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Makita Power Hammer HR2470 User Guide

Makita HR2470T Instruction manual

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Document DEVICE REPORT7298006
ENGLISH (Original instructions)

INSTRUCTION MANUAL
Rotary Hammer
HR2470 HR2470F HR2470FT HR2470T

DOUBLE INSULATION

007943

WARNING: For your personal safety, READ and UNDERSTAND before using. SAVE THESE INSTRUCTIONS FOR FU1 TURE REFERENCE.

ENGLISH (Original instructions)
SPECIFICATIONS

Model

HR2470/HR2470F

HR2470T/HR2470FT

Tungsten-carbide tipped bit

24 mm

Concrete

Core bit

54 mm

Capacities

Diamond core bit (dry type)

65 mm

Steel

13 mm

Wood No load speed (min-1)

32 mm 0 - 1,100

Blows per minute

0 - 4,500

Overall length

370 mm

394 mm

Net weight

2.9 kg

3.0 kg

Safety class

/II

· Due to our continuing programme of research and development, the specifications herein are subject to change without notice.

· Specifications may differ from country to country.

· Weight according to EPTA-Procedure 01/2003

END201-5
Symbols The following show the symbols used for the equipment. Be sure that you understand their meaning before use.
 Read instruction manual.
 DOUBLE INSULATION
 Only for EU countries Do not dispose of electric equipment together with household waste material! In observance of European Directive 2002/96/EC on waste electric and electronic equipment and its implementation in accordance with national law, electric equipment that have reached the end of their life must be collected separately and returned to an environmentally compatible recycling facility.
ENE043-1
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.
ENF002-1
Power supply The tool should be connected only to a power supply of the same voltage as indicated on the nameplate, and can only be operated on single-phase AC supply. They are double-insulated in accordance with European Standard and can, therefore, also be used from sockets without earth wire.

ENG102-3
Noise The typical A-weighted noise level determined according to EN60745:
Sound pressure level (LpA) : 90 dB(A) Sound power level (LWA) : 101 dB(A) Uncertainty (K) : 3 dB(A)
Wear ear protection
ENG215-2
Vibration The vibration total value (tri-axial vector sum) determined according to EN60745:
Work mode : chiseling function Vibration emission (ah,CHeq) : 12.5 m/s2 Uncertainty (K) : 1.5 m/s2
ENG303-2
Work mode : hammer drilling into concrete Vibration emission (ah,HD) : 15.5 m/s2 Uncertainty (K) : 1.5 m/s2
ENG301-1
Work mode : drilling into metal Vibration emission (ah,D) : 4.5 m/s2 Uncertainty (K) : 1.5 m/s2
ENG901-1
· 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.
· 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.

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· Be sure to identify safety measures to protect the operator that are based on an estimation 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).
ENH101-13
For European countries only EC Declaration of Conformity We Makita Corporation as the responsible manufacturer declare that the following Makita machine(s): Designation of Machine: Rotary Hammer
Model No./ Type: HR2470, HR2470F, HR2470FT, HR2470T are of series production and Conforms to the following European Directives:
98/37/EC until 28th December 2009 and then with 2006/42/EC from 29th December 2009 And are manufactured in accordance with the following standards or standardised documents: EN60745 The technical documentation is kept by our authorised representative in Europe who is: Makita International Europe Ltd, Michigan, Drive, Tongwell, Milton Keynes, MK15 8JD, England
30th January 2009

000230

Tomoyasu Kato Director
Makita Corporation 3-11-8, Sumiyoshi-cho,
Anjo, Aichi, JAPAN

GEA005-2
General Power Tool Safety Warnings
WARNING Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

Save all warnings and instructions 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
atmospheres, 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 4. 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. 5. Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded. 6. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. 7. 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. 8. 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. 9. If operating a power tool in a damp location is unavoidable, use a ground fault circuit interrupter (GFCI) protected supply. Use of an GFCI reduces the risk of electric shock. Personal safety 10. 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 medication. A moment of inattention while operating power tools may result in serious personal injury. 11. Use personal protective equipment. Always wear eye protection. Protective equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries. 12. 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.

