TE300-AVR - Charles Wilson Engineers Ltd€¦ · TE300-AVR Bedienungsanleitung de Operating...

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TE 300-AVR Bedienungsanleitung de Operating instructions en Mode d’emploi fr Istruzioni d’uso it Manual de instrucciones es Manual de instruções pt Gebruiksaanwijzing nl Brugsanvisning da Bruksanvisning sv Bruksanvisning no Käyttöohje fi Οδηγιες χρησεως el ar Lietošanas pamācība lv Instrukcija lt Kasutusjuhend et Printed: 08.07.2013 | Doc-Nr: PUB / 5070927 / 000 / 02

Transcript of TE300-AVR - Charles Wilson Engineers Ltd€¦ · TE300-AVR Bedienungsanleitung de Operating...

TE 300-AVR

Bedienungsanleitung deOperating instructions enMode d’emploi frIstruzioni d’uso itManual de instrucciones esManual de instruções ptGebruiksaanwijzing nlBrugsanvisning daBruksanvisning svBruksanvisning noKäyttöohje fiΟδηγιες χρησεως el

arLietošanas pamācība lvInstrukcija ltKasutusjuhend et

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ORIGINAL OPERATING INSTRUCTIONS

TE 300‑AVR breaker

It is essential that the operating instructionsare read before the power tool is operated forthe first time.Always keep these operating instructions to-gether with the power tool.Ensure that the operating instructions arewith the power tool when it is given to otherpersons.

Contents Page1 General information 132 Description 143 Insert tools, consumables 164 Technical data 165 Safety instructions 176 Before use 207 Operation 208 Care and maintenance 229 Troubleshooting 2210 Disposal 2311 Manufacturer’s warranty - tools 2312 EC declaration of conformity (original) 23

1 These numbers refer to the corresponding illustra-tions. The illustrations can be found on the fold-out coverpages. Keep these pages open while studying the oper-ating instructions.In these operating instructions, the designation “thepower tool” always refers to the TE 300‑AVR breaker.

Components, operating controls and indicators 1

@Chuck

;Function selector switch

=Control switch

%Control switch lock

&Front grip surface

(Rear grip surface

)AVR active vibration reduction

1 General information1.1 Safety notices and their meaningDANGERDraws attention to imminent danger that will lead toserious bodily injury or fatality.

WARNINGDraws attention to a potentially dangerous situation thatcould lead to serious personal injury or fatality.

CAUTIONDraws attention to a potentially dangerous situation thatcould lead to slight personal injury or damage to theequipment or other property.

NOTEDraws attention to an instruction or other useful informa-tion.

1.2 Explanation of the pictograms and otherinformation

Warning signs

Generalwarning

Warning:electricity

Warning: hotsurface

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Obligation signs

Wear eyeprotection

Wear a hardhat

Wear earprotection

Wearprotectivegloves

Wearbreathingprotection

Symbols

Read theoperatinginstructionsbefore use

Return wastematerial forrecycling.

Chiseling Chiselposition

adjustment

Volts

Location of identification data on the power toolThe type designation can be found on the type identifica-tion plate and the serial number on the side of the motorhousing. Make a note of this data in your operating in-structions and always refer to it when making an enquiryto your Hilti representative or service department.

Type:

Generation: 01

Serial no.:

2 Description2.1 Use of the product as directedThe power tool is an electrically-powered breaker with pneumatic hammering mechanism.The power tool is designed for light chiseling on masonry and finishing work on concrete.The power tool is designed for professional use and may be operated, serviced and maintained only by trained,authorized personnel. This personnel must be informed of any special hazards that may be encountered. The powertool and its ancillary equipment may present hazards when used incorrectly by untrained personnel or when used notas directed.The working environment may be as follows: construction site, workshop, renovation, conversion or new construction.The power tool may be operated only when connected to a power supply providing a voltage and frequency incompliance with the information given on its type identification plate.Working on materials hazardous to the health (e.g. asbestos) is not permissible.Nationally applicable industrial safety regulations must be observed.To avoid the risk of injury, use only genuine Hilti accessories and insert tools.Observe the information printed in the operating instructions concerning operation, care and maintenance.Modification of the power tool or tampering with its parts is not permissible.

