Cordless Impact Wrench
Contents
1. Tr 3 k ta t Wrench 014635 ENGLISH Original instructions SPECIFICATIONS Model DTW280 DTW281 Capacities Standard bolt M10 M20 M10 M20 High tensile bolt M10 M16 M10 M16 Square drive 12 7 mm 12 7 mm Impact mode Hard 0 2 800 0 2 800 No load speed min Impact mode Medium 0 2 100 0 2 100 Impact mode Soft 0 1 600 0 1 600 Impact mode Hard 0 3 500 0 3 500 Impacts per minute min Impact mode Medium 0 2 600 0 2 600 Impact mode Soft 0 1 800 0 1 800 Overall length 147 mm 147 mm Net weight 1 5 kg 1 7 kg Rated voltage D C 14 4 V D C 18 V 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 6 Symbols Wear ear protection The following show the symbols used for the equipment ENG900 1 Be sure that you understand their meaning before use Vibration OT Read instruction manual The vibration total value tri axial vector sum determined according to EN60745 ST Cd Only for EU countries Li ion Do not dispose of electric equipment or Model DTW280 battery pack Ha with household Work mode impact tightening of fasteners of the Waste material maximum capacity of the tool In observance bathe European Vibration em2. 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 protec
3. A worn socket wear on the hex end or square end will cause a reduction in the fastening N m torgue 3 Bolt Even though the torgue coefficient and the class of bolt are the same the proper fastening torgue will differ according to the diameter of bolt Even though the diameters of bolts are the same the proper fastening torgue will differ according to the torgue coefficient the class of bolt and the bolt length 4 The use of the universal joint or the extension bar somewhat reduces the fastening force of the impact wrench Compensate by fastening for a longer period of time 5 The manner of holding the tool or the material of driving position to be fastened will affect the High tensile bolt Fastening torgue Proper fastening torgue Model DTW281 Standard bolt Fastening torgue Proper fastening torgue 1 0 5 1 0 15 Fastening time S torque High tensile bolt 6 Operating the tool at low speed will cause a Nm reduction in the fastening torque MAINTENANCE CAUTION 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 any other maintenance or adjustment should be performed by Makita Authorized Service Centers always using Makita replacem
4. Always use the correct size socket for bolts and nuts An incorrect size socket will result in inaccurate and inconsistent fastening torque and or damage to the bolt or nut Installing or removing socket For socket without O ring and pin 1 Socket 2 Sguare drive Align the hole in the side of the socket with the detent pin on the sguare drive and push the socket onto the sguare drive until it locks into place Tap it lightly if reguired To remove the socket simply pull it off For socket with O ring and pin 1 Socket 2 O ring 3 Pin Move the O ring out of the groove in the socket and remove the pin from the socket Fit the socket onto the sguare drive so that the hole in the socket is aligned with the hole in the sguare drive Insert the pin through the hole in the socket and sguare drive Then return the O ring to the original position in the socket groove to retain the pin To remove the socket follow the installation procedures in reverse Hook 1 Hook 2 Screw 3 Groove The hook is convenient for temporarily hanging the tool This can be installed on either side of the tool To install the hook insert it into a groove in the tool housing on either side and then secure it with a screw To remove loosen the screw and then take it out OPERATION Acaution Always insert the battery cartridge all the way until it locks in place If you can see the red part on the upper side of the button it is no
5. tool is switched off and when it is running idle in addition to the trigger time ENH101 18 For European countries only EC Declaration of Conformity Makita declares that the following Machine s Designation of Machine Cordless Impact Wrench Model No Type DTW280 DTW281 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 30 7 2013 Yasushi Fukaya Director Makita Jan Baptist Vinkstraat 2 3070 Belgium GEA006 2 General Power Tool Safety Warnings A 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
6. d the tool and the battery cartridge firmly may cause them to slip off your hands and result in damage to the tool and battery cartridge and a personal injury 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 Acaution 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 Do not install the battery cartridge forcibly 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 eguipped 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 bec
7. ent parts Fastening torque Proper fastening torque Fastening time S OPTIONAL ACCESSORIES Ac AUTION 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 Sockets Extension bar Universal joint Bit adapter Makita genuine battery and charger NOTE Some items in the list may be included in the tool package as standard accessories They may differ from country to country 11 Makita Jan Baptist Vinkstraat 2 3070 Belgium Makita Corporation Anjo Aichi Japan 885306A221 www makita com
8. ission an 14 0 m s Directives on Waste Electric and Uncertainty K 1 5 m s Electronic Equipment and Batteries and Accumulators and Waste Batteries and Model DTW281 Accumulators and their implementation in accordance with national laws Work mode impact tightening of fasteners of the electric equipment and batteries and maximum capacity of the tool battery pack s that have reached the Vibration emission an 11 5 m s end of their life must be collected Uncertainty K 1 5 m s E separately ang returned io AN The declared vibration emission value has been environmentally compatible recycling measured in accordance with the standard test facility ENE036 1 method and may be used for comparing one tool Intended use with another The tool is intended for fastening bolts and nuts The declared vibration emission value may also be ENG905 1 used in a preliminary assessment of exposure Noise The typical A weighted noise level determined WARNING according to EN60745 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 Be sure to identify safety measures to protect the operator that are based on an estimation of Sound pressure level Lpa 96 dB A Sound power level Lwa 107 dB A Uncertainty K 3 dB A exposure in the actual conditions of use taking account of all parts of the operating cycle such as the times when the
