Makita 6916D User's Manual
Contents
1. Tua kita Cordless Impact Driver Equipped with Electric Brake MODEL 6916D 002791 INSTRUCTION MANUAL A WARNING For your personal safety READ and UNDERSTAND before using SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE SPECIFICATIONS Model 6916D Capacities Standard bolt 5 mm 12 mm 3 16 1 2 High tensile bolt 5 mm 10 mm 3 16 3 8 No load speed RPM 0 2 300 min Impacts per minute 0 3 000 Overall length 168 mm 6 5 8 Net weight 1 5 kg 3 3 Ibs Rated voltage D C 12 V Standard battery cartridges 1222 1234 1235 e Manufacturer reserves the right to change specifications without notice e Specifications may differ from country to country GENERAL SAFETY RULES USA003 1 FOR All BATTERY OPERATED TOOLS A WARNING Read and understand all instructions Failure to follow all instructions listed below may result in electric shock fire and or serious personal injury SAVE THESE INSTRUCTIONS Work Area tools create sparks which may ignite the dust or fumes 1 Keep your work area clean and well lit Cluttered benches and dark areas invite acci 3 Keep bystanders children and visitors dents away while operating a power tool Distrac i tions can cause you to lose control 2 Do not operate power tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Power Electrical Safety 4 A battery operated tool with integral bat terie2. easier to control Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tool s operation If damaged have the tool ser viced before using Many accidents are caused by poorly maintained tools Use only accessories that are recom mended by the manufacturer for your model Accessories that may be suitable for one tool may create a risk of injury when used on another tool SERVICE 21 Tool service must be performed only by SPECIFIC SAFETY RULES qualified repair personnel Service or main tenance performed by unqualified personnel may result in a risk of injury 22 When servicing a tool use only identical replacement parts Follow instructions in the Maintenance section of this manual Use of unauthorized parts or failure to follow Maintenance instructions may create a risk of shock or injury USB024 2 DO NOT let comfort or familiarity with product gained from repeated use replace strict adherence to cordless impact driver safety rules If you use this tool unsafely or incorrectly you can suffer serious personal injury 1 Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring Contact with a live wire will also make exposed metal parts of the tool live and shock the operator Be aware that this tool is always in an operating condition because it does not have to be p
3. 7 Do not store the tool and battery cartridge in 5 Always cover the battery terminals with the bat locations where the temperature may reach or tery cover when the battery cartridge is not exceed 50 C 122 F used 8 Do not incinerate the battery cartridge even if it 6 Do not short the battery cartridge is severely damaged or is completely worn out The battery cartridge can explode in a fire 9 Be careful not to drop or strike battery SAVE THESE INSTRUCTIONS Tips for maintaining maximum battery life 1 Charge the battery cartridge before completely 4 Charge the Nickel Metal Hydride battery car discharged tridge when you do not use it for more than six Always stop tool operation and charge the bat months tery 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 tempera ture at 10 C 40 C 50 F 104 F Let a hot bat tery cartridge cool down before charging it FUNCTIONAL DESCRIPTION 002792 1 Button 2 Battery cartridge 002793 1 Switch trigger 001257 1 Reversing switch lever Installing or removing battery cartridge e Always switch off the tool before insertion or removal of the battery cartridge e To remove the battery cartridge withdraw it from the tool while pressing the buttons on both sides of the cartridge e To insert the battery cartri
4. Even though the torque coefficient and the class of bolt are the same the proper fastening torque will differ according to the diameter of bolt e Even though the diameters of bolts are the same the proper fastening torque will differ according to the torque coefficient the class of bolt and the bolt length MAINTENANCE 001145 A peony 1 Limit mark 1 001268 1 Brush holder cap 2 Screwdriver 4 The manner of holding the tool or the material of driving position to be fastened will affect the torque 5 Operating the tool at low speed will cause a reduction in the fastening torque A CAUTION e Always be sure that the tool is switched off and the battery cartridge is removed before attempting to perform inspection or maintenance Replacing carbon brushes Remove and check the carbon brushes regularly Replace when they wear down to the limit mark Keep the carbon brushes clean and free to slip in the holders Both carbon brushes should be replaced at the same time Use only iden tical carbon brushes Use a screwdriver to remove the brush holder caps Take out the worn carbon brushes insert the new ones and secure the brush holder caps After replacing brushes insert the battery cartridge into the tool and break in brushes by running tool with no load for about 1 minute Then check the tool while running and elec tric brake operation when releasing the switch trigger If elec tric brake is not working w