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13. 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.
14. Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations.
15. Dress properly. Do not wear loose clothing or jewellery. Keep your hair, clothing, and gloves away from moving parts. Loose clothes, jewellery or long hair can be caught in moving parts.
16. 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.
Power tool use and care 17. Do not force the power tool. Use the correct
power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed. 18. Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired. 19. Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally. 20. Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users. 21. Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool's operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools. 22. Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control. 23. Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation. Service 24. Have your power tool serviced by a qualified repair person using only identical replacement

parts. This will ensure that the safety of the power tool is maintained. 25. Follow instruction for lubricating and changing accessories. 26. Keep handles dry, clean and free from oil and grease.
GEB007-7
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 surfaces, when performing an operation where the cutting accessory may contact hidden wiring or its own cord. 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 recommended 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.
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 difficult.
8. Always be sure you have a firm footing. Be sure no one is below when using the tool in high locations.
9. Hold the tool firmly 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 fly out and injure someone seriously. 13. Do not touch the bit or parts close to the bit 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 inhalation and skin contact. Follow material

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supplier safety data.
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.
FUNCTIONAL DESCRIPTION
CAUTION: · Always be sure that the tool is switched off and
unplugged before adjusting or checking function on the tool. Switch action
1. Switch trigger 2. Lock button 2
1
007933
CAUTION: · Before plugging in 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. For continuous operation, pull the switch trigger and then push in the lock button. To stop the tool from the locked position, pull the switch trigger fully, then release it. Lighting up the lamps For Model HR2470F, 2470FT
1. Lamp
1
007934

CAUTION: · Do not look in the light or see the source of light
directly. To turn on the lamp, pull the trigger. Release the trigger to turn it off.

NOTE: · Use a dry cloth to wipe the dirt off the lens of lamp.
Be careful not to scratch the lens of lamp, or it may lower the illumination.

Reversing switch action

1. Reversing

B

1

switch lever

A

007935

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. · If the switch trigger can not be depressed, check to see that the reversing switch is fully set to position (A side) or (B side). This tool has a reversing switch to change the direction of rotation. Move the reversing switch lever to the position (A side) for clockwise rotation or the position (B side) for counterclockwise rotation.

Changing the quick change chuck for SDS-plus For model HR2470T/HR2470FT 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

1. Quick change

chuck for

1

SDS-plus 2. Change cover

line

3. Change cover

3 2
007944

5

CAUTION: · Before removing the quick change chuck for
SDS-plus, always 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. Attaching the quick change drill chuck

2

1

1. Spindle 2. Quick change
drill chuck 3. Change cover
line 4. Change cover

007945

4 3

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.

Selecting the action mode Rotation with hammering

1

2

1. Lock button

2. Action mode

changing knob

007946

For drilling in concrete, masonry, etc., depress the lock button and rotate the action mode changing knob to the
symbol. Use a tungsten-carbide tipped bit. Rotation only

1

1. Rotation only

For drilling in wood, metal or plastic materials, depress the lock button and rotate the action mode changing knob to the symbol. Use a twist drill bit or wood bit. Hammering only
1. Hammering only 1
007948
For chipping, scaling or demolition operations, depress the lock button and rotate the action mode changing knob to the symbol. Use a bull point, cold chisel, scaling chisel, etc.
CAUTION: · Do not rotate the action mode changing knob when
the tool is running under load. The tool will be damaged. · 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. Torque limiter The torque limiter will actuate when a certain torque level is reached. The motor will disengage from the output shaft. When this happens, the bit will stop turning.
CAUTION: · As soon as the torque limiter actuates, switch off
the tool immediately. This will help prevent premature wear of the tool. · Bits such as hole saw, which tend to pintch or catch easily in the hole, are not appropriate for this tool. This is because they will cause the torque limiter to actuate too frequently.
ASSEMBLY
CAUTION: · Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.

007947
6

Side grip (auxiliary handle)

1

6

3

45 2

1. Grip base 2. Side grip 3. Loosen 4. Tighten 5. Teeth 6. Protrusion

007949

CAUTION: · Always use the side grip to ensure operating
safety. Install the side grip so that the teeth on the grip fit in between the protrusions on the tool barrel. Then tighten the grip by turning clockwise at the desired position. It may be swung 360° so as to be secured at any position.

Bit grease Coat the bit shank head beforehand with a small amount of bit grease (about 0.5 - 1 g). This chuck lubrication assures smooth action and longer service life.

