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MODEL ROTARY HAMMER
MODÈLE MARTEAU ROTATIF
DH 24PC
MODELO MARTILLO GIRATORIO
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 utilisati
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English CONTENTS English Page Page IMPORTANT INFORMATION ............. 3 ASSEMBLY AND OPERATION ............ 10 APPLICATIONS ................................. 10 MEANINGS OF SIGNAL WORDS ...... 3 PRIOR TO OPERATION ..................... 10 SAFETY ................................................... 4 HOW TO USE .................................... 12 HOW TO USE THE CORE BIT (FOR LIGHT LOAD) ... 16 GENERAL SAFETY RULES ................. 4 SPECIFIC SAFETY RULES AND SYMBOLS ..... 7 MAINTENANCE AND I
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English IMPORTANT INFORMATION Read and understand all of the operating instructions, safety precautions and warn- ings 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 prec
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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 elec- tric 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 pres- ence of flammable liquids, gases, or dust. Power tools create sparks which may ignite the
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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 attac
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English (2) When servicing a tool, use only identical replacement parts. Follow instruc- tions in the Maintenance section of this manual. Use of unauthorized parts or failure to follow Maintenance Instruction may create a risk of electric shock or injury. 6. Never touch moving parts. Never place your hands, fingers or other body parts near the tool’s moving parts. 7. Never operate without all guards in place. Never operate this tool without all guards or safety features in place and in proper wo
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English 17. Never leave tool running unattended. Turn power off. Don’t leave tool until it comes to a complete stop. 18. Carefully handle power tools. Should a power tool be dropped or struck against hard materials inadvertently, it may be deformed, cracked, or damaged. 19. Do not wipe plastic parts with solvent. Solvents such as gasolie, thinner, benzine, carbon tetrachloride, and alcohol may damage and crack plastic parts. Do not wipe them with such solvents. Wipe plastic parts with a soft clo
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English DOUBLE INSULATION FOR SAFER OPERATION To ensure safer operation of this power tool, HITACHI has adopted a double insula- tion 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 and “Double insulation” appear on the power tool or on the nameplate. Although this system has n
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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. Some illustrations in this Instruction Manual may show details or attachments that differ from those on your own power tool. NAME OF PARTS Housing Nameplate Depth Gauge Drill Bit Lock button Front Cap Grip Change Handle Lever Lever Push button Side Handle Switch Fig. 1 SPECIFICATIONS Motor Single-Phase, Series Commutator Moto
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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 6. Mounting the drill bit (Fig. 2) Front cap (1) To attach a drill bit (SDS-plus shank), Part of SDS-plus fully pull the grip in the direction of the shank arrow as shown in Fig. 2 and insert the drill bit as far as it will go while manu- Grip ally turning. Drill bit (2) By releasing the grip, the drill bit will be secured. Fig. 2 (3) To remove the drill bit, fully pull the grip in the direction of the arrow and pull out the drill bit. Dust Cup 7. Installation of dust cup or dust col- le
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L R English 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 Screw heads or bits will be damaged should an inappropriate bit for the screw diameter be employed to drive in the screws. 9. Confirm the direction of bit rotation (Fig. 5) The bit rotates clockwise (viewed from R R the rear side) by pushin
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English CAUTION: When the drill bit touches an iron reinforcing rod, the bit will stop immediately and the rotary hammer will react to revolve. Therefore please grip the side handle and handle tightly as shown in Fig. 7. Push button Change Lever 3. Rotation only This rotary hammer can be set to rota- tion only mode by pressing the push button and turning the change lever to mark. (Fig. 8) To drill a wood or metal material using the separately sold drill chuck and chuck adaptor, proceed as fol
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English CAUTION: Exercise care not to excessively prolong driving time, otherwise, the screws may be damaged by excessive force. Apply the rotary hammer perpendicularly to the screw head when driving a screw; otherwise, the screw head or bit will be damaged, or driving force will not be fully transferred to the screw. Do not attempt to use the rotary hammer in the rotation and striking function with chuck adaptor (D) and bit attached. 5. When driving wood screws (Fig. 10) (1) Selecting a s
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English 7. Using depth gauge (Fig. 14) (1) Loosen the knob on the side handle, and insert the depth gauge into the mounting hole on the side handle. (2) Adjust the depth gauge position ac- cording to the depth of the hole and tighten the knob bolt securely. Grip 8. How to use the drill bit (taper shank) Fig. 13 and the taper shank adaptor. Mounting Depth (1) Mount the taper shank adaptor to the Hole Gauge rotary hammer. (Fig. 15) (2) Mount the drill bit (taper shank) to the taper shank adaptor.
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English 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 disconnect the plug from the receptacle. (1) Mount the core bit to the core bit shank. (Fig. 17) Core Bit Lubricate the thread of the core bit Thread shank to facilitate disassembly. Core Bit Shank (2) Mount the core bit shank to the
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English (4) Application of excessive force will not only expedite the work, but will deterio- rate the tip edge of the drill bit, resulting in reduced service life of the rotary hammer. CAUTION: When removing the center pin and the guide plate, turn OFF the switch and disconnect the plug form the receptacle. 3. Dismounting. (Fig. 21) Remove the core bit shank from the ro- tary hammer and strike the head of the core bit shank strongly two or three times with the manual hammer hold- Core Bit sha
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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 abra- sion is noted. 2. Inspecting the mounting screws Regularly inspect all mounting screws and ensure that they are properly tight- ened. Should any of the screws b
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