Panasonic EY7552 User Manual

Cordless Impact Wrench

Destornillador de impacto inalámbrico

Perceuse à impact sans l

Operating Instructions Instructions d’utilisation Manual de instrucciones

Model No : EY7552

IMPORTANT

Before operating this unit, please read these instructions completely and save this manual for future use.

IMPORTANT

Lire entièrement les instructions suivantes avant de faire fonctionner l’appareil et conserver ce mode d’emploi à des fins de consultation ultérieure.

IMPORTANTE

Antes de usar este aparato por primera vez, lea todas las instrucciones de este manual y guarde el manual para poderlo consultar en el futuro.

Index/Index/Indice

English: Page 3 Français: Page 17 Español: Página 31

FUNCTIONAL DESCRIPTION DESCRIPTION DES FONCTIONS DESCRIPCIÓN FUNCIONAL

(B)

(A)

(I)

(J)

(C)

(K)

(G)

(L)

(F)

(H)

(E)

10.8 V ─ 28.8 V

(D)

Square drive (retainer ring and pin) Embout carré (bague et goupille de

(A)

Nose protector Protection du bec Protector del morro

(B)

Forward/Reverse lever Levier d’inversion marche avant/

(C)

Alignment marks Marques d’alignement Marcas de alineación

(D)

Battery pack release button Bouton de libération de batterie

(E)

Battery pack Batterie autonome Batería

(F)

Indication panel Panneau indicateur Panel de indicación

(G)

Battery level button Bouton du niveau de la batterie Botón de nivel de batería

(H)

Battery level indicator Indicateur du niveau de la batterie Indicador de nivel de batería

(I)

Overheat warning lamp (motor/

(J)

battery) Variable speed control trigger Gâchette de commande de vitesse Disparador del control de velocidad

(K)

Battery charger Chargeur de batterie Cargador de batería

(L)

Pack cover Couvercle de la batterie autonome Cubierta de batería

(M)

retenue)

marche arrière

autonome

Témoin d’avertissement de surchauffe (moteur/batterie)

Adaptador para puntas (anillo de retención y pasador)

Palanca de avance/marcha atrás

Botón de liberación de batería

Luz de advertencia de sobrecalentamiento (motor/batería)

variable

(M)

2 -

This tool, as a complete unit with a battery pack, satises appropriate IP Degrees of Protection based on the IEC regulations.

Definition of IP code

IP5X: Ingress of dust is not totally

prevented, but dust shall not penetrate in a quantity to interfere with satisfactory operation of the tool or to impair safety (In case that the talcum powder under 75 μm intrudes inside the tool).

IPX6: Water projected in powerful jets

against the tool from any direction shall have no harmful effects (In case that, with a nozzle of 12.5 mm inner diameter, approximately 100 L/min of normal temperature water is injected to the tool for 3 minutes from 3 meter distance).

LIMITED WARRANTY

The rating of IP56 qualifies this tool for

the minimum impact of water or dust, but not for the assurance of performance in such conditions. See Safety and Operating Instructions for further details for proper operation.

I. GENERAL

SAFETY RULES

WARNING! Read all instructions

Failure to follow all instructions listed below may result in electric shock, re and/or serious injury. The term “power tool” in all of the warnings listed below refers to your mains operated (corded) power tool and battery operated (cordless) power tool.

SAVE THESE INSTRUCTIONS Work Area Safety

1) Keep work area clean and well lit. Cluttered or 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 dust or fumes.

3) Keep children and bystanders away while

operating a power tool.

Distractions can cause you to lose control.

Electrical Safety

1) 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.

2) 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.

3) Do not expose power tools to rain or wet

conditions.

Water entering a power tool will increase the

risk of electric shock.

4) 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.

5) 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.

6) If operating a power tool in a damp

location is unavoidable, use a residual current device (RC D) protected supply.

Use of RCD reduces the risk of electrical

shock.

Personal Safety

1) 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 influence of drugs, alcohol or medication.

A moment of inattention while operating

power tools may result in personal injury.

2) Use safety equipment. Always wear eye

protection.

Safety equipment such as dust mask, non-

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

3) Avoid accidental starting. Ensure the

switch is in the off position before plugging in.

Carrying power tools with your finger on the

switch or plugging in the power tools that have the switch on invites accidents.

3 -

4) Do not overreach. Keep proper footing

and balance at all times.

This enables better control of the power

tool in unexpected situations.

5) 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.

