Hilti 3482498 Use and Care Manual
Contents
1. mm Operating instructions en Mode d emploi fr Manual de instrucciones es This Product is Certified Ce produit est certifi Este producto esta certificado Este produto est certificado c Bus 18 Volt Li lon 18 Volt Li Ion 2 6 Ah 2 6 Ah ORIGINAL OPERATING INSTRUCTIONS TE 4 A18 Cordless rotary hammer It is essential that the operating instructions are read before the power tool is operated for the first time Always keep these operating instructions together with the power tool Ensure that the operating instructions are with the power tool when it is given to other persons Contents General information Description Insert tools accessories Technical data Safety instructions Before use Operation Care and maintenance Troubleshooting 12 Disposal 13 Manufacturer s warranty tools 14 Page EE lololole elmIi oe do oo NI oaan eA oN k 1 General information El These numbers refer to the corresponding illustra tions The illustrations can be found on the fold out cover pages Keep these pages open while studying the operating instructions In these operating instructions the designation the power tool always refers to the TE 4 A18 cordless rotary hammer Components operating controls and indicators D Chuck 2 Function selector switch 3 Forward reverse switch Control2. Charge the battery fully before using it for the first time In order to achieve maximum battery life stop dis charging the battery as soon as a significant drop in performance is noticed NOTE If use of the power tool continues further battery discharge will be stopped automatically before the battery cells suffer damage Charge the battery with the Hilti charger approved for use with Li ion batteries NOTE A conditioning charge as is required with NiCd or NiMH batteries is not necessary Interruption of the charging procedure has no neg ative effect on battery life Charging can be started at any time with no negative effect on battery life There is no memory effect as with NiCd or NiMH batteries For best results batteries should be stored fully charged in a cool dry place Avoid charging the battery in places subject to high ambient temperatures e g at a window as this has an adverse effect on battery life and increases the rate of self discharge If the battery no longer reaches full charge it may have lost capacity due to aging or overstressing It is possible to continue working with a battery in this condition but it should be replaced in good time 8 5 Maintenance WARNING Repairs to the electrical section of the power tool may be carried out only by trained electrical spe cialists Check all external parts of the power tool for damage at regular intervals and check that all controls opera
3. 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 bal ance 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 9 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 5 1 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 Disconnect the plug from the power source and or the battery pack from the power tool before making any adjustments changing ac cessories or storing power tools Such preven tive safety measures reduce the risk of starting the power tool accidentally d Store idle power tools out of the reach of chi
4. instructions NOTE The safety rules in section 5 1 contain all general safety rules for power tools which in accordance with the applicable standards must be listed in the operating instructions Accordingly some of the rules listed may not be relevant to this tool 5 1 General power tool safety warnings a WARNING Read all safety warnings and in structions Failure to follow the warnings and in structions may result in electric shock fire 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 5 1 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 atmo spheres such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes c Keep children and bystanders away while oper ating a power tool Distractions can cause you to lose control 5 1 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
5. manufactured can be recycled The materials must be correctly separated before they can be recycled In many countries Hilti has already made arrangements for taking back your old power tools or appliances for recycling Please ask your Hilti customer service department or Hilti representative for further information 13 11 Manufacturer s warranty tools Hilti warrants that the tool supplied is free of defects in material and workmanship This warranty is valid so long as the tool is operated and handled correctly cleaned and serviced properly and in accordance with the Hilti Operating Instructions and the technical system is maintained 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 replacement of defective parts only over the entire lifespan of the tool Parts requiring repair or replace ment as a result of normal wear and tear are not covered by this warranty Additional claims are excluded unless stringent na tional rules prohibit such exclusion In particular Hilti is not obligated for direct indirect inciden tal or consequential damages losses or expenses in connection with or by reason of the use of or inability to use the tool for any purpose Im plied warranties of merchantability or fitness for a particular purpose are specifically excluded For repair or replacement send the tool or related parts im
