Makita BHP343 Gebruiksaanwijzing - Pagina 7

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Selecting the action mode

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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

For rotation with hammering, turn the ring so that the

arrow points toward the

For rotation with clutch, turn the ring so that the arrow

points toward the

mark on the ring.

CAUTION:

Always set the ring correctly to your desired mode

•

mark. If you operate the tool with the ring positioned

halfway between the mode marks, the tool may be

damaged.

Adjusting the fastening torque

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The fastening torque can be adjusted in 16 steps by

turning 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 the number 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.

ASSEMBLY

CAUTION:

Always be sure that the tool is switched off and the

•

battery cartridge is removed before carrying out

any work on the tool.

1. Adjusting ring

2. Action mode

changing ring

3. Graduation

4. Arrow

mark on the ring.

1. Adjusting ring

2. Action mode

changing ring

3. Graduation

4. Arrow

Installing or removing driver bit or drill bit

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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.

OPERATION

Hammer drilling operation

CAUTION:

There is a tremendous and sudden twisting force

•

exerted on the tool/bit at the time of hole

break-through, when the hole becomes clogged

with chips and particles, or when striking reinforcing

rods embedded in the concrete.

First, turn the action mode changing ring so that the

arrow on the tool body points to the

adjusting ring can be aligned in any torque levels for this

operation.

Be sure to use a tungsten-carbide tipped bit.

Position the bit at the desired location for the hole, then

pull the switch trigger. Do not force the tool. Light

pressure gives best results. Keep the tool in position and

prevent it from slipping away from the hole.

Do not apply more pressure when the hole becomes

clogged with chips or particles. Instead, run the tool at an

idle, then remove the bit partially from the hole. By

repeating this several times, the hole will be cleaned out

and normal drilling may be resumed.

Blow-out bulb (optional accessory)

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After drilling the hole, use the blow-out bulb to clean the

dust out of the hole.

1. Sleeve

marking. The

1. Blow-out bulb