Hitachi DH 26PC, DH 28PFY, DH 26PF Instruction Manual

Model Modèle Modelo

DH 26PC ∙ DH 26PF DH 28PFY

DH26PC

DH26PF DH28PFY

Rotary Hammer Marteau rotatif Martillo perforador

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 utilisation incorrecte et dangereuse de cet outil motorisé peut entraîner la mort ou de sérieuses blessures corporelles! Ce mode d’emploi contient d’importantes informations à propos de la sécurité de ce produit. Prière de lire et de comprendre ce mode d’emploi avant d’utiliser l’outil motorisé. Garder ce mode d’emploi à la disponibilité des autres utilisateurs avant qu’ils utilisent l’outil motorisé.

MANUAL DE INSTRUCCIONES E INSTRUCCIONES DE SEGURIDAD

ADVERTENCIA

¡La utilización inapropiada e insegura de esta herramienta eléctrica puede resultar en lesiones serias o en la muerte! Este manual contiene información importante sobre la seguridad del producto. Lea y comprenda este manual antes de utilizar la herramienta eléctrica. Guarde este manual para que puedan leerlo otras personas antes de que utilicen la herramienta eléctrica.

DOUBLE INSULATION DOUBLE ISOLATION AISLAMIENTO DOBLE

English

CONTENTS

IMPORTANT SAFETY INFORMATION ......................3

MEANINGS OF SIGNAL WORDS ..............................3

SAFETY .........................................................................3

GENERAL POWER TOOL SAFETY WARNINGS .......3

SPECIFIC SAFETY RULES AND SYMBOLS ............. 4

DOUBLE INSULATION FOR SAFER OPERATION ....5

FUNCTIONAL DESCRIPTION ......................................7

NAME OF PARTS .......................................................7

SPECIFICATIONS ...................................................... 8

Page Page

ASSEMBLY AND OPERATION .....................................8

APPLICATIONS .......................................................... 8

PRIOR TO OPERATION ............................................. 8

HOW TO USE ............................................................. 9

HOW TO USE THE CORE BIT

(FOR LIGHT LOAD) ............................................. 12

MAINTENANCE AND INSPECTION ..........................13

ACCESSORIES ...........................................................14

STANDARD ACCESSORIES....................................14

OPTIONAL ACCESSORIES .....................................14

PARTS LIST .................................................................49

Français

TABLE DES MATIÈRES

Page Page

INFORMATIONS IMPORTANTES DE SÉCURITÉ ...17 SIGNIFICATION DES MOTS D’AVERTISSEMENT ...17

SECURITE ..................................................................17

AVERTISSEMENTS DE SÉCURITÉ GÉNÉRAUX

CONCERNANT LES OUTILS ÉLECTRIQUES ...17

REGLES DE SECURITE SPECIFIQUES ET

SYMBOLES ........................................................19

DOUBLE ISOLATION POUR UN

FONCTIONNEMENT PLUS SUR ........................20

DESCRIPTION FONCTIONNELLE ............................21

NOM DES PARTIES ................................................21

SPECIFICATIONS ...................................................22

Español

Página Página

INFORMACIÓN IMPORTANTE SOBRE

SEGURIDAD ....................................................... 33

SIGNIFICADO DE LAS PALABRAS DE

SEÑALIZACIÓN ..................................................33

SEGURIDAD ...............................................................33

ADVERTENCIAS DE SEGURIDAD GENERAL DE

LA HERRAMIENTA ELÉCTRICA .........................33

NORMAS Y SÍMBOLOS ESPECÍFICOS DE

SEGURIDAD ....................................................... 35

AISLAMIENTO DOBLE PARA OFRECER UNA

OPERACIÓN MÁS SEGURA .............................. 36

DESCRIPCIÓN FUNCIONAL .....................................37

NOMENCLATURA ..................................................37

ESPECIFICACIONES ..............................................38

ASSEMBLAGE ET FONCTIONNEMENT ...................22

APPLICATIONS ....................................................... 22

AVANT L’UTILISATION ............................................22

UTILISATION ........................................................... 23

CO MMENT UTILISER LA COURONNE

(POUR UNE CHARGE LEGERE) .......................26

ENTRETIEN ET INSPECTION ....................................28

ACCESSOIRES ...........................................................29

ACCESSOIRES STANDARD ................................... 29

ACCESSOIRES SUR OPTION ................................29

LISTA DES PIÈCES .................................................... 49

ÍNDICE

MONTAJE Y OPERACIÓN .......................................... 38