6) If de vices are pr ovided for the

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

Use of these devices can reduce dust

related hazards.

Power Tool Use and Care

1) 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.

2) 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.

3) 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.

4) 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.

5) Maintain power tools. Check for

misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tools operation. If damaged, have the power tool repaired before use.

Many accidents are caused by poorly

maintained power tools.

6) Keep cutting tools sharp and clean.

Properly maintained cutting tools with sharp

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

7) Use the power tool, accessories and

tool bits etc. in accordance with these instructions and in the manner intended for the particular type of power tool, 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.

Battery Tool Use and Care

1) Ensure the switch is in the off position before inserting battery pack.

Inserting battery pack into power tools that

have the switch on invites accidents.

2) Recharge only with the charger specified

by the manufacturer.

A charger that is suitable for one type of

battery pack may create a risk of fire when used with another battery pack.

3) Use power tools only with specifically

designated battery packs.

Use of any other battery packs may create a

risk of injury and fire.

4) When battery pack is not in use, keep it

away from other metal objects like paper clips, coins, keys, nails, screws, or other small metal objects that can make a connection from one terminal to another.

Shorting the battery terminals together may

cause burns, or a fire.

5) Under abusive conditions, liquid may

be ejected from battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help.

Liquid ejected from the battery may cause

irritation or burns.

Service

1) Have your power tool serviced by a qualified repair person using only identical replacement parts.

This will ensure that the safety of power tool

is maintained.

4 -

II. SPECIFIC

SAFETY RULES

1) Wear ear protection. Exposure to noise can

cause hearing loss.

2) Be aware that this tool is always in an operating condition, since it does not have to be plugged into an electrical outlet.

3) Hold power tools by insulated gripping

surfaces when performing an operation where the cutting tool may contact hid den wiring.

Contact with a “live” wire will make exposed

metal parts of the tool “live” and shock the operator.

4) If the socket becomes jammed, immediately turn the trigger switch off to prevent an overload which can damage the battery pack or motor. Use reverse motion to loosen jammed sockets.

5) Do NOT operate the Forward/Reverse lever when the trigger switch is on. The battery will discharge rapidly and damage to the unit may occur.

6) When storing or carrying the tool, set the Forward/Reverse lever to the center position (switch lock).

7) Do not strain the tool by holding the speed control trigger halfway (speed control mode) so that the motor stops. The protection circuit will activate and may prevent speed control operation. If this happens, release the speed control trigger and squeeze again for normal operation.

8) Be careful not to get dust inside the chuck.

9) Do not touch the rotating parts to avoid injury.

10) Do not use the tool continuously for a long period of time. Stop using the tool from time to time to avoid temperature rise and heat overload of the motor.

11) Do not drop the tool.

Symbol Meaning

… min

Revolutions or reciprocations

-1

Volts

Direct current

No load speed

per minutes

Electrical capacity of battery

pack

To reduce the risk of

injury user must read and

understand instruction

manual.

WARNING!

Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:

• Lead from lead-based paints

• Crystalline silica from bricks and cement and other masonry products

• Arsenic and chromium from chemicallytreated lumber.

To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as dust masks that are specially designed to lter out microscopic particles.

III. FOR BATTERY

CHARGER & BATTERY PACK

Important Safety Instructions

1) SAVE THESE INSTRUCTIONS -This

manual contains important safety and operating instructions for battery charger.

2) Before using battery charger, read all instructions and cautionary markings on battery charger, battery pack, and product using battery pack.

3) CAUTION -To reduce the risk of injury, charge only Panasonic Battery Pack as shown in last page.

Other types of batteries may burst causing

personal injury and damage.

4) Do not expose charger and battery pack to rain or snow.

5) To reduce risk of damaging the electric plug and cord, pull by plug rather than cord when disconnecting charger.

6) Make sure cord is located so that it will not be stepped on, tripped over, or otherwise subjected to damage or stress.

5 -

7) An extension cord should not be used unless absolutely necessary.

Use of improper extension cord could result

in a risk of fire and electric shock. If extension cord must be used, make sure that:

a. pins on plug of extension cord are the

same number, size and shape as those of plug on charger.

b. extension cord is properly wired and in

good electrical condition.

c. wire size is large enough for ampere rating

of charger as specified below.

