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1. Escobilla de carb n usual Spazzola di carbone ad arresto automatico Auto stop koolborstel Escobilla de carb n de parada autom tica GENERAL OPERATIONAL PRECAUTIONS 1 Keep work area clean Cluttered areas and benches invite injuries 18 19 English Stay alert Watch what you are doing Use common sense Do not operate tool when you are tired Check damaged parts Before further use of the 2 Consider work area environment Don t expose tool a guard or other part that is damaged power tools to rain Don t use power tools in should be carefully checked to determine that it damp or wet locations Keep work area well lit will operate properly and perform its intended Don t use too in presence of flammable liquids or function Check for alignment of moving parts gases s binding of moving parts breakage of parts Power tools produce sparks during operation mounting and any other conditions that may They also spark when switching ON OFF affect its operation A guard or other part that is Never use power tools in dangerous sites damaged should be properly repaired or replaced containing lacquer paint benzine thinner by an authorized service center unless otherwise gasoline gases adhesive agents and other indicated elsewhere in this instruction manual materials which are combustible or explosive Have defective switches replaced by authorized 3 Guard against electric shock Prevent body co
2. Switch Sperrknopf Schalter Touch de verrouillage Interrupteur Wear limit Verschlei grenze Limite d usure No of carbon brush Nr der Kohleb rste Usual carbon brush jo Gew hnliche Kohleb rste Auto stop carbon brush Italiano Auto Stop Kohleb rste Nederlands No du balai en carbone Balai en carbone ordinaire Balai en carbone amp arr t automatique Espa ol Cappuccio della spazzola En Borstelkap Tapa de la escobilla Presa per l impugnatura laterale Bevestigingspunt voor zijhandgreep Rosca para el asa lateral Tasto di blocco dell asse Drukknop as vergrendeling As Bot n pulsador Bloqueo del eje Eje Schroef Tornillo Rondella grover Beschermkap E Onderlesachijf Cubierta protectora de muela Arandela molar Mola Schuurschijf Muela de alisado Dado ad anelto Moer voor de schuurschijf Contratuerca molar Chiave Sleutel Llave para tuercas Disco diamantata Inpugnatura laterale Diamantzaagblad Adiamantado Handgreep Asidero lateral Tasto di blocco Vergrendelknop Bot n de seguridad Interruttore Schakelaar Limite di usura N della spazzola di carbone en Spazzola di carbone comune Slijtagegrens Nr van de koolborstel Conmutador Limite de uso No de carb n de contacto Normale koolborstel
3. can be caught in moving parts nameplate otherwise the finish may be spoiled Rubber gloves and non skid footwear are recom and working efficiency reduced by motor over mended when working outdoors Wear protec load tive hair covering to contain long hair 26 Do not wipe plastic parts with solvent Solvents 9 Use eye protection Also use face or dust mask if such as gasoline thinner benzine carbon cutting operation is dusty tetrachloride alcohol ammonia and oil contain 10 Don t abuse cord Never carry tool by cord or ing chloric annex may damage and crack plastic yank it to disconnect from receptacle Keep cord parts Do not wipe them with such solvent from heat oil and sharp edges Wipe plastic parts wit h a soft cloth lightly 11 Secure work Use clamps or a vise to hold work dampened with soapy water It s safer than using your hand and it frees both 27 Use only original HITACHI replacement parts hands to operate tool 28 Disassemble this tool only for replacement of 12 Don t overreach Keep proper footing and bal carbon brushes ance at all times 29 Use the exploded assembly drawing on this han 13 Maintain tools with care Keep tools sharp and dling instructions only for authorized servicing clean for better and safer performance Follow instructions for lubricating and changing acces sories Inspect tool cords periodically and if damaged have repaired by authorized service facility Inspect extension cords periodi
4. practicable 4 Fitting and adjusting the wheel guard The wheel guard is a protective device to prevent injury should the grinding wheel shatter during operation Ensure that the guard is properly fitted and fastened before commencing grinding opera tion By slightly loosening the setting screw the wheel guard can be turned and set at any desired angle for maximum operational effectiveness Ensure that the setting screw is thoroughly tight ened after adjusting the wheel guard 5 Ensure that the grinding wheel to be utilized is the correct type and free of cracks or surface defects Also ensure that the grinding wheel is properly mounted and the wheel nut is securely tightened Refer to the section on Grinding Wheel Assem bly Conducting a trial run Before commencing grinding operation the machine should be given a trial run in a safe area to ensure that it is properly assembled and that the grinding wheel is free from obvious defects Recommended trial run durations are as follows After replacing grinding wheel OPeeOEe eee ree eee eee rere ree eee 3 minutes or more TEILTE LEINE TERN 1 minutes or more 7 Confirm the spindle lock mechanism Confirm that the spindle lock is disengaged by pushing push button two or three times before switching the power tool on See Fig 1 8 Fixing the side handle Screw the side handle into the gear cover PRACTICAL GRINDER APPLICATION 1 Pressure To prolong the life of the machin
