HILTI WSJ 750 User's Manual
Contents
1. WSJ 750 850 Bedienungsanleitung de Operating instructions en Mode d emploi fr 4 Ce WSJ 750 ET WSJ 850 ET oO WSJ 750 ET WSJ 750 EB WSJ 850 ET WSJ 850 EB orbital action jig saw and WSJ DRS dust removal system It is essential that the operating instructions MIME AE are read before the tool is operated for the first time Always keep these operating instructions together with the tool Ensure that the operating instructions are with the tool when it is given to other persons Operating controls and parts EM On off switch 2 Lockbutton only WSJ 750 ET and WSJ 850 ET 3 Ventilation slots Stroke rate adjustment thumbwheel Dust removal system connector 6 Baseplate Orbital action adjustment lever Baseplate locking screw 9 Guide roller saw blade insert tools Guard 2 Blade holder 3 Saw blade release lever Dust removal hood 5 Low friction baseplate cover 9 Anti splinter insert Contents Page 1 General information 13 2 Description 14 3 Tools and accessories 14 4 Technical data 15 5 Safety precautions 16 6 Before use 18 7 Operation 19 8 Care and maintenance 20 9 Troubleshooting 21 10 Disposal 22 11 Warranty 22 12 EC declaration of conformity 23 1 1 Signal words and their meaning CAUTION Used to draw attention to a potentially dangerous situa tion which could lead to minor personal injury or dam age2. CAUTION e The cutting edges of the saw blade are sharp e The cutting edges may present a risk of injury e Wear protective gloves CAUTION e Thesawing operation swirls up dust and wood chips into the air e The dust and wood chips may be harm ful to the eyes and respiratory system e Wear protective goggles and breath ing protection CAUTION e Operation of the tool creates noise e Excessive noise may damage the hear In0 e Wear ear protection 7 1 System NOTE e To achieve good cutting performance and ease the load on the tool always use blades that are in good condition e Do not overload the tool CAUTION e When working with the tool always guide it away from the body e Liftthe tool away from the workpiece only after the blade has come to a standstill 19 e Lay the tool down only after the blade has come to a standstill CAUTION e Ihe saw blade becomes hot during long periods of use e There is a risk of burning if the blade is touched Wear protective gloves 7 2 Switching on off 7 2 1 On off switch WSJ 750 ET WSJ 850 ET Plug the supply cord into the electric socket Switch the tool on by pressing the on off switch Switching on Press the on off switch Switching off Release the on off switch Sustained operation N Press the on off switch and then press the switch lockbutton Switching off Pres
3. gripping and pulling it 6 3 Changing the saw blade EJ NOTE When changing the saw blade hold the tool in such a way that persons or animals cannot be injured by the saw blade as it is ejected 1 Unplug the supply cord from the electric socket 2 Press the saw blade release lever to the side as far as it will go The saw blade is then released and ejected 6 4 Dust removal using an external dust removal system NOTE Use of a dust removal system reduces exposure to dust increases safety at the workplace by ensuring better vis 18 ibility of the cutting line and helps to keep the workplace tidy by greatly reducing the amount of dust and wood chips in the working area Connect the external dust removal system before work ing with the tool for long periods when cutting wood or other materials that may cause considerable dust The dust removal hood must be fitted when the tool is being used with a dust removal system 6 4 1 Connecting the system El 1 Unplug the supply cord from the electric socket 2 Fitthe dust removal adaptor into the opening on the tool 3 Push the dust removal adaptor toward the tool from below until it engages 4 Connect the vacuum cleaner hose to the dust removal adaptor 6 4 2 Disconnecting the system 1 Unplug the supply cord from the electric socket 2 Disconnect the vacuum cleaner hose from the dust removal adaptor 3 Push the dust removal adaptor downwards and pull it out of t
4. to the equipment or other property NOTE Used to draw attention to an instruction or other useful information 1 2 Pictograms Warning signs Warning hot surface Warning electricity General warning Obligation signs WIN N y NN da Wear Wear eye ear protection protection lt Wear breathing protection Wear protective gloves Symbols MU Read the operating instructions before use E 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 oper ating instructions In these operating instructions the WSJ 750 ET WSJ 750 EB WSJ 850 ET WSJ 850 EB orbital action jig Saw Is referred to as the tool Location of identification data on the tool The type designation and serial number can be found on the rating plate on the tool Make a note of this data in your operating instructions and always refer to it when making an enquiry to your Hilti representative or service department Type Serial no 2 Description 2 1 Correct use The tool is an electrically powered orbital action jig saw for cutting wood plastic metal plasterboard drywall panel and fiberboard It is designed for professional US6 The working environment may be a construction site workshop occupied living accommodation or other work space and the work carried out may include construc tion re
5. 201 mm 256x75x194 mm Stroke rate 900 3000 1 min 900 3000 1 min 900 3000 1 min 900 3000 1 min Stroke 28 mm 28 mm 28 mm 28 mm Max cutting depth in wood up to 120 mm up to 120 mm up to 150 mm up to 150 mm Max cutting depth in aluminium upto 25 mm upto 25mm upto 25mm upto 25mm Max cutting depth in mild steel upto 10mm upto 10mm upto 10mm upto 10mm Angular cutting left right 0 45 0 45 0 45 0 45 Number of orbital action settings 0 1 2 3 051225 041285 011235 Blade connection end T shank T shank T shank T shank Dust removal adapter exterior dia 30 mm for hose adapter Double insulated in accordance with EN 50144 protection class double insulated Vibration absorbing grip Interference immunity Radio and television interference suppression In accordance with EN 55014 2 In accordance with EN 55014 1 Noise and vibration information measured in accordance with EN 50144 Typical A weighted sound power level Lwa lt 101 dB A WSJ EB lt 100 dB A WSJ ET Typical A weighted sound pressure level LpA lt 88 dB A WSJ EB lt 87 dB A WSJ ET Wear ear protection Typical weighted vibration at the grips Right of technical changes reserved 3 1 m s WSJ EB 3 0 m s WSJ ET 5 Safety precautions 5 1 Basic information concerning safety In addition to the information relevant to safety given in each of the sections of these operating instructions the following points must be strictly observed at all time
6. N f gt Wear A Wear Wear eye ear protective breathing protection protection gloves protection 5 6 Protective devices Never operate the tool without the applicable protective devices dust hood 17 6 Before use CAUTION e The cutting edges of the saw blade are sharp e The cutting edges may present a risk of injury e Wear protective gloves 6 1 Extension cords If extension cords are used Use only extension cords of a type approved for the intended purpose and of ade quate cross section Failure to observe this point may result in reduced performance and may cause the cord to overheat Replace damaged extension cords Use only correspondingly marked and approved extension cords for working outdoors Recommended minimum cross sections and max cord lengths Mains voltage Conductor cross section 1 5 mm 2 5mm 110 V 20m 30m 230 V 50m 100 m Extension cords for outdoor use For outdoor work use only extension cords approved and correspondingly marked as suitable for outdoor use 6 2 Fitting the saw blade 1 Unplug the supply cord from the electric socket 2 Press the saw blade release lever and hold it in this position 3 Push the saw blade into the blade holder teeth fac ing cutting direction until it engages 4 Hold the blade against the resistance felt and then allow the blade release lever to return to its original position 5 Check that the blade is held securely by
7. alloy brass parts Scrap metal Grip Plastic Plastics recycling Motor housing Plastic Plastics recycling Fan Plastic Plastics recycling Motor rotor and stator Steel and copper Electronic scrap Supply cord Copper elastomer Electronic scrap Gearing parts Metal Scrap metal Main switch electronics Electronic scrap Baseplate WSJ 750 EB ET Steel Scrap metal Baseplate WSJ 850 EB ET Cast aluminium and steel Scrap metal Baseplate cover Plastic Plastics recycling Anti splinter insert Plastic Plastics recycling Dust removal adaptor Plastic Plastics recycling Screws small parts Steel Scrap metal Operating instructions Paper Paper recycling 11 Warranty Hilti warrants that the tool supplied is free of defects in material and workmanship This warranty is valid as long as the tool is operated and handled correctly cleaned and serviced properly and in accordance with the Hilti operating instructions all warranty claims are made with in 12 months unless other mandatory national regulations prescribe a longer minimum period from the date of the sale invoice date 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 replace ment of defective parts only Parts requiring repair or replacement as a result of normal wear and tear are not covered by this warranty Additional claims are excluded unles
8. at they function faultlessly 9 Troubleshooting Fault The saw blade drops out The saw blade cannot be inserted The tool cannot be switched on The switch cannot be lock ed in the sustained running position WSJ 750 ET and 850 ET The orbital action cannot be adjusted No orbital action Speed cannot be adjusted Speed too high or too low Dust removal with the vacuum cleaner or dust removal module doesn t work The baseplate cannot be pivoted An accessory cannot be fitted WSJ 850 ET EB The dust removal module doesn t function The cut is not straight The material being cut overheats The material being cut overheats metal Possible cause The saw blade is not engaged correctly The blade clamping mechanism is dirty The blade clamping mechanism is dirty The supply cord is not plugged in The switch is defective or dirty The switch is defective or dirty The tool is dirty The tool is dirty The orbital action adjustment lever is set to the 0 position The stroke rate adjustment thumb wheel is dirty or defective The wrong stroke rate is set The dust removal hood is not fitted The passages in the tool and or dust removal adapter are dirty or blocked The securing screw has not been released or the connection between the baseplate and the tool is dirty The point of attachment to the base plate is dirty or the wrong accessory is being used The
9. e 1 Unplug the supply cord from the electric socket 2 Remove the dust removal system adaptor 3 Release the screw 4 Pull the baseplate slightly toward the front of the tool 5 Set the baseplate to the desired angle according to the scale on the tool 6 Tighten the screw 6 9 2 Resetting the cutting angle 1 Unplug the supply cord from the electric socket 2 Release the screw 3 Return the baseplate to the 0 position 4 Push the baseplate back to its original position toward the rear of the tool 5 Tighten the screw 6 10 Offsetting the baseplate To facilitate sawing close to edges the baseplate can be repositioned as follows 1 Unplug the supply cord from the electric socket 2 Release the screw 3 Push the baseplate back as far as it will go 4 Tighten the screw 6 11 Anti splinter insert NOTE The anti splinter insert cannot be used with certain types of saw blades e g offset blades Use of the anti splinter insert helps prevent splintering of the surface when sawing wood materials 1 Unplug the supply cord from the electric socket 2 Press the anti splinter insert into the baseplate from below 6 12 Low friction baseplate cover NOTE Use the low friction baseplate cover to avoid scratching Sensitive materials 1 Unplug the supply cord from the electric socket 2 Hook the cover onto the front edge of the baseplate 3 Press the cover against the baseplate until it snaps into place 7 Operation
10. e g pipes and radiators etc e Check the condition of the tool s supply cord at reg ular intervals The supply cord should be replaced by a trained electrical specialist if damage is found Also regularly check the condition of extension cords and replace these if damage is found e Check the condition of the tool Do not operate the tool if it is found to be damaged if it is not complete or if its controls cannot be operated faultlessly e Do not touch the supply cord in the event of it suffer ing damage while working Disconnect the supply cord plug from the socket e Damaged switches must be replaced at a Hilti service center Do not use the tool if it cannot be switched off and on properly e Ihe tool should be repaired only by a trained electri cal specialist Hilti service center using original Hilti spare parts Failure to observe this point may result in a risk of accident to the user e Do not use the supply cord for purposes for which it is not intended Never carry the tool by the supply cord Do not pull the plug out of the socket by pulling the supply cord e Do not expose the supply cord to heat oil or sharp edges When working outdoors use only extension cords approved and correspondingly marked as suitable for outdoor use e In the event of a power cut Switch off and unplug the tool e Avoid using extension cords with multiple sockets and the simultaneous use of several electric tools con nected to one e
11. e harmful to the respira tory system e Wear breathing protection NOTE Hold the dust removal module so that the dust removal adaptor faces upwards 1 Unplug the supply cord from the electric socket 2 Press the two buttons on the dust removal module one on each side simultaneously 3 Pull the dust container downwards away from the tool 4 Empty the dust out of the container by tapping it light ly or alternatively use a vacuum cleaner to clean out the container wear breathing protection 3 1 6 Care and maintenance We recommend use of compressed air and a cloth for cleaning the dust removal module Do not use water oil grease or cleaning agents 3 1 7 Changing and cleaning the filter Change the filter if it becomes defective or if so badly soiled that cleaning is no longer possible Disassemble it to facilitate thorough cleaning Especially after cutting plaster or plasterboard drywall panel the filter should be cleaned thoroughly to ensure no loss of suction power by the dust removal system Clean the filter carfully using compressed air or a vacuum Cleaner 4 Technical data Tool WSJ 750 ET WSJ 750 EB WSJ 850 ET WSJ 850 EB Nominal power rating 750 W 750 W 850 W 850 W Mains frequency 90 60 Hz 90 60 Hz 90 60 Hz 90 60 Hz Nominal voltage 110 V 230 V 110 V 230 V Mains current 7 5 A 3 8A 8 0A 4 1A Weight of tool 2 6 kg 2 5 kg 2 6 kg 2 5 kg Dimensions LxWxH 256x75x201 mm 256x75x194 mm 256x75x
12. er a suitable acces sory is being used Check that the module is correctly attached to the tool Empty the dust container Clean the filter or fit a new dust container Use the saw blade recommended by Hilti for the application you are carrying out Use a Suitable new saw blade Reduce the stroke rate and apply less pressure Use a new saw blade and ensure adequate lubricant is applied between the saw blade and workpiece 21 10 Disposal Most of the materials from which Hilti electric tools are 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 electric tools for recycling Please ask your Hilti customer service department or Hilti representa tive for further information Should you wish to return the electric tool yourself to a disposal facility for recycling proceed as follows Dismantle the electric tool as far as possible without the need for special tools Use absorbent paper to wipe oily parts clean and to collect any grease that runs out total quantity approx 50 ml This paper should also be disposed of correctly On no account should oil or grease be allowed to enter the waste water system or to find its way into the ground The individual parts should be separated as follows Part assembly Main material Recycling Toolbox Plastic Plastics recycling Gear housing Plastic with magnesium
13. g instructions Use of acces sories or items of auxiliary equipment other than those listed in the operating instructions may present a risk of personal injury e Take the influences of your surroundings into account Do not expose the tool to rain or snow and do not use it in damp or wet conditions Do not use the tool where there is a risk of fire or explosion e Keep the tool especially its grip surfaces clean and free from oil and grease e Do not overload the tool It will operate more efficiently and more safely within the performance range for which it was designed e Always hold the tool securely with both hands on the grips provided e Switch on the tool only after it has been brought into position where the cut is to be made e The dust removal hood should not be disassembled e Store tools in a safe place when not in use When not in use tools should be stored in a dry high place or locked away where they are out of reach of children e Avoid unintentional starting Do not carry the tool with your finger on the on off switch Check that the on off switch is in the off position before plugging the supply cord into the electric socket e Disconnect the supply cord plug from the socket when the tool is not in use e g during breaks before main tenance and before changing insert tools e Switch the tool off before transporting it e lake care of your insert tools You will be able to work more efficiently and m
14. hanging the filter hold the tool and or the WSJ DRS so that the filter drawer can be pulled out verti cally downwards This prevents dust escaping We recommend that breathing protection is worn when changing the filter 14 3 1 4 Technical data WSJ DRS dust removal module for the WSJ 850 ET and WSJ 850 EB Power input 80 W suction performance 400 l min Weight 250 0 Dimensions LxWxH 150x60x100 mm 3 1 5 Before use NOTE The dust removal hood must be fitted in front of the saw blade when the dust removal module is in use see 6 5 Attaching the dust removal module A 1 Unplug the supply cord from the electric socket 2 Fitthe dust removal adaptor into the opening on the tool 3 Push the dust removal adaptor toward the tool from below until it engages 4 Push the dust removal module onto the tool and the dust removal adaptor until it is heard to engage Detaching the dust removal module 1 Unplug the supply cord from the electric socket 2 Press the two buttons on the dust removal module one on each side and hold them in this position 3 Pull the dust removal module away from the tool and the dust removal adaptor toward the rear 4 Release the dust removal adaptor from the tool by pushing it downwards 5 Push the dust removal adaptor downwards and pull it out of the tool Emptying the dust container CAUTION e Dust may be released into the air when emptying the dust removal module e Dust may b
15. he tool 6 5 Dust removal hood 6 5 1 Fitting the dust removal hood 1 Unplug the supply cord from the electric socket 2 Push the dust removal hood onto the tool from the front until it engages 6 5 2 Removing the dust removal hood 1 Unplug the supply cord from the electric socket 2 Tilt the dust removal hood slightly and pull it away from the tool toward the front 6 6 Sawdust blower The blower keeps the cutting line free of dust and chips by directing a jet of air toward the saw blade 6 7 Adjusting the orbital action The four orbital action settings permit cutting perfor mance and quality of cut to be adjusted to suit the mate rial being cut Orbital action adjustment lever is used to set the tool to one of the four orbital action settings Please observe the following recommendations The lower the orbital action setting the finer and clean er the cut The optimum setting can be determined by making test cuts Setting 0 No orbital action Setting Low orbital action Setting Il Medium orbital action Setting Ill High orbital action Please refer to the information provided with the saw blade for details of correct settings 6 8 Adjusting the stroke rate 1 Set the stroke rate adjustment thumbwheel to a posi tion between 1 slow and 6 fast Please refer to the information provided with the saw blade for details of correct settings 6 9 Adjusting the cutting angle 6 9 1 Setting the cutting angl
16. in 2003 Right of technical and programme changes reserved S E amp 0 377834 A
17. module is not correctly attached to the tool The dust container is full The filter is dirty The blade is unsuitable for the application The blade is blunt or damaged Stroke rate and cutting force is too high Inadequate lubrication when cutting metal Remedy Reinsert the saw blade taking care to ensure that the blade holder is fully open and the saw blade is pushed in against the resistance felt Clean the blade holder Clean the blade holder Check that the supply cord is plugged in Clean the exterior of the switch with a cloth or have the switch checked by a trained electrical specialist Clean the exterior of the switch with a cloth or have the switch checked by a trained electrical specialist Clean and remove foreign matter from the slot for the orbital action adjustment lever Check the area of the orbital action fork and remove any dirt or foreign matter Set the lever to the desired position Clean the exterior of the thumbwheel or have the tool checked by a trained electrical specialist Check the stroke rate setting scale on the thumbwheel and adjust it accordingly Check that the vacuum cleaner is working and that the dust removal adaptor and dust removal hood are fitted Clean the passages in the tool or dust removal adapter Check the screw and release it if neces sary Clean the area between the baseplate and the tool Clean the point of attachment to the base plate and check wheth
18. novation or conversion Use of the tool for cut ting materials containing asbestos is not permissible The tool may be powered only by an electric supply pro viding a voltage and frequency in compliance with the specification given on its rating plate The items supplied include Electric tool incl saw blade Operating instructions Packaging Accessories dust removal module anti splinter insert dust removal adaptor low friction baseplate cover hex socket wrench dust removal hood 3 Tools and accessories Saw blade W CS Dust removal module WSJ DRS Anti splinter insert W ASJ SS Dust removal adaptor W ASJ AS Low friction baseplate cover W ASJ GL Hex socket wrench 5 W A SW5 Dust removal hood W ASJ AH 3 1 WSJ DRS dust removal module 3 1 1 General information Location of identification data on the tool The type designation and serial number can be found on the rating plate on the tool Make a note of this data in your operating instructions and always refer to it when making an enquiry to your Hilti representative or service department Type WSJ DRS Serial no 3 1 2 Safety Use as directed The WSJ DRS may be used only in conjunction with the WSJ 850 ET and WSJ 850 EB Use of the WSJ DRS for materials containing asbestos or for metal glass and carbon fiber dust is not permis sible Use of the WSJ DRS for damp or explosive dust is not permissible 3 1 3 General safety precautions e When c
19. ore safely if the insert tools are kept sharp and clean Observe instructions on care and maintenance and on changing insert tools e Check that all moving parts are undamaged and that they function properly without sticking All parts must be fitted correctly and fulfill all of the conditions nec essary to ensure faultless operation e Never place your hands in front of or on the saw blade e Check the tool for possible damage Protective devices and any parts that may have suffered slight damage should be checked for correct operation and func tionality before further use of the electric tool Safety devices or other parts that are found to be damaged must be replaced or repaired properly by an autho rized repair workshop unless otherwise indicated in the operating instructions 5 3 1 Mechanical A e Check that wrenches etc have been removed from the tool before switching it on e Observe the instructions concerning care and main tenance and replacement of insert tools in good time e Ensure that the insert tools used are equipped with the correct connection end system and that they are prop erly fitted and secured in the chuck e Ihe safety guard for the saw blade must always be fit ted in order to prevent inadvertent contact with the saw blade or the moving parts above the saw blade 5 3 2 Electrical IK N e Protect yourself against electric shock Avoid body contact with earthed grounded objects
20. pected and serviced at a Hilti workshop This will increase the life expectan cy of the tool and avoid unnecessary repair costs Repairs to the electrical section of the tool may be car ried out only by a trained electrical specialist The outer casing of the tool is made from impact resis tant plastic Sections of the grip are made from an elas tomer material WSJ 850 ET EB Never operate the 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 tool Clean the outside of the tool at regular intervals using 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 tool 20 Always keep the grip surfaces of the tool free from oil and grease Do not use cleaning agents which contain silicone 8 3 Maintenance Check all external parts of the tool for damage at regular intervals and check that all controls operate faultlessly Do not operate the tool if parts are damaged or when the controls do not function faultlessly If necessary your electric tool should be repaired at a Hilti repair center Repairs to the electrical section of the tool may be car ried out only by trained electrical specialists 8 4 Checks after care and maintenance After care and maintenance check that all protective devices are fitted and th
21. rotective goggles Wear breathing protection if the work creates dust Wear suitable working clothing Do not wear loose clothing loose long hair or jewelry as these can become caught up in moving parts Wear a hair net if you have long hair When working keep other persons particularly children outside the range of the tool Do not permit other per sons to touch the electric tool or the extension cord Avoid unusual body positions Work from a secure Stance and stay in balance at all times 16 e Connect the dust removal system Ensure that it is connected and used correctly e To avoid tripping and falling when working always lead the supply cord extension cord and extraction hose away to the rear Concealed electric cables or gas and water pipes pre senta serious hazard if damaged while you are work ing Accordingly check the area in which you are work ing beforehand e g using a metal detector Avoid contact between your body and earthed grounded objects such as pipes or radiators External metal parts of the tool may become live for example when an elec tric cable is damaged inadvertently 5 3 General safety precautions A Hi N Y e Use the right electric tool for the job Do not use the tool for purposes for which it was not intended Use the tool only as directed and when it is in faultless condition e Use only the original accessories and auxiliary equip ment listed in the operatin
22. s ATTENTION Read all safety precautions and instructions Failure to observe the following safety precautions and instruc tions may lead to electric shock fire and or serious injury A A e Observe the information given in the operating instruc tions concerning operation care and maintenance e Nevertheless the tool and its accessories may present hazards when used incorrectly by untrained person nel or when misused Do not make use of incorrect accessories e g the wrong circular saw blade the wrong extraction con nector or the wrong type of vacuum cleaner e To avoid the risk of injury always use only Hilti origi nal accessories e Connect the tool to an external dust removal system ao to be cut produces dust hazardous to ealth e Modification of the tool is not permissible e Do not use the tool for cutting tree branches or logs 5 2 Take the necessary precautions to make the workplace safe IN e Ensure that the workplace is well lit e Ensure that the workplace is well ventilated e Keep the working area tidy Objects which could cause injury should be removed from the working area Untidi ness at the workplace may lead to accidents e Keep the area above and below the cutting line free of obstacles Secure the workpiece Use clamps or a vice to hold the workpiece securely in position It is then held more Safely and both hands remain free for holding and operating the tool e Wear p
23. s mandatory national rules prohibit such exclusion In particular Hilti is not obligated for direct indirect incidental or consequential damages losses or expenses in con 22 nection with or by reason of the use of or inability to use the tool for any purpose Implied warranties of merchantability or fitness for a particular purpose are specifically excluded Send the tool and or related parts immediately upon dis covery of a defect to the local Hilti marketing organisa tion for repair or replacement This constitutes Hilti s entire obligation with regard to warranty and supersedes all prior or contemporaneous comments and oral or written agreements concerning warranties 12 EC declaration of conformity Designation Orbital action jig saw Type WSJ 750 ET WSJ 750 EB WSJ 850 ET WSJ 850 EB and WSJ DRS Year of design 2003 We declare on our sole responsibility that this product complies with the following directives and standards 73 23 EWG 89 336 EWG 98 37 EG EN 55014 1 EN 55014 2 EN 50144 1 EN 50144 2 10 EN 61000 3 2 EN 61000 3 3 Hilti Corporation u 7 Abri Ronald Fehlmann Dr Heinz Joachim Schneider Head of BU Cutting and Sanding Head of BA Light Duty Systems March 2003 March 2003 23 ee _ Hilti Corporation FL 9494 Schaan Tel 423 234 21 11 Fax 423 234 29 65 www hilti com Hilti registered trademark of Hilti Corp Schaan W2750 1003 25 Pos 1 1 Printed in Liechtenste
24. s the on off switch again and then release it 7 2 2 On off switch WSJ 750 EB WSJ 850 EB 1 Plug the supply cord into the electric socket 2 Switch the tool on off by way of the sliding switch 7 3 Plunge sawing NOTE Use the plunge sawing method only for soft materials Only short blades should be used 1 Plug the supply cord into the electric socket 2 Set the orbital action regulation lever to the 0 posi tion 3 Bring the front edge of the baseplate into contact with the workpiece 4 Hold the tool securely and press the on off switch 5 Press the tool firmly against the workpiece and begin the plunge movement by reducing the angle between the baseplate and the workpiece 6 Once the blade has penetrated the workpiece bring the tool into the normal working position with the entire baseplate surface in contact with the work piece 7 Continue sawing along the cutting line 8 Care and maintenance Unplug the supply cord from the electric socket 8 1 Care of blades e Used saw blades should be cleaned to remove resin deposits at regular intervals as clean blades achieve a higher cutting performance Resin deposits can be removed by placing the saw blades in a bath of paraf fin kerosene or commercially available resin remover for 24 hours 8 2 Care of the tool e The tool was lubricated adequately when it was man ufactured After long periods of heavy use it is rec ommended that the tool is ins
25. xtension cord Never operate the tool when it is dirty or wet Dust or dampness on the surface of the tool make it difficult to hold and under unfavorable conditions may lead to electric shocks Accordingly have the tool checked regularly at a Hilti service center if it is used frequently for cutting conductive materials 5 3 3 Thermal A l An Wear protective gloves e The insert tool may become hot during use You should therefore wear protective gloves when changing insert tools Warning hot surface 5 3 4 Dust Wear respiratory protection when the work causes dust e Before beginning work find out the hazard class of the dust produced by the work Use only an industri al vacuum cleaner with an officially approved protec tion classification in compliance with your local dust control regulations for work with the tool 5 4 Requirements to be met by users e The tool may be operated serviced and repaired only by authorized trained personnel This personnel must be informed of any special hazards that may be encoun tered e Always concentrate on the job you are doing Proceed carefully and do not use the tool if your full attention is not on the job 5 5 Personal protective equipment The user and any other persons in the vicinity must wear suitable eye protection ear protection and protective gloves They must also wear respiratory protection if no dust removal system is used da N A h
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