RECOMMENDED MINIMUM AWG SIZE

OF EXTENSION CORDS FOR BATTERY

AC Input Rating. Amperes Equal to or

greater than

0 2 18 18 18 16

CHARGERS

But less than

AWG Size of Cord Length of Cord,

Feet

25 50 100 150

8) Do not operate charger with damaged cord or plug-replace them immediately.

9) Do not operate charger if it has received a sharp blow, been dropped, or otherwise damaged in any way; take it to a qualified service personnel.

10) Do not disassemble charger; take it to a qualified service personnel when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire.

11) To reduce the risk of electric shock, unplug charger from outlet before attempting any maintenance or cleaning.

12) The charger and battery pack are specifically designed to work together. Do not attempt to charge any other cordless tool or battery pack with this charger.

13) Do not attempt to charge the battery pack with any other charger.

14) Do not attempt to disassemble the battery pack housing.

15) Do not store the tool and battery pack in locations where the temperature may reach or exceed 50°C (122°F) (such as a metal tool shed, or a car in the summer), which can lead to deterioration of the storage battery.

16) Do not charge battery pack when the temperature is BELOW 0°C (32°F) or ABOVE 40°C (104°F). This is very important in order to maintain optimal condition of the battery pack.

17) Do not incinerate the battery pack. It can explode in a fire.

18) Avoid dangerous environment. Do not use charger in damp or wet locations.

19) The charger is designed to operate on standard household electrical power only. Do not attempt to use it on any other voltage!

20) Do not abuse cord. Never carry charger by cord or yank it to disconnect from outlet. Keep cord away from heat, oil and sharp edges.

21) Charge the battery pack in a well ventilated place, do not cover the charger and battery pack with a cloth, etc., while charging.

22) Use of an attachment not recommended may result in a risk of fire, electric shock, or personal injury.

23) Do not short the battery pack. A battery short can cause a large current flow, over heating and create the risk of fire or personal injury.

24) NOTE: If the supply cord of this appliance is damaged, it must only be replaced by a repair shop authorized by the manufacturer, because special purpose tools are required.

25) TO REDUCE THE RISK OF ELECTRIC SHOCK, THIS APPLIANCE HAS A POLARIZED PLUG (ONE BLADE IS WIDER THAN THE OTHER).

This plug will fit in a polarized outlet only one

way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to install the proper outlet. Do not change the plug in any way.

6 -

WARNING!

• Do not use other than the Panasonic battery packs that are designed for use with this rechargeable tool.

• Panasonic is not responsible for any damage or accident caused by the use of the recycled battery pack and the counterfeit battery pack.

• Do not dispose of the battery pack in a fire, or expose it to excessive heat.

• Do not drive the likes of nails into the battery pack, subject it to shocks, dismantle it, or attempt to modify it.

• Do not allow metal objects to touch the battery pack terminals.

• Do not carry or store the battery pack in the same container as nails or similar metal objects.

• Do not charge the battery pack in a hightemperature location, such as next to a fire or in direct sunlight. Otherwise, the battery may overheat, catch fire, or explode.

• Never use other than the dedicated charger to charge the battery pack. Otherwise, the battery may leak, overheat, or explode.

• After removing the battery pack from the tool or the charger, always reattach the pack cover. Otherwise, the battery contacts could be shorted, leading to a risk of fire.

• When the Battery Pack Has Deteriorated, Replace It with a New One.

Continued use of a damaged battery pack

may result in heat generation, ignition or battery rupture.

IV. ASSEMBLY

Attaching or Removing Sock et

1. Attaching Socket

1) Remove the rubber ring and pin.

groove

rubber ring

2) Attach the socket putting each holes.

3) Attach the rubber ring and pin in reverse order of 1).

NOTE:

Attach socket firmly by using pin and rubber ring. Retainer ring is only for temporary fixing.

2. Removing Socket

1) Remove the rubber ring and pin.

7 -

rubber ring

Attaching or Removing Bat tery Pack

1. To connect the battery pack: Align the highlighted marker points and

attach battery pack.

• Slide the battery pack until it locks into position.

Alignment marks

2. To remove the battery pack: Push the button and slide the battery pack

forward.

V. OPERATION

WARNING!

• Do not inhale any smoke emitted from the tool or battery pack as it may be harmful.

[Main unit] Switch and Forward/

Reverse Lever Operation

Forward Reverse

Button

Switch lock

CAUTION:

To prevent damage, do not operate Forward/Reverse lever until the socket comes to a complete stop.

