Makita DHR280 Användarmanual

DHR280

DHR281

DHR282

DHR283

EN Cordless Combination

Hammer INSTRUCTION MANUAL 10

SV Batteridriven

kombinationshammare BRUKSANVISNING 23

NO Batteridrevet

kombinasjonshammer BRUKSANVISNING 36

FI Akkukäyttöinen

yhdistelmäpora KÄYTTÖOHJE 49

LV Bezvadu kombinētais veseris LIETOŠANAS INSTRUKCIJA 62

LT Belaidis kombinacinis

gręžtuvas NAUDOJIMO INSTRUKCIJA 75

ET Juhtmeta

kombinatsioonihaamer KASUTUSJUHEND 88

RU Аккумуляторный

трехрежимный перфоратор

РУКОВОДСТВО ПО

ЭКСПЛУАТАЦИИ 101

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10 ENGLISH

ENGLISH (Original instructions)

SPECIFICATIONS

Model: DHR280 DHR281 DHR282 DHR283

Capacities Concrete 28 mm

Core bit 54 mm

Diamond core bit (dry type) 65 mm

Steel 13 mm

Wood 32 mm

No load speed 0 - 980 min-1

Blows per minute 0 - 5,000 min-1

Overall length 373 mm 404 mm 373 mm 404 mm

Rated voltage D.C. 36 V

Net weight 3.9 - 5.1 kg

Optional accessory

Model: DX03 (For DHR280/DHR282) DX04 (For DHR281/DHR283)

Suction performance 350 l/min

Operating stroke Up to 190 mm

Suitable drill bit Up to 260 mm

Rated voltage D.C. 18 V

Net weight 1.4 kg 1.5 kg

•

Due to our continuing program of research and development, the specications herein are subject to change without notice.

•Specications and battery cartridge may differ from country to country.

•The weight may differ depending on the attachment(s), including the battery cartridge. The lightest and heavi-

est combination, according to EPTA-Procedure 01/2014, are shown in the table.

Applicable battery cartridge

BL1815N / BL1820 / BL1820B / BL1830 / BL1830B / BL1840 / BL1840B / BL1850 / BL1850B / BL1860B

•Some of the battery cartridges listed above may not be available depending on your region of residence.

WARNING: Only use the battery cartridges listed above. Use of any other battery cartridges may cause

injury and/or re.

Intended use

The tool is intended for hammer drilling and drilling in

brick, concrete and stone as well as for chiselling work.

It is also suitable for drilling without impact in wood,

metal, ceramic and plastic.

Noise

The typical A-weighted noise level determined accord-

ing to EN60745:

Model DHR280

Sound pressure level (LpA) : 93 dB(A)

Sound power level (LWA) : 104 dB (A)

Uncertainty (K) : 3 dB(A)

Model DHR281

Sound pressure level (LpA) : 92 dB(A)

Sound power level (LWA) : 103 dB (A)

Uncertainty (K) : 3 dB(A)

Model DHR282

Sound pressure level (LpA) : 93 dB(A)

Sound power level (LWA) : 104 dB (A)

Uncertainty (K) : 3 dB(A)

Model DHR283

Sound pressure level (LpA) : 92 dB(A)

Sound power level (LWA) : 103 dB (A)

Uncertainty (K) : 3 dB(A)

Model DHR280 with DX03

Sound pressure level (LpA) : 92 dB(A)

Sound power level (LWA) : 103 dB (A)

Uncertainty (K) : 3 dB(A)

Model DHR281 with DX04

Sound pressure level (LpA) : 92 dB(A)

Sound power level (LWA) : 103 dB (A)

Uncertainty (K) : 3 dB(A)

Model DHR282 with DX03

Sound pressure level (LpA) : 92 dB(A)

Sound power level (LWA) : 103 dB (A)

Uncertainty (K) : 3 dB(A)

Model DHR283 with DX04

Sound pressure level (LpA) : 92 dB(A)

Sound power level (LWA) : 103 dB (A)

Uncertainty (K) : 3 dB(A)

WARNING: Wear ear protection.

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11 ENGLISH

Vibration

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

mined according to EN60745:

Model DHR280

Work mode: hammer drilling into concrete

Vibration emission (ah, HD): 9.0 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: hammer drilling into concrete with DX03

Vibration emission (ah, HD): 8.0 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: chiselling function with side grip

Vibration emission (ah, Cheq): 8.5 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: drilling into metal

Vibration emission (ah,D) : 2.5 m/s2

Uncertainty (K) : 1.5 m/s2

Model DHR281

Work mode: hammer drilling into concrete

Vibration emission (ah, HD): 9.5 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: hammer drilling into concrete with DX04

Vibration emission (ah, HD): 8.0 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: chiselling function with side grip

Vibration emission (ah, Cheq): 9.0 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: drilling into metal

