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Model Rotary Hammer
Modèle Marteau rotatif
DH 24PC3
Modelo Martillo perforador
INSTRUCTION MANUAL AND SAFETY INSTRUCTIONS
WARNING
Improper and 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 others before they use the power tool.
MODE D’EMPLOI ET INSTRUCTIONS DE SECURITE
AVERTISSEMENT
Une utilis
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CONTENTS English Page Page ASSEMBLY AND OPERATION ............ 10 IMPORTANT SAFETY INFORMATION..... 3 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 (FOR LIGHT LOAD) ... 16 SPECIFIC SAFETY RULES AND SYMBOLS ..... 6 MAINTENANCE AND INSPECTION
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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 (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 attached to a rotating part of the tool may result in personal injury. (5) Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enables better control of the tool in unexpect
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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 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 the power tool at a higher voltage than the rated voltage, it will result in abnormally fast motor revolution and may damage the unit and the motor may burn out. 16. NEVER use a tool which is defective or operating abnorm
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English 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 symbol “ ” or the words “Double insulation” appear on the power tool or on the nameplate. Although this system has no exte
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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 Nameplate Depth gauge Housing Drill bit St
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English ASSEMBLY AND OPERATION APPLICATIONS Rotation and hammering 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). Hammering 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
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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. 6. Mounting the drill bit (Fig. 2) Front cap Grip Part of SDS-plus shank CAUTION: To prevent accidents, make sure to turn the switch off and disconnect the plug from the receptacle. NOTE: Drill bit When using tools such as bull points, Fig. 2 drill bits, etc., make sure to use the genuine parts designated by our company. (1) Clean the shank p
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English CAUTION: The dust cup and dust collector (B) are for exclusive use of concrete drilling work. Do not use them for wood or metal drilling work. Insert dust collector (B) completely into the chuck part of the main unit. When turning the rotary hammer on while dust collector (B) is detached from a concrete surface, dust collector (B) will rotate together with the drill bit. Make sure to turn on the switch after pressing dust cup on the concrete surface. (When using dust collector (B)
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English Change lever 2. Rotation + Hammering This rotary hammer can be set to rotation and hammering mode by pressing the push button and turning the change lever to mark. (Fig. 7) (1) Mount the drill bit. Push (2) Pull the trigger switch after applying the button drill bit tip to the drilling position (Fig. 8) Fig. 7 (3) Pushing the rotary hammer forcibly is not necessary at all. Pushing slightly so that drill dust comes out gradually is just sufficient. Fig. 8 CAUTION: When the drill bit t
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English Drill bit may snap off while withdrawing the rotary hammer from the drilled hole. For withdrawing, it is important to use a pushing motion. Do not attempt to drill anchor holes or holes in concrete with the main unit in the rotation only function. Do not attempt to use the rotary hammer in the rotation and striking function with the drill chuck and chuck adaptor attached. This would seriously shorten the service life of every components of the machine. Bit 4. When driving machine s
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English Change lever 6. Hammering only This rotary hammer can be set to hammering only mode by pressing the push button and turning the change lever to mark. (Fig. 12) (1) Mount the bull point or cold chisel. Push (2) Press the push button and set the button change lever to middle of mark and Fig. 12 mark. (Fig. 13) The rotation is released, turn the grip and adjust the cold chisel to desired position. (Fig. 14) Change lever (3) Turn the change lever to mark. (Fig. 12) Then bull point or col
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English (4) To remove the drill bit (taper shank), insert the cotter into the slot of the taper shank adaptor and strike the head of the cotter with a hammer supporting Cotter Taper shank adaptor on the rests. (Fig. 17) Rests Fig. 17 HOW TO USE THE CORE BIT (FOR LIGHT LOAD) When boring penetrating large hole use the core bit (for light load). At that time use with the center pin and the core bit shank provided as optional accessories. 1. Mounting CAUTION: Be sure to turn power OFF and discon-
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English (4) Engage the guide plate with the core Guide plate bit, and turn the guide plate to left or right so that it does not fall even if it Center pin Core bit tip faces downward. (Fig. 20) Core bit 2. How to bore (Fig. 21) (1) Connect the plug to the power source. (2) A spring is installed in the center pin. Fig. 20 Push it lightly to the wall or the floor straight. Connect all over the surface of the core bit tip and start operating. (3) When boring about 3/16" (5 mm) in depth the position
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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 7. Service parts list A: Item No. B: Code No. C: No. Used D: Remarks CAUTION: Repair, modification and inspection of Hitachi Power Tools must be carried out by a Hitachi Authorized Service Center. This Parts List will be helpful if presented with the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance. In the operation and maintenance of power tools, the safety regulations and standards prescribed in each country must be observed. MODIFICATIONS: Hita
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English ACCESSORIES WARNING: ALWAYS use Only authorized HITACHI replacement parts and accessories. NEVER use replacement parts or accessories which are not intended for use with this tool. Contact HITACHI if you are not sure whether it is safe to use a particular replacement part or accessory with your tool. The use of any other attachment or accessory can be dangerous and could cause injury or mechanical damage. NOTE: Accessories are subject to change without any obligation on the part of the H
