English CONTENTS GENERAL POWER TOOL SAFETY WARNINGS ........24 CORDLESS ROTARY HAMMER SAFETY WARNINGS ......27 ADDITIONAL SAFETY WARNINGS ............. 27 CAUTION ON LITHIUM-ION BATTERY ............29 REGARDING LITHIUM-ION BATTERY TRANSPORTATION ...... 30 SYMBOL ....................... 31 SPECIFICATIONS ..................31 STANDARD ACCESSORIES ............... 32 APPLICATIONS ....................
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English Electrical safety a) 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. Unmodifi ed plugs and matching outlets will reduce risk of electric shock. b) Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators.
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English Power tool use and care a) 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. b) Do not use the power tool if the switch does not turn it on and off...
English Service a) Have your power tool serviced by a qualifi ed repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained. CAUTION Keep children and infi rm persons away. When not in use, tools should be stored out of reach of children and infi rm persons. CORDLESS ROTARY HAMMER SAFETY WARNINGS Wear ear protectors.
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English 12. Wear a dust mask Do not inhale the harmful dusts generated in drilling or chiseling operation. The dust can endanger the health of yourself and bystanders. 13. Make sure that the battery is installed fi rmly. If it is at all loose it could come off and cause an accident.
English CAUTION ON LITHIUM-ION BATTERY To extend the lifetime, the lithium-ion battery equips with the protection function to stop the output. In the cases of 1 to 3 described below, when using this product, even if you are pulling the switch, the motor may stop. This is not the trouble but the result of protection function.
English CAUTION If liquid leaking from the battery gets into your eyes, do not rub your eyes and wash them well with fresh clean water such as tap water and contact a doctor immediately. If left untreated, the liquid may cause eye-problems. If liquid leaks onto your skin or clothes, wash well with clean water such as tap water immediately.
English SYMBOL WARNING The following show symbols used for the machine. Be sure that you understand their meaning before use. DH18DBL / DH18DBQL: Cordless Rotary Hammer Read all safety warnings and all instructions. SPECIFICATIONS POWER TOOL Model DH18DBL DH18DBQL Voltage 18 V No-load speed 0 –...
English STANDARD ACCESSORIES In addition to the main unit (1 unit), the package contains the accessories listed in the below. Table 1 DH18DBL DH18DBQL (2LSRK) (NNK) (2LSRK) (NNK) Depth gauge Side handle Drill chuck holder ― ― Charger ― ― (UC18YFSL) Battery (BSL1830) ―...
English APPLICATIONS Rotation and hammering function Hammering only function ○ Drilling anchor holes ○ Light-duty chiselling of concrete, groove ○ Drilling holes in concrete digging and edging. ○ Drilling holes in tile Rotation only function ○ Drilling in steel or wood (with optional accessories) ○...
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English ● Pilot lamp indication The indications of the pilot lamp will be as shown in Table 2, according to the condition of the charger or the rechargeable battery. Table 2 Indications of the pilot lamp Lights for 0.5 seconds. Does not Before light for 0.5 seconds.
Remove the cord or plug from the power and then connect it again after 30 seconds or so. If this does not cause the pilot lamp to blink in red (every second), please take the charger to the Hitachi Authorized Service Center. PRIOR TO OPERATION Confi...
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English Part of Mounting the drill bit (Fig. 7, 8) Grip Front SDS-plus CAUTION shank To prevent accidents, make sure to turn the switch off . Drill bit NOTE When using tools such as drill bits, etc., make Fig. 7 sure to use the genuine parts designated by our company.
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English ○ Dump particles after every two or three holes when drilling. ○ Please replace the drill bit after removing dust collector (B). Selecting the driver bit Screw heads or bits will be damaged unless a bit appropriate for the screw diameter is employed to Push button drive in the screws.
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English NOTE ○ Do not give a strong shock to the switch panel or break it. It may lead to a trouble. ○ To save the battery power consumption, the remaining battery indicator lamp lights while pressing the remaining battery indicator switch. Switch trigger How to use the LED light While the switch is pulled, the LED light will...
English HOW TO USE CAUTION To prevent accidents, make sure to turn the switch off and disconnect the battery when the drill bits and other various parts are installed or removed. The power switch should also be turned off during a work break and after work. CAUTION on lithium-ion battery To extend the lifetime, the lithium-ion battery equips with the protection function to stop the output.
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English ● DH18DBL Grip Drill chuck Installing drill chuck and chuck adapter. (Fig. 19) Front cap Attach the drill chuck to the chuck adaptor. The part of the SDS-plus shank is the same as the drill bit. Therefore, refer to the item of “Mounting the drill Chuck adapter bit”...
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English ● DH18DBQL with drill chuck holder installed In the same manner as the drill bit is installed, install the driver bit to the drill chuck holder. Apply the driver bit to the groove of screw head and turn on the switch to tighten the screw. CAUTION ○...
English Using depth gauge (Fig. 25) Loosen the knob on the side handle, and insert the depth gauge into the mounting hole on the side handle. Adjust the depth gauge position according to the depth of the hole and tighten the knob Depth gauge Mounting hole securely.
English REACTIVE FORCE CONTROL This product is equipped with a Reactive Force Control (RFC) feature that reduces jerking of the tool body. If the tool bit is suddenly overburdened, any jerking of the tool body is reduced by activation of the slip clutch or by stopping of the motor by the sensor built into the tool body.
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English Inspecting the mounting screws Regularly inspect all mounting screws and ensure that they are properly tightened. Should any of the screws be loose, retighten them immediately. Failure to do so could result in serious hazard. Maintenance of the motor The motor unit winding is the very “heart”...
English Important notice on the batteries for the Hitachi cordless power tools Please always use one of our designated genuine batteries. We cannot guarantee the safety and performance of our cordless power tool when used with batteries other than these designated by us, or when the battery is disassembled and modifi...
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English Tool and Adapter For details contact Hitachi Authorized Service Center. NOTE Specifi cations are subject to change without any obligation on the part of the HITACHI. Tool Adapters Use on jobs facing upwards Drilling holes in ● concrete or tile...
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