5. cy Every Makita tool is thoroughly inspected and tested before leaving the factory It is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase Should any trouble develop during this one year period return the COMPLETE tool freight prepaid to one of Makita s Factory or Authorized Service Centres If inspection shows the trouble is caused by defective workmanship or material Makita will repair or at our option replace without charge This Warranty does not apply e where normal maintenance is required e repairs have been made or attempted by others e the tool has been abused misused or improperly maintained e alterations have been made to the tool IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES FROM THE SALE OR USE OF THE PRODUCT THIS DISCLAIMER APPLIES BOTH DURING AND AFTER THE TERM OF THIS WARRANTY The Makita Warranty is the only and the entire written warranty given by Makita for the Makita tools No dealer or his agent or employee is authorized to extend or enlarge upon this warranty by any verbal or written statement or advertisement MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A SPECIFIC PURPOSE AFTER THE ONE YEAR TERM OF THIS WARRANTY This Warranty gives you specific rights The provisions contained in this warranty a
6. dge 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 not it may accidentally fall out of the tool causing injury to you or Someone around you e Do not use force when inserting the battery cartridge If the cartridge does not slide in easily it is not being inserted correctly Switch action A CAUTION e 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 Electric brake This tool is equipped with an electric brake If the tool consis tently fails to quickly stop after switch trigger release have tool serviced at a Makita service center Reversing switch action 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 ASSEMBLY 001266 9mm 3 8 se a0 001267 12mm 15 32 1 Bit 2 Sleeve CAUTION Always check the direction of rotation before operation Use the revers
7. ell ask your local Makita service center for repair To maintain product SAFETY and RELIABILITY repairs any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers always using Makita replacement parts O Ni Cd ACCESSORIES 10 ENO001 1 Recycling the Battery The only way to dispose of a Makita battery is to recycle it The law prohibits any other method of disposal To recycle the battery 1 Remove the battery from the tool 2 a Take the battery to your nearest Makita Factory Ser vice Center or b Take the battery to your nearest Makita Authorized Service Center or Distributor that has been desig nated as a Makita battery recycling location Call your nearest Makita Service Center or Distributor to determine the location that provides Makita battery recycling See your local Yellow Pages under Tools Electric A CAUTION e 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 e Screw bits e Various type of Makita genuine batteries and chargers e Shoulder strap e Plastic carrying case Memo 11 MAKITA LIMITED ONE YEAR WARRANTY Warranty Poli
8. f the screw bolt the material of the workpiece to be fastened etc The relation between fastening torque and fastening time is shown in the figures Hold the tool firmly and place the point of the driver bit in the screw head Apply forward pressure to the tool to the extent that the bit will not slip off the screw and turn the tool on to start operation NOTE Use the proper bit for the head of the screw bolt that you wish to use When fastening screw M8 or smaller carefully adjust pressure on the switch trigger so that the screw is not damaged Hold the tool pointed straight at the screw If you tighten the screw for a time longer than shown in the figures the screw or the point of the driver bit may be overstressed stripped damaged etc Before starting your job always perform a test operation to determine the proper fastening time for your screw 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 The fastening torque is affected by a wide variety of factors including the following After fastening always check the torque with a torque wrench 1 When the battery cartridge is discharged almost com pletely voltage will drop and the fastening torque will be reduced Driver bit or socket bit Failure to use the correct size driver bit or socket bit will cause a reduction in the fastening torque Bolt e
