Hitachi C 9SA2 Saw User Manual
Contents
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9. 15 G AN NS 1 X ES Sy AX lt 6 16 2 2 2 3 5 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 2 Part Name HEX SOCKET SET SCREW M5x8 BRUSH HOLDER CARBON BRUSH BRUSH CAP MACHINE SCREW W WASHERS M5x40 TAPPING SCREW W FLANGE D4x20 NAME PLATE HOUSING ASS Y SAFETY LOCK BUTTON SPRING SWITCH 1P SCREW TYPE TAPPING SCREW W FLANGE D4x12 BEARING LOCK HANDLE COVER TERMINAL PILLAR TERMINAL TERMINAL CORD CLIP TAPPING SCREW D4x16 NOISE SUPPRESSOR CORD ARMOR CORD GUIDE LOCK SPRING WING BOLT M6x15 SIDE HANDLE FLAT HD SCREW M6x16 fafa fo Ja Ja J Jo Ja 3 l2 3 3 o info J 2 I 3 I J 2 2 In 2 2 2 In Part Name NEEDLE BEARING HK1212 SPINDLE AND GEAR SET BEARING HOLDER SEAL LOCK FLAT HD SCREW M6x14 LINER BALL BEARING 6203VVCMPS2L SAFETY COVER RETURN SPRING BEARING COVER SEAL LOCK FLAT HD SCREW M5x14 WASHER A TCT SAW BLADE 235MM SAW COVER HITACHI LABEL SPECIAL BOLT KNOB MACHINE SCREW W WASHERS M4x10 WASHER B HEX SOCKET HD BOLT M8x15 5 MACHINE SCREW W WASHERS M4x14 BRUSH TERMINAL STATOR ASS Y FAN GUIDE ARMATURE LOCK LEVER ROLL PIN D8x50 GEAR COVER CUSHION FLAT HD SCREW M6x20 RUBBER BUSHING BEARING BUSHING BALL BEARING 6000VVCMPS2L HEX HD TAPPING
10. 1 2 740936 7 een 1 E re i NEG 1 A WEIHER nn 1 ME DAA O BFEW 16 mm GE LEO 30 mm GEA TL 2 Ars 12 3 O 1 2 3 EIO HAK gt REDE 9 RENA gt ME REM 4 BID TE LfFE k 2H77KBB Ef LIFE gt HRR L gt F 5 RANES 812 LI y AK AEA MRE PIGS gt mA PIERA M6 x 16 5 eed E SEHE L gt HEISE 3 J ADA te ER e 4
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12. is covered with hard particle material such as sand or metal chips tends to easily scratch damage the surface coating so use caution 7 3 Inspecting the carbon brushes Fig 10 The motor employs carbon brushes which are consumable parts Since an excessively worn carbon brush can result in motor trouble replace the carbon brushes with new ones having the same carbon brush No shown in the figure when it becomes worn to or near the wear limit In addition always keep carbon brushes clean and ensue that they slide freely within the brush holders CAUTION O When replacing the new carbon brushes always use genuine Hitachi carbon brushes with the number specified in the drawing O For model C9BA2 the brake may not work if other than the specified carbon brushes are used When the brake becomes ineffective replace the carbon brushes with new ones 4 Replacing carbon brushes Disassemble the brush caps with a slotted head screwdriver The carbon brushes can then be easily removed 5 Replacing supply cord If the replacement of the supply cord is necessary this has to be done by Hitachi Authorized Service Center in order to avoid safety hazard 6 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 7 Adjusting the base and saw blade to maintain perpendicularity T
13. Do not overreach Keep proper footing and balance 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 If devices are provided for the connection of dust extraction and collection facilities ensure these are connected and properly used Use of these devices can reduce dust related hazards 9 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 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 c Disconnect the plug from the power source before making any adjustments changing accessories or storing power tools Such preventive safety measures reduce the risk of starting the power tool accidentally Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool Power tools are dangerous in the hands of untrained users e Maintain power tools Check for misalignment or binding of moving parts breakage of parts and any other condition that may affec
14. Maintain a firm grip with both hands on the saw and position your arms to resist kickback forces 12 For model C9BA2 be careful of brake kickback C9BA2 model features an electric brake that functions when the switch is released As there is some kickback when the brake functions be sure to hold the main body securely 13 Sparks can sometimes appear caused by braking operation when the switch is turned off since C9BA2 model employ electric brakes Be informed however that this phenomenon is not a machine trouble 14 For model C9BA2 when the brake becomes ineffective replace the carbon brushes with new ones 15 Disconnect the plug from the receptacle before carrying out any adjustment servicing or maintenance PRECAUTIONS ON USING CIRCULAR SAW Do not use saw blades which are deformed or cracked Do not use saw blades made of high speed steel Do not use saw blades which do not comply with the characteristics specified in these instructions Do not stop the saw blades by lateral pressure on the disc Always keep the saw blades sharp Ensure that the lower guard moves smoothly and freely Never use the circular saw with its lower guard fixed in the open position Ensure that the retraction mechanism of the guard system operates correctly Never operate the circular saw with the saw blade turned upward or to the side Ensure that the material is free of foreign matters such as nails For models C9