6. switch 5 Battery release button 2 buttons 8 Battery 7 Grip Side handle with depth gauge 1 1 Safety notices and their meaning DANGER Draws attention to imminent danger that could lead to serious bodily injury or fatality WARNING Draws attention to a potentially dangerous situation that could lead to serious personal injury or fatality CAUTION Draws attention to a potentially dangerous situation that could lead to slight personal injury or damage to the equipment or other property NOTE Draws attention to an instruction or other useful information 1 2 Explanation of the pictograms and other information Warning signs AAA General warning Warning electricity Warning caustic substances Obligation signs Location of identification data on the power tool z The type designation can be found on the type iden ee tification plate and the serial number on the side of Ny the motor housing Make a note of this data in your li operating instructions and always refer to it when Wear eye Wear a hard Wear ear Wear protection hat protection protective making an enquiry to your Hilti representative or gloves service department Type Generation 01 Wear breathing Serial no protection Symbols Read the Return waste Drilling Hammer operating material for without drilling instructions recycling hammering before use V IZZ no min Volts Direct current Rated speed Revo
7. and body Avoid prolonged contact with dust Wear protective clothing and wash exposed areas with soap and water Allowing dust to get into your mouth eyes orto remain on your skin may promote absorption of harmful chemicals 5 2 2 Careful use of the power tool a Secure the workpiece Use clamps or a vice to secure the workpiece The workpiece is thus held more securely than by hand and both hands remain free to operate the power tool b Check that the insert tools used are compatible with the chuck system and that they are secured in the chuck correctly 5 2 3 Careful use of the cordless tool a Ensure the switch is in the off position before inserting battery pack Inserting the battery pack into power tools that have the switch on invites accidents b Observe the special instructions applicable to the transport storage and use of Li ion batteries c Do not expose batteries to high temperatures or fire This presents a risk of explosion d Batteries must not be opened or dismantled squashed heated to temperatures over 100 C or incinerated A risk of fire explosion or in jury through contact with caustic substances may otherwise result e Do not use batteries other than those approved for use with the applicable power tool or appli ance Use of other batteries or use of the battery for purposes for which it is not intended presents a risk of fire and explosion f Do not charge or continue to use damaged bat ter
8. arge status is not possible while the power tool is in operation or immediately after operation If the battery charge status LEDs blink please refer to the information given in section 9 3 Insert tools accessories Hammer drill bits 5 16 mm 3 16 to s Anchor setting tools Quick release chuck for wood and metal drill bits Keyed chuck Wood drill bits Wood drill bits auger bits C type connection end With smooth shank hexagonal shank With smooth shank hexagonal shank 3 20 mm s to 34 0 Max 14 mm max 16 Metal drill bits for steel 3 10 mm to 9 8 Charger for Li ion batteries C 4 36 Charger for Li ion batteries C 4 36 ACS Charger for Li ion batteries C 4 36 ACS TPS Battery B 18 2 6 Li ion 4 Technical data Right of technical changes reserved Power tool Rated voltage DC voltage Weight of power tool Dimensions L x W x H Drilling speed without hammering TE 4 A18 21 6 V 3 3 kg 7 28 Ib 324 mm 12 76 x 94 mm 3 7 x 201 mm 7 91 1 050 min Hammer drilling speed 945 min No load speed in hammer drill mode 1 090 min Single impact energy 2 0 J Other information about the power tool Chuck TE C Click Battery B 18 2 6 Li ion Rated voltage 21 6 V Capacity 2 6 Ah Energy capacity 56 16 Wh Weight 0 78 kg 1 72 Ib Type of cell Li ion Temperature monitoring NTC Deep discharge protection 5 Safety
9. ate The power tool is too cold The function selector switch is set to Drilling without hammering The forward reverse switch is set to reverse rotation The forward reverse switch is in the middle position transport lock engaged The permissible operating tempera ture of the power tool s electronics has been exceeded Allow the power tool to warm up to the minimum operating temperature See section 7 2 1 Working at low temperatures Set the function selector switch to Hammer drilling Set the forward reverse switch to forward rotation Push the forward reverse switch to the left or right Allow the power tool to cool down The permissible battery operating temperature has been exceeded Bring the battery to the recom mended working temperature The battery is discharged Change the battery and recharge the discharged battery The power tool switches itself off automatically The overload cut out has been activated Release the control switch reduce the load on the power tool and then press the switch again Fault Possible cause Remedy The battery runs down more Battery condition is not optimal Have battery condition diagnosed quickly than usual by Hilti Service or replace with a new battery The battery doesn t engage The retaining lugs on the battery are Clean the retaining lugs and check with an audible double click dirty that the battery engages securely Con