Vibration emission (ah,D) : 2.5 m/s2

Uncertainty (K) : 1.5 m/s2

Model DHR282

Work mode: hammer drilling into concrete

Vibration emission (ah, HD): 9.0 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: hammer drilling into concrete with DX03

Vibration emission (ah, HD): 8.0 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: chiselling function with side grip

Vibration emission (ah, Cheq): 8.0 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: drilling into metal

Vibration emission (ah,D) : 2.5 m/s2

Uncertainty (K) : 1.5 m/s2

Model DHR283

Work mode: hammer drilling into concrete

Vibration emission (ah, HD): 9.5 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: hammer drilling into concrete with DX04

Vibration emission (ah, HD): 8.0 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: chiselling function with side grip

Vibration emission (ah, Cheq): 8.5 m/s2

Uncertainty (K) : 1.5 m/s2

Work mode: drilling into metal

Vibration emission (ah,D) : 2.5 m/s2

Uncertainty (K) : 1.5 m/s2

NOTE: The declared vibration emission value has

been measured in accordance with the standard test

method and may be used for comparing one tool with

another.

NOTE: The declared vibration emission value

may also be used in a preliminary assessment of

exposure.

WARNING: The vibration emission during actual

use of the power tool can differ from the declared

emission value depending on the ways in which the

tool is used.

WARNING: Be sure to identify safety measures

to protect the operator that are based on an estima-

tion of exposure in the actual conditions of use (taking

account of all parts of the operating cycle such as

the times when the tool is switched off and when it is

running idle in addition to the trigger time).

EC Declaration of Conformity

For European countries only

The EC declaration of conformity is included as Annex A

to this instruction manual.

SAFETY WARNINGS

General power tool safety warnings

WARNING: Read all safety warnings, instruc-

tions, illustrations and specications provided

with this power tool. Failure to follow all instructions

listed below may result in electric shock, re and/or

serious injury.

Save all warnings and instruc-

tions for future reference.

The term "power tool" in the warnings refers to your

mains-operated (corded) power tool or battery-operated

(cordless) power tool.

CORDLESS ROTARY HAMMER

SAFETY WARNINGS

1. Wear ear protectors. Exposure to noise can

cause hearing loss.

2. Use auxiliary handle(s), if supplied with the

tool. Loss of control can cause personal injury.

3. Hold power tool by insulated gripping sur-

faces, when performing an operation where

the cutting accessory may contact hidden

wiring. Cutting accessory contacting a "live"

wire may make exposed metal parts of the power

tool "live" and could give the operator an electric

shock.

4. Wear a hard hat (safety helmet), safety glasses

and/or face shield. Ordinary eye or sun glasses

are NOT safety glasses. It is also highly recom-

mended that you wear a dust mask and thickly

padded gloves.

5. Be sure the bit is secured in place before

operation.

6. Under normal operation, the tool is designed

to produce vibration. The screws can come

loose easily, causing a breakdown or accident.

Check tightness of screws carefully before

operation.

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12 ENGLISH

7. In cold weather or when the tool has not been

used for a long time, let the tool warm up for

a while by operating it under no load. This

will loosen up the lubrication. Without proper

warm-up, hammering operation is difcult.

8. Always be sure you have a rm footing. Be

sure no one is below when using the tool in

high locations.

9. Hold the tool rmly with both hands.

10. Keep hands away from moving parts.

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

only when hand-held.

12. Do not point the tool at any one in the area

when operating. The bit could y out and

injure someone seriously.

13. Do not touch the bit, parts close to the bit, or

workpiece immediately after operation; they

may be extremely hot and could burn your

skin.

14. Some material contains chemicals which may

be toxic. Take caution to prevent dust inhala-

tion and skin contact. Follow material supplier

safety data.

15. Always be sure that the tool is switched

off and the battery cartridge and the bit are

removed before handing the tool to other

person.

SAVE THESE INSTRUCTIONS.

WARNING: DO NOT let comfort or familiarity

with product (gained from repeated use) replace

strict adherence to safety rules for the subject

product. MISUSE or failure to follow the safety

rules stated in this instruction manual may cause

serious personal injury.

Important safety instructions for

battery cartridge

1. Before using battery cartridge, read all instruc-

tions and cautionary markings on (1) battery

charger, (2) battery, and (3) product using

battery.

2. Do not disassemble battery cartridge.

3. If operating time has become excessively

shorter, stop operating immediately. It may

result in a risk of overheating, possible burns

and even an explosion.

4. If electrolyte gets into your eyes, rinse them

out with clear water and seek medical atten-

tion right away. It may result in loss of your

eyesight.

5. Do not short the battery cartridge:

(1) Do not touch the terminals with any con-

ductive material.

(2) Avoid storing battery cartridge in a con-

tainer with other metal objects such as

nails, coins, etc.

(3) Do not expose battery cartridge to water

or rain.

A battery short can cause a large current

ow, overheating, possible burns and even a

breakdown.

6. Do not store the tool and battery cartridge in

locations where the temperature may reach or

exceed 50 °C (122 °F).