2.2 ChuckTE‑C (SDS plus) chuckTE‑T (SDS top) chuck

2.3 SwitchesLockable control switchFunction selector switch:

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Chisel adjustment (12 positions)Chiseling

2.4 GripsVibration-absorbing grip

2.5 LubricationOil lubrication

2.6 Active Vibration Reduction (AVR)The power tool is equipped with an AVR Active Vibration Reduction system which reduces vibration significantlycompared to power tools without AVR.

2.7 Items supplied as standard1 Power tool1 TE‑C or TE‑T chuck1 Operating instructions1 Hilti toolbox1 Cleaning cloth1 Grease

2.8 Using extension cordsUse only extension cords of a type approved for the application and with conductors of adequate cross section.The power tool may otherwise lose performance and the extension cord may overheat. Check the extension cord fordamage at regular intervals. Replace damaged extension cords.Recommended minimum conductor cross section and max. cable lengthsConductor cross section 1.5 mm² 2.0 mm² 2.5 mm² 3.5 mm²Mains voltage 100V 30 m 50 mMains voltage 110-120 V 20 m 30 m 40 mMains voltage 220-240 V 50 m 100 m

Do not use extension cords with 1.25 mm² conductor cross section.

2.9 Using extension cords outdoorsWhen working outdoors, use only extension cords that are approved and correspondingly marked for this application.

2.10 Using a generator or transformerThis power tool may be powered by a generator or transformer when the following conditions are fulfilled: The unitmust provide a power output in watts of at least twice the value printed on the type identification plate on the powertool. The operating voltage must remain within +5% and -15% of the rated voltage at all times, frequency must be inthe 50 – 60 Hz range and never above 65 Hz, and the unit must be equipped with automatic voltage regulation andstarting boost.Never operate other power tools or appliances from the generator or transformer at the same time. Switching otherpower tools or appliances on and off may cause undervoltage and / or overvoltage peaks, resulting in damage to thepower tool.

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3 Insert tools, consumablesInsert tools and accessories for the TE 300‑AVRDesignation DescriptionNeedle adaptor Option

TE‑C (SDS plus) chuckInsert tool type Width (mm) Length (mm) Width (in) Length (in)Pointed chisels 180…250 7…10"Flat chisels 15 180…250 ⁹⁄₁₆" 7…10"Wide-flat chisels 60 180…250 2³⁄₈" 7…10"Wide-flat chisels 40…80 180 1¹⁄₂…3¹⁄₈" 7"Channel chisel 20 250 ³⁄₄" 10"Mortar chisel 8…12 180 ⁵⁄₁₆…¹⁵⁄₃₂" 7"Flexible chisel 100 250 3⁷⁄₈" 10"

TE‑T (SDS top) chuckInsert tool type Width (mm) Length (mm) Width (in) Length (in)Pointed chisels 270…350 10¹⁄₂…13³⁄₄"Flat chisels 17 270…350 ⁷⁄₈" 10¹⁄₂…13³⁄₄"Wide-flat chisels 40…80 250 1¹⁄₂…3¹⁄₈" 9³⁄₄"Wide-flat chisels 60 250 2³⁄₈" 9³⁄₄"Channel chisel 25 270 1" 10¹⁄₂"Mortar chisel 8…12 250 ⁵⁄₁₆…¹⁵⁄₃₂" 9³⁄₄"Bushing tool 40 250 1¹⁄₂" 9³⁄₄"

4 Technical dataRight of technical changes reserved.

NOTEThe power tool is available in various voltage ratings. Please refer to the power tool’s type identification plate fordetails of its rated voltage and rated input power.

Power tool TE 300‑AVRWeight in accordance with EPTA procedure 01/2003 3.8 kgDimensions (L x W x H) 379 mm x 93 mm x 215 mm

Ratedvoltage 110 V 110 V 220 V 220 V 230 V 240 V

Rated powerinput

800 W 800 W 800 W 700 W 850 W 850 W

Rated currentinput

8.3 A 8.0 A 4.5 A 4.4 A 4.5 A 4.2 A

Mains fre-quency

60 Hz 50 Hz 50 Hz 60 Hz 50 Hz 50 Hz

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Ratedvoltage 110 V 110 V 220 V 220 V 230 V 240 V

