Hitachi DH 25PB user manual

User manual for the device Hitachi DH 25PB

Device: Hitachi DH 25PB
Category: Power Hammer
Manufacturer: Hitachi
Size: 0.91 MB
Added : 6/30/2014
Number of pages: 72
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1

Model Rotary Hammer
Modèle Marteau rotatif
DH 25PB
Modelo Martillo giratorio
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.
INSTRUCTIO

Summary of the content on the page No. 2

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 ...............

Summary of the content on the page No. 3

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

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 (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

Summary of the content on the page No. 6

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

Summary of the content on the page No. 7

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

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 “Double insulation” appear on the power tool or on the nameplate. Although this system has no ext

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. 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 Front cap Grip Nameplate Trigger Handle Dr

Summary of the content on the page No. 10

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). 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

Summary of the content on the page No. 11

English 6. Mounting the drill bit (Fig. 2) Front cap (1) To attach a drill bit (SDS-plus shank), fully pull Part of SDS-plus the grip in the direction of the arrow as shown shank in Fig. 2 and insert the drill bit as far as it will go while manually turning. (2) By releasing the grip, the drill bit will be Grip secured. Drill bit (3) To remove the drill bit, fully pull the grip in the direction of the arrow and pull out the drill Fig. 2 bit. 7. Installation of dust cup or dust collector (B) (Opt

Summary of the content on the page No. 12

English HOW TO USE CAUTION:  To prevent accidents, make sure to turn the Change lever switch off and disconnect the plug from the receptacle when the drill pits and other various parts are installed or removed. The power switch should also be turned off during a work break and after work. Fig. 5 1. Switch operation The rotation speed of the drill bit can be controlled steplessly by varying the amount that the trigger switch is pulled. Speed is low when the trigger switch is pulled slightly and

Summary of the content on the page No. 13

English CAUTION:  Application of force more than necessary will not only reducing drilling efficiency at all, but will deteriorate the tip edge of the drill bit and reduce the service life of the rotary hammer in addition.  Drill bit may snap off while disengaging the rotary hammer from the jammed hole. For disengaging, it is important to use a pushing motion or turn the drill bit counterclockwise.  Do not attempt to drill anchor holes or holes in concrete with the main unit in the rotation o

Summary of the content on the page No. 14

English requiring much power to drive the screw into it, the thread of the wood screw may sometimes be damaged. Mounting hole 6. Using the stopper (Fig. 10) (1) Loosen the knob on the side handle, and insert the stopper into the mounting hole on the side Stopper handle. (2) Adjust the stopper position according to the depth of the hole and tighten the knob securely. Side handle 7. How to use the drill bit (taper shank) and Fig. 10 the taper shank adaptor. (1) Mount the taper shank adaptor to the

Summary of the content on the page No. 15

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. 13) Lubricate the thread of the core bit shank to Core bit facilitate disassembly. (2) Mount the core bit shank to the rotary Thread hammer.

Summary of the content on the page No. 16

English CAUTION:  When removing the center pin and the guide plate, turn OFF the switch and disconnect the plug form the receptacle. 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 the manual hammer holding the core bit, then the Core bit shank thread becomes loose and the core bit can be removed. Fig. 17 16 e01_dh25pb(02_24)e.p65 16 2/14/03, 5:02 PM

Summary of the content on the page No. 17

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

Summary of the content on the page No. 18

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. 19

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

Summary of the content on the page No. 20

English  Drill Bit (Taper shank) and taper shank adaptor (1) Drill Bit (Taper (2) Taper Shank Adaptor Shank) (SDS-plus shank) Cotter (Code No. 944477) External dia. Code No. Taper mode Code No. Applicable drill bit 7/16" 7/16" (11 mm) 944460 (11 mm) 31/64" (12.3 mm) Drill bit 31/64" 1/2" (12.7 mm) 944461 Morse taper 303617 (Taper (12.3 mm) 9/16" (14.3 mm) (No. 1) shank) 1/2" 73/128" (14.5 mm) 993038 (12.7 mm) 11/16" (17.5 mm) 9/16" 944462 Drill bit (14.3 mm) Morse taper 303618 27/32" (21.5 mm)


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