10. chine is in use 6 1 Battery use and care NOTE Battery performance drops at low temperatures Never use the battery until the cells become fully discharged Change to the second battery as soon as a drop in performance is noticed Recharge the battery immediately so that it is ready for reuse Store the battery in a cool dry place Never store the battery where it is exposed to direct sunlight or sources of heat e g on heaters radiators or behind a motor vehicle windscreen Batteries that have reached the end of their life must be disposed of safely and correctly to avoid environmental pollution 6 2 Charging the battery A A A DANGER Use only the Hilti batteries and Hilti chargers listed under Accessories 6 2 1 Charging a new battery for the first time Charge the battery fully before using it for the first time 6 2 2 Charging a previously used battery Ensure that the outer surfaces of the battery are clean and dry before inserting it in the corresponding charger For information about the charging process read the operating instructions for the charger and section 2 10 Charge status of the Li ion battery in these operating instructions Li ion batteries are ready for use at any time even when only partly charged Charging progress is in dicated by the LED display see charger operating instructions 6 3 Fitting the battery CAUTION Before fitting the battery check that the power tool is s
11. eck that the connection end of the insert tool is clean and lightly greased Clean it and grease it if necessary 8 2 Care of the power tool CAUTION Keep the power tool especially its grip surfaces clean and free from oil and grease Do not use cleaning agents which contain silicone The outer casing of the power tool is made from impact resistant plastic Sections of the grip are made from a synthetic rubber material Never operate the power tool when the ventilation slots are blocked Clean the ventilation slots carefully using a dry brush Do not permit foreign objects to enter the interior of the power tool Clean the outside of the power tool at regular intervals with a slightly damp cloth Do not use a spray steam pressure cleaning equipment or running water for cleaning This may negatively affect the electrical safety of the power tool 8 3 Cleaning or replacing the dust shield Clean the dust shield on the chuck with a dry clean cloth at regular intervals Clean the sealing lip by wiping it carefully and then grease it again lightly with Hilti grease lt is essential that the dust shield is replaced if the sealing lip is found to be damaged Push the tip of a screwdriver under the edge of the dust shield and prise it out toward the front Clean the area of the chuck in contact with dust shield and then fit a new dust shield Press it in firmly until it engages 8 4 Care of the Li ion battery Avoid entrance of moisture
12. ed control switch for smooth starting Function selector switch Forward reverse switch 2 4 Grips Pivotable side handle with depth gauge Grip 2 5 Protective features Mechanical slip clutch Electronic overload protection 2 6 Additional electronic features of the power tool The power tool is equipped with electronic overload protection The power tool switches off automatically in the event of overloading When the control switch is released and then pressed again the power tool immediately regains full power In addition the temperature of the power tool s electronics is monitored to ensure extra long life In the event of the electronics overheating the drive spindle will not rotate even when the control switch is pressed fully The power tool can be used again as soon as the temperature is within the permissible range 2 7 Lubrication Permanent lubrication grease 2 8 Items supplied as standard 1 Power tool Side handle with depth gauge Operating instructions Hilti toolbox optional Cleaning cloth optional Grease optional ao 2 9 Additional items required for operating the tool B 18 2 6 Li ion battery C 4 36 ACS C 4 36 ACS TPS or C 4 36 charger 2 10 Li ion battery charge status LEDs light constantly LEDs blink Charge status C LED 1 2 3 4 01175195 IEDENE2IS 50 96 S C lt 75 LED 1 2 25 96 S C lt 50 9o LED 1 1096 S C lt 25 LED 1 C lt 10 NOTE Indication of the ch