Single impactenergy in ac-cordancewith EPTAprocedure05/2009

3.3 J 3.3 J 3.3 J 3.3 J 3.3 J 3.3 J

NOTEThe vibration emission level given in this information sheet has been measured in accordance with a standardised testgiven in EN 60745 and may be used to compare one tool with another. It may be used for a preliminary assessmentof exposure. The declared vibration emission level represents the main applications of the tool. However if the tool isused for different applications, with different accessories or poorly maintained, the vibration emission may differ. Thismay significantly increase the exposure level over the total working period. An estimation of the level of exposure tovibration should also take into account the times when the tool is switched off or when it is running but not actuallydoing the job. This may significantly reduce the exposure level over the total working period. Identify additional safetymeasures to protect the operator from the effects of vibration such as: maintain the tool and the accessories, keepthe hands warm, organisation of work patterns.

Additional information in accordance with EN 60745-1Triaxial vibration values (vibration vector sum) Measured in accordance with EN 60745‑2‑6Chiseling, ah, Cheq 13.5 m/s²Uncertainty (K) 1.5 m/s²

Additional information from practical operationTriaxial vibration values (vibration vector sum) Measured during practical operationUse of needle adapter on steel, ah, needle 9.5 m/s²Uncertainty (K) 1.5 m/s²

Noise information (measured in accordance with EN 60745):Typical A-weighted sound power level 102 dB (A)Typical A-weighted emission sound pressure level. 91 dB (A)Uncertainty for the given sound level 3 dB (A)

Other information about the power toolChuck TE‑C (SDS plus)Chuck TE‑T (SDS top)Protection class Protection class II (double insulated)

5 Safety instructions5.1 General Power Tool Safety Warningsa)

WARNINGRead all safety warnings and all instructions. Fail-ure to follow the warnings and instructions may resultin electric shock, fire and/or serious injury. Save allwarnings and instructions for future reference.The term “power tool” in the warnings refers toyour mains-operated (corded) power tool or battery-operated (cordless) power tool.

5.1.1 Work area safetya) Keep work area clean andwell lit. Cluttered or dark

areas invite accidents.b) Do not operate power tools in explosive atmo-

spheres, such as in the presence of flammableliquids, gases or dust. Power tools create sparkswhich may ignite the dust or fumes.

c) Keep children and bystanders away while operat-ing a power tool. Distractions can cause you to losecontrol.

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5.1.2 Electrical safetya) Power tool plugs must match the outlet. Never

modify the plug in any way. Do not use any ad-apter plugs with earthed (grounded) power tools.Unmodified plugs and matching outlets will reducerisk of electric shock.

b) Avoid body contact with earthed or groundedsurfaces, such as pipes, radiators, ranges andrefrigerators. There is an increased risk of electricshock if your body is earthed or grounded.

c) Do not expose power tools to rain or wet condi-tions. Water entering a power tool will increase therisk of electric shock.

d) Do not abuse the cord. Never use the cord forcarrying, pulling or unplugging the power tool.Keep cord away from heat, oil, sharp edges ormoving parts.Damaged or entangled cords increasethe risk of electric shock.

e) When operating a power tool outdoors, use anextension cord suitable for outdoor use. Use ofa cord suitable for outdoor use reduces the risk ofelectric shock.

f) If operating a power tool in a damp location isunavoidable, use a residual current device (RCD)protected supply. Use of an RCD reduces the riskof electric shock.

5.1.3 Personal safetya) Stay alert, watch what you are doing and use

common sense when operating a power tool. Donot use a power tool while you are tired or underthe influence of drugs, alcohol or medication. Amoment of inattention while operating power toolsmay result in serious personal injury.

b) Use personal protective equipment. Always weareye protection. Protective equipment such as dustmask, non-skid safety shoes, hard hat, or hearingprotection used for appropriate conditionswill reducepersonal injuries.

c) Prevent unintentional starting. Ensure the switchis in the off‐position before connecting to powersource and/or battery pack, picking up or carryingthe tool. Carrying power tools with your finger on theswitch or energising power tools that have the switchon invites accidents.

d) Remove any adjusting key or wrench before turn-ing the power tool on. A wrench or a key left at-tached to a rotating part of the power tool may resultin personal injury.

e) Do not overreach. Keep proper footing and bal-ance at all times. This enables better control of thepower tool in unexpected situations.

f) Dress properly. Do not wear loose clothing orjewellery. Keep your hair, clothing and glovesaway from moving parts. Loose clothes, jewelleryor long hair can be caught in moving parts.

g) If devices are provided for the connection of dustextraction and collection facilities, ensure theseare connected and properly used. Use of dustcollection can reduce dust-related hazards.

