English CONTENTS GENERAL POWER TOOL SAFETY WARNINGS ........36 CORDLESS ROTARY HAMMER SAFETY WARNINGS ......39 ADDITIONAL SAFETY WARNINGS ............. 40 CAUTION ON LITHIUM-ION BATTERY ............41 REGARDING LITHIUM-ION BATTERY TRANSPORTATION ...... 43 USB DEVICE CONNECTION PRECAUTIONS (UC18YSL3) ....... 43 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 g) 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. h) Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles.
English 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 fi re. d) Under abusive conditions, liquid may be ejected from the battery;...
English Apply pressure only in direct line with the bit and do not apply excessive pressure. Bits can bend causing breakage or loss of control, resulting in personal injury. ADDITIONAL SAFETY WARNINGS Do not allow foreign matter to enter the hole for connecting the rechargeable battery.
English 17. Rotation + hammering When the drill bit touches construction iron bar, the bit will stop immediately and the rotary hammer will react to revolve. Therefore fi rmly tighten the side handle, hold the body handle and side handles. 18.
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English WARNING In order to prevent any battery leakage, heat generation, smoke emission, explosion and ignition beforehand, please be sure to heed the following precautions. Make sure that swarf and dust do not collect on the battery. ○ During work make sure that swarf and dust do not fall on the battery. ○...
English WARNING Battery cover If an electrically conductive foreign object enters the Ventilation holes terminals of the lithium ion battery, a short-circuit may occur resulting in the risk of fi re. Please observe the following matters when storing the battery. ○...
English SYMBOL WARNING The following show symbols used for the machine. Be sure that you understand their meaning before use. To reduce the risk of injury, user must No-load speed read instruction manual. Direct current /min Oscillation per minute Rated voltage Warning NAME OF PARTS Power Tool...
English STANDARD ACCESSORIES In addition to the main unit (1 unit), the package contains the accessories listed in the below. Table 1 DH3640DA Side Handle Stopper Hammer Grease A Charger (UC18YSL3) Battery (BSL36B18X) Battery cover Case (Molded plastic)
English APPLICATIONS Rotation and hammering function Hammering only function ○ Drilling anchor holes ○ Crushing concrete, chipping, digging, ○ Drilling holes in concrete and squaring (Some applications need optional accessories) BATTERY REMOVAL/INSTALLATION Battery installation Align the battery with the groove in tool handle and slip it into place.
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English Charging When inserting a battery in the charger, the charge indicator lamp will blink in blue. When the battery becomes fully recharged, the charge indicator lamp will light up in green. (See Table 2) Charge indicator lamp indication The indications of the charge indicator lamp will be as shown in Table 2, according to the condition of the charger or the rechargeable battery.
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English Regarding the temperatures and charging time of the rechargeable battery The temperatures and charging time will become as shown in Table 3. Table 3 Charger UC18YSL3 Type of battery Li-ion Temperatures at which the -10oC–50oC battery can be recharged Charging 14.4 voltage...
English How to make the batteries perform longer. Recharge the batteries before they become completely exhausted. When you feel that the power of the tool becomes weaker, stop using the tool and recharge its battery. If you continue to use the tool and exhaust the electric current, the battery may be damaged and its life will become shorter.
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English Select a charging method ○ Charging a USB device from a electrical outlet. (Fig. 10-a) ○ Charging a USB device and battery from a electrical outlet. (Fig. 10-b) Fig. 10 Connect the USB cable. (Fig. 11) Pull back the rubber cover and fi rmly Rubber cover plug in a commercially available USB cable (appropriate to the device being...
English PRIOR TO OPERATION WARNING 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. Power switch Ensure that the power switch is in the OFF position.
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Grip Tool CAUTION For tools such as a drill bit and a bull point, use only HiKOKI genuine parts. Tool shank Clean, then smear the tool shank with the grease provided in the tube. To attach the tool (SDS max shank), insert it into the hole until it contacts the innermost end of the hole as illustrated in Fig.
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English Regulating the number of rotations and Rotation speed hammering (Fig. 20) selector switch This Rotary Hammer is equipped with a built- Display lamp in electronic control circuit that can adjust and regulate the number of rotations and times of hammering. This Rotary Hammer can be used by adjusting the rotation speed selector switch, depending upon the contents of operation, such as boring holes into fragile...
