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MODEL ROTARY HAMMER
MODÈLE MARTEAU ROTATIF
DH 30PB • DH 30PC
MODELO MARTILLO GIRATORIO
SAFETY INSTRUCTIONS AND INSTRUCTION MANUAL
WARNING
IMPROPER OR UNSAFE use of this power tool can result in death or serious
bodily injury!
This manual contains important information about product safety. Please read
and understand this manual BEFORE operating the power tool. Please keep this
manual available for other users and owners before they use the power tool. This
manual should be stored in safe place.
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English CONTENTS English Page Page IMPORTANT INFORMATION ............. 3 ASSEMBLY AND OPERATION ............ 10 MEANINGS OF SIGNAL WORDS ...... 3 APPLICATIONS ................................. 10 PRIOR TO OPERATION ..................... 10 SAFETY ................................................... 4 HOW TO USE .................................... 12 GENERAL SAFETY RULES ................. 4 HOW TO USE THE CORE BIT (FORLIGHT LOAD) .... 16 SPECIFIC SAFETY RULES AND SYMBOLS ..... 6 DOUBLE INSULATION
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English IMPORTANT SAFETY INFORMATION Read and understand all of the safety precautions, warnings and operating instructions in the Instruction Manual before operating or maintaining this power tool. Most accidents that result from power tool operation and maintenance are caused by the failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing a potentially hazardous situation before it occurs, and by observing appropriate safety procedures. Basic safety
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English SAFETY GENERAL SAFETY RULES 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 1. Work Area (1) Keep your work area clean and well lit. Cluttered benches and 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 dus
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English (2) Dress properly. Do not wear loose clothing 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. (3) Avoid accidental starting. Be sure switch is off before plugging in. Carrying tools with your finger on the switch or plugging in tools that have the switch on invites accidents. (4) Remove adjusting keys or wrenches before turning the tool on. A wrench or a key that is left attach
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English SPECIFIC SAFETY RULES AND SYMBOLS 1. Hold tools by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its own cord. Contact with a “live” wire will make exposed metal parts of the tool “live” and shock the operator. 2. ALWAYS wear ear protectors when using the tool for extended periods. Prolonged exposure to high intensity noise can cause hearing loss. 3. NEVER touch the tool bit with bare hands after operation. 4. NEVER wear glov
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English 13.Blades and accessories must be securely mounted to the tool. Prevent potential injuries to youself or others. Blades, cutting implements and accessories which have been mounted to the tool should be secure and tight. 14. Keep motor air vent clean. The tool’s motor air vent must be kept clean so that air can freely flow at all times. Check for dust build-up frequently. 15. Operate power tools at the rated voltage. Operate the power tool at voltages specified on its nameplate. If using
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English W ........... watt ........... Class II Construction ---/min ... revolutions per minute .......... Alternating current DOUBLE INSULATION FOR SAFER OPERATION To ensure safer operation of this power tool, HITACHI has adopted a double insulation design. “Double insulation “ means that two physically separated insulation systems have been used to insulate the electrically conductive materials connected to the power supply from the outer frame handled by the operator. Therefore, either the sy
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English FUNCTIONAL DESCRIPTION NOTE: The information contained in this Instruction Manual is designed to assist you in the safe operation and maintenance of the power tool. NEVER operate, or attempt any maintenance on the tool unless you have first read and understood all safety instructions contained in this manual. Some illustrations in this Instruction Manual may show details or attachments that differ from those on your own power tool. NAME OF PARTS Stopper Nameplate Change Lever Trigger Han
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English ASSEMBLY AND OPERATION APPLICATIONS Rotation and striking function Drilling anchor holes Drilling holes in concrete Drilling holes in tile Rotation only function Drilling in steel or wood (with optional accessories). Tightening machine screws, wood screws (with optional accessories). Striking only function Light-duty chiselling of concrete, groove digging and edging. PRIOR TO OPERATION 1. Power source Ensure that the power source to be utilized conforms to the power source r