7. Do not incinerate the battery cartridge even if

it is severely damaged or is completely worn

out. The battery cartridge can explode in a re.

8. Be careful not to drop or strike battery.

9. Do not use a damaged battery.

10. The contained lithium-ion batteries are subject

to the Dangerous Goods Legislation require-

ments.

For commercial transports e.g. by third parties,

forwarding agents, special requirement on pack-

aging and labeling must be observed.

For preparation of the item being shipped, consult-

ing an expert for hazardous material is required.

Please also observe possibly more detailed

national regulations.

Tape or mask off open contacts and pack up the

battery in such a manner that it cannot move

around in the packaging.

11. Follow your local regulations relating to dis-

posal of battery.

12. Use the batteries only with the products

specied by Makita. Installing the batteries to

non-compliant products may result in a re, exces-

sive heat, explosion, or leak of electrolyte.

SAVE THESE INSTRUCTIONS.

CAUTION: Only use genuine Makita batteries.

Use of non-genuine Makita batteries, or batteries that

have been altered, may result in the battery bursting

causing res, personal injury and damage. It will

also void the Makita warranty for the Makita tool and

charger.

Tips for maintaining maximum

battery life

1. Charge the battery cartridge before completely

discharged. Always stop tool operation and

charge the battery cartridge when you notice

less tool power.

2. Never recharge a fully charged battery car-

tridge. Overcharging shortens the battery

service life.

3. Charge the battery cartridge with room tem-

perature at 10 °C - 40 °C (50 °F - 104 °F). Let

a hot battery cartridge cool down before

charging it.

4. Charge the battery cartridge if you do not use

it for a long period (more than six months).

Important safety instructions for

wireless unit

1. Do not disassemble or tamper with the wire-

less unit.

2. Keep the wireless unit away from young chil-

dren. If accidentally swallowed, seek medical

attention immediately.

3. Use the wireless unit only with Makita tools.

4. Do not expose the wireless unit to rain or wet

conditions.

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13 ENGLISH

5. Do not use the wireless unit in places where

the temperature exceeds 50°C (122°F).

6. Do not operate the wireless unit in places

where medical instruments, such as heart

pace makers are near by.

7. Do not operate the wireless unit in places

where automated devices are near by. If oper-

ated, automated devices may develop malfunction

or error.

8. The wireless unit can produce electromagnetic

elds (EMF) but they are not harmful to the

user.

9. The wireless unit is an accurate instrument. Be

careful not to drop or strike the wireless unit.

10. Avoid touching the terminal of the wireless

unit with bare hands or metallic materials.

11. Always remove the battery on the tool when

installing the wireless unit.

12. When opening the lid of the slot, avoid the

place where dust and water may come into the

slot. Always keep the inlet of the slot clean.

13. Always insert the wireless unit in the correct

direction.

14. Do not press the wireless activation button

on the wireless unit too hard and/or press the

button with an object with a sharp edge.

15. Always close the lid of the slot when

operating.

16. Do not remove the wireless unit from the slot

while the power is being supplied to the tool.

Doing so may cause a malfunction of the wireless

unit.

17. Do not remove the sticker on the wireless unit.

18. Do not put any sticker on the wireless unit.

19. Do not leave the wireless unit in a place where

static electricity or electrical noise could be

generated.

20. Do not leave the wireless unit in a place sub-

ject to high heat, such as a car sitting in the

sun.

21. Do not leave the wireless unit in a dusty or

powdery place or in a place corrosive gas

could be generated.

22. Sudden change of the temperature may bedew

the wireless unit. Do not use the wireless unit

until the dew is completely dried.

23. When cleaning the wireless unit, gently wipe

with a dry soft cloth. Do not use benzine, thin-

ner, conductive grease or the like.

24. When storing the wireless unit, keep it in the

supplied case or a static-free container.

25. Do not insert any devices other than Makita

wireless unit into the slot on the tool.

26. Do not use the tool with the lid of the slot dam-

aged. Water, dust, and dirt come into the slot may

cause malfunction.

27. Do not pull and/or twist the lid of the slot more

than necessary. Restore the lid if it comes off

from the tool.

28. Replace the lid of the slot if it is lost or

damaged.

SAVE THESE INSTRUCTIONS.

FUNCTIONAL DESCRIPTION

CAUTION: Always be sure that the tool is

switched off and the battery cartridge is removed

before adjusting or checking function on the tool.

Installing or removing battery cartridge

CAUTION: Always switch off the tool before

installing or removing of the battery cartridge.

CAUTION: Hold the tool and the battery car-

tridge rmly when installing or removing battery

cartridge. Failure to hold the tool and the battery

cartridge rmly may cause them to slip off your hands

and result in damage to the tool and battery cartridge

and a personal injury.

► Fig.1: 1. Red indicator 2. Button 3. Battery cartridge

To remove the battery cartridge, slide it from the tool

while sliding the button on the front of the cartridge.