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English Sensor signal read error. Press the rotation speed selector Flash (Control monitoring function) switch to recover. Repair may be required if this error continuously occurs. NOTE Repair may be required if the display lamp continues to fl ash after taking all necessary steps to correct the problem.
English As the remaining battery indicator shows somewhat diff erently depending on ambient temperature and battery characteristics, read it as a reference. NOTE Do not give a strong shock to the display panel or break it. It may lead to a trouble. How to use the LED light Switch trigger While the switch is pulled, the LED light will...
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English How to chisel or demolish (Fig. 24) By applying the tool tip to the chiseling or demolishing position, operate the rotary hammer by utilizing its own weight. Forcible pressing or thrusting is unnecessary. Fig. 24 When drilling at “rotation + hammering” CAUTION If you switch the selector lever during motor rotation, the tool can start to rotate abruptly, resulting in unexpected accidents.
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English When fi xing working positions of tools such as cold chisel, etc., Selector lever (a) Turn the selector lever. Align ▲ of the selector lever and of the crank cover as illustrated in Fig. 27. Fig. 27 (b) Turn the Grip or the Tool as illustrated in Grip Tool Fig.
English Using the Continuous operation button (Fig. 31) When operating this machine in “ hammering” mode, you can set it to remain ON after the switch is released by pressing Continuous the Continuous operation button. operation button CAUTION Switch Never allow magnets (or similar magnetic LED (Blue) devices) to be adjacent tool body, Fig.
English Attaching chuck adapter to drill chuck Attach the chuck adaptor to the drill chuck. SDS max shank Drill chuck The SDS max shank of the chuck adaptor is equivalent to the drill bit. Therefore, follow the same procedure as [4. How to install tool] in Chuck Grip Page 53 for attaching and detaching.
English How to bore (Fig. 36) Install the battery. A spring is installed in the center pin. Push it lightly to the wall or the fl oor straight. Connect all over the surface of the core bit tip and start operating. When boring about 5 mm in depth the position of the hole will establish.
English ● Possible causes of sudden overburdening Tool bit biting into material Impact against nails, metal or other hard objects Tasks involving prying or any excess application of pressure, etc. Also, other causes include any combination of the aforementioned. ● When the reactive force control (RFC) is triggered When the RFC is triggered and the motor stops, turn off...
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English ○ Grease Replacement Period After purchase, replace grease after every 6 months of usage. Ask for grease replacement at the nearest authorized Service Center. Inspection of terminals (tool and battery) Check to make sure that swarf and dust have not collected on the terminals. On occasion check prior, during and after operation.
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All quality power tools will eventually require servicing or replacement of parts because of wear from normal use. To assure that only authorized replacement parts will be used, all service and repairs must be performed by HiKOKI AUTHORIZED SERVICE CENTER, ONLY.
English TROUBLESHOOTING Use the inspections in the table below if the tool does not operate normally. If this does not remedy the problem, consult your dealer or the HiKOKI Authorized Service Center. Power tool Symptom Possible cause Remedy Tool doesn’t run No remaining battery power Charge the battery.
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The charger’s vents are blocked, Avoid blocking the vents. causing its internal components to overheat. The cooling fan is not running. Contact a HiKOKI Authorized Service Center for repairs. The USB power lamp The battery’s capacity has become Replace the battery with one that has switched off...
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English Symptom Possible cause Remedy Charging of a USB The charger was plugged into an This is not a malfunction. device pauses electrical socket while the USB The charger pauses USB charging midway. device was being charged using for about 5 seconds when it is the battery as the power source.
English SELECTING ACCESSORIES Select accessories that are suited to a specifi c task. For details contact HiKOKI Authorized Service Center. Side Handle (Part Number: 380210) Part Number: 971786 Part Number: 981840 Mount Ass’y (Part Number: 380209) Stopper Hammer Grease A...
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English ○ Through-hole drilling ○ Anchor hole drilling (Rotation + Hammering) (Rotation + Hammering) Adaptor for SDS-plus shank bit (1) Drill bit (SDS-max shank) Adaptor for SDS- Drill Bit plus shank bit (SDS-plus shank) (SDS max shank) External dia. Overall length Code No.
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70 g (in a tube) Code No. 308471 Overall length Width Code No. 30 g (in a tube) Code No. 981840 400 mm 50 mm 313475 ○ Battery (BSL36..18..) NOTE Specifi cations are subject to change without any obligation on the part of the HiKOKI.
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