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English 5. Confirming condition of the environment: Confirm that the work site is placed under appropriate conditions conforming to prescribed precautions. Front cap Part of SDS-plus 6. Mounting the drill bit (Fig. 2) shank (1) To attach a drill bit (SDS-plus shank), fully pull the grip in the direction of the arrow as shown in Fig. 2 and insert the drill bit as far as it will go while Grip manually turning. Drill bit (2) By releasing the grip, the drill bit will be secured. Fig. 2 (3) To remove
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English (When using dust collector (B) attached to a drill bit that has more than 7-15/ 32" (190 mm) of overall length, dust collector (B) cannot touch the concrete surface but rotates. Therefore please use dust collector (B) by attaching to drill bits which have 6-17/32" (166 mm), 6-19/64" (160 mm) and 4-21/64" (110 mm) overall length. Dump particles after every two or three holes when drilling. Please replace the drill bit after removing dust collector (B). 8. Selecting the driver bit Scre
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English 1. Switch operation The rotation speed of the drill bit can be controlled steplessly by varying the amount that the trigger switch is pulled. Speed is low when the trigger switch is pulled slightly and increases Push Button as the switch is pulled more. 2. Rotation + Striking This rotary hammer can be set to rotation and striking mode by pressing Change the push button and turning the Lever change lever to mark. (Fig. 5) Fig. 5 (1) Mount the drill bit. (2) Pull the trigger switch after
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English CAUTION: Application of force more than necessary will not only reducing drilling efficiency at all, but will deteriorate the tip edge of the drill bit and reduce the service life of the rotary hammer in addition. Drill bit may snap off while disengaging the rotary hammer from the jammed hole. For disengaging, it is important to use a pushing motion or turn the drill bit counterclockwise. Do not attempt to drill anchor holes or holes in concrete with the main unit in the rotation o
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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. Change Lever 6. Striking only (DH30PC) This rotary hammer can be set to striking only mode by pressing the push button and turning the change lever to mark. (Fig. 10) (1) Mount the bull point or cold chisel.
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English Front Cap Grip 9. Using the side handle Drill Bit When you wish to change a position of the side handle, turn grip of the side handle counterclockwise to loosen it, Taper shank and then fasten it firmly. Adaptor CAUTION: When boring a hole, there can be a Fig. 13 case where the machine attempts to rotate by the reaction at the time of penetrating a concrete wall and/or when a tip of the blade comes in contact with the rebar. Cotter Taper Shank Adaptor Firmly fasten the side handle and ho
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English (4) Engage the guide plate with the core bit, and turn the guide plate to left or right so that it does not fall even if it faced downward. (Fig. 17) Guide Plate Center Pin Core Bit Tip Core Bit Fig. 16 Fig. 17 2. How to bore (Fig. 18) (1) Connect the plug to the power source. (2) A spring is installed in the center pin. Push it lightly to the wall or the floor perpendicularly. Connect all over the surface of the core bit tip and start operating. (3) When boring about 3/16" (5 mm) in dep
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English MAINTENANCE AND INSPECTION WARNING: Be sure to switch power OFF and disconnect the plug from the receptacle during maintenance and inspection. 1. Inspecting the drill bits Since use of a dull tool will cause motor malfunctioning and degraded efficiency, replace the drill bit with a new one or resharpening without delay when abrasion is noted. 2. Inspecting the screws Regularly inspect all screws and ensure that they are properly tightened. Should any of the screws be loosened, retighten
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English Replacing carbon brushes: (For parts name, refer to Fig. 1) Loosen the two set screws and remove the tail cover. Remove the brush caps and carbon brushes. After replacing the carbon brushes, tighten the brush caps securely and to install the tail cover with securely tightening two set screws. 5. How to replase grease This machine is full air-tight construction to protect against dust and to prevent lubricant leakage. Therefore, the machine can be used without lubrication for long perio
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