9. ing 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 CAUTION Always be sure that the tool is switched off and the battery cartridge is removed before carrying out any work on the tool Installing or removing driver bit or socket bit Use only the driver bit or socket bit shown in the figure Do not use any other driver bit or socket bit To install the bit pull the sleeve in the direction of the arrow and insert the bit into the sleeve as far as it will go Then release the sleeve to secure the bit To remove the bit pull the sleeve in the direction of the arrow and pull the bit out firmly NOTE If the bit is not inserted deep enough into the sleeve the sleeve will not return to its original position and the bit will not be secured In this case try re inserting the bit according to the instructions above OPERATION Standard bolt Fastening torque M10 3 8 M10 3 8 3 0 s Fatening time High tensile bolt oO O O Cc N LL M10 3 8 M8 5 16 M12 1 2 Ma 5 16 002795 Proper fastening torque 002796 M10 3 8 Proper fastening torque 1 0 Fatening time The proper fastening torque may differ depending upon the kind or size o
10. lugged into an electrical out let Always be sure you have a firm footing Be sure no one is below when using the tool in high locations Hold the tool firmly 5 Wear ear protectors SAVE THESE INSTRUCTIONS A WARNING MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury SYMBOLS USD302 1 The followings show the symbols used for tool i E EEEN volts w MIN 00 0008 revolutions or reciprocation per minute ma ONE EEEE direct current See number of blow eee no load speed IMPORTANT SAFETY INSTRUCTIONS FOR BATTERY CARTRIDGE ENCO04 1 1 Before using battery cartridge read all instruc 1 Do not touch the terminals with any con tions and cautionary markings on 1 battery ductive material charger 2 battery and 3 product using bat 2 Avoid storing battery cartridge in a con tainer with other metal objects such as 2 Do not disassemble battery cartridge nails coins etc 3 If operating time has become excessively shorter stop operating immediately It may tery 3 Do not expose battery cartridge to water or result in a risk of overheating possible burns eae and even an explosion A battery short can cause a large current flow 4 If electrolyte gets into your eyes rinse them out overheating possible burns and even a break with clear water and seek medical attention right down away It may result in loss of your eyesight
11. re not intended to limit modify take away from disclaim or exclude any warranties set forth in any provincial legislation To the extent required by law the provisions in any provincial or federal legislation with respect to warranties take precedence over the provisions in this warranty Makita Corporation 3 11 8 Sumiyoshi cho Anjo Aichi 446 8502 Japan 884315C239
12. s or a separate battery pack must be recharged only with the specified charger for the battery A charger that may be suit able for one type of battery may create a risk of fire when used with another battery Use battery operated tool only with specif ically designated battery pack Use of any other batteries may create a risk of fire Personal Safety 6 10 11 Stay alert watch what you are doing and use common sense when operating a power tool Do not use tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury Dress properly Do not wear loose cloth ing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts Avoid accidental starting Be sure switch is in the locked or off position before inserting battery pack Carrying tools with your finger on the switch or inserting the bat tery pack into a tool with the switch on invites accidents Remove adjusting keys or wrenches before turning the tool on A wrench or a key that is left attached to a rotating part of the tool may result in personal injury Do not overreach Keep proper footing and balance at all times Proper footing and balance enable better control of the tool in unexpected situations Use safety equipment Always wear eye protection Dus
13. t mask non skid safety shoes hard hat or hearing protection must be used for appropriate conditions Tool Use and Care 12 13 14 15 16 17 18 19 20 Use clamps or other practical way to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control Do not force tool Use the correct tool for your application The correct tool will do the job better and safer at the rate for which it is designed Do not use tool if switch does not turn it on or off A tool that cannot be controlled with the switch is dangerous and must be repaired Disconnect battery pack from tool or place the switch in the locked or off posi tion before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool accidentally Store idle tools out of reach of children and other untrained persons Tools are dangerous in the hands of untrained users 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 con nection from one terminal to another Shorting the battery terminals together may Cause sparks burns or a fire Maintain tools with care Keep cutting tools sharp and clean Properly maintained tools with sharp cutting edge are less likely to bind and are
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