APLICACIONES ......................................................38

ANTES DE LA OPERACIÓN ...................................38

COMO SE USA .......................................................40

MODO DE USAR LA BARRENA TUBULAR

(PARA CARGAS LIGERAS) ...............................42

MANTENIMIENTO E INSPECCIÓN ...........................44

ACCESORIOS .............................................................45

ACCESORIOS ESTÁNDAR ....................................45

ACCESORIOS OPCIONALES .................................45

LISTA DE PIEZAS .......................................................49

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 precautions are outlined in the “SAFETY” section of this Instruction Manual and in the sections which contain the operation and maintenance instructions.

Hazards that must be avoided to prevent bodily injury or machine damage are identiﬁ ed by WARNINGS on the power tool and in this Instruction Manual.

NEVER use this power tool in a manner that has not been speciﬁ cally recommended by HITACHI.

MEANINGS OF SIGNAL WORDS WARNING indicates a potentially hazardous situations which, if ignored, could result in death or serious injury.

CAUTION indicates a potentially hazardous situations which, if not avoided, may result in minor or moderate injury, or

may cause machine damage.

NOTE emphasizes essential information.

SAFETY

GENERAL POWER TOOL SAFETY WARNINGS

WARNING

Read all safety warnings and all instructions.

Failure to follow the warnings and instructions may result in electric shock, ﬁ re and/or serious injury.

Save all warnings and instructions for future reference.

The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated

(cordless) power tool.

1) Work area safety a) Keep work area clean and well lit.

Cluttered or dark areas invite accidents.

b) Do not operate power tools in explosive

atmospheres, such as in the presence of ﬂ ammable liquids, gases or dust.

Power tools create sparks which may ignite the

dust or fumes.

c) Keep children and bystanders away while

operating a power tool.

Distractions can cause you to lose control.

2) Electrical safety a) Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed

(grounded) power tools.

Unmodified plugs and matching outlets will

reduce risk of electric shock.

b) Avoid body contact with earthed or grounded

surfaces such as pipes, radiators, ranges and refrigerators.

There is an increased risk of electric shock if

your body is earthed or grounded.

c) Do not expose power tools to rain or wet

conditions.

Water entering a power tool will increase the

risk of electric shock.

d) Do not abuse the cord. Never use the cord for

carrying, pulling or unplugging the power tool.

Keep cord away from heat, oil, sharp edges

or moving parts.

Damaged or entangled cords increase the risk

of electric shock.

e) When operating a power tool outdoors, use

an extension cord suitable for outdoor use.

Use of a cord suitable for outdoor use reduces

the risk of electric shock.

f) If operating a power tool in a damp location

is unavoidable, use a residual current device (RCD) protected supply.

Use of an RCD reduces the risk of electric shock.

3) Personal safety a) Stay alert, watch what you are doing and use

common sense when operating a power tool.

Do not use a power tool while you are tired

or under the inﬂ uence of drugs, alcohol or medication.

English

A moment of inattention while operating power

tools may result in serious personal injury.

b) Use personal protective equipment. Always

wear eye protection.

Protective equipment such as dust mask,

non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.

c) Prevent unintentional starting. Ensure the

switch is in the oﬀ -position before connecting to power source and/or battery pack, picking up or carrying the tool.

Carrying power tools with your finger on the

switch or energising power tools that have the switch on invites accidents.

d) Remove any adjusting key or wrench before

turning the power tool on.

A wrench or a key left attached to a rotating part

of the power tool may result in personal injury.

e) Do not overreach. Keep proper footing and

balance at all times.

This enables better control of the power tool in

unexpected situations.

f) Dress properly. Do not wear loose clothing

or jewellery. Keep your hair, clothing and gloves away from moving parts.

Loose clothes, jewellery or long hair can be

caught in moving parts.

g) If devices are provided for the connection

of dust extraction and collection facilities, ensure these are connected and properly used.

