Summary of the content on the page No. 1
MODEL ROTARY HAMMER
MODÈLE MARTEAU ROTATIF
DH 40FB
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
Summary of the content on the page No. 2
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 HOW TO USE THE CORE BIT ............. 14 SPECIFIC SAFETY RULES AND SYMBOLS .........................
Summary of the content on the page No. 3
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
Summary of the content on the page No. 4
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
Summary of the content on the page No. 5
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
Summary of the content on the page No. 6
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. Nev
Summary of the content on the page No. 7
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
Summary of the content on the page No. 8
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
Summary of the content on the page No. 9
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 Stopper Side Handle Switch Trigger Handle Tool Holder Selector Lever Housing Nameplate Tail Cover Dial Set Screw Brush Cap (Under the Tail Cover) (Inside the Tail Cover) Fig. 1 SPECIFICATI
Summary of the content on the page No. 10
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
Summary of the content on the page No. 11
English 7. How to install tool CAUTION: For tools such as a drill bit and a bull point, use only Hitachi genuine parts. (1) Clean, then smear the tool shank with the grease provided in the green tube. Front Cover (2) Pull the tool holder in the direction of arrow 1 and rotate it in the direction of arrow 2 (counterclockwise). Fully insert the tool shank into the hexagonal hole 2 of the front cover. (Fig. 3) (3) Return the tool holder to fix the tool. 1 Tool Shank Tool Holder NOTE: Remove in the
Summary of the content on the page No. 12
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. 6) By applying the tool tip to the chiseling Fig. 6 or crushing position, operate the rotary hammer by utilizing its empty weight. Forcible pressing or thrusting
Summary of the content on the page No. 13
English 5. Warming up (Fig. 10) 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 Fig. 10 performed, hold the side handle and the main body securely with both hands to Taper Shank Adaptor maintain a secure grip and be careful not to twist
Summary of the content on the page No. 14
English HOW TO USE THE CORE BIT Core Bit When boring penetrating large hole use the core bit. At that time use with the center pin and the core bit shank provided as optional accessories. Core Bit Shank 1. Mounting CAUTION: Be sure to turn power OFF and disconnect the plug from the receptacle. Fig. 13 (1) Mount the core bit to the core bit shank. (Fig. 13) Lubricate the thread of the core bit shank to facilitate disassembly. (2) Mount the core bit shank to the rotary hammer. (Fig. 14) (3) Insert
Summary of the content on the page No. 15
English 3. Dismounting (Fig. 17) Remove the core bit shank from the rotary hammer and strike the head of the core bit shank strongly two or three times with a manual hammer holding the core bit, then the thread becomes Core Bit Shank loose and the core bit can be removed. Fig. 17 15
Summary of the content on the page No. 16
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
Summary of the content on the page No. 17
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
Summary of the content on the page No. 18
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) ....................................
Summary of the content on the page No. 19
English (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) (2) Core bit (3) Core bit shank (1) Center pin (Spline shank) External dia. Code No. Code No. 985388 955165 2" (50 mm) 955169 4-1/8" (105 mm) 4. Crushing (Hammering) (1) Bull point Overall length Code No. 12" (300 mm) 985383 5. Groove digg
Summary of the content on the page No. 20
Français INFORMATIONS IMPORTANTES Lire et comprendre toutes les instructions de fonctionnement, les précautions de sécurité et les avertissements dans ce mode d’emploi avant d’utiliser ou d’entretenir cet outil motorisé. La plupart des accidents causés lors de l’utilisation ou de l’entretien de l’outil motorisé proviennent d’un non respect des règles ou précautions de base de sécurité. Un accident peut la plupart du temps être évité si l’on reconnaît une situation de danger potentiel avant qu’el