13. ies e g batteries with cracks broken parts bent or pushed in and or pulled out contacts 9 Avoid short circuiting the battery Check that the terminals on the battery and in the power tool are free from foreign objects before inserting the battery in the power tool Short circuiting the battery terminals presents a risk of fire explosion and chemical burns h Avoid ingress of dampness Dampness may cause a short circuit resulting in a risk of burning injury or fire 5 2 4 Electrical safety A Before beginning work check the working area e g using a metal detector to ensure that no concealed electric cables or gas and water pipes are present External metal parts of the power tool may become live for example when an electric cable is damaged accidentally This presents a serious risk of electric shock 5 2 5 Work area safety a Ensure that the workplace is well lit b Ensure that the workplace is well ventilated Exposure to dust at a poorly ventilated workplace may result in damage to the health c Ifthe work involves breaking right through take the appropriate safety measures at the opposite side Parts breaking away could fall out and or fall down and injure other persons 6 Before use 5 2 6 Personal protective equipment 0000 The user and any other persons in the vicinity must wear ANSI Z87 1 approved eye protection a hard hat ear protection protective gloves and breathing protection while the ma
14. ldren 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 affect 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 9 Usethe 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 1 5 Battery tool use and care a 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 b Use powertools only with specifically designated battery packs Use of any other battery packs may create a risk of injury and fire c 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 toge
15. lutions under no load per minute O Diameter Forward reverse 2 Description 2 1 Use of the product as directed The TE 4 A18 is a hand held cordless rotary hammer for drilling in concrete masonry steel and wood and for driving and removing screws Use only the batteries and chargers recommended by Hilti The power tool may be used only in a dry environment Do not use the power tool where there is a risk of fire or explosion Working on materials hazardous to the health e g asbestos is not permissible 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 power tool and its ancillary equipment may present hazards when used incorrectly by untrained personnel or when used not as directed The working environment may be as follows construction site workshop renovation conversion or new construction Modification of the power tool or tampering with its parts is not permissible Do not use the battery as a power source for other unspecified appliances 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 Nationally applicable industrial safety regulations must be observed en 2 2 Chuck TE C CLICK chuck 2 3 Switches Spe
16. mediately upon discovery of the defect to the address of the local Hilti marketing organization provided This constitutes Hilti s entire obligation with regard to warranty and supersedes all prior or contempo raneous comments and oral or written agreements concerning warranties 160601 ml Ti
17. ng E 10 1 Setthe forward reverse switch to the forward position before beginning drilling 2 Turn the function selector switch until it engages in the Drilling without hammering position Do not operate the function selector switch while the motor is running 3 Bring the side handle into the desired position and check that it is fitted correctly and secured 4 Insert the battery 5 Position the power tool and drill bit at the point where the hole is to be drilled 6 Press the control switch slowly drill at a low speed until the drill bit centers itself in the hole 7 Press the control switch fully to continue drilling with full power 8 Adjust the pressure applied to the power tool according to the material you are working on This will ensure the optimum rate of drilling progress 7 2 4 Hammer drilling EX 1 1 1 Setthe forward reverse switch to the forward position before beginning drilling 2 Turn the function selector switch until it engages in the Hammer drilling position Do not operate the function selector switch while the motor is running 3 Bring the side handle into the desired position and check that it is fitted correctly and secured 4 Insert the battery 5 Position the power tool and drill bit at the point where the hole is to be drilled 6 Press the control switch slowly drill at a low speed until the drill bit centers itself in the hole 7 Press the control switch fully
18. osition at the workpiece Touching rotating parts especially rotating insert tools may lead to injury h Activate the safety lock forward reverse switch in the middle position before storing or trans porting the power tool i When restarting after the electronic overload protection system has switched the tool off care must be taken to ensure that the power tool is held securely with both hands on the grips provided j Children must be instructed not to play with the appliance k The appliance is not intended for use by chil dren by debilitated persons or those who have received no instruction or training WARNING Some dust created by grinding sand ing cutting and drilling contains chemicals known to cause cancer birth defects infertil ity or other reproductive harm or serious and permanent respiratory or other injury Some ex amples of these chemicals are lead from lead based paints crystalline silica from bricks con crete and other masonry products and natural stone arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce exposure to these chemi cals the operator and bystanders should work in a well ventilated area work with approved safety equipment such as respiratory protection appropriate for the type of dust generated and designed to filter out microscopic particles and direct dust away from the face