Use of dust collection can reduce dust-related

hazards.

4) Power tool use and care a) Do not force the power tool. Use the correct

power tool for your application.

The correct power tool will do the job better and

safer at the rate for which it was designed.

b) Do not use the power tool if the switch does

not turn it on and oﬀ .

Any power tool that cannot be controlled with

the switch is dangerous and must be repaired.

c) Disconnect the plug from the power source

and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools.

Such preventive safety measures reduce the

risk of starting the power tool accidentally.

d) Store idle power tools out of the reach of

children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool.

Power tools are dangerous in the hands of

untrained users.

e) Maintain power tools. Check for misalignment

or binding of moving parts, breakage of parts and any other condition that may aﬀ ect the power tool’s operation.

If damaged, have the power tool repaired

before use.

Many accidents are caused by poorly maintained

power tools.

f) Keep cutting tools sharp and clean.

Properly maintained cutting tools with sharp

cutting edges are less likely to bind and are easier to control.

g) Use the power tool, accessories and tool bits

etc. in accordance with these instructions, taking into account the working conditions and the work to be performed.

Use of the power tool for operations different

from those intended could result in a hazardous situation.

5) Service a) Have your power tool serviced by a qualiﬁ ed

repair person using only identical replacement parts.

This will ensure that the safety of the power tool

is maintained.

SPECIFIC SAFETY RULES AND SYMBOLS

1. Wear ear protectors.

Exposure to noise can cause hearing loss.

2. Use auxiliary handles, if supplied with the tool.

Loss of control can cause personal injury.

3. Hold power tools by insulated gripping surfaces

when performing an operation where the cutting tool may contact hidden wiring or its own cord.

Cutting accessory contacting a “live” wire may make

exposed metal parts of the power tool “live” and could give the operator an electric shock.

4. NEVER touch the tool bit with bare hands after

operation.

5. NEVER wear gloves made from materials likely to roll

up such as cotton, wool, cloth or string, etc.

6. ALWAYS attach the side handle and securely grip the

Rotary Hammer.

7. NEVER touch moving parts.

NEVER place your hands, ﬁ ngers or other body parts

near the tool’s moving parts.

8. Never operate without all guards in place.

NEVER operate this tool without all guards or safety

features in place and in proper working order. If maintenance or servicing requires the removal of a guard or safety feature, be sure to replace the guard or safety feature before resuming operation of the tool.

English

9. 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.

10. NEVER use a power tool for applications other than those speciﬁ ed.

NEVER use a power tool for applications other than

those speciﬁ ed in the Instruction Manual.

11. Handle tool correctly.

Operate the tool according to the instructions provided

herein. Do not drop or throw the tool.

NEVER allow the tool to be operated by children,

individuals unfamiliar with its operation or unauthorized personnel.

12. Keep all screws, bolts and covers tightly in place.

Keep all screws, bolts, and plates tightly mounted.

Check their condition periodically.

13. Do not use power tools if the plastic housing or handle is cracked.

Cracks in the tool’s housing or handle can lead to

electric shock. Such tools should not be used until repaired.

14. Blades and accessories must be securely mounted to the tool.

Prevent potential injuries to youself or others. Blades,

cutting implements and accessories which have been mounted to the tool should be secure and tight.

15. Keep motor air vent clean.

The tool’s motor air vent must be kept clean so that

air can freely ﬂ ow at all times. Check for dust build-up frequently.

16. Operate power tools at the rated voltage.

Operate the power tool at voltages speciﬁ ed 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.

17. 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 repairs by a Hitachi authorized service center.

18. NEVER leave tool running unattended. Turn power oﬀ .

Don’t leave tool until it comes to a complete stop.

19. Carefully handle power tools.

Should a power tool be dropped or struck against hard

materials inadvertently, it may be deformed, cracked, or damaged.

20. Do not wipe plastic parts with solvent.

Solvents such as gasoline, 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 cloth lightly dampened

with soapy water and dry thoroughly.

21. ALWAYS wear eye protection that meets the

requirement of the latest revision of ANSI Standard Z87.1.

22. ALWAYS be careful with buried object such as an

underground wiring.