5.1.4 Power tool use and carea) Do not force the power tool. Use the correct

power tool for your application. The correct powertool will do the job better and safer at the rate forwhich it was designed.

b) Do not use the power tool if the switch does notturn it on and off. Any power tool that cannot becontrolled with the switch is dangerous and must berepaired.

c) Disconnect the plug from the power sourceand/or the battery pack from the power toolbefore making any adjustments, changingaccessories, or storing power tools. Suchpreventive safety measures reduce the risk ofstarting the power tool accidentally.

d) Store idle power tools out of the reach of chil-dren and do not allow persons unfamiliar with thepower tool or these instructions to operate thepower tool. Power tools are dangerous in the handsof untrained users.

e) Maintain power tools. Check for misalignment orbinding of moving parts, breakage of parts andany other condition that may affect the powertool’s operation. If damaged, have the power toolrepaired before use.Many accidents are caused bypoorly maintained power tools.

f) Keep cutting tools sharp and clean. Properly main-tained cutting tools with sharp cutting edges are lesslikely to bind and are easier to control.

g) Use the power tool, accessories and tool bits etc.in accordance with these instructions, taking intoaccount the working conditions and the work tobe performed. Use of the power tool for opera-tions different from those intended could result in ahazardous situation.

5.1.5 Servicea) Have your power tool servicedby aqualified repair

person using only identical replacement parts.This will ensure that the safety of the power tool ismaintained.

5.2 Hammer safety warningsa) Wear ear protectors. Exposure to noise can cause

hearing loss.b) Use auxiliary handles, if supplied with the tool.

Loss of control can cause personal injury.c) Hold power tool by insulated gripping surfaces,

when performing an operation where the cuttingaccessory may contact hidden wiring or its owncord. Cutting accessory contacting a "live" wire maymake exposed metal parts of the power tool "live"and could give the operator an electric shock.

5.3 Additional safety instructions5.3.1 Personal safetya) Always hold the power tool securely with both

hands on the grips provided. Keep the grips dry,clean and free from oil and grease.

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b) Wear a dust mask.c) Improve the blood circulation in your fingers by

relaxing your hands and exercising your fingersduring breaks between working.

d) Always lead the supply cord and extension cordaway from the power tool to the rear while work-ing. This helps to avoid tripping over the cord whileworking.

e) Children must be instructed not to play with thepower tool.

f) The power tool is not intended for use by children,by debilitated persons or thosewho have receivedno instruction or training.

g) Dust from material such as paint containing lead,some wood species, minerals and metal may beharmful. Contact with or inhalation of the dust maycause allergic reactions and/or respiratory diseasesto the operator or bystanders. Certain kinds of dustare classified as carcinogenic such as oak and beechdust especially in conjunction with additives for woodconditioning (chromate, wood preservative). Materialcontaining asbestos must only be treated by special-ists. Where the use of a dust extraction device ispossible it shall be used. To achieve a high levelof dust collection, use a suitable vacuum cleanerof the type recommended by Hilti for wood dustand/ormineral dust togetherwith this tool. Ensurethat the workplace is well ventilated. The use of adust mask of filter class P2 is recommended. Fol-low national requirements for the materials youwant to work with.

5.3.2 Power tool use and carea) Secure the workpiece. Use clamps or a vice to

secure the workpiece. The workpiece is thus heldmore securely than by hand and both hands remainfree to operate the power tool.

b) Check that the insert tools used are compatiblewith the chuck system and that they are securedin the chuck correctly.

c) In the event of a power failure or interruption in theelectric supply, switch the power tool off, unplugthe supply cord and release the switch lockbutton(if applicable). This will prevent accidental restartingwhen the electric power returns.