5. 18 Side Handie roma 87 Swicn 15 Needle Bearing HKI272 88 Gora cip 20 Ger _59_ Tapping Screw W Flange D4x16 21 Sea tack Screw 10 59 Washed _MEX70 60 Handle B 22 Bearing Cover B 61 Tapping Screw W Flange D4x25 23 Ball Bearing 6302DDUCMPS2S 62 Tepping Screw W Flange 05x25 24 Feather Key axaxe es hanem CLIC 65 Cord Armor 26 Felt Packing 8 32 Wheel Washer A 34 Wheel Nut Las leckPin Las Gear Ay N 66 Cord Parts are subject to possible modification with out notice due to improvement The drawing and the list are parts structural drawing and parts list of model G23SC2 For other models refer to the drawing and the list English Deutsch Francais Brush cap B rstendeckel Capot de balai Socket for side handle Sockel f r Seitengriff Douilie pour poign e lat rale Push button Spindie lock Druckknopf Sperrplatte Spindle Spindel Bouton poussoir blocage d arbre Screw Schraube Wheel guard Schutzhaube Couvre meule Wheel washer Unterlegscheibe Grinding wheel Schleifscheibe ele dee Wheel nut Wrench Diamond wheel Side handle Mutter f r die Schleilfscheibe Rondelle de la meule Ecrou de la meule Schl ssel Handgriff Poign e lat rale Lock botton
6. 84 Therefore the letter code and colour code may not be applicable to other markets except The United Kingdom The noise emitted by this power tool is measured in accordance with IEC 59 CO 11 IEC 704 DIN 45 635 Part 21 NFS 31 031 84 537 EEC for con crete breakers The sound pressure level at the workplace can exceed 85 dB A in this case noise protection for the operator is required
7. HITACHI DISC GRINDER WINKELSCHLEIFER MEULEUSE SMERIGLIATRICE ANGOLARE HAAKSE SLIJPMACHINE AMOLADORA ANGULAR G 18SH G18U G 18SE2 e G 18UA G 18SG G 18UB e G 23SF G 23U G 23SC2 G 23UA G 23SE G 23UB Read through carefully and understand these instructions before use Diese Anleitung vor Benutzung des Werkzeugs sorgf ltig durchlesen und verstehen Lire soigneusement et bien assimiler ces instructions avant usage Prima dell uso leggere attentamente e comprendere queste istruzioni Deze gebruiksaanwijzing s v p voor gebruik zorgvuldig doorlezen Leer cuidadosamente y comprender estas instrucciones antes del uso Handling instructions Bedienungsanleitung Mode d emploi Istruzioni per l uso Gebruiksaanwijzing Instrucciones de manejo G23SC2 The exploded assembiy drawing should be used only for authorized service facility G235C2 e em JE rm 1 Machine Soren MBx12 2 Spring Washer MB 38 Storas 3 Tapping Screw W Fiange 06x35 39 Brush Terminal Pa Push Button 40 Housing assy 5 Spring rs AC 7 UN MB a Pinon a rubber Rng OY ROME LTS EN CASTA ICH CIS CON EI 11 Bail Bearing 6301DDUCMPS2S 50 Carbon Brush 12 Rubber Ring 51 BrushHower i 13 For Packing A 52 Hex Socket Set Screw MENE 14 Bearing Gover 63 Dust Packing 15 Feather Key 3x9 10 84 Suppor a 16 Armero 88 Nols Suppressor se r
8. cally and replace if damaged Keep handles dry clean PRECAUTIONS ON USING DISC GRINDER 1 Never operate these power tools without Wheel Guards 2 Use only grinding wheels with a Safe Speed of at least as high as the No Load RPM indicated on the power tool nameplate 3 Always hold the body handle and side handle of the power tool firmly Otherwirse the counterfor ce produced may result in inaccurate and even dangerous operation 4 Never depress the push button while the spindle is turning and free from oil and grease 14 Disconnect tools When not in use before ser vicing and when changing accessories such as blades bits cutters 15 Remove adjusting keys and wrenches Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on 16 Avoid unintentional starting Don t carry plugged in tool with finger on switch Be sure switch is off when plugging in 17 Outdoor use extension cords When too is used outdoors use only extension cords intended for use outdoors and so marked egish SPECIFICATIONS Voltage by areas 110V 115V 120V 127V 220V 230V 240V input 2000W 2200W 2400W 2200W 2400W No load speed 8500 min 6600 min Outer dia 180mm 230mm 2000w Wheel Inner diam 22mm Peripheral speed 4800m min Starting current limiter 1 Be sure to ch
9. e and ensure a first class finish it is important that the machine should not be overloaded by applying too much pressure In most applications the weight of the machine alone is sufficient for effective grinding Too much pressure will result in reduced rotational speed inferior surface finish and overloading which could reduce the life of the machine 2 Grinding angle Do not apply the entire surface of the grinding wheel to the material to be ground As shown in Fig 2 the machine should be held at an angle of 15 30 so that the external edge of the grinding wheel contacts the material at an optimum angle 3 To prevent a new grinding wheel from digging into the workpiece initial grinding should be perfor med by drawing the grinder across the workpiece toward the operator Fig 2 direction B Once the leading edge of the grinding wheel is properly abraded grinding may be conducted in either direction 4 Switch operation Switch ON Push the locking button forwards and then press the switch lever For continuous use press the switch lever The switch lever is locked by pushing the locking but ton forwards once again Subject to change depending on area Switch OFF Press and release the switch lever Precautions immediately after finishing operation After switching off the machine do not put it down until the grinding wheel has come to a complete stop Apart from avoiding serious acci dents this precauti
10. eck the nameplate on product as it is subject to change by areas 2 Weight Only main body 3 The starting current limiter produces the starting current to such an extent that a fuse 16A slow blow is not tripped STANDARD ACCESSORIES 1 Wrench eerrrrcerencnnananannanonnanacnononcncconnranaosancnnns 1 2 Side Handle errererrrnnasnnananonanancnnnanananoaanonancnns 1 Grinding wheels are not provided as standard acces sories Standard accessories are subject to change without notice APPLICATIONS o Removal of casting fin and finishing of various types of steel bronze and aluminum materials and castings o Grinding of welded sections or sections cut by means of a cutting torch Grinding of synthetic resins slate brick marble etc Cutting of synthetic concrete stone brick mar ble and similar materials PRIOR TO OPERATION 1 Power source Ensure that the power source to be utilized con forms to the power requirements specified on the product nameplate 2 Power switch Ensure that the power switch is in the OFF posi tion If the plug is connected to a power recepta cle while the power switch is in the ON position the power tool will start operating immediately which could cause a serious accident 3 Extension cord When the work area is removed from the power source use an extension cord of sufficient thick ness and rated capacity The extension cord should be kept as short as
11. n service center Do not use tool if switch does not tact with grounded surfaces For example turn it on and off pipes radiators ranges refrigerator enclo 20 Use the power tools only for applications speci sures As fied in the Handling instructions 4 Keep children away Do not let visitors contact 21 To avoid personal injury use only the acces tool or extension cord All visitors should be kept sories or attachment recommended in these away from work area handling instructions or in the HITACHI catalog 5 Store idle tools When not in use tools should 22 Let only the authorized service facility do the be stored in dry and high or locked up place out repairing of reach of children The manufacturer will not be responsible for any 6 Don t force tool It will do the job better and damages or injuries caused by repair by unauth safer at the rate for which it was intended orized persons or by mishandling of the tool 7 Use right tool Don t force small tool or attach 23 To ensure the designed operational integrity of ment to do the job of a heavy duty tool Don t power tools do not remove installed covers or use tool for purpose not intended for example screws don t use circular saw for cutting tree limbs or 24 Do not touch movable parts or accessories unless logs F the power source has been disconnected 8 Dress properly Do not wear loose clothing or 25 Use your tool at lower input than specified on the jewelry They
12. on will reduce the amount of dust and swarf sucked into the machine CAUTIO When the machine is not in use the power source should be disconnected GRINDING WHEEL ASSEMBLY 1 Assembiing Fig 1 1 Turn the machine upsidedown so that the spin dle is facing upward 2 Mount the wheel washer onto the spindle 3 Fitthe protuberance of the grinding wheel or diamond wheel onto the wheel washer 4 Screw the wheel nut onto the spindle For diamond wheel assembling use the wheel nut with the convex side against the diamond wheel 5 Insert the push button to prevent rotation of the spindle and tighten the wheel nut with acces sory wrench as shown in Fig 1 2 Disassembly Follow the above procedures in reverse MAINTENANCE AND INSPECTION 1 Inspecting the grinding wheel 2 Ensure that the grinding wheel is free of cracks and surface defects Inspecting the mounting screws Regularly ir spect all mounting screws and ensure that they are properly tightened Should any of the screws be loose retighten them immediately Failure to do so could result in serious hazard Inspecting the carbon brushes Fig 3 The Motor employs carbon brushes which are consumable parts When they become worn to or near the wear limit it could result in motor trouble When an auto shop carbon brush is equipped the motor will stop automatically At that time replace both carbon brushes with new ones which ha
13. ve the same carbon brush Numbers shown in the figure In addition always keep carbon brushes clean and ensure that they slide freely within the brush holders 4 Replacing a carbon brush Disassemble the brush cap with a minus head screwdriver The carbon brush can then be easily removed English 5 Maintenance of the motor The motor unit winding is the very heart of the power tool Exercise due care to ensure the winding does not become damaged and or wet with oil or water NOTE Due to HITACH s continuing program of research and development the specifications herein are subject to change without prior notice aan This appliance is produced to conform to the require ments of B S 800 1977 This requirement is applicable to appliances for THE UNITED KINGDOM IMPORTANT Correct connection of the plug The wires of the main lead are coloured in accor dance with the following code Blue Neutral Brown Live As the colours of the wires in the main lead of this tool may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire coloured blue must be connected to the terminal marked with the letter N or coloured black The wire coloured brown must be connected to the terminal marked with the letter L or coloured red Neither core must be connected to the earth termi nal NOTE This requirement is provided according to BRITISH STANDARD 2769 19

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