Touching live wiring or electric cable with this tool may

result in electric shock.

Conﬁ rm before use whether hidden objects are

present, such as electric cables within the wall, ﬂ oor or ceiling.

23. Deﬁ nitions for symbols used on this tool

V....................volts

Hz .................hertz

A ...................amperes

..................no load speed

W ..................watt

..................Class II Construction

---/min ...........revolutions per minute

.................. Alternati ng cu rrent

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 external grounding, you must still follow the normal electrical safety precautions given in this Instruction Manual, including not using the power tool in wet environments. To keep the double insulation system eﬀ ective, follow these precautions:

○

Only HITACHI AUTHORIZED SERVICE CENTER

should disassemble or assemble this power tool, and only genuine HITACHI replacement parts should be installed.

○

Clean the exterior of the power tool only with a soft cloth

moistened with soapy water, and dry thoroughly.

Never use solvents, gasoline or thinners on plastic

components; otherwise the plastic may dissolve.

English

SAVE THESE INSTRUCTIONS

AND

MAKE THEM AVAILABLE TO OTHER USERS

AND

OWNERS OF THIS TOOL!

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 ﬁ rst read and understood all safety instructions

contained in this manual.

Some illustrations in this Instruction Manual may show details or attachments that diﬀ er from those on your own power

tool.

NAME OF PARTS

[DH26PC]

Drill bit

[DH26PF / DH28PFY]

Drill bit

Depth gauge

Front cap

Depth gauge

Front cap

Grip

Side handle

Change lever

Side handle

Change lever

Push button

Nameplate

Switch trigger

Push button

Nameplate

Switch trigger

Housing

Push button

Stopper

Handle

Push button

Stopper

Handle

Fig. 1

English

SPECIFICATIONS

Model Name DH26PC DH26PF DH28PFY Type of Handle Gun-type Handle D-type Handle Motor Single-Phase, Series Commutator Motor Power Source Single-Phase, 120 V 60 Hz Current 7.3 A 7.5 A 8.0 A

Concrete 1/8" – 1" (3.4 mm – 26 mm)

Capacity

No-Load Speed 0 – 1,100 /min. Full-load Blow 0 – 4,300 /min. Weight 6.2 lbs (2.8 kg) 6.7 lbs (3.0 kg) 6.9 lbs (3.1 kg)

Steel 1/2" (13 mm) 1/2" (13 mm) Wood 1-1/4" (32 mm) 1-1/4" (32 mm)

1/8" – 1-1/8" (3.4 mm – 28 mm)

ASSEMBLY AND OPERATION

APPLICATIONS

Rotation and hammering 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). Hammering 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 requirements speciﬁ ed on the product nameplate.

2. Power switch Ensure that the switch is in the OFF position. If the

plug is connected to a receptacle while the switch is in the ON position, the power tool will start operating immediately and can cause serious injury.

3. Extension cord When the work area is far away from the power source,

use an extension cord of suﬃ cient thickness and rated capacity. The extension cord should be kept as short as practicable.

WARNING

Damaged cord must be replaced

or repaired.

4. Check the receptacle If the receptacle only loosely accepts the plug, the

receptacle must be repaired. Contact a licensed electrician to make appropriate repairs.

If such a faulty receptacle is used, it may cause

overheating, resulting in a serious hazard.

5. Conﬁ rming condition of the environment Conﬁ rm that the work site is placed under appropriate

conditions conforming to prescribed precautions.

6. Mounting the drill bit (Fig. 2)

CAUTION

●

Be sure to switch power OFF and disconnect the

plug from the receptacle.

●

For tools such as a drill bit and a bull point, use

only Hitachi genuine parts.

(1) Clean the shank portion of the drill bit. (2) Insert the drill bit in a twisting manner into the tool holder

until it latches 0itself. (Fig. 2)

Grip

Part of SDS-plus shank

Drill bit

(3) Check the latching by pulling on the drill bit.