5.3.3 Electrical safety

a) Before beginning work, check the working area(e.g. using a metal detector) to ensure that noconcealed electric cables or gas and water pipesare present. External metal parts of the power tool

may become live, for example, when an electric cableis damaged accidentally. This presents a serious riskof electric shock.

b) Check the power tool’s supply cord at regularintervals and have it replaced by a qualified spe-cialist if found to be damaged. If the power tool’ssupply cord is damaged it must be replaced witha specially-prepared supply cord available fromHilti Customer Service. Check extension cordsat regular intervals and replace them if found tobe damaged. Do not touch the supply cord orextension cord if it is damaged while working.Disconnect the supply cord plug from the poweroutlet. Damaged supply cords or extension cordspresent a risk of electric shock.

c) Dirty or dusty power tools which have been usedfrequently for work on conductive materialsshould be checked at regular intervals at a HiltiService Center. Under unfavorable circumstances,dampness or dust adhering to the surface ofthe power tool, especially dust from conductivematerials, may present a risk of electric shock.

d) When working outdoors with an electric toolcheck to ensure that the tool is connected to theelectric supply by way of a ground fault circuitinterrupter (RCD) with a rating of max. 30 mA(tripping current). Use of a ground fault circuitinterrupter reduces the risk of electric shock.

e) Use of a ground fault circuit interrupter (RCDresidual current device) with a maximum trippingcurrent of 30 mA is recommended.

5.3.4 Work areaa) Ensure that the workplace is well lit.b) Ensure that the workplace is well ventilated. Ex-

posure to dust at a poorly ventilated workplace mayresult in damage to the health.

c) If the work involves breaking right through, takethe appropriate safety measures at the oppositeside. Parts breaking away could fall out and / or falldown and injure other persons.

5.3.5 Personal protective equipment

The user and any other persons in the vicinity mustwear suitable eye protection, a hard hat, ear protec-tion, protective gloves and breathing protection whilethe tool is in use.

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6 Before use

CAUTIONCheck the insert tool for damage or unevenwear eachtime before use.

6.1 Use of extension cords and generators ortransformers

Please refer to section 2 “Description”.

7 Operation

DANGERAlways hold the power tool securely with both handson the gripping surfaces provided. Keep the grips dry,clean and free from oil and grease.

CAUTIONUse clamps or a vice to hold the workpiece securely.

7.1 Preparing for use7.1.1 Fitting the chisel or other tool 2

CAUTIONWear protective gloves when changing insert toolsas the insert tools get hot through use and they mayhave sharp edges.

1. Disconnect the supply cord plug from the poweroutlet.

2. Check that the connection end of the chisel is cleanand lightly greased. Clean it and grease it if neces-sary.

3. Push the chisel into the chuck and rotate it whileapplying slight pressure until it engages in the guidegrooves.

4. Push the chisel further into the chuck until it is heardto engage.

5. Check that the chisel has engaged correctly bypulling it.

7.1.2 Removing the chisel 3

CAUTIONWear protective gloves when changing insert toolsas the insert tools get hot through use and they mayhave sharp edges.

1. Disconnect the supply cord plug from the poweroutlet.

2. Open the chuck by pulling back the locking sleeve.3. Pull the chisel out of the chuck.

7.1.3 Removing the chuck 4

CAUTIONWear protective gloves when changing the chuck.

1. Disconnect the supply cord plug from the poweroutlet.

2. Pull the chuck sleeve forward and hold it securely.3. Remove the chuck by pulling it away from the power

tool.

7.1.4 Fitting the chuck 5

CAUTIONWear protective gloves when changing the chuck.

1. Disconnect the supply cord plug from the poweroutlet.

2. Grip the chuck sleeve, pull it forward and hold itsecurely in this position.

3. Slide the chuck onto the guide tube from the frontand then release the sleeve.

4. Rotate the chuck until it is heard to engage.

7.2 Operation

CAUTIONWorking on the material may cause it to splinter. Weareye protection and protective gloves. Wear breathingprotection if no dust removal system is used. Splin-tering material presents a risk of injury to the eyes andbody.

CAUTIONThe work generates noise.Wear ear protectors. Expos-ure to noise can cause hearing loss.

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7.2.1 Chiseling 6

NOTEWorking at low temperatures: The hammering mech-anism works only when the power tool has reached aminimum operating temperature. Bring the chisel intocontact with the base material and allow the power toolto run under no load until the minimum operating tem-perature is reached. If necessary, repeat this procedureuntil the hammering mechanism begins to operate.

NOTEThe chisel can be adjusted to 12 different positions(in 30° increments). This ensures that flat chisels andshaped chisels can always be set to the optimumworkingposition.

