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3 ENGLISH

SAFETY WARNINGS

General power tool safety warnings

WARNING:

 

Read all safety warnings, instruc-

tions, illustrations and specifications provided 

with this power tool.

 Failure to follow all instructions 

listed below may result in electric shock, fire 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.

Work area safety

1. 

Keep work area clean and well lit.

 Cluttered or 

dark areas invite accidents.

2. 

Do not operate power tools in explosive atmo-

spheres, such as in the presence of flammable 

liquids, gases or dust.

 Power tools create sparks 

which may ignite the dust or fumes.

3. 

Keep children and bystanders away while 

operating a power tool.

 Distractions can cause 

you to lose control.

Electrical Safety

1. 

Power tool plugs must match the outlet. Never 

modify the plug in any way. Do not use any 

adapter plugs with earthed (grounded) power 

tools. 

Unmodified plugs and matching outlets will 

reduce risk of electric shock.

2. 

Avoid body contact with earthed or grounded 

surfaces, such as pipes, radiators, ranges and 

refrigerators.

 There is an increased risk of elec

-

tric shock if your body is earthed or grounded.

3. 

Do not expose power tools to rain or wet con-

ditions.

 Water entering a power tool will increase 

the risk of electric shock.

4. 

Do not abuse the cord. Never use the cord for 

carrying, pulling or unplugging the power tool. 

Keep cord away from heat, oil, sharp edges 

or moving parts.

 Damaged or entangled cords 

increase the risk of electric shock.

5. 

When operating a power tool outdoors, use an 

extension cord suitable for outdoor use.

 Use of 

a cord suitable for outdoor use reduces the risk of 

electric shock.

6. 

If operating a power tool in a damp location 

is unavoidable, use a residual current device 

(RCD) protected supply.

 Use of an RCD reduces 

the risk of electric shock.

7. 

Power tools can produce electromagnetic 

fields (EMF) that are not harmful to the user.

 

However, users of pacemakers and other similar 

medical devices should contact the maker of their 

device and/or doctor for advice before operating 

this power tool.

Personal Safety

1. 

Stay alert, watch what you are doing and use 

common sense when operating a power tool. 

Do not use a power tool while you are tired or 

under the influence of drugs, alcohol or med

-

ication.

 A moment of inattention while operating 

power tools may result in serious personal injury.

2. 

Use personal protective equipment. Always 

wear eye protection.

 Protective equipment such 

as a dust mask, non-skid safety shoes, hard hat or 

hearing protection used for appropriate conditions 

will reduce personal injuries.

3. 

Prevent unintentional starting. Ensure the 

switch is in the off-position before connecting 

to power source and/or battery pack, picking 

up or carrying the tool.

 Carrying power tools with 

your finger on the switch or energising power tools 

that have the switch on invites accidents.

4. 

Remove any adjusting key or wrench before 

turning the power tool on.

 A wrench or a key left 

attached to a rotating part of the power tool may 

result in personal injury.

5. 

Do not overreach. Keep proper footing and 

balance at all times.

 This enables better control 

of the power tool in unexpected situations.

6. 

Dress properly. Do not wear loose clothing or 

jewellery. Keep your hair and clothing away 

from moving parts.

 Loose clothes, jewellery or 

long hair can be caught in moving parts.

7. 

If devices are provided for the connection of 

dust extraction and collection facilities, ensure 

these are connected and properly used.

 Use of 

dust collection can reduce dust-related hazards.

8. 

Do not let familiarity gained from frequent use 

of tools allow you to become complacent and 

ignore tool safety principles.

 A careless action 

can cause severe injury within a fraction of a 

second.

9. 

Always wear protective goggles to protect 

your eyes from injury when using power tools.

The goggles must comply with ANSI Z87.1 in 

the USA, EN 166 in Europe, or AS/NZS 1336 

in Australia/New Zealand. In Australia/New 

Zealand, it is legally required to wear a face 

shield to protect your face, too.

It is an employer's responsibility to enforce 

the use of appropriate safety protective equip-

ments by the tool operators and by other per-

sons in the immediate working area.

Summary of Contents for DHR400PT2

Page 1: ...INSTRUCTION MANUAL Cordless Rotary Hammer DHR400 ENGLISH Original instructions Read before use ...

Page 2: ... their life must be col lected separately and returned to an envi ronmentally compatible recycling facility Intended use The tool is intended for hammer drilling and drilling in brick concrete and stone as well as for chiselling work Noise The typical A weighted noise level determined accord ing to EN60745 Sound pressure level LpA 91 dB A Sound power level LWA 102 dB A Uncertainty K 3 dB A WARNING...

