Manual Makita 8270 dwaetc (page 5 of 16) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Spanish, Norwegian, Finnish)

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3. Hold tools by insulated gripping surfaces when

performing an operation where the cutting tool

may contact hidden wiring or its own cord. Con-

tact with a “live” wire will make exposed metal

parts of the tool “live” and shock the operator.

4. Always be sure you have a firm footing.

Be sure no one is below when using the tool in

high locations.

5. Hold the tool firmly with both hands.

6. Keep hands away from moving parts.

7. Do not leave the tool running. Operate the tool

only when hand-held

8. Do not touch the bit or the workpiece immedi-

ately after operation; they may be extremely hot

and could burn your skin.

SAVE THESE INSTRUCTIONS.

FUNCTIONAL DESCRIPTION

CAUTION:

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

tery cartridge is removed before adjusting or checking

function on the tool.

Installing or removing battery cartridge (Fig. 1)

• Always switch off the tool before insertion or removal of

the battery cartridge.

• To remove the battery cartridge, withdraw it from the

tool while pressing the buttons on both sides of the car-

tridge.

• To insert the battery cartridge, align the tongue on the

battery cartridge with the groove in the housing and slip

it into place. Always insert it all the way until it locks in

place with a little click. If not, it may accidentally fall out

of the tool, causing injury to you or someone around

you.

• Do not use force when inserting the battery cartridge. If

the cartridge does not slide in easily, it is not being

inserted correctly.

Switch action (Fig. 2)

CAUTION:

• Before inserting the battery cartridge into the tool,

always check to see that the switch trigger actuates

properly and returns to the “OFF” position when

released.

To start the tool, simply pull the switch trigger. Tool speed

is increased by increasing pressure on the switch trigger.

Release the switch trigger to stop.

Reversing switch action (Fig. 3)

This tool has a reversing switch to change the direction of

rotation. Depress the reversing switch lever from the A

side for clockwise rotation or from the B side for counter-

clockwise rotation.

When the reversing switch lever is in the neutral position,

the switch trigger cannot be pulled.

CAUTION:

• Always check the direction of rotation before operation.

• Use the reversing switch only after the tool comes to a

complete stop. Changing the direction of rotation

before the tool stops may damage the tool.

• When not operating the tool, always set the reversing

switch lever to the neutral position.

Speed change (Fig. 4)

To change the speed, first switch off the tool and then

slide the speed change lever to the “2” side for high

speed or “1” side for low speed. Be sure that the speed

change lever is set to the correct position before opera-

tion. Use the right speed for your job.

CAUTION:

• Always set the speed change lever fully to the correct

position. If you operate the tool with the speed change

lever positioned halfway between the “1” side and “2”

side, the tool may be damaged.

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

ning. The tool may be damaged.

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 on the ring.

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 (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 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 bat-

tery cartridge is removed before carrying out any work

on the tool.

Installing or removing driver bit or drill bit (Fig. 7)

Hold the ring and turn the sleeve counterclockwise to

open the chuck jaws. Place the bit in the chuck as far as it

will go. Hold the ring firmly and turn the sleeve clockwise

to tighten the chuck.

To remove the bit, hold the ring and turn the sleeve coun-

terclockwise.

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 embed-

ded in the concrete.

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Makita 8270 dwaetc Manual

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