User Manual - Axminster Power Tool Centre
Contents
1. Tr 2 k ta ination Hammer 012621 ENGLISH Original instructions SPECIFICATIONS Model DHR242 DHR243 Concrete 24mm Capacities Steel 13 mm Wood 27mm No load speed min 0 950 Blows per minute 0 4 700 Overall length 328 mm 353 mm Net weight 3 3 kg 3 4 kg Rated voltage D C 18V Due to our continuing program of research and development the specifications herein are subject to change without notice Specifications and battery cartridge may differ from country to country Weight with battery cartridge according to EPTA Procedure 01 2003 END004 4 Symbols The following show the symbols used for the equipment Be sure that you understand their meaning before use QT A Read instruction manual in Only for EU countries Li ion Do not dispose of electric equipment or battery pack together with household waste material In observance of European Directive 2002 96 EC on waste electric and electronic equipment 2006 66 EC on batteries and accumulators and waste batteries and accumulators and their implementation in accordance with national laws electric equipment and battery pack 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 i2. 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 eguipment such as dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions 12 13 14 15 16 will reduce personal injuries 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 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 Do not overreach Keep proper footing and balance at all times This enables better control of the power tool in unexpected situations 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 If devices are provided for the connection of dust extraction and collection facilities ensure these are connected and prop
3. current flow 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 fire 8 Be careful not to drop or strike battery 9 Do not use a damaged battery SAVE THESE INSTRUCTIONS Tips for maintaining maximum battery life 1 Charge the battery cartridge completely discharged Always stop tool operation and charge the battery cartridge when you notice less tool power 2 Never recharge a fully charged battery cartridge Overcharging shortens the battery service life 3 Charge the battery cartridge with room temperature at 10 C 40 C 50 F 104 F Let a hot battery cartridge cool down before charging it 4 Charge the battery cartridge once in every six months if you do not use it for a long period of time before FUNCTIONAL DESCRIPTION Acaution 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 Acaution Hold the tool and the battery cartridge firmly when installing or removing battery cartridge Failure to hold the tool and the battery cartridge firmly may cause them to slip off your hands and result in damage to the tool and battery car
4. page Set the action mode changing knob so that the pointer points to the 8 symbol For model DHR243 Acaution Never use rotation with hammering when the drill chuck assembly is installed on the tool The drill chuck assembly may be damaged Also the drill chuck will come off when reversing the tool Quick change chuck for SDS plus Change cover line Change cover Spindle 2 Quick change drill chuck Change cover Change cover line 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 1 Quick change drill chuck 2 Sleeve 3 Ring 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 counterclockwise Set the action mode changing knob to the 8 symbol You can drill up to 13 mm diameter in metal and up to 32 mm diameter in wood Acaution 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
5. 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 T symbol Then make sure that the bit is securely held in place by turning it slightly OPERATION Hammer drilling operation 1 Hole 2 Depth gauge 3 Loosen 4 Tighten 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 Na 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 Bit diameter Dust cup 5 6mm 14 5 mm Dust cup 9 12 mm 16 mm Set the action mode changing knob to the T 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 remov
6. tool is switched off and the battery cartridge is removed before carrying out any work on the tool Side grip auxiliary handle 1 Protrusion 2 Groove 3 Loosen 4 Tighten 5 Side grip Acaution Always use the side grip to ensure operating safety Install the side grip so that the protrusion on the grip fit in between the grooves in 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 Clean the bit shank and apply bit grease before installing the bit 1 Bit shank 2 Bit grease Insert the bit into the tool Turn the bit and push it in until it engages 1 Bit 2 Chuck cover If the bit cannot be pushed in remove the bit Pull the chuck cover down a couple of times Then insert the bit again 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 To remove the bit pull the chuck cover down all the way and pull the bit out 1 Bit 2 Chuck cover Bit angle when chipping scaling or demolishing 1 Action mode changing knob 2 O symbol The bit can be secured at the desired angle To change the bit angle depress
7. 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 MAINTENANCE Acaution Always be sure that the tool is switched off and the battery cartridge is removed before attempting to perform inspection or maintenance Never use gasoline benzine thinner alcohol or the like Discoloration deformation or cracks may result 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 OPTIONAL ACCESSORIES ZA 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 chi
8. 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 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
9. ctors Exposure to noise can cause hearing loss Use auxiliary handle s if supplied with the tool Loss of control can cause personal injury Hold power tool by insulated gripping surfaces 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 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 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 injur
10. e 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 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 IMPORTANT SAFETY INSTRUCTIONS FOR BATTERY CARTRIDGE 1 Before using battery cartridge read all instructions 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 attention 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 conductive material 2 Avoid storing battery cartridge in a container 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
11. e the action mode changing knob to the 8 symbol Use a twist drill bit or wood bit Hammering only 1 Hammering only For chipping scaling or demolition operations depress the lock button and rotate the action mode changing knob to the T symbol Use a bull point cold chisel scaling chisel etc A CAUTION Do not rotate the action mode changing knob when the tool is running 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 When changing from the symbol mode to the 8 symbol mode the action mode changing knob may no longer move in the T8 symbol position At this time turn the tool on or turn the chuck by hand in the T8 symbol position and then rotate the action mode changing knob Forcing the action mode changing knob may cause tool damage 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 A CAUTION As soon as the torque limiter actuates switch off the tool immediately This will help prevent premature wear of the tool Hole saws cannot be used with this tool They tend to pinch or catch easily in the hole This will cause the torque limiter to actuate too frequently ASSEMBLY Acaution Always be sure that the