7.2.1.1 Chisel position adjustmentCAUTIONDo not operate the power tool with the switch set tothis position.

1. Turn the function selector switch until it engages inthe “Chisel adjustment” position. Do not operate thefunction selector switch while the motor is running.

2. Rotate the chisel to the desired position.

7.2.1.2 Locking the chiselTurn the function selector switch to the “Chiseling” posi-tion and rotate the chisel until it engages. Do not operatethe function selector switch while the motor is running.

7.2.1.3 Chiseling1. Plug the supply cord into the power outlet.2. Position the tip of the chisel at the point where

chiseling is to begin.3. Press the control switch fully.

7.2.2 Operation with the needle adapter (optional)CAUTIONThe needle adaptor is for use only with the TE 300-AVR.

NOTEWorking at low temperatures: The hammering mech-anism works only when the power tool has reached aminimum operating temperature. Bring the chisel intocontact with the base material and allow the power toolto run under no load until the minimum operating tem-perature is reached. If necessary, repeat this procedureuntil the hammering mechanism begins to operate.

NOTEApply moderate pressure. Insufficient pressure reducesthe life of the part. It must always remain in contact withthe working surface.

7.2.2.1 Fitting the needle adaptor 7

CAUTIONWear protective gloves when fitting the needle ad-aptor. You could pinch your fingers.

1. Disconnect the supply cord plug from the poweroutlet.

2. Grip the sleeve on the needle adaptor, pull it forwardand hold it securely in this position.

3. Slide the needle adaptor onto the guide tube fromthe front and then release the sleeve.

4. Rotate the needle adaptor until it is heard to engage.

7.2.2.2 Removing the needle adaptor 8

CAUTIONWear protective gloves when changing insert toolsas the insert tools get hot through use and they mayhave sharp edges.

1. Disconnect the supply cord plug from the poweroutlet.

2. Pull the sleeve on the needle adaptor forward andhold it securely.

3. Remove the needle adaptor by pulling it away fromthe power tool.

7.2.2.3 Selecting / adjusting the needle guide 9

CAUTIONWear protective gloves when changing insert toolsas the insert tools get hot through use and they mayhave sharp edges.

NOTEThe needle guide is interchangeable and adjustable.Round or oval versions are available for working onsurfaces, edges or corners.

1. Release the wing nut on the guide sleeve.2. Adjust the length of projection of the needles.3. Tighten the wing nut on the guide sleeve.

7.2.2.4 Changing the needle cage and needles 10

CAUTIONWear protective gloves when changing insert toolsas the insert tools get hot through use and they mayhave sharp edges.

NOTEThe spring pre-tensioner separates the needle holderfrom the locking mechanism. The needles can be re-placed individually or as a complete set.

1. Place the needle adaptor on a solid surface with theneedles facing upwards.

2. Press the housing firmly against the sleeve andtwist it in a counterclockwise direction relative tothe sleeve.

3. Change the needle cage or the needles.4. Press the needle holder firmly against the sleeve

and twist it in a clockwise direction relative to thesleeve.

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8 Care and maintenanceCAUTIONDisconnect the mains plug from the power outlet.

8.1 Care of insert toolsClean off dirt and dust deposits adhering to the inserttools and protect them from corrosion by wiping theinsert tools from time to time with an oil-soaked rag.

8.2 Care of the power toolCAUTIONKeep the power tool, especially its grip surfaces,clean and free from oil and grease. Do not use clean-ing agents which contain silicone.

The outer casing of the power tool is made from impact-resistant plastic. Sections of the grip are made from asynthetic rubber material.Never operate the power tool when the ventilation slotsare blocked. Clean the ventilation slots carefully usinga dry brush. Do not permit foreign objects to enter theinterior of the power tool. Clean the outside of the power

tool at regular intervals with a slightly damp cloth. Donot use a spray, steam pressure cleaning equipment orrunning water for cleaning. This may negatively affect theelectrical safety of the power tool.

8.3 MaintenanceWARNINGRepairs to the electrical section of the power tool maybe carried out only by trained electrical specialists.

Check all external parts of the power tool for damageat regular intervals and check that all controls operatefaultlessly. Do not operate the power tool if parts aredamaged or when the controls do not function faultlessly.If necessary, the power tool should be repaired by HiltiService.