To install the battery cartridge, align the tongue on the

battery cartridge with the groove in the housing and slip

it into place. Insert it all the way until it locks in place

with a little click. If you can see the red indicator on the

upper side of the button, it is not locked completely.

CAUTION: Always install the battery cartridge

fully until the red indicator cannot be seen. If not,

it may accidentally fall out of the tool, causing injury to

you or someone around you.

CAUTION: Do not install the battery cartridge

forcibly. If the cartridge does not slide in easily, it is

not being inserted correctly.

Indicating the remaining battery capacity

Only for battery cartridges with the indicator

► Fig.2: 1. Indicator lamps 2. Check button

Press the check button on the battery cartridge to indi-

cate the remaining battery capacity. The indicator lamps

light up for a few seconds.

Indicator lamps Remaining

capacity

Lighted Off Blinking

75% to 100%

50% to 75%

25% to 50%

0% to 25%

Charge the

battery.

The battery

may have

malfunctioned.

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14 ENGLISH

NOTE: Depending on the conditions of use and the

ambient temperature, the indication may differ slightly

from the actual capacity.

Tool / battery protection system

The tool is equipped with a tool/battery protection sys-

tem. This system automatically cuts off power to the

motor to extend tool and battery life. The tool will auto-

matically stop during operation if the tool or battery is

placed under one of the following conditions:

Overload protection

When the battery is operated in a manner that causes

it to draw an abnormally high current, the tool automat-

ically stops without any indication. In this situation, turn

the tool off and stop the application that caused the tool

to become overloaded. Then turn the tool on to restart.

Overheat protection

When the tool or battery is overheated, the tool stops

automatically. In this case, let the tool and battery cool

before turning the tool on again.

NOTE: When the tool is overheated, the lamp blinks.

Overdischarge protection

When the battery capacity is not enough, the tool stops

automatically. In this case, remove the battery from the

tool and charge the battery.

Switch action

WARNING: Before installing the battery car-

tridge into the tool, always check to see that the

switch trigger actuates properly and returns to

the "OFF" position when released.

► Fig.3: 1. Switch trigger

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.

Speed change

The revolutions and blows per minute can be adjusted

by turning the adjusting dial. The dial is marked 1 (low-

est speed) to 5 (full speed).

► Fig.4: 1. Adjusting dial

Refer to the table below for the relationship between the

number on the adjusting dial and the revolutions and

blows per minute.

Number Revolutions per

minute

Blows per minute

5980 5,000

4810 4,130

3640 3,260

2470 2,400

1300 1,550

CAUTION: Do not turn the adjusting dial when

the tool is running. Failure to do so may result in

the loss of control of the tool and cause an injury.

NOTICE: If the tool is operated continuously at

low speed for a long time, the motor will get over-

loaded, resulting in tool malfunction.

NOTICE:

The speed adjusting dial can be turned

only as far as 5 and back to 1. Do not force it past 5 or

1, or the speed adjusting function may no longer work.

NOTE: Soft no-load rotation function (For

DHR282/DHR283)

When the speed adjusting dial is set to "3" or higher, the tool

automatically reduces the speed at no-load to reduce the vibration

under no-load. Once operation starts with a bit against concrete,

blows per minute increase and reach the numbers as shown in the

table. When temperature is low and there is less uidity in grease,

the tool may not have this function even with the motor rotating.

This function is not available when the dust collection

system is installed.

Lighting up the front lamp

► Fig.5: 1. Lamp

CAUTION: Do not look in the light or see the

source of light directly.

Pull the switch trigger to light up the lamp. The lamp keeps on

lighting while the switch trigger is being pulled. The lamp goes

out approximately 10 seconds after releasing the switch trigger.

CAUTION: For DHR282/DHR283

If the lamp goes off after blinking for a few seconds,

the active feedback sensing technology or the soft

no-load rotation function is not working properly.

Ask your local Makita Service Center for repair.

NOTE: Use a dry cloth to wipe the dirt off the lens of

the lamp. Be careful not to scratch the lens of lamp, or

it may lower the illumination.

NOTE: If the dust collection system is installed on the

tool, the lamp of the dust collection system lights up

instead of the lamp of the tool.

Reversing switch action

► Fig.6: 1. Reversing switch lever

CAUTION: Always check the direction of

rotation before operation.

CAUTION:

Use the reversing switch only after

the tool comes to a complete stop. Changing the direc-

tion of rotation before the tool stops may damage the tool.

CAUTION:

When not operating the tool, always

set the reversing switch lever to the neutral position.

This tool has a reversing switch to change the direction of rota-

tion. Depress the reversing switch lever from the A side for clock-

wise rotation or from the B side for counterclockwise rotation.

When the reversing switch lever is in the neutral posi-

tion, the switch trigger cannot be pulled.

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Changing the quick change chuck

for SDS-plus

For DHR281/DHR283

The quick change chuck for SDS-plus can be easily

exchanged for the quick change drill chuck.