15. efficiency and cause possible motor malfunction sharpen or replace the saw blade as soon as abrasion is noted 2 Inspecting the mounting screws Regularly inspect 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 ADJUSTING THE SAW PRIOR TO USE 1 Adjusting the cutting depth As shown in Fig 3 hold the handle with one hand while loosening the knob with the other The cutting depth can be adjusted by moving the base to the desired position In such manner adjust the cutting depth and then securely retighten the knob 2 Adjusting the angle of inclination As shown in Fig 4 A Fig 4 B by loosening the wing nut on the incline gauge and the wing bolt on the base the saw blade may be inclined to a maximum angle of 45 in relation to the base After having completed the adjustment reconfirm that the wing nut and the wing bolt are firmly tightened 3 Regulating the guide Fig 5 The cutting position can be regulated by moving the guide to the left or right after loosening its wingbolt The guide may be mounted on either the right or left side of the tool 4 Adjusting the guide piece On the circular saw it is possible to make fine adjustment of the fixing position of the guide piece where the saw blade and the premarked line are to be aligned When the saw is shipped from the factory the linear portion
16. such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust of fumes Keep children and bystanders away while operating a power tool Distractions can cause you to lose control a b c Electrical safety 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 Avoid body contact with earthed or grounded surfaces such as pipes radiators ranges and refrigerators There 15 an increased risk of electric shock if your body is earthed or grounded Do not expose power tools to rain or wet conditions Water entering a power tool will increase the risk of electric shock 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 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 a b c d e Personal safety 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
17. 1 Saw Blade Dia 235 mm 2 Hex bar wrench vs 3 Guide w 4 WING BOJ 2 1 Standard accessories are subject to change without notice OPTIONAL ACCESSORIES sold separately 1 Washer A for 16 mm Hole dia of saw blade for 30 mm Hole dia of saw blade 2 Guide Rail Adapter See Fig 12 Optional accessories are subject to change without notice APPLICATION Cutting various types of wood PRIOR TO OPERATION 1 Power source Ensure that the power source to be utilized conforms to the power requirements specified on the product nameplate O Before starting to saw ensure that the saw blade has reached full speed revolution O Should the saw blade be stopped or made an abnormal noise during operation turn off the switch immediately O Always take care in preventing the power cord from coming near the revolving saw blade O Using the circular saw with the saw blade facing upwards or sideways is very hazardous Such uncommon applications should be avoided O When cutting materials always wear protective glasses O When finished with a job pull out the plug from the receptacle MOUNTING AND DISMOUNTING THE SAW BLADE CAUTION To avoid serious accident ensure the switch is in the OFF position and the power source is disconnected 1 Dismounting the saw blade 1 Set the cutting volume at maximum and place
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20. HITACHI Circular Saw C 9SA2 C 9BA2 HANDLING INSTRUCTIONS Read through carefully and understand these instructions before use z Hitachi Koki C9BA2 65 SA 2 MEF ZEffillffft M6 x 16 West IRIE AC DEAR 45 M4 B A i HAR Lumber Base Workbench Saw blade Side Handle Flat hd screw M6 x 16 Handle Knob Wing nut Wing bolt Guide Premarked line Guide piece Front scale when not inclined Front scale at 45 incline M4 Screw Lock lever Hex bar wrench Hexagonal socket bolt Washer B Washer A Spindle Wear limit No of carbon brush Square Slotted set screw 6 9 6 6 6 8 8 6 6 8 86 8 8 6 6 8 A wrench or a key left attached to a rotating part of the power tool may result in personal injury e
21. R SHE E se BS ES B DS SES Shy i gt B ER u ER a b RH EL RA c Dette e Ss Re AMARE gt d REITER e