Front cap

Fig. 2

English

(4) To remove the drill bit, fully pull the grip in the direction

of the arrow and pull out the drill bit. (Fig. 3)

dust collector (B) attached to a drill bit that has more than 7-15/32" (190 mm) of overall length, dust collector (B) cannot touch the concrete

Drill bit

surface and will rotate. Therefore please use dust collector (B) by attaching to drill 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

Grip

Fig. 3

7. Installation of dust cup or dust collector (B) (Optional

accessories) (Fig. 4, Fig. 5)

When using a rotary hammer for upward drilling

operations attach a dust cup or dust collector (B) to collect dust or particles for easy operation.

○

Installing the dust cup

Use the dust cup by attaching to the drill bit a shown in

Fig. 4.

drilling.

○

Please replace the drill bit after removing dust

collector (B).

8. Selecting the driver bit Screw heads or bits will be damaged unless a bit

appropriate for the screw diameter is employed to drive in the screws.

9. Conﬁ rm the direction of bit rotation (Fig. 6) The bit rotates clockwise (viewed from the rear side) by

pushing the R-side of the push button. The L-side of the push button is pushed to turn the bit counterclockwise.

When using a bit which has big diameter, enlarge the

center hole of the dust cup with this rotary hammer.

Dust cup

Fig. 4

○

Installing dust collector (B)

When using dust collector (B), insert dust collector (B)

from the tip of the bit by aligning it to the groove on the grip (Fig. 5)

Dust collector (B)

HOW TO USE

CAUTION

To prevent accidents, make sure to turn the switch

oﬀ and disconnect the plug from the receptacle when the drill bits and other various parts are installed or removed. The power switch should also be turned oﬀ during a work break and after

Grip

work.

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

Fig. 5

CAUTION

○

The dust cup and dust collector (B) are for

exclusive use of concrete drilling work. Do not use them for wood or metal drilling work.

○

Insert dust collector (B) completely into the chuck

part of the main unit.

○

When turning the rotary hammer on while dust

collector (B) is detached from a concrete surface, dust collector (B) will rotate together with the drill

is pulled slightly and increases as the switch is pulled more. To turn the switch OFF, release the trigger switch to its original position. However, the switch trigger can only be pulled in halfway during reverse and rotates at half the speed of forward operation.

○

Pulling the trigger and pushing the stopper, it keeps

the switched-on condition which is convenient for continuous running. When switching oﬀ , the stopper can be disconnected by pulling the trigger again. The switch stopper is unusable during reverse.

bit. Make sure to turn on the switch after pressing dust cup on the concrete surface. (When using

Push button

Fig. 6

English

2. Rotation + Hammering

To drill a wood or metal material using the separately

This rotary hammer can be set to rotation and

hammering mode by pressing the push button and turning the change lever to mark. (Fig. 7)

Push button

Change lever

Fig. 7

(1) Mount the drill bit. (2) Pull the trigger switch after applying the drill bit tip to

the drilling position (Fig. 8)

(1) Attach the drill chuck to the chuck adaptor. (2) The part of the SDS-plus shank is the same as the drill

CAUTION

○

Application of force more than necessary will not

Fig. 8

○

(3) Pushing the rotary hammer forcibly is not necessary

Drill bit may snap oﬀ while withdrawing the rotary

at all. Pushing slightly so that drill dust comes out gradually is just suﬃ cient.

○

Do not attempt to drill anchor holes or holes in

CAUTION

○

When the drill bit touches an iron reinforcing

Do not attempt to use the rotary hammer in the 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.

sold drill chuck and chuck adaptor, proceed as follows. Installing drill chuck and chuck adaptor (Fig. 10):

Front cap

Drill chuck

Chuck adaptor

Part of SDS-plus shank

Grip

Fig. 10

bit. Therefore, refer to the item of “Mounting the drill bit” for attaching it.

only reducing drilling eﬃ ciency at all, but will deteriorate the tip edge of the drill bit and reduce the service life of the rotary hammer in addition.

hammer from the drilled hole. For withdrawing, it is important to use a pushing motion.

concrete with the main unit in the rotation only function.

rotation and striking function with the drill chuck and chuck adaptor attached. This would seriously shorten the service life of every components of the machine.

3. Rotation only This rotary hammer can be set to rotation only mode

by pressing the push button and turning the change lever to mark. (Fig. 9)

Push button

Change lever

Fig. 9

4. When driving machine screws (Fig. 11) First, insert the bit into the socket in the end of chuck

adaptor (D).