9. n 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 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 Battery tool use and care 24 25 26 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
10. ome overloaded 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 Indicating the remaining battery capacity 1 LED display When you pull the switch trigger the LED display shows the remaining battery capacity The remaining battery capacity is shown as the following table LED indicator status Remaining battery capacity About 50 or more About 20 50 About less than 20 NOTE When the LED display goes off the tool is turned off to save the battery power To check the remaining battery capacity slightly pull the switch trigger The LED display goes off approximately one minute after releasing the switch trigger When the tool is overheated the light flashes for one minute and then the LED display goes off In this case cool down the tool before operating again When the LED display lights up and the tool stops even with a recharged battery cartridge cool down the tool fully If the status will not change stop using and have the tool repaired by a Makita local service center Switch action 1 Switch trigger Acaution Before installing the battery cartridge into the tool always check to see that the swi
11. ore the tool stops may damage the tool When not operating the tool always set the reversing switch lever to the neutral position 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 Changing the impact force 1 Changed in three steps 2 Hard 3 Medium 4 Soft 5 Button Impact force grade Maximum blows Application Work displayed on panel Hard 3 500 Tightening when force min and speed are desired Assembling the steel frame 2 600 Tightening when you need Assembling or disassembling min good controlled power scaffolds or framework 1 800 Tightening when you need UDG fine adjustment with small Assembling the furniture min diameter bolt You can change the impact in three steps hard medium and soft mode This allows a tightening suitable to the work Every time the button 4 is pressed the number of blows changes in three steps For approximately one minute after releasing the switch trigger the impact force can be changed ASSEMBLY A CAUTION Always be sure that the tool is switched off and the battery cartridge is removed before carrying out any work on the tool Selecting correct socket
12. t locked completely Insert it fully until the red part cannot be seen If not it may accidentally fall out of the tool causing injury to you or someone around you Hold the tool firmly and place the socket over the bolt or nut Turn the tool on and fasten for the proper fastening time The proper fastening torgue may differ depending upon the kind or size of the bolt the material of the workpiece to be fastened etc The relation between fastening torgue and fastening time is shown in the figures Model DTW280 Standard bolt N m 3 2 2 D 4 2 A o Proper fastening torque 0 5 1 0 15 Fastening time S NOTE Hold the tool pointed straight at the bolt or nut Nm Excessive fastening torque may damage the bolt nut or socket Before starting your job always perform a test operation to determine the proper fastening time for your bolt or nut If the tool is operated continuously until the battery cartridge has discharged allow the tool to rest for 15 minutes before proceeding with a fresh battery cartridge The fastening torgue is affected by a wide variety of factors including the following After fastening always check the torgue with a torgue wrench Fastening time S 1 When the battery cartridge is discharged almost completely voltage will drop and the fastening torque will be reduced 2 Socket Failure to use the correct size socket will cause a reduction in the fastening torgue
13. tch 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 Lighting up the front lamp Acaution Do not look in the light or see the source of light directly 1 Button To turn on the lamp status press the button ti for one second To turn off the lamp status press the button 4 for one second again With the lamp status ON pull the switch trigger to turn on the lamp To turn off release it The lamp goes out approximately 10 seconds after releasing the switch trigger With the lamp status OFF the lamp does not turn on even if pulling the trigger NOTE To confirm the lamp status pull the trigger When the lamp lights up by pulling the switch trigger the lamp status is ON When the lamp does not come on the lamp status is OFF 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 While pulling the switch trigger the lamp status cannot be changed For approximately 10 seconds after releasing the switch trigger the lamp status can be changed Reversing switch action AXCAUTION 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 bef
14. 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 Do not use a damaged battery 10 Follow your local regulations relating to disposal of 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 before 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 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 1 Red indicator 2 Button 3 Battery cartridge Acaution Always switch off the tool before installing or removing of the battery cartridge Hold the tool and the battery cartridge firmly when installing or removing battery cartridge Failure to hol
15. tion 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 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 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 o
16. ure you have a firm footing Be sure no one is below when using the tool in high locations The proper fastening torque may differ depending upon the kind or size of the bolt Check the torque with a torque wrench SAVE THESE INSTRUCTIONS AWARNING 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 ENC007 8 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 current flow overheating possible burns and even a breakdown 6 Do not store
17. 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 27 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 lubricating changing accessories Keep handles dry clean and free from oil and grease and GEB049 2 CORDLESS IMPACT WRENCH SAFETY WARNINGS 1 Hold power tool by insulated gripping surfaces when performing an operation where the fastener may contact hidden wiring Fasteners contacting a live wire may make exposed metal parts of the power tool live and could give the operator an electric shock Wear ear protectors Check the socket carefully for wear cracks or damage before installation Hold the tool firmly Always be s
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