

Always install the set plate when using battery cartridges

1200, 1202 or 1202A. Install the set plate on the tool with

the screw provided as shown in Fig. 8.

Screwdriving operation (Fig. 9)

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.

Nominal diameter of

wood screw (mm)

3.1

3.5

3.8

4.5

4.8

5.1

5.5

5.8

6.1

• 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.

Recommended size of

pilot hole (mm)

2.0 – 2.2

2.2 – 2.5

2.5 – 2.8

2.9 – 3.2

3.1 – 3.4

3.3 – 3.6

3.6 – 3.9

4.0 – 4.2

4.2 – 4.4

Drilling operation

First, turn the adjusting ring so that the pointer on the tool

body points to the A marking. 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 excep-

tions 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.

MAINTENANCE

CAUTION:

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

tery cartridge is removed before carrying out any work on

the tool.

Replacement of carbon brushes (Fig. 10 & 11)

Replace carbon brushes when they are worn down to the

limit mark. Both identical carbon brushes should be

replaced at the same time.

To maintain product safety and reliability, repairs, mainte-

nance or adjustment should be carried out by Makita

Authorized Service Center.