8 -

Forward Rotation Switch Operation

1. Push the lever for forward rotation.

2. Depress the trigger switch slightly to start the tool slowly.

3. The speed increases with the amount of depression of the trigger for efficient tightening of bolts. The brake operates and the socket stops immediately when the trigger is released.

4. After use, set the lever to its center position (switch lock).

Reverse Rotation Switch Operation

1. Push the lever for reverse rotation. Check the direction of rotation before use.

2. Depress the trigger switch slightly to start the tool slowly.

3. After use, set the lever to its center position (switch lock).

CAUTION:

• To eliminate excessive temperature increase of the tool surface, do not operate the tool continuously using two or more battery packs. Tool needs cool off time before switching to another pack.

Indication panel

(1)

(1) Battery level indicator and button

• Press the battery level button. Battery level indicator shows battery level

for approx. 10 seconds.

NOTE:

The indicator will not show the battery level even the button is pushed in the following cases.

• The main unit is powered off.

• Just after attaching the battery pack

• The main unit or battery level button is not operated for approx. one minute.

Push the battery level button again after

depressing the trigger switch.

• The battery temperature is high.

Stop the operation and wait until the

battery temperature is low.

Indicator Battery status

3 lamps

illuminated

(2)

Charged enough

Variable Speed Control Trigger

To set the center of a hole, pull the trigger slightly to start the socket rotation slowly. The more the speed control trigger is pulled, the higher the speed becomes.

CAUTION:

When operating the tool by depressing the trigger, there may be a momentary lag before rotation starts. This does not signal a malfunction.

• This lag occurs as the tool’s circuitry starts up when the trigger is pulled for the first time after installing a new battery pack or after the tool has not been used for at least 1 minute. Rotation will start without any lag during second and subsequent operations.

2 lamps

illuminated

One lamp

illuminated

One lamp

ashing

Battery level indication is just guide. The indication may change due to the condition of battery or ambient temperature.

9 -

Approx. 50% remaining

Battery level is low.

Need to be charged soon

Empty Need to be

charged immediately

(2) Overheat warning lamp

[Battery Pack] For Appropriate Use of

Bat tery Pack

Off (normal operation)

To protect the motor or battery, be sure to note the following when carrying out this operation.

• If the motor or battery becomes hot, the protection function will be activated and the motor or battery will stop operating. The overheat warning lamp on the indication panel illuminates or flashes when this feature is active.

• If the overheating protection feature activates, allow the tool to cool thoroughly (at least 30 minutes). The tool is ready for use when the overheat warning lamp goes out.

• Avoid using the tool in a way that causes the overheating protection feature to activate repeatedly.

• If the tool is operated continuously under high-load conditions or if it is used in hottemperature conditions (such as during summer), the overheating protection feature may activate frequently.

• If the tool is used in cold-temperature conditions (such as during winter) or if it is frequently stopped during use, the overheating protection feature may not activate.

Illuminated: Overheat (motor)

Indicates operation has been halted due to motor or battery overheating.

Flashing: Overheat (battery)

Recommended Grip

Use the grip to hold and operate the driver with one hand. If the job requires additional force, you can push against the rear end of the driver with your other hand.

Li-ion Battery Pack

•

For optimum battery life, store the Li-ion battery pack following use without charging it.

• When charging the battery pack, confirm that the terminals on the battery charger are free of foreign substances such as dust and water etc. Clean the terminals before charging the battery pack if any foreign substances are found on the terminals.

The life of the battery pack terminals may be

affected by foreign substances such as dust and water etc. during operation.

• When battery pack is not in use, keep it away from other metal objects like: paper clips, coins, keys, nails, screws, or other small metal objects that can make a connection from one terminal to another.

Shorting the battery terminals together

may cause sparks, burns or a fire.

• When operating the battery pack, make sure the work place is well ventilated.

• When the battery pack is removed from the main unit of the tool, replace the battery pack cover immediately in order to prevent dust or dirt from contaminating the battery terminals and causing a short circuit.

Battery Pack Life

The rechargeable batteries have a limited life. If the operation time becomes extremely short after recharging, replace the battery pack with a new one.

Battery Recycling

ATTENTION:

FOR Li-ion Battery Pack

A Li-ion battery that is recyclable powers the product you have purchased. Please call 1-800-8-BATTERY for information on how to recycle this battery.

10 -

Recommendations for use

Pack cover

Terminals

Label

Be sure to use the Pack cover



When the battery pack is not being used, store the battery in a way that foreign substances such as dust and water etc. do not contaminate the terminals. Be sure to attach the battery pack cover to protect the battery terminals.