Next, mount chuck adaptor (D) on the main unit using

procedures described in 6 (1), (2), (3), of "PRIOR TO OPERATION", put the tip of the bit in the slots in the head of the screw, grasp the main unit and tighten the screw.

Bit

Socket

Chuck adaptor (D)

Front cap

Grip

Fig. 11

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. 11) (1) Selecting a suitable driver bit Employ phillips screws, if possible, since the driver bit

easily slips oﬀ the heads of slotted-head screws.

(2) Driving in wood screws

○

Prior to driving in wood screws, make pilot holes

suitable for them in the wooden board. Apply the bit to the screw head grooves and gently drive the screws into the holes.

○

After rotating the rotary hammer at low speed for a

while until a wood screw in partly driven into the wood, squeeze the trigger more strongly to obtain the optimum driving force.

CAUTION

Exercise care in preparing a pilot hole suitable for

the wood screw taking the hardness of the wood into consideration. Should the hole be excessively small or shallow, requiring much power to drive the screw into it, the thread of the wood screw may sometimes be damaged.

6. Hammering only This rotary hammer can be set to hammering only mode

by pressing the push button and turning the change lever to mark. (Fig. 12)

English

Change lever

The rotation is released. Turn the tool bit and adjust

the cold chisel or other tool bit to the desired position. (Fig. 14)

Tool bit

(3) Turn the change lever to Then, the tool bit is locked.

7. Using depth gauge (Fig. 15) (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 according to the depth

of the hole and tighten the knob bolt securely.

Depth gauge

Push button

Fig. 13

Fig. 14

mark. (Fig. 12)

Mounting hole

Side handle

Change lever

Push button

Fig. 12

(1) Mount the bull point, cold chisel, or other tool bit.

8. How to use the drill bit (taper shank) and the taper

(1) Mount the taper shank adaptor to the rotary hammer.

(2) Mount the drill bit (taper shank) to the taper shank

(2) Press the push button and set the change lever to

middle of

mark and mark. (Fig. 13)

(3) Turn the switch ON, and drill a hole in prescribed depth.

Fig. 15

shank adaptor.

(Fig. 16)

adaptor. (Fig. 16)

English

Drill bit

Taper shank

Front cap

Grip

(2) Mount the core bit shank to the rotary hammer. (Fig. 19)

adaptor

Fig. 16

(4) To remove the drill bit (taper shank), insert the cotter

into the slot of the taper shank adaptor and strike the head of the cotter with a hammer supporting on the rests. (Fig. 17)

(3) Insert the center pin into the guide plate until it stops. (4) Engage the guide plate with the core bit, and turn the

Taper shank adaptor

Cotter

Rests

Fig. 17

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

2. How to bore (Fig. 21) (1) Connect the plug to the receptacle. (2) A spring is installed in the center pin. Push it lightly to

(3) When boring about 3/16" (5 mm) in depth the position

Be sure to switch power OFF and disconnect the

plug from the receptacle.

(4) Application of excessive force will not only expedite (1) Mount the core bit to the core bit shank. (Fig. 18) Lubricate the thread of the core bit shank to facilitate

disassembly.

Fig. 19

guide plate to left or right so that it does not fall even if it faces downward. (Fig. 20)

Guide plate

Center pin

Core bit tip

Core bit

Fig. 20

the wall or the ﬂ oor straight. Connect all over the surface of the core bit tip and start operating.

of the hole will establish. Bore after that removing the center pin and the guide plate from core bit.

the work, but will deteriorate the tip edge of the drill bit, resulting in reduced service life of the rotary hammer.

Core bit

Thread

Fig. 21

Core bit shank

CAUTION

When removing the center pin and the guide plate,

turn OFF the switch and disconnect the plug form

Fig. 18

the receptacle.

3. Dismounting. (Fig. 22) 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 thread becomes loose and the core bit can be removed.

MAINTENANCE AND INSPECTION

English

Core bit shank

Fig. 22

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 eﬃ ciency, 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 them immediately.

WARNING

Using this rotary hammer with loosen screws is

extremely dangerous.