Removing the quick change chuck

for SDS-plus

CAUTION: Before removing the quick change

chuck for SDS-plus, be sure to remove the bit.

Grasp the change cover of the quick change chuck for

SDS-plus and turn in the direction of the arrow until

the change cover line moves from the symbol to

the symbol. Pull forcefully in the direction of the arrow.

► Fig.7: 1. Quick change chuck for SDS-plus

2. Change cover 3. Change cover line

Installing the quick change drill chuck

Check the line of the quick change drill chuck shows

the symbol. Grasp the change cover of the quick

change drill chuck and set the line to the symbol.

Place the quick change drill chuck on the spindle of the

tool. Grasp the change cover of the quick change drill

chuck and turn the change cover line to the symbol

until a click can clearly be heard.

► Fig.8: 1. Quick change drill chuck 2. Spindle

3. Change cover line 4. Change cover

Selecting the action mode

NOTICE:

Do not rotate the action mode changing

knob when the tool is running. The tool will be damaged.

NOTICE: To avoid rapid wear on the mode

change mechanism, be sure that the action mode

changing knob is always positively located in one

of the three action mode positions.

Rotation with hammering

For drilling in concrete, masonry, etc., rotate the action

mode changing knob to the symbol. Use a tungsten-

carbide tipped bit (optional accessory).

► Fig.9: 1. Rotation with hammering 2. Action mode

changing knob

Rotation only

For drilling in wood, metal or plastic materials, rotate

the action mode changing knob to the symbol. Use a

twist drill bit or wood drill bit.

► Fig.10: 1. Rotation only

Hammering only

For chipping, scaling or demolition operations, rotate

the action mode changing knob to the symbol. Use a

bull point, cold chisel, scaling chisel, etc.

► Fig.11: 1. Hammering only

Hook

CAUTION: Never hook the tool at high loca-

tion or on potentially unstable surface.

► Fig.12: 1. Hook

The hook is convenient for temporarily hanging the tool.

To use the hook, simply lift up hook until it snaps into

the open position. When not in use, always lower hook

until it snaps into the closed position.

Adjusting the nozzle position of the

dust collection system

Optional accessory

Push in the guide while pushing up the guide adjust-

ment button, and then release the button at the desired

position.

► Fig.13: 1. Guide 2. Guide adjustment button

NOTE: Before adjusting the nozzle position, release

the nozzle forward completely by pushing up the

guide adjustment button.

If a long drill bit is installed, extend the guide by pushing

up the extension button.

► Fig.14: 1. Extension button

Adjusting the drilling depth of the

dust collection system

Optional accessory

Slide the depth adjustment button to the desired posi-

tion while pushing it up. The distance (A) is the drilling

depth.

► Fig.15: 1. Depth adjustment button

Torque limiter

NOTICE: As soon as the torque limiter actuates,

switch off the tool immediately. This will help pre-

vent premature wear of the tool.

NOTICE: Drill bits such as hole saw, which tend

to pinch or catch easily in the hole, are not appro-

priate for this tool. This is because they will cause

the torque limiter to actuate too frequently.

The torque limiter will actuate when a certain torque

level is reached. The motor will disengage from the

output shaft. When this happens, the drill bit will stop

turning.

Electronic function

The tool is equipped with the electronic functions for

easy operation.

•Constant speed control

The speed control function provides the constant

rotation speed regardless of load conditions.

•Active Feedback sensing Technology (For

DHR282/DHR283)

If the tool is swung at the predetermined accelera-

tion during operation, the motor is forcibly stopped

to reduce the burden on the wrist.

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16 ENGLISH

NOTE: This function does not work if the acceleration

does not reach the predetermined one when the tool

is swung.

NOTE: If the bit is swung at the predetermined

acceleration during chipping, scaling, or demolishing,

the motor is forcibly stopped. In this case, release

the switch trigger, and then pull the switch trigger to

restart the tool.

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.

Side grip (auxiliary handle)

CAUTION: Always use the side grip to ensure

safe operation.

CAUTION: After installing or adjusting the

side grip, make sure that the side grip is rmly

secured.

To install the side grip, follow the steps below.

1. Loosen the thumb screw on the side grip.

► Fig.16: 1. Thumb screw

2. Attach the side grip while pressing the thumb

screw so that the grooves on the grip t in the protru-

sions on the tool barrel.

► Fig.17: 1. Thumb screw

3. Tighten the thumb screw to secure the grip. The

grip can be xed at desired angle.

Grease

Coat the shank end of the drill bit beforehand with a

small amount of grease (about 0.5 - 1 g).

This chuck lubrication assures smooth action and lon-

ger service life.

Installing or removing drill bit

Clean the shank end of the drill bit and apply grease

before installing the drill bit.

► Fig.18: 1. Shank end 2. Grease

Insert the drill bit into the tool. Turn the drill bit and push

it in until it engages.

After installing the drill bit, always make sure that the

drill bit is securely held in place by trying to pull it out.

► Fig.19: 1. Drill bit

To remove the drill bit, pull the chuck cover down all the

way and pull the drill bit out.

► Fig.20: 1. Drill bit 2. Chuck cover

Chisel angle (when chipping,

scaling or demolishing)

The chisel can be secured at the desired angle. To

change the chisel angle, rotate the action mode chang-

ing knob to the O symbol. Turn the chisel to the desired

angle.

► Fig.21: 1. Action mode changing knob

Rotate the action mode changing knob to the sym-

bol. Then make sure that the chisel is securely held in

place by turning it slightly.

Depth gauge

The depth gauge is convenient for drilling holes of

uniform depth.

Press and hold the lock button, and then insert the

depth gauge into the hex hole. Make sure that the

toothed side of the depth gauge faces the marking.

► Fig.22: 1. Depth gauge 2. Lock button 3. Marking

4. Toothed side

Adjust the depth gauge by moving it back and forth

while pressing the lock button. After the adjustment,

release the lock button to lock the depth gauge.

NOTE: Make sure that the depth gauge does not

touch the main body of the tool when attaching it.

Installing or removing the dust

collection system

Optional accessory

To install the dust collection system, insert the tool into

the dust collection system all the way until it locks in

place with a little double click.

► Fig.23

To remove the dust collection system, pull the tool while

pressing the lock-off button.

► Fig.24: 1. Lock-off button

Dust cup

Optional accessory

Use the dust cup to prevent dust from falling over the

tool and on yourself when performing overhead drilling

operations. Attach the dust cup to the bit as shown in

the gure. The size of bits which the dust cup can be

attached to is as follows.

Model Bit diameter

Dust cup 5 6 mm - 14.5 mm

Dust cup 9 12 mm - 16 mm

► Fig.25: 1. Dust cup

Dust cup set

Optional accessory

Before installing the dust cup set, remove the bit from

the tool if installed.

Install the dust cup set on the tool so that the sym-

bol on the dust cup is aligned with the groove in the tool.

► Fig.26: 1. symbol 2. Groove

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NOTE: If you connect a vacuum cleaner to the dust

cup set, remove the dust cap before connecting it.

► Fig.27: 1. Dust cap

To remove the dust cup set, remove the bit while pulling

the chuck cover in the direction of the arrow.

► Fig.28: 1. Bit 2. Chuck cover

Hold the root of dust cup and pull it out.

► Fig.29

NOTE: If the cap comes off from the dust cup, attach

it with its printed side facing up so that groove on the

cap ts in the inside periphery of the attachment.

► Fig.30

OPERATION

CAUTION: Always use the side grip (auxiliary

handle) and rmly hold the tool by both side grip

and switch handle during operations.

CAUTION: Always make sure that the work-

piece is secured before operation.

CAUTION: Do not pull the tool out forcibly

even the bit gets stuck. Loss of control may

cause injury.

CAUTION: The dust collection system is

intended for drilling in concrete only. Do not use

the dust collection system for drilling in metal or

wood.

CAUTION: When using the tool with the dust

collection system, be sure to attach the lter

to the dust collection system to prevent dust

inhalation.

CAUTION: Before using the dust collection

system, check that the lter is not damaged.

Failure to do so may cause dust inhalation.

CAUTION: The dust collection system col-

lects the generated dust at a considerable rate,

but not all dust can be collected.

NOTICE: Do not use the dust collection system

for core drilling or chiseling.

NOTICE: Do not use the dust collection system

for drilling in wet concrete or use this system

in wet environment. Failure to do so may cause

malfunction.

NOTE: If the battery cartridge is in low temperature,

the tool’s capability may not be fully obtained. In this

case, warm up the battery cartridge by using the

tool with no load for a while to fully obtain the tool’s

capability.

► Fig.31

Hammer drilling operation

CAUTION: There is tremendous and sudden

twisting force exerted on the tool/drill 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. Always use the side

grip (auxiliary handle) and rmly hold the tool by

both side grip and switch handle during opera-

tions. Failure to do so may result in the loss of control

of the tool and potentially severe injury.

Set the action mode changing knob to the symbol.

Position the drill 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 drill bit partially from the hole.

By repeating this several times, the hole will be cleaned

out and normal drilling may be resumed.

NOTE: Eccentricity in the drill bit rotation may occur

while operating the tool with no load. The tool auto-

matically centers itself during operation. This does not

affect the drilling precision.

Chipping/Scaling/Demolition

Set the action mode changing knob to the symbol.

Hold the tool rmly with both hands. Turn the tool on

and apply slight pressure on the tool so that the tool will

not bounce around, uncontrolled.

Pressing very hard on the tool will not increase the

efciency.

► Fig.32

Drilling in wood or metal

CAUTION: Hold the tool rmly and exert care

when the drill bit begins to break through the

workpiece. There is a tremendous force exerted on

the tool/drill bit at the time of hole break through.