When charging the battery pack, conrm that the terminals on the battery charger are free of foreign substances such as dust and water etc. Clean the terminals before charging the battery pack if any foreign substa nces a re fou nd on the terminals. The life of the battery pack terminals may be affected by foreign substances such as dust and water etc. during operation.

CAUTION:

To protect the motor or battery, be sure

to note the following when carrying out operation.



If the motor and battery becomes hot, the protection function will be activated and the motor and battery will stop operating.

For safe use



The battery pack is designed to be installed by proceeding two steps for safety. Make sure the battery pack is installed properly to the main unit before use.



If the battery pack is not connected rmly when the switch is switched on, the overheat warning lamp and the battery low warning lamp will ash to indicate that safe operation is not possible, and the main unit will not rotate normally. Connect the battery pack into the unit of the tool until the red or yellow label disappears.

[Battery Charger] Charging

CAUTION:

• The charger is designed to operate on standard domestic electrical power only as stated in the rating plate. Charge only on the voltage indicated on the rating plate of unit. e.g.230v / 50Hz.

• Do not attempt to use it on any other voltage or frequency rating!

• If the temperature of the battery pack falls approximately below −10°C (14°F), charging will automatically stop to prevent degradation of the battery.

• The ambient temperature range is between 0°C (32°F) and 40°C (104°F). If the battery pack is used when the battery temperature is below 0°C (32°F), the tool may fail to function properly.

• Use the charger at temperatures between 0°C and 40°C, and charge the battery at a temperature similar to that of the battery itself. (There should be no more than a 15°C difference between the temperatures of the battery and the charging location.)

• When charging a cool battery pack (below 0°C (32°F)) in a warm place, leave the battery pack at the place and wait for more than one hour to warm up the battery to the level of the ambient temperature.

• Cool down the charger when charging more than two battery packs consecutively.

• Do not insert your fingers into contact hole, when holding charger or any other occasions.

CAUTION:

To prevent the risk of re or damage to the battery charger.

• Do not cover vent holes on the charger and the battery pack.

• Unplug the charger when not in use.

NOTE:

Your battery pack is not fully charged at the time of purchase. Be sure to charge the battery before use.

11 -

How to charge

1. Plug the charger into the AC outlet.

NOTE:

Sparks may be produced when the plug is inserted into the AC power supply, but this is not a problem in terms of safety.

2. Connect the battery pack firmly into the charger.

1 Line up the alignment marks and place

the battery onto the dock on the charger.

2 Slide forward in the direction of the arrow.

Alignment marks

3. During charging, the charging lamp will be Illuminated. When charging is completed, an internal electronic switch will automatically be triggered to prevent overcharging.

• Charging will not start if the battery pack is warm (for example, immediately after heavy-duty operation).

The orange standby lamp will be flashing

until the battery cools down.

Charging will then begin automatically.

4. The charge lamp (green) will flash slowly once the battery is approximately 80% charged.

5. When charging is completed, the charging lamp in green color will turn off.

6. If the temperature of the batter pack is 0°C or less, charging takes longer to fully charge the battery pack than the standard charging time.

Even when the battery is fully charged,

it will have approximately 50% of the power of a fully charged battery at normal operating temperature.

7. Consult an authorized dealer if the charging lamp (green) does not turn off.

8. If a fully charged battery pack is inserted into the charger again, the charging lamp lights up. After several minutes, the charging lamp in green color will turn off.

9. Remove the battery pack while the battery pack release button is held up.

Battery pack release button

LAMP INDICATIONS

Charging is completed. (Full charge.)

Battery is approximately 80% charged.

Now charging.

Charger is plugged into the AC outlet. Ready to charge.

(Green) (Orange)

Turn off Illuminated Flashing

Charging Status Lamp. Left: green Right: orange will be displayed.

Battery pack is cool. The battery pack is being charged slowly to reduce the load on the battery.

Battery pack is warm. Charging will begin when temperature of battery pack drops. If the temperature of the battery pack is -10° or less, the charging status lamp (orange) will also start flashing . Charging will begin when the temperature of the battery pack goes up"

Charging is not possible. Clogged with dust or malfunction of the battery pack.

12 -

N・m

3.0

VI. MAINTENANCE

N・m

3.0

• Use only a dry, soft cloth for wiping the unit. Do not use a damp cloth, thinner, benzine, or other volatile solvents for cleaning.