12. e the bit partially from the hole By repeating this several times the hole will be cleaned out and normal drilling may be resumed Acaution 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 After drilling the hole use the blow out bulb to clean the dust out of the hole Chipping Scaling Demolition Set the action mode changing knob to the T 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 Drilling in wood or metal 1 Chuck adapter 2 Keyless drill chuck 1 Sleeve 2 Ring 300 9 L 5 Use the optional drill chuck assembly When installing it refer to Installing or removing the bit described on the previous
13. erly used Use of dust collection can reduce dust related hazards Power tool use and care 17 18 19 20 21 22 23 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 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 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 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 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 Keep cutting tools sharp and clean Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control Use the power tool accessories and tool bits etc in accordance with these instructions taking int
14. loaded Then pull the trigger switch again to restart If the tool does not start the battery is overheated In this situation let the battery cool before pulling the trigger switch again Low battery voltage The remaining battery capacity is too low and the tool will not operate In this situation remove and recharge the battery Switch action 1 Switch trigger A 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 1 Reversing switch lever 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 counterclockwise rotation When the reversing switch lever is in the neutral position the switch trigger cannot be pulled A 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 Changing the quick change chuck for SDS plus For model DHR243 The quick change chuck fo
15. n 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 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 17 For European countries only EC Declaration of Conformity Makita declares that the following Machine s Designation of Machine Cordless Combination Hammer Model No Type DHR242 DHR243 Conforms to the following European Directives 2006 42 EC They are manufactured in accordance with the following standard or standardized documents EN60745 The technical file in accordance with 2006 42 EC is available from Makita Jan Baptist Vinkstraat 2 3070 Belgium 31 12 2013 Yasushi Fukaya Director Makita Jan Baptist Vinkstraat 2 3070 Belgium GEA006 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
16. o 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 Battery tool use and care 24 25 26 27 Recharge only with the charger specified by the manufacturer A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack Use power tools only with specifically designated battery packs Use of any other battery packs may create a risk of injury and fire When battery pack is not in use keep it away from other metal objects like paper clips coins keys nails screws or other small metal objects that can make a connection from one terminal to another Shorting the battery terminals together may cause burns or a fire Under abusive conditions liquid may be ejected from the battery avoid contact If contact accidentally occurs flush with water If liquid contacts eyes additionally seek medical help Liquid ejected from the battery may cause irritation or burns Service 28 29 30 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 Follow instruction for changing accessories Keep handles dry clean and free from oil and grease lubricating and GEB046 2 CORDLESS ROTARY HAMMER SAFETY WARNINGS 1 2 Wear ear prote
17. r 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 SDS plus 2 Change cover line 3 Change cover Acaution Before removing the guick change chuck for SDS plus always remove the bit Grasp the change cover of the guick change chuck for SDS plus and turn in the direction of the arrow until the change cover line moves from the 2 symbol to the 8 symbol Pull forcefully in the direction of the arrow Attaching the guick change drill chuck 1 Spindle 2 Quick change drill chuck 3 Change cover 4 Change cover line Check the line of the quick change drill chuck shows the 2 symbol Grasp the change cover of the quick change drill chuck and set the line to the 8 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 M symbol until a click can clearly be heard Selecting the action mode Rotation with hammering 1 Rotation with hammering 2 Lock button 3 Action mode changing knob For drilling in concrete masonry etc depress the lock button and rotate the action mode changing knob to the T symbol Use a tungsten carbide tipped bit Rotation only 1 Rotation only For drilling in wood metal or plastic materials depress the lock button and rotat
18. s also suitable for drilling without impact in wood metal ceramic and plastic ENG905 1 Noise The typical A weighted noise level determined according to EN60745 Model DHR242 Sound pressure level Lpa 90 dB A Sound power level Lwa 101 dB A Uncertainty K 3 dB A Model DHR243 Sound pressure level Lpa 89 dB A Sound power level Lwa 100 dB A Uncertainty K 3 dB A Wear ear protection ENG900 1 Vibration The vibration total value tri axial vector sum determined according to EN60745 Model DHR242 Work mode hammer drilling into concrete Vibration emission ar Ho 13 5 m s Uncertainty K 1 5 m s Work mode chiselling Vibration emission ah cueg 10 5 m s Uncertainty K 1 5 m s Work mode drilling into metal Vibration emission ar 3 5 m s Uncertainty K 1 5 m s Model DHR243 Work mode hammer drilling into concrete Vibration emission amp 13 m s Uncertainty K 1 5 m s Work mode chiselling Vibration emission ap cHeq 11 m s Uncertainty K 1 5 m s Work mode drilling into metal Vibration emission ar 2 5 m s or less Uncertainty K 1 5 m s 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 AAWARNING The vibratio
19. sel 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 Various type of Makita genuine batteries and chargers NOTE Some items in the list may be included in the tool package as standard accessories They may differ from country to country Makita Jan Baptist Vinkstraat 2 3070 Belgium Makita Corporation Anjo Aichi Japan 885236A226 www makita com
20. tridge and a personal injury 1 Red indicator 2 Button 3 Battery cartridge Always switch off the tool before installing or removing of the 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 Always 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 Install it 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 Do not use force when installing the battery cartridge If the cartridge does not slide in easily it is not being inserted correctly Battery protection system Lithium ion battery with star marking 1 Star marking Lithium ion batteries with a star marking are equipped with a protection system This system automatically cuts off power to the tool to extend battery life The tool will automatically stop during operation if the tool and or battery are placed under one of the following conditions Overloaded The tool is operated in a manner that causes it to draw an abnormally high current In this situation release the trigger switch on the tool and stop the application that caused the tool to become over
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