19. ring for use 7 1 1 Fitting the insert tool CAUTION Wear protective gloves when changing the insert tool 1 Set the forward reverse switch to the middle position or remove the battery from the power tool 2 Check that the connection end of the insert tool is clean and lightly greased Clean it and grease it if necessary 3 Check that the sealing lip of the dust shield is clean and in good condition Clean the dust shield if necessary or replace it if the sealing lip is found to be damaged please refer to the Care and maintenance section 4 Push the insert tool into the chuck and rotate it while applying slight pressure until it engages in the guide grooves 5 Push the insert tool into the chuck until it is heard to engage 6 Check that the insert tool has engaged correctly by pulling it 7 1 2 Adjusting the depth gauge side handle El 1 Release the side handle clamping band by turning the handle counterclockwise 2 Pivot the side handle into the desired position 3 Adjust the depth gauge to the desired drilling depth 4 Tighten the side handle securely by turning the grip section This also clamps the depth gauge in position 7 1 3 Removing the insert tool CAUTION Wear protective gloves when changing insert tools as the insert tool will get hot during use 1 Set the forward reverse switch to the middle position or remove the battery from the power tool 2 Open the chuck by pulling back the ch
20. shock if your body is earthed or grounded Do not expose power tools to rain or wet con ditions 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 5 1 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 influence of drugs alcohol or medication 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
21. tact Hilti Service if the problem persists The power tool or the battery Electrical fault Switch the power tool off imme gets very warm diately remove the battery and contact Hilti Service The power tool has been overloaded Use the right power tool for the job application limits exceeded don t use a low powered tool for heavy work The insert tool can t be The chuck is not pulled back fully Pull the chuck back as far as it will released go and remove the cutting tool The tool makes no progress The forward reverse switch is setto Set the forward reverse switch to reverse rotation forward rotation 10 Disposal CAUTION Improper disposal of the equipment may have serious consequences The burning of plastic components generates toxic fumes which may present a health hazard Batteries may explode if damaged or exposed to very high temperatures causing poisoning burns acid burns or environmental pollution Careless disposal may permit unauthorized and improper use of the equipment This may result in serious personal injury injury to third parties and pollution of the environment CAUTION Dispose of defective batteries without delay Keep them out of reach of children Do not attempt to open or dismantle batteries and do not dispose of them by incineration CAUTION Dispose of the batteries in accordance with national regulations or return them to Hilti Most of the materials from which Hilti power tools or appliances are
22. te faultlessly Do not operate the power tool if parts are damaged or when the controls do not function faultlessly If necessary the power tool should be repaired by Hilti Service 8 6 Checking the power tool after care and maintenance After carrying out care and maintenance work on the power tool check that all protective and safety devices are fitted and that they function faultlessly 9 Troubleshooting Fault Possible cause Remedy The power tool doesn t run The power tool doesn t run and 1 LED blinks The battery is discharged or fitted incorrectly The battery must be heard to engage with a double click or respectively needs to be charged Electrical fault Remove the battery from the power tool and contact Hilti Service The battery is too hot or too cold The battery is discharged Bring the battery to the recom mended working temperature Change the battery and recharge the discharged battery The battery is too hot or too cold Bring the battery to the recom mended working temperature The power tool doesn t run and all 4 LEDs blink The powertool has been overloaded The overheating prevention cut out has been activated Release the control switch and press it again Allow the power tool to cool down Clean the ventilation slots No hammering action The control switch can t be pressed i e the switch is locked The drive spindle doesn t rot
23. ther may cause burns or a fire d Under abusive conditions liquid may be ejected from the battery avoid contact If contact ac cidentally occurs flush with water If liquid contacts eyes additionally seek medical help Liquid ejected from the battery may cause irritation or burns 5 1 6 Service a Have your power tool serviced by a qualified repair person using only identical replacement parts This will ensure that the safety of the power tool is maintained 5 2 Additional safety rules 5 2 1 Personal safety a Wear ear protectors Exposure to noise can cause hearing loss b Use auxiliary handle s if supplied with the tool Loss of control can cause personal injury c 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 d Always hold the power tool securely with both hands on the grips provided Keep the grips dry clean and free from oil and grease e Breathing protection must be worn if the power tool is used without a dust removal system for work that creates dust f Improve the blood circulation in your fingers by relaxing your hands and exercising your fingers during breaks between working 9 Avoid touching rotating parts Switch the power tool on only after bringing it into p
24. to continue drilling with full power 8 Adjust the pressure applied to the power tool according to the material you are working on This will ensure the optimum rate of drilling progress 9 Reduce drilling speed shortly before breaking through in order to avoid spalling 7 2 5 Reading the charge status LED display on Li ion batteries 12 NOTE The charge status cannot be indicated while the power tool is in operation LED 1 blinks when the battery is fully discharged or when it is too hot temperature above 80 C The battery must then be inserted in the charger If all 4 LEDs blink this indicates that the power tool has been overloaded or has overheated The Li ion battery features a charge status LED dis play The charge status is indicated by the LEDs on the battery during charging please refer to the operating instructions for the charger When the battery is not in use pressing one of the battery release buttons or inserting the battery into the power tool causes the battery charge status to be displayed by the four LEDs for three seconds See section 2 10 Li ion battery charge status 8 Care and maintenance CAUTION Before beginning cleaning remove the battery from the power tool in order to prevent unintentional starting 8 1 Care of insert tools Clean off dirt and dust deposits adhering to the insert tools and protect them from corrosion by wiping the insert tools from time to time with an oil soaked rag Ch
25. uck release sleeve 3 Pull the insert tool out of the chuck 7 2 Operation AN CAUTION Working on the material may cause it to splinter Wear eye protection and protective gloves Wear breathing protection if no dust removal system is used Splintering material presents a risk of injury to the eyes and body CAUTION The work generates noise Wear ear protectors Exposure to noise can cause hearing loss 7 2 1 Working at low temperatures NOTE The hammering mechanism works only when the power tool has reached a minimum operating tem perature Bring the drill bit briefly into contact with the base material while allowing the power tool to run under no load until the minimum operating temperature is reached If necessary repeat this procedure until the hammering mechanism begins to operate 7 2 2 Forward reverse NOTE The forward reverse switch is used to select the direction of rotation of the drive spindle An interlock prevents switching while the motor is running The control switch is locked when the forward reverse switch is in the middle position For forward rotation push the forward reverse switch on the side of the power tool toward the chuck in the direction of the arrow For reverse rotation push the forward reverse switch on the side of the power tool toward the grip in the direction of the arrow Bring the forward reverse switch into the desired position 7 2 3 Drilling without hammeri
26. witched off and that the safety lock is engaged forward reverse switch in the middle position Use only the Hilti batteries approved for use with this power tool 1 Push the battery into the power tool from the rear until it is heard to engage with a double click 2 CAUTION A falling battery may present a risk of injury to yourself or others Check that the battery is seated securely in the power tool 6 4 Removing the battery 1 Press both battery release buttons 2 Pull the battery out of the power tool toward the rear 6 5 Fitting the side handle EJ 1 Set the forward reverse switch to the middle position or remove the battery from the power tool 2 Release the side handle clamping band by turning the handle counterclockwise 3 Remove the depth gauge from the side handle in order to avoid injury 4 Slide the side handle clamping band over the chuck and onto the shaft 5 Pivot the side handle into the desired position 6 Fit the depth gauge and secure the side handle in the desired position by turning the grip firmly until tight 7 Operation CAUTION In the event of the drill bit sticking the power tool will pivot about its own axis Always use the power tool with the side handle fitted and hold it securely with both hands so that the resulting opposing force causes the slip clutch to release in the event of the drill bit sticking Use clamps or a vice to hold the workpiece securely 7 1 Prepa
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