CAUTION: A stuck drill 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 rmly.

CAUTION: Always secure workpieces in a

vise or similar hold-down device.

NOTICE: Never use “rotation with hammering”

when the drill chuck is installed on the tool. The

drill chuck may be damaged.

Also, the drill chuck will come off when reversing the

tool.

NOTICE: 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 drill

bit, decrease the tool performance and shorten the

service life of the tool.

Set the action mode changing knob to the symbol.

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18 ENGLISH

For DHR280/DHR282

Optional accessory

Attach the chuck adapter to a keyless drill chuck to

which 1/2"-20 size screw can be installed, and then

install them to the tool. When installing it, refer to the

section “Installing or removing drill bit”.

► Fig.33: 1. Keyless drill chuck 2. Chuck adapter

For DHR281/DHR283

Use the quick change drill chuck as standard equip-

ment. When installing it, refer to "changing the quick

change chuck for SDS-plus".

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 rmly and turn the sleeve clock-

wise to tighten the chuck.

► Fig.34: 1. Sleeve 2. Ring

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

counterclockwise.

Diamond core drilling

NOTICE: If performing diamond core drilling

operations using “rotation with hammering”

action, the diamond core bit may be damaged.

When performing diamond core drilling operations,

always set the change lever to the position to use

"rotation only" action.

Disposing of dust

Optional accessory

CAUTION: Always be sure that the tool is

switched off and the battery cartridge is removed

before carrying out any work on the tool.

CAUTION: Be sure to wear dust mask when

disposing of dust.

CAUTION: Empty the dust case regularly

before the dust case becomes full. Failure to do so

may decrease the dust collection performance and

cause dust inhalation.

CAUTION: The performance of dust collection

decreases if the lter in the dust case become

clogged. Replace the lter with new one after

approximately 200 times of dust fulllment as a

guide. Failure to do so may cause dust inhalation.

1. Remove the dust case while pressing down the

lever of the dust case.

► Fig.35: 1. Lever

2. Open the cover of the dust case.

► Fig.36: 1. Cover

3. Dispose of the dust, and then clean the lter.

► Fig.37

NOTICE: When cleaning the lter, do not touch

the lter with brush or similar, or blow com-

pressed air on the lter. It may damage the lter.

Blow-out bulb

Optional accessory

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

dust out of the hole.

► Fig.38

Using dust cup set

Optional accessory

Fit the dust cup set against the ceiling when operating

the tool.

► Fig.39

NOTICE: Do not use the dust cup set when drill-

ing in metal or similar. It may damage the dust

cup set due to the heat produced by small metal

dust or similar.

NOTICE: Do not install or remove the dust cup

set with the drill bit installed in the tool. It may

damage the dust cup set and cause dust leak.

WIRELESS ACTIVATION

FUNCTION

Optional accessory for DHR282/DHR283

What you can do with the wireless

activation function

The wireless activation function enables clean and com-

fortable operation. By connecting a supported vacuum

cleaner to the tool, you can run the vacuum cleaner

automatically along with the switch operation of the tool.

► Fig.40

To use the wireless activation function, prepare follow-

ing items:

•A wireless unit (optional accessory)

•A vacuum cleaner which supports the wireless

activation function

The overview of the wireless activation function

setting is as follows. Refer to each section for detail

procedures.

1. Installing the wireless unit

2. Tool registration for the vacuum cleaner

3. Starting the wireless activation function

Installing the wireless unit

Optional accessory

CAUTION: Place the tool on a at and stable

surface when installing the wireless unit.

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NOTICE: Clean the dust and dirt on the tool

before installing the wireless unit. Dust or dirt

may cause malfunction if it comes into the slot of the

wireless unit.

NOTICE: To prevent the malfunction caused by

static, touch a static discharging material, such

as a metal part of the tool, before picking up the

wireless unit.

NOTICE: When installing the wireless unit,

always be sure that the wireless unit is inserted

in the correct direction and the lid is completely

closed.

1. Open the lid on the tool as shown in the gure.

► Fig.41: 1. Lid

2. Insert the wireless unit to the slot and then close

the lid.

When inserting the wireless unit, align the projections

with the recessed portions on the slot.

► Fig.42: 1. Wireless unit 2. Projection 3. Lid

4. Recessed portion

When removing the wireless unit, open the lid slowly.

The hooks on the back of the lid will lift the wireless unit

as you pull up the lid.

► Fig.43: 1. Wireless unit 2. Hook 3. Lid

After removing the wireless unit, keep it in the supplied

case or a static-free container.

NOTICE: Always use the hooks on the back of

the lid when removing the wireless unit. If the

hooks do not catch the wireless unit, close the lid

completely and open it slowly again.

Tool registration for the vacuum

cleaner

NOTE: A Makita vacuum cleaner supporting the

wireless activation function is required for the tool

registration.

NOTE: Finish installing the wireless unit to the tool

before starting the tool registration.

