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MODEL ROTARY HAMMER
MODÈLE MARTEAU ROTATIF
DH 40MB
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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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 ....................................... 11 GENERAL SAFETY RULES .................... 4 USING DRILL CHUCK, CHUCK SPECIFIC SAFETY RULES AND ADAPTOR .........................................
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English IMPORTANT INFORMATION Read and understand all of the operating instructions, safety precautions and warnings 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 precau
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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 8. Use right tool. Don’t force small tool or attachment to do the job of a heavy-duty tool. Don’t use tool for purpose not intended — for example — don’t use circular saw for cutting tree limbs or logs. 9. Never use a power tool for applications other than those specified. Never use a power tool for applications other than those specified in the Instruction Manual. 10. Handle tool correctly. Operate the tool according to the instructions provided herein. Do not drop or throw the tool. Ne
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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. Wear ear plugs 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 gloves made of s
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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 and “Double insulation” appear on the power tool or on the nameplate. Although this system has no
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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 Side Handle Switch Trigger Stopper Grip Front Cap Handle Selector Lever Housing Nameplate Tail Cover Dial Set Screw Brush Cap (Under the Tail Cover) (Inside the Tail Cover) Fig. 1 SPECIFIC
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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 (2) 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. 2. If you continue to turn the tool with slight pressure, you can feel a spot where there is a hitch. At that spot, pull the grip to the direction of an arrow mark and insert the tool all the way until it hits the innermost end. Releasing the grip reverts the grip and secures the tool in place. (3) To remove the tool, fully pull the grip in Front Cap the
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English 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 machine body to turn in reaction. Ensure that the main handle and side handle are gripped firmly during operation. 2. How to chisel or crush (Fig. 5) By applying the tool tip to the chiseling or crushing position, operate the rotary hammer by utilizing its empty weight. Forcible pressing or thrusting is unne
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English Undercover (1) Switching to “hammering” (a) Pull the selector lever, release lock and turn it counterclockwise. (b) Align of the selector lever with on the side of the undercover as Selector illustrated in Fig. 7. Lever (c) Push in the selector lever to lock it. NOTE: Fig. 7 Turn the selector lever (do not pull it up) to check if it is completely locked and make sure that it does not turn. (2) When fixing working positions of tools such as cold chisel, etc., (a) Pull the s
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English 6. Warming up (Fig. 11) The grease lubrication system in this unit may require warming up in cold regions. Position the end of the bit so makes contact with the concrete, turn on the switch and perform the warming up operation. Make sure that a hitting sound is produced and then use the unit. CAUTION: When the warming up operation is performed, hold the side handle and the Fig. 11 main body securely with both hands to maintain a secure grip and be careful Taper Shank Adaptor not to twist
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English (1) Switching to “rotation + hammering” For switching to “rotation + hammering”, follow the same procedures mentioned in [3. When drilling at “rotation + hammering”] in Page 12. (2) Attaching chuck adaptor to drill chuck (Fig. 14) Drill SDS max (a) Attach the chuck adaptor to the drill Chuck Grip Shank chuck. Chuck (b) The SDS max shank of the chuck Adaptor adaptor is equivalent to the drill bit. Fig. 14 Therefore, follow the same procedure as [6. How to install tool] in Page 10 for atta
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English (2) Mount the core bit shank to the rotary hammer. (Fig. 16) (3) Insert the center pin into the guide plate until it stops. (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 faces downward. (Fig. 17) 2. How to bore (Fig. 18) 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
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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 mounting screws Regularly inspect all mounting screws and ensure that they are properly tightened. Should any of the screws be lo
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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: Accessories for this power tool are mentioned in this Instruction Manual. 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 HITACHI. STANDARD ACCESSORIES (1) Case (Molded plastic) (Code No. 313097) ............................................................. 1 (2) Side Handle (Code No. 313078) ....................................
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English 2. Anchor hole drilling (Rotation + Hammering) Adaptor for SDS-plus shank bit (1) Drill Bit (2) Adaptor for SDS-plus shank bit (SDS-plus shank) (SDS max shank) Code No. 313465 3. Large-dia. hole boring (Rotation + Hammering) (Guide plate) (2) Core bit (1) Center pin (3) Core bit shank (SDS max shank) External dia. Code No. Code No. Code No. 985388 955165 2" (50 mm) 4-1/8" (105 mm) 313467 955169 4. Drilling holes....For drilling metals and wooden materials (1) 13mm drill chuck (2) Chuck