• In the event that the inside of the tool or battery pack is exposed to water, drain and allow to dry as soon as possible. Carefully remove any dust or iron filings that collect inside the tool. If you experience any problems operating the tool, consult with a repair shop.

VII. TIGHTENING

TORQUE

The power required for tightening a bolt will vary, according to bolt material and size, as well as the material being bolted. Choose the length of tightening time accordingly. Reference values are provided below. (They may vary according to tightening conditions.)

Factors Affecting Tightening Torque

The tightening torque is affected by a wide variety of factors including the followings. After tightening, always check the torque with a torque wrench.

1) Voltage When the battery pack becomes nearly discharged, the voltage decreases and the tightening torque drops.

M16, M20, M24 x 45 mm

（㎏f-cm）

M16,M20,M24×45mm

600

（6122）

500

（5102）

400

（4082）

300

（3061）

200

Tightening torque

（2041）

100

（1020）

0.50.0 1.0 1.5 2.0 2.5

M24

M20

M16

Tightening time (Sec.)

Standard bolt

（㎏f-cm）

M16,M20,M24×45mm

600

（6122）

500

（5102）

400

（4082）

300

（3061）

200

Tightening torque

（2041）

100

（1020）

0.50.0 1.0 1.5 2.0 2.5

Tightening time (Sec.)

Bolt

Nut

Tightening conditions

• The following bolts are used. Standard bolts: Strength type 4.8 High tensile type 12.9

Explanation of the strength type

4.8

Bolt yield point (

80% of tensile strength)

32 kgf/mm

Bolt tensile strength

40 kgf/mm

2) Tightening time Longer tightening time results in increased

tightening torque. Excessive tightening, how ever, adds no value and reduces the life of the tool.

3) Different bolt diameters The size of the bolt diameter affects the

tight ening torque. Generally, as the bolt diameter increases, tightening torque rises.

4) Tightening conditions

• Tightening torque will vary, even with the same bolt, according to grade, length, and torque coefficient (the fixed coefficient indicated by the manufacturer upon production).

13 -

M16, M20, M24 x 45 mm

High tensile bolt

M24

M20

M16

Washer

Steel plate

thickness 10 mm Washer Spring washer

(45000 psi)

(56000 psi)

• Tightening torque will vary, even with the same bolting material (e.g. steel), accord ing to the surface finish.

• Torque is greatly reduced when the bolt and nut start turning together.

5) Socket play Torque is lowered as the six-sided configu-

ration of the socket of the wrong size is used to tighten a bolt.

6) Switch (Variable speed control trigger) Torque is lowered if the unit is used with

the switch not fully depressed.

7) Effect of Connecting Adaptor The tightening torque will be lowered

through the use of a universal joint or a connecting adaptor.

VIII. ACCESSORIES

Use only suitable size of socket.

IX. APPENDIX

MAXIMUM RECOMMENDED CAPACITIES

Model

Bolt fastening

Standard bolt : M12 - M20

High tensile bolt : M12 - M18

EY7552

WARRANTY SUPPLEMENT

The breakdown and damage caused by usage consistent for a long time (e.g.: factory work on the assembly line, etc.) is out of warranty.

X. SPECIFICATIONS

MAIN UNIT

Model

Motor voltage 18 V DC

No load speed 0 - 1550 min

Maximum torque 470 N·m

Impact per minute 0 - 2400 min

Overall length 214 mm Weight

(with battery pack: EY9L50) Weight

(with battery pack: EY9L51) Noise,Vibration See the included sheet

EY7552

-1

2.6 kg

14 -

BATTERY PACK

Model EY9L50 EY9L51

Storage battery Li-ion Battery

Battery voltage 18 V DC (3.6 V x 10 cells)

BATTERY CHARGER

Model EY0L81

Electrical rating See the rating plate on the bottom of the charger

Weight 0.93 kg

EY9L50 EY9L51

Charging time

Model EY0L82

Electrical rating See the rating plate on the bottom of the charger

Weight 0.93 kg

Charging time

NOTE: This chart may include models that are not available in your area.

Please refer to the latest general catalogue.

NOTE: For the dealer name and address, please see the included warranty card.

Usable: 50 min Usable: 65 min

Full: 65 min Full: 80 min

EY9L50 EY9L51

Usable: 40 min Usable: 55 min

Full: 55 min Full: 70 min

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