NOTE: During the tool registration, do not pull the

switch trigger or turn on the power switch on the

vacuum cleaner.

NOTE: Refer to the instruction manual of the vacuum

cleaner, too.

If you wish to activate the vacuum cleaner along with

the switch operation of the tool, nish the tool registra-

tion beforehand.

1. Install the batteries to the vacuum cleaner and the

tool.

2. Set the stand-by switch on the vacuum cleaner to

"AUTO".

► Fig.44: 1. Stand-by switch

3. Press the wireless activation button on the vac-

uum cleaner for 3 seconds until the wireless activation

lamp blinks in green. And then press the wireless acti-

vation button on the tool in the same way.

► Fig.45: 1. Wireless activation button 2. Wireless

activation lamp

If the vacuum cleaner and the tool are linked success-

fully, the wireless activation lamps will light up in green

for 2 seconds and start blinking in blue.

NOTE: The wireless activation lamps nish blinking

in green after 20 seconds elapsed. Press the wireless

activation button on the tool while the wireless acti-

vation lamp on the cleaner is blinking. If the wireless

activation lamp does not blink in green, push the wire-

less activation button briey and hold it down again.

NOTE: When performing two or more tool registra-

tions for one vacuum cleaner, nish the tool registra-

tion one by one.

Starting the wireless activation

function

NOTE: Finish the tool registration for the vacuum

cleaner prior to the wireless activation.

NOTE: Refer to the instruction manual of the vacuum

cleaner, too.

After registering a tool to the vacuum cleaner, the

vacuum cleaner will automatically runs along with the

switch operation of the tool.

1. Install the wireless unit to the tool.

2. Connect the hose of the vacuum cleaner with the

tool.

► Fig.46

3. Set the stand-by switch on the vacuum cleaner to

"AUTO".

► Fig.47: 1. Stand-by switch

4. Push the wireless activation button on the tool

briey. The wireless activation lamp will blink in blue.

► Fig.48: 1. Wireless activation button 2. Wireless

activation lamp

5. Pull the switch trigger of the tool. Check if the

vacuum cleaner runs while the switch trigger is being

pulled.

To stop the wireless activation of the vacuum cleaner,

push the wireless activation button on the tool.

NOTE: The wireless activation lamp on the tool will

stop blinking in blue when there is no operation for

2 hours. In this case, set the stand-by switch on the

vacuum cleaner to "AUTO" and push the wireless

activation button on the tool again.

NOTE: The vacuum cleaner starts/stops with a delay.

There is a time lag when the vacuum cleaner detects

a switch operation of the tool.

NOTE: The transmission distance of the wireless unit

may vary depending on the location and surrounding

circumstances.

NOTE: When two or more tools are registered to one

vacuum cleaner, the vacuum cleaner may start run-

ning even if you don't pull the switch trigger because

an other user is using the wireless activation function.

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Description of the wireless activation lamp status

► Fig.49: 1. Wireless activation lamp

The wireless activation lamp shows the status of the wireless activation function. Refer to the table below for the

meaning of the lamp status.

Status Wireless activation lamp Description

Color

On Blinking

Duration

Standby Blue 2 hours The wireless activation of the vacuum cleaner is available. The

lamp will automatically turn off when no operation is performed

for 2 hours.

When

the tool is

running.

The wireless activation of the vacuum cleaner is available and the

tool is running.

Tool

registration

Green 20 seconds Ready for the tool registration. Waiting for the registration by the

vacuum cleaner.

2 seconds The tool registration has been nished. The wireless activation

lamp will start blinking in blue.

Cancelling

tool

registration

Red 20 seconds Ready for the cancellation of the tool registration. Waiting for the

cancellation by the vacuum cleaner.

2 seconds The cancellation of the tool registration has been nished. The

wireless activation lamp will start blinking in blue.

Others Red 3 seconds The power is supplied to the wireless unit and the wireless activa-

tion function is starting up.

Off - - The wireless activation of the vacuum cleaner is stopped.

Cancelling tool registration for the

vacuum cleaner

Perform the following procedure when cancelling the

tool registration for the vacuum cleaner.

1. Install the batteries to the vacuum cleaner and the

tool.

2. Set the stand-by switch on the vacuum cleaner to

"AUTO".

► Fig.50: 1. Stand-by switch

3. Press the wireless activation button on the vac-

uum cleaner for 6 seconds. The wireless activation

lamp blinks in green and then become red. After that,

press the wireless activation button on the tool in the

same way.

► Fig.51: 1. Wireless activation button 2. Wireless

activation lamp

If the cancellation is performed successfully, the wire-

less activation lamps will light up in red for 2 seconds

and start blinking in blue.

NOTE: The wireless activation lamps nish blinking in

red after 20 seconds elapsed. Press the wireless acti-

vation button on the tool while the wireless activation

lamp on the cleaner is blinking. If the wireless acti-

vation lamp does not blink in red, push the wireless

activation button briey and hold it down again.

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