3. Maintenance of the motor The motor unit winding is the very “heart” of the power

tool. Exercise due care to ensure the winding does not become damaged and/or wet with oil or water.

4. Inspecting the carbon brushes For your continued safety and electrical shock

protection, carbon brush inspection and replacement on this tool should ONLY be performed by a Hitachi Authorized Service Center.

5. How to replace grease Low viscosity grease is applied to this rotary hammer

so that it can be used for a long period without replacing the grease. Replace the grease whenever you change the carbon brush to maintain the service life. Please contact the nearest service center for grease replacement when any grease is leaking from loosened screw. Further use of the rotary hammer despite the grease shortage causes seizure to reduce the service life.

CAUTION

A specific grease is used with this machine,

therefore, the normal performance of the machine may be badly aﬀ ected by use of other grease. Please be sure to let one of our service agents undertake replacement of the grease.

6. Service and repairs

All quality power tools will eventually require servicing

or replacement of parts because of wear from normal use. To assure that only authorized replacement parts will be used, all service and repairs must be performed by a Hitachi Authorized Service Center, ONLY.

7. Service parts list

CAUTION

Repair, modiﬁ cation and inspection of Hitachi

Power Tools must be carried out by a Hitachi Authorized Service Center.

This Parts List will be helpful if presented with

the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance. In the operation and maintenance of power tools, the safety regulations and standards prescribed in each country must be observed.

MODIFICATIONS

Hitachi Power Tools are constantly being improved

and modiﬁ ed to incorporate the latest technological advancements.

Accordingly, some parts may be changed without prior

notice.

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 HITACHI.

STANDARD ACCESSORIES

(1) Plastic Case (Code No. 335257) (for DH26PC) .........................................................................................................1

(2) Side Handle (Code No. 335273) ...............................................................................................................................1

(3) Depth Gauge (Code No. 310331) ..............................................................................................................................1

OPTIONAL ACCESSORIES...sold separately

(Code No. 370155) (for DH26PF, DH28PFY) .......................................................................................1

1. Drilling anchor holes (Rotation + Hammering)

○

Drill Bit (Taper shank) and taper shank adaptor

(1) Drill Bit (Taper Shank) (2) Taper Shank Adaptor

External dia. Code No.

7/16" (11 mm) 944460

1/2" (12.3 mm) 944461

1/2" (12.7 mm) 993038 9/16" (14.3 mm) 944462 9/16" (14.5 mm) 944500

11/16" (17.5 mm) 944463

7/8" (21.5 mm) 944464

(SDS-plus shank)

Cotter (Code No. 944477)

Taper mode Code No. Applicable drill bit

7/16" (11 mm)

Morse taper

(No. 1)

Morse taper

(No. 2)

A-taper 303619

B-taper 303620

○

1/2" (13 mm) Hammer Drill chuck and Chuck wrench

For drilling operations when using a straight shank bit

for impact drilling with a rotary hammer

Impact Drill Application Straight shank Bit

3 0 3 6 1 7

303618

Drill bit (Taper shank)

Taper shank adaptor formed A-taper or B-taper is provided as an optional accessory, but drill bit for it is not provided.

1/2" (13 mm) Hammer Drill Chuck (SDS-plus shank) (includes Chuck wrench)

1/2" (12.3 mm)

1/2" (12.7 mm) 9/16" (14.3 mm) 9/16" (14.5 mm)

11/16" (17.5 mm)

7/8" (21.5 mm)

Chuck wrench

English

Name Code No.

1/2" (13 mm) Hammer Drill Chuck 303332

Chuck wrench 303334

Rubber Cap 303335

2. Knock-in anchor (Hammering only)

Anchor Setter (for anchor setting) (SDS-plus shank)

Anchor

size

Overall Length

W 1/4"

(6.3 mm)

10-1/4"

(260 mm)

W 5/16"

(8 mm) 10-1/4"

(260 mm)

(9.5 mm)

6-1/4"

(160 mm)

W 3/8"

10-1/4"

(260 mm)

Code No. 302976 302975 303621 302974

Anchor

size

Overall Length

W 1/4"

(6.3 mm)

10-1/4"

(260 mm)

W 5/16"

(8 mm) 10-1/4"

(260 mm)

(9.5 mm)

6-1/4"

(160 mm)

W 3/8"

10-1/4"

(260 mm)

Code No. 302979 302978 303622 302977

Anchor setting adaptor (for manual hammer)

<Outer wedge type with

the female screw>

Anchor size Code No.