Installing or removing the bit

1

2

1. Bit shank 2. Bit grease

To remove the bit, pull the chuck cover down all the way and pull the bit out.
1. Bit 2. Chuck cover 1
2

007939

Bit angle (when chipping, scaling or demolishing)

1

1. Lock button 2. Action mode

changing knob

2
007950
The bit can be secured at the desired angle. To change the bit angle, depress the lock button and rotate the action mode changing knob to the O symbol. Turn the bit to the desired angle. Depress the lock button and rotate the action mode changing knob to the symbol. Then make sure that the bit is securely held in place by turning it slightly.

003150

Clean the bit shank and apply bit grease before installing the bit.
1. Bit 2. Chuck cover 1
2

007951
Depth gauge

1

007938

Insert the bit into the tool. Turn the bit and push it in until it engages. After installing, always make sure that the bit is securely held in place by trying to pull it out.

007952

7

1. Depth gauge

The depth gauge is convenient for drilling holes of uniform depth. Loosen the side grip and insert the depth gauge into the hole in the side grip. Adjust the depth gauge to the desired depth and tighten the side grip.
NOTE: · The depth gauge cannot be used at the position
where the depth gauge strikes against the gear housing. Dust cup
1. Dust cup
1

001300

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 figure. The size of bits which the dust cup can be attached to is as follows.

006406

Dust cup 5 Dust cup 9

Bit diameter 6 mm - 14.5 mm 12 mm - 16 mm

OPERATION
Hammer drilling operation

and normal drilling may be resumed.
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. Always use the side grip (auxiliary handle) and firmly hold the tool by both side grip and switch handle during operations. Failure to do so may result in the loss of control of the tool and potentially severe injury. NOTE: Eccentricity in the bit rotation may occur while operating the tool with no load. The tool automatically centers itself during operation. This does not affect the drilling precision. Blow-out bulb (optional accessory)
1. Blow-out bulb
1
002449
After drilling the hole, use the blow-out bulb to clean the dust out of the hole. Chipping/Scaling/Demolition

007953
Set the action mode changing knob to the symbol. 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

007954
Set the action mode changing knob to the symbol. Hold the tool firmly 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 efficiency.

8

Drilling in wood or metal 1

1. Chuck adapter 2. Keyless drill
chuck

2
004223

1
007944

1. Quick change chuck for SDS-plus
2. Change cover line
3. Change cover
3 2

2

1

007945

4 3

1. Spindle 2. Quick change
drill chuck 3. Change cover
line 4. Change cover

1

1. Sleeve

2. Ring

3. Quick change

drill chuck

2

3

clockwise to tighten the chuck. To remove the bit, hold the ring and turn the sleeve counterclockwise. Set the action mode changing knob to the symbol. You can drill up to 13 mm diameter in metal and up to 32 mm diameter in wood.
CAUTION: · Never use "rotation with hammering" when the
quick change drill chuck is installed on the tool. The quick change drill chuck may be damaged. Also, the drill chuck will come off when reversing the tool. · 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 performance and shorten the service life of the tool. · There is a tremendous twisting 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.
Diamond core drilling When performing diamond core drilling operations, always set the change lever to the position to use "rotation only" action.
CAUTION: · If performing diamond core drilling operations
using "rotation with hammering" action, the diamond core bit may be damaged.
MAINTENANCE

004224
For Model HR2470/HR2470F Use the optional drill chuck assembly. When installing it, refer to "Installing or removing the bit" described on the previous page. For model HR2470T/HR2470FT Use the quick change drill chuck as standard equipment. When installing it, refer to "changing the quick change chuck for SDS-plus " described on the previous page. 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

CAUTION: · Always be sure that the tool is switched off and
unplugged before attempting to perform inspection or maintenance. To maintain product SAFETY and RELIABILITY, repairs, carbon brush inspection and replacement, any other maintenance or adjustment should be performed by Makita Authorized Service Centers, always using Makita replacement parts.

9

ACCESSORIES
CAUTION: · These accessories or attachments are
recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose. If you need any assistance for more details regarding these accessories, ask your local Makita Service Center. · SDS-Plus Carbide-tipped bits · Bull point · Cold chisel · Scaling chisel · Grooving chisel · Drill chuck assembly · Drill chuck S13 · Chuck adapter · Chuck key S13 · Bit grease · Side grip · Depth gauge · Blow-out bulb · Dust cup · Dust extractor attachment · Safety goggles · Plastic carrying case · Keyless drill chuck
10

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Makita Corporation Anjo, Aichi, Japan

884704C226

12


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