22. SA2 and C9BA2 the saw blades should be 235 mm o RR Br BD SPECIFICATIONS Model C9SA2 C9BA2 110V 220V 230V 240V A 86 mm 65 mm 1570 W 2000 W 5000 min 6 8 kg Voltage by areas Cutting Depth Power Input No Load Speed Weight without cord Be sure to check the nameplate on product as it is subject to change by areas 2 Power switch Ensure that the power switch is in the OFF position If the plug is connected to a receptacle 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 thickness and rated capacity The extension cord should be kept as short as practicable 4 Prepare a wooden workbench Fig 1 Since the saw blade will extend beyond the lower surface of the lumber place the lumber on a workbench when cutting If a square block is utilized as a workbench select level ground to ensure it is properly stabilized An unstable workbench will result in hazardous operation 5 When using the side handle Fig 2 Securely attach the side handle to the base with the two flat head screws M6 x 16 when using the side handle CAUTION To avoid possible accident always ensure that the portion of lumber remaining after cutting is securely anchored or held in position STANDARD ACCESSORIES
23. SCREW D5x65 BALL BEARING 6202 VVCMPS2L RUBBER RING KNOB O RING P 7 SLEEVE WASHER B WING NUT M8 BOLT WASHER M8 WING BOLT M6x15 LOCK SPRING SLOTTED HD SET SCREW SEAL LOCK M6x6 BASE ASS Y MACHINE SCREW W SP WASHER M4x6 GUIDE PIECE BOLT SOUARE M8x30 BEVEL PLATE RIVET D6x24 RIVET D6x17 DIAGONAL BOLT M8 WASHER M6 WING BOLT A M6x20 gt Hitachi Koki Co Ltd 609 Code No C99152431 Printed in Malaysia
24. d kickback Large panels tend to sag under their own weight Supports must be placed under the panel on both sides near the line of cut and near the edge of the panel Do not use dull or damaged blades Unsharpened or improperly set blades produce narrow kerf causing excessive friction blade binding and kickback Blade depth and bevel adjusting locking levers must be tight and secure before making cut If blade adjustment shifts while cutting it may cause binding and kickback Use extra caution when making a plunge cut into existing walls or other blind areas The protruding blade may cut objects that can cause kickback SAFETY INSTRUCTIONS FOR SAWS WITH INNER PENDULUM GUARD b c d e f 9 a Check lower guard for proper closing before each use Do not operate the saw if lower guard does not move freely and close instantly Never clamp or tie the lower guard into the open position If saw is accidentally dropped lower guard may be bent Raise the lower guard with the retracting handle and make sure it moves freely and does not touch the blade or any other part in all angles and depth of cut Check the operation of the lower guard spring If the guard and the spring are not operating properly they must be serviced before use Lower guard may operate sluggishly due to damaged parts gummy deposits or build up of debris Lower guard should be retracted manually only for special cuts such as plun
25. ge cuts and compound cuts Raise lower guard by retracting handle and as soon as blade enters the material the lower guard must be released For all other sawing the lower guard should operate automatically Always observe that the lower guard is covering the blade before placing saw down on bench or floor An unprotected coasting blade will cause the saw to walk backwards cutting whatever is in its path Be aware of the time it takes for the blade to stop after switch is released b c d SAFETY INSTRUCTIONS FOR ALL SAWS DANGER a Keep hands away from cutting area and the blade Keep your second hand on auxiliary handle or motor housing If both hands are holding the saw they cannot be cut by the blade Do not reach underneath the workpiece The guard cannot protect you from the blade below the workpiece c Adjust the cutting depth to the thickness of the workpiece Less than a full tooth of the blade teeth should be visible below the workpiece Never hold piece being cut in your hands or across your leg Secure the workpiece to a stable platform It is important to support the work properly to minimize body exposure blade binding or loss of control Hold power tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its own cord Contact with a live wire will also make exposed metal parts of the power tool live and shock the
26. he angle between the base and the saw blade has been adjusted to 90 however should this perpendicularity be lost for some reason adjust in the following manner 1 Turn the base face up Fig 11 and loosen the wing nut and wing bolt Fig 4 A Fig 4 B 2 Apply a square to the base and the saw blade and turning the slotted set screw with a slotted head screwdriver shift the position of the base to produce the desired right angle 8 Service parts list CAUTION Repair modification and inspection of Hitachi Power Tools must be carried out by an Hitachi Authorized Service Center This Parts List will be helpful if presented with the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance In the operation and maintenance of power tools the safety regulations and standards prescribed in each country must be observed MODIFICATIONS Hitachi Power Tools are constantly being improved and modified to incorporate the latest technological advancements Accordingly some parts may be changed without prior notice NOTE Due HITACHI s continuing program of research and development the specifications herein are subject to change without prior notice b EX pud ar b EE E gt HEP