W1/4"

(6.3 mm)

W5/16"

(8 mm)

W3/8"

(9.5 mm)

W1/2"

(12.7 mm)

W5/8"

(15.9 mm)

971794

971795

971796

971797

971798

<Inner wedge type with

the headless screw>

Anchor size Code No.

W1/4"

(6.3 mm)

W5/16" (8 mm)

W3/8"

(9.5 mm)

W1/2"

(12.7 mm)

W5/8"

(15.9 mm)

971799

971800

971801

971802

971803

3. Large hole boring (Rotation + Hammering)

Guide

Center pin Core Bit

Plate

Core bit Shank (SDS-plus shank)

Guide plate

Core bit

(outer

diameter)

1-1/4"

(32 mm)

1-3/8"

(35 mm)

1-1/2"

(38 mm)

Code No.

982686

982687

982688

Core bit

(outer

diameter)

1-3/4"

(45 mm)

(50 mm)

Code No.

982689

982690

Center

Code No. Core bit (outer diameter) Code No. Core bit shank Code No.

––

(A)

(A) 982684

(B) 982685 (B)

1"(25 mm) 982672

1-1/4" (32 mm) 982674 1-3/8" (35 mm) 982675 1-1/2" (38 mm) 982676 1-3/4" (45 mm) 982677

2" (50 mm) 982678

(A)

(B)

Overall length

4 -1 / 8 "

(105 mm)

12"

(300 mm)

12"

(300 mm)

303625 1 - 1 / 8 " ( 2 9 m m ) 9 8 2 6 7 3

303626

303627

English

4. Demolishing operation (Hammering only)

○

Bull point (Round type) (SDS-plus shank)

Code No. 303046

○

Bull point (Square type) (SDS-plus shank)

Code No. 316656

5. Groove digging and edging (Hammering only)

○

Cold chisel (SDS-plus shank)

Code No. 316657

○

Cutter (SDS-plus shank)

Code No. 316658

6. Grooving (Hammering only) Grooving chisel (SDS-plus shank) Code No. 316659

Chuck adaptor G (SDS-plus shank) Code No. 303623

Chuck wrench

9. Drilling holes (Rotation only)

Drill chuck (13VLD–D) (includes chuck wrench) Code No. 321813

Chuck wrench

○

1/2" (13 mm) drill chuck ass’y (includes chuck wrench)

Chuck adaptor (D) (SDS-plus shank) Code No. 303624

and chuck (for drilling into steel or wood).

10. Driving Screws (Rotation only)

7. Bolt placing operation with Chemical Anchor. (Rotation + Hammering)

Standard socket on the market

(SDS-plus shank)

○

1/2" (12.7 mm)

Chemical Anchor Adapter

(Code No.303044)

○

3/4" (19 mm)

Chemical Anchor Adapter

(Code No. 303045)

8. Drilling holes and driving screws (Rotation only)

○

Drill chuck, chuck adaptor and chuck wrench

Special screw Code No. 981122

Drill chuck (13VLRB–D) (includes chuck wrench) Code No. 321814

Bit No.

Chuck adaptor (D) (SDS-plus shank) Code No. 303624

Phillips Driver Bit

Bit No. Screw Size Length Code No.

No.2

No.3

1/8" – 3/16"

(3 – 5 mm)

1/4" – 5/16"

(6 – 8 mm)

31/32"

(25 mm)

31/32"

(25 mm)

971511Z

971512Z

11. Dust cup, Dust collector (B)

Dust cup Code No. 971787

Dust collector (B) Code No. 306885

12. Rotary hammer grease

1.1 lbs (500 g) (in a plastic case) Code No. 335781

0.13 lbs (60 g) (in a tube) Code No. 335782

NOTE

Speciﬁ cations are subject to change without any obligation on the part of the HITACHI.

+ 36 hidden pages

Hitachi DH 26PC, DH 28PFY, DH 26PF Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual