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Model Rotary Hammer
Modèle Marteau rotatif
DH 40FR
Modelo Martillo perforador
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.
INSTRUCTI
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CONTENTS English Page Page IMPORTANT SAFETY 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 ...............
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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 (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 unexpected situations. (6) Use safety equipment. Always wear eye protection. Dust mask, non-skid safety shoes, hard hat, or hearing protection must be used for appropriate conditions. 4. Tool
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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 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 abnormally. If the tool appears to be operating unusually, making strange noises, or otherwise appears defective, stop using it immediately and arrange for rep
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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 safey 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 Selector Lever Switch Trigger Drill
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English ASSEMBLY AND OPERATION APPLICATIONS Rotation and hammering function Drilling anchor holes Drilling holes in concrete Hammering function only Crushing concrete, chipping, digging, and squaring (by applying optional accessories) PRIOR TO OPERATION 1. Power source Ensure that the power source to be utilized conforms to the power source requirements specified on the product nameplate. 2. Power switch Ensure that the switch is in the OFF position. If the plug is connected to a receptacl
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English 6. How to install dust cover (Fig. 2) Always install the dust cover on the drill bit or the taper shank adaptor. Insert the dust cover until it lies flush in the groove. NOTE: For a thick drill bit, insert the dust cover Dust cover from drill rear. Insert up to the groove 7. How to install tool Fig. 2 CAUTION: For tools such as a drill bit and a bull point, use only Hitachi genuine parts. Front Cover (1) Clean, then smear the tool shank with the grease provided in the green tube. (2) Pul
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English HOW TO USE 1. How to drill holes (Fig. 5) (1) Pull the switch trigger after applying the drill bit tip to the drilling position. (2) It is unnecessary to forcibly press the Rotary Hammer main body. It is sufficient to slightly press the rotary hammer to an extent that clips are freely discharged. Fig. 5 CAUTION: Although this machine is equipped with a safety clutch, if the drill bit becomes bound in concrete or other material, the resultant stoppage of the drill bit could cause the mach
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English 4. When chipping and shredding at “hammering”: CAUTION: If the selector lever is switched during motor rotation, the tool can start to rotate abruptly, resulting in unexpected accidents. Make sure to switch the selector lever when the motor is at a complete stop. Selector Lever Lever Holder (1) Switching to “hammering” (a) Push the button, release lock and turn the selector lever counterclockwise. (b) Align of the selector lever and of the lever holder as illustrated in Fig. 8. (c) R
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English Taper Shank Adaptor 7. How to use the drill bit (taper shank) and the taper shank adaptor. Drill Bit (1) Install drill bit with taper shank in the taper (Taper shank) shank adaptor. (Fig. 11) (2) Turn the power on and drill a base hole. (3) After cleaning out dust with a syringe, attach the plug to the anchor tip and drive in the anchor with a manual hammer. Fig. 11 (4) To remove the drill bit with taper shank, insert a cotter into the slot of the taper shank adaptor, Taper Shank place s
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English 2. How to bore (Fig. 16) (1) Connect the plug to the receptacle. (2) A spring is installed in the center pin. 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 of the hole will establish. Bore after that removing the center pin and the guide plate from core bit. Fig. 16 (4) Application of excessive force will not only expedite the work, but will deteriorate the
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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 loose, retighten the
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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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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
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English 2. Anchor hole drilling (Rotation + Hammering) (3) Cotter (Code No. 944477) (1) Drill bit (2) Taper shank adaptor (Taper shank) (Spline shank) (2) Taper shank adaptor Taper shank adaptor formed Code No. 985377 A-taper A-taper or B-taper is provided as optional accessory, but drill bit for Code No. 985378 B-taper it is not provided 3. Large-dia. hole boring (Rotation + Hammering) (Guide plate) (1) Center pin (2) Core bit (3) Core bit shank (Spline shank) Code No. Code No. External dia. 98
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English 6. Asphalt cutting (Hammering) (1) Cutter Overall length Width Code No. 1-1/2" (38 mm) 985384 12" (300 mm) 2" (50 mm) 985385 7. Digging (1) Scoop Code No. 985386 Code No. 985386 8. Syringe (for chip removal) Code No. 320859 Code No. 318085 NOTE: Specifications are subject to change without any obligation on the part of the HITACHI. 20 01Eng_DH40FR_US 20 5/23/07, 14:49
