English CONTENTS GENERAL POWER TOOL SAFETY WARNINGS ........29 CORDLESS ROTARY HAMMER SAFETY WARNINGS ......32 ADDITIONAL SAFETY WARNINGS ............. 32 PRECAUTIONS FOR BATTERY AND CHARGER ........34 CAUTION ON LITHIUM-ION BATTERY ............34 REGARDING LITHIUM-ION BATTERY TRANSPORTATION ...... 36 SYMBOL .......................
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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 Mounting the drill bit ○ To prevent accidents, make sure to turn the switch off and pull out the battery. ○ When using tools such as bull points, drill bits, etc., make sure to use the genuine parts designated by our company. ○...
English PRECAUTIONS FOR BATTERY AND CHARGER Always charge the battery at an ambient temperature of 0–40°C. A temperature of less than 0°C will result in over charging which is dangerous. The battery cannot be charged at a temperature greater than 40°C. The most suitable temperature for charging is that of 20–25°C.
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English ○ Make sure that any swarf and dust falling on the power tool during work do not collect on the battery. ○ Do not store an unused battery in a location exposed to swarf and dust. ○ Before storing a battery, remove any swarf and dust that may adhere to it and do not store it together with metal parts (screws, nails, etc.).
English REGARDING LITHIUM-ION BATTERY TRANSPORTATION When transporting a lithium-ion battery, please observe the following precautions. WARNING Notify the transporting company that a package contains a lithium-ion battery, inform the company of its power output and follow the instructions of the transportation company when arranging transport.
English NAME OF PARTS 1. POWER TOOL Change lever Switch trigger Name plate Drill bit Pushing button Depth gauge Display panel Indicator lamp Handle Front cap Grip Changeover Auto stop Housing Display switch lamp lamp LED light Battery Side handle Motor Fig.
English SPECIFICATIONS POWER TOOL Model DH12DD Voltage 10.8 V–12 V Peak No-load speed 0–1080 /min Full-load impact rate 0–5500 /min Concrete 3.4–18 mm Capacity Steel 13 mm Wood 18 mm Type Li-ion battery BSL12 series Battery* Voltage 10.8 V–12 V Peak Weight 2.0–2.1 kg * Depending on attached battery.
English APPLICATIONS Rotation and hammering function Rotation only function ○ Drilling anchor holes ○ Drilling in steel or wood ○ Drilling holes in concrete (with optional accessories) ○ Drilling holes in tile ○ Tightening machine screws, wood screws (with optional accessories) BATTERY REMOVAL/INSTALLATION Battery removal Hold the handle tightly and push the battery latches to remove the battery (Fig.
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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 battery. Table 2 Indications of the pilot lamp Lights for 0.5 seconds. Does Before not light for 0.5 seconds.
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English NOTE The recharging time may vary according to the ambient temperature. In addition, the charge time becomes signifi cantly long in a low temperature environment, but this is not abnormal. Disconnect the charger’s power cord from the receptacle. Hold the charger fi rmly and pull out the battery. NOTE Be sure to pull out the battery from the charger after use, and then keep it.
Installing the drill bit (SDS-plus shank) Fig. 8 CAUTION Grip Drill bit For tools such as a drill bit and a bull point, use only HiKOKI genuine parts. Clean, then smear the drill bit shank with grease or Grease Front cap machine oil. Fig. 9...
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English Confi rm the direction of bit rotation (Fig. 11) The bit rotates clockwise (viewed from the rear side) by pushing the R-side of the push button. Push The L-side of the push button is pushed to turn the bit button counterclockwise.
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English Conduct drilling when the auto stop lamp is fl ashing. The time between switching ON and switching OFF is stored by the tool. (After it is stored, the auto stop lamp will light up.) (Fig. 14) Fig. 14 Continuous drilling is possible as the memory storage time will be recorded by the tool until auto stop mode is cancelled.
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English Table 6 Display lamp Cause Solution fl ashing Operation has ceased because the Allow the unit to cool for 15 to 30 internal temperature has exceeded minutes. the temperature limit. When the temperature goes down (High temperature protection and the display lamp and the function) indicator lamp blinking stops, pull the switch trigger to recover operation.
English HOW TO USE WARNING To prevent accidents, make sure to turn the switch off and remove 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 To extend the lifetime, the lithium-ion battery equips with the protection function to stop the output.
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English Installing drill chuck and chuck adapter. (Fig. 21) Front cap Drill chuck 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 Chuck adapter of “Installing the drill bit”...
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English CAUTION Exercise care in preparing a pilot hole suitable for the wood screw taking the hardness of the wood into consideration. Should the hole be excessively small or shallow, requiring much power to drive the screw into it, the thread of the wood screw may sometimes be damaged.
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English Installation of dust cup or dust collector (B) (Optional accessories) When using a rotary hammer for upward drilling operations attach a dust cup or a dust collector (B) to collect dust or particles for easy operation. Dust cup ○ Installing the dust cup Use the dust cup by attaching to the drill bit as shown in Fig.
English ○ Install securely the hook. Unless the hook is securely installed, it may cause an injury while using. Install securely the hook in the groove of power tool and tighten the screws to fi x the hook fi rmly. (Fig. 28 on page 49) OPERATIONAL CAUTIONS Resting the unit after continuous work The power tool is equipped with a temperature protection circuit to protect the motor.
English MAINTENANCE AND INSPECTION WARNING Be sure to turned off the switch and remove the battery before maintenance and inspection. Inspecting the tool Since use of as dull tool will degrade effi ciency and cause possible motor malfunction, sharpen or replace the tool as soon as abrasion is noted. Inspecting the mounting screws Regularly inspect all mounting screws and ensure that they are properly tightened.
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English Cleaning of the battery installation compartment After drilling concrete, if concrete dust has Air gun accumulated on the terminals or the area where the battery slides within the battery installation compartment, clean off the accumulated concrete dust with a dry cloth before using the tool.
English Important notice on the batteries for the HiKOKI 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...
English SELECTING ACCESSORIES Select accessories that are suited to a specifi c task. For details contact HiKOKI Authorized Service Center. Part Number: 324548 Part Number: 303709 Side handle Depth gauge BSL1215 BSL1225M BSL1240M UC12SL 10.8 V–12 V Peak (10.8 V–12 V Peak)
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English Tool and Adapter For details contact HiKOKI Authorized Service Center. NOTE Specifi cations are subject to change without any obligation on the part of the HiKOKI. Tool Adapter ⦁ Drilling holes in Use on jobs facing upwards concrete or tile...
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English ⦁ Drilling holes in concrete or tile SDS-plus Drill bit Outer dia. Overall length Eff ective length SDS-plus Drill bit 16.5 mm 160 mm 85 mm Outer dia. Overall length Eff ective length 160 mm 85 mm 4.0 mm 110 mm 50 mm 17.0 mm...
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