8.4 Checking the power tool after care andmaintenance

After carrying out care and maintenance work on thepower tool, check that all protective and safety devicesare fitted and that they function faultlessly.

9 TroubleshootingFault Possible cause RemedyThe power tool doesn’t start. Interruption in the electric supply. Plug in another electric appliance and

check whether it works.The supply cord or plug is defective. Have it checked by a trained electrical

specialist and replaced if necessary.Other electrical fault. Have it checked by a trained electrical

specialist.The carbon brushes are worn. Have it checked by a trained electrical

specialist and replaced if necessary.No hammering action. The power tool is too cold. Allow the power tool to warm up to

the minimum operating temperature.See section: 7.2.1 Chiseling 6

The power tool doesn’t achievefull power.

The extension cord is too long or itsgauge is inadequate.

Use an extension cord of anapproved length and / or of adequategauge.

The control switch is not pressedfully.

Press the control switch as far as itwill go.

The chisel can’t be releasedfrom the chuck.

The chuck is not pulled back fully. Pull the chuck back as far as it will goand remove the insert tool.

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10 Disposal

Most of the materials from which Hilti power tools or appliances are manufactured can be recycled. The materialsmust be correctly separated before they can be recycled. In many countries, Hilti has already made arrangements fortaking back your old power tools or appliances for recycling. Please ask your Hilti customer service department orHilti representative for further information.

For EC countries onlyDisposal of electric tools together with household waste is not permissible.In observance of the European Directive on waste electrical and electronic equipment and its imple-mentation in accordance with national law, electrical appliances that have reached the end of their lifemust be collected separately and returned to an environmentally compatible recycling facility.

11 Manufacturer’s warranty - toolsHilti warrants that the tool supplied is free of defects inmaterial and workmanship. This warranty is valid so longas the tool is operated and handled correctly, cleanedand serviced properly and in accordance with the HiltiOperating Instructions, and the technical system is main-tained. This means that only original Hilti consumables,components and spare parts may be used in the tool.

This warranty provides the free-of-charge repair or re-placement of defective parts only over the entire lifespanof the tool. Parts requiring repair or replacement as aresult of normal wear and tear are not covered by thiswarranty.

Additional claims are excluded, unless stringent na-tional rules prohibit such exclusion. In particular, Hiltiis not obligated for direct, indirect, incidental or con-sequential damages, losses or expenses in connec-tion with, or by reason of, the use of, or inability touse the tool for any purpose. Implied warranties ofmerchantability or fitness for a particular purpose arespecifically excluded.

For repair or replacement, send the tool or related partsimmediately upon discovery of the defect to the addressof the local Hilti marketing organization provided.

This constitutes Hilti’s entire obligation with regard towarranty and supersedes all prior or contemporaneouscomments and oral or written agreements concerningwarranties.

12 EC declaration of conformity (original)Designation: BreakerType: TE 300‑AVRGeneration: 01Year of design: 2008

We declare, on our sole responsibility, that this product complies with the following directives and standards:EN 60745‑1, EN 60745‑2‑6, 2004/108/EC, 2000/14/EC, 2006/42/EC, 2011/65/EU, EN ISO 12100.

Measured sound power level, LWA 102 dB/1pWGuaranteed sound power level, LWAd 105 dB/1pWConformity assessment procedure 2000/14/EC annex VIAuthorized assessment office (0044) TÜV NORD CERT GmbH

Hannover officeAm TÜV 1

30519 HannoverGermany

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Hilti Corporation, Feldkircherstrasse 100, FL‑9494 Schaan

Paolo Luccini Jan DoongajiHead of BA Quality and Process Management Executive Vice PresidentBusiness Area Electric Tools & Accessories Business Unit Power Tools & Accessories01/2012 01/2012

Technical documentation filed at:Hilti Entwicklungsgesellschaft mbHZulassung ElektrowerkzeugeHiltistrasse 686916 KauferingDeutschland

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Hilti CorporationLI-9494 SchaanTel.: +423 / 234 21 11Fax:+423 / 234 29 65www.hilti.com

Hilti = registered trademark of Hilti Corp., Schaan W 3645 | 0613 | 00-Pos. 1 | 1 Printed in Germany © 2013Right of technical and programme changes reserved S. E. & O. 401136 / A3

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