Page 3: ...r medical devices should contact the maker of their device and or doctor for advice before operating this power tool Personal Safety 1 Stay alert watch what you are doing and use common sense when operating a power tool Do not use a power tool while you are tired or under the influence of drugs alcohol or med ication A moment of inattention while operating power tools may result in serious persona...

Page 4: ...nother Shorting the battery termi nals together may cause burns or a fire 4 Under abusive conditions liquid may be ejected from the battery avoid contact If con tact accidentally occurs flush with water If liquid contacts eyes additionally seek medical help Liquid ejected from the battery may cause irritation or burns 5 Do not use a battery pack or tool that is dam aged or modified Damaged or modi...

Page 5: ...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 ...

Page 6: ...ess 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 l...

Page 7: ...he 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 and the lamp blinks In this case let the tool and battery cool before turning the tool on again Overdischarge protection Whe...

Page 8: ...n 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 fluidity in grease the tool may not have this function even with the motor rotating Lighting up the front lamp 1 1 Lamp CAUTION Do not look in the light or see the source of light directly Pull the switch trigger to light ...

Page 9: ...en under load condition 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 handle CAUTION Use the side handle only when chipping scaling or demolishing Do not use it when drilling in concrete masonry etc The tool cannot be held properly with this side handle when drilling 1 2 1 Side handle 2 Clamp nut The...

Page 10: ...nstalling the drill bit always make sure that the drill bit is securely held in place by trying to pull it out 1 1 Drill bit To remove the drill bit pull the chuck cover down all the way and pull the drill bit out 1 2 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...

Page 11: ...depth gauge NOTE Make sure that the depth gauge does not touch the main body of the tool when attaching it Dust extractor attachment Optional accessory Installing the dust extractor attachment 1 Loosen the side grip on the tool 2 Install the dust cover so that the claws of the dust cover fit in the grooves between the tool and the side grip 1 2 3 1 Dust cover 2 Claw 3 Groove 3 Tighten the side gri...

Page 12: ...tack two bellows attach the depth gauge extension to the depth gauge 1 1 Depth gauge extension Dust extractor attachment for hammering only Optional accessory 1 Install the hose holder When the side handle is installed to tool loosen the clamp nut and then remove the hex bolt Install the hose holder with the hex bolt and the clamp nut by tightening the clamp nut firmly 1 2 3 1 Bolt 2 Hose holder 3...

Page 13: ...ool and then fix the hose to the hose holders 1 2 3 3 1 Dust cover 2 Hose 3 Hose holder 4 Connect the hose to the hose of the vacuum cleaner with the hose joint NOTE If the hose is not included attach the dust cover to the cleaner s joint or attach it to Makita s hose ø28 5 Adjust the distance between the dust cover and the tip of the chisel or bull point The recommended distance is 30 mm to 100 m...

Page 14: ...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...

Page 15: ...essory CAUTION Place the tool on a flat and stable surface when installing the wireless unit 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 wire...

Page 16: ...itch 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 finish 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 1 1 Stand by switch 3 Press the...

Page 17: ...m cleaner to AUTO 1 1 Stand by switch 4 Push the wireless activation button on the tool briefly The wireless activation lamp will blink in blue 1 2 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 b...

Page 18: ...uum 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 finished 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 b...

Page 19: ...nd then become red After that press the wireless activation button on the tool in the same way 1 2 1 2 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 finish blinking in red after 20 seconds elapsed Press the wireless ...

Page 20: ...led into the tool Install the wireless unit correctly The terminal of the wireless unit and or the slot is dirty Gently wipe off dust and dirt on the terminal of the wireless unit and clean the slot The stand by switch on the vacuum cleaner is not set to AUTO Set the stand by switch on the vacuum cleaner to AUTO No power supply Supply the power to the tool and the vacuum cleaner Incorrect operatio...

Page 21: ...ner away from the appliances such as Wi Fi devices and microwave ovens The vacuum cleaner runs while the tool s switch trigger is not pulled Other users are using the wireless activation of the vacuum cleaner with their tools Turn off the wireless activation button of the other tools or cancel the tool registration of the other tools MAINTENANCE CAUTION Always be sure that the tool is switched off...

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Page 24: ...www makita com Makita Europe N V Makita Corporation 3 11 8 Sumiyoshi cho Anjo Aichi 446 8502 Japan Jan Baptist Vinkstraat 2 3070 Kortenberg Belgium 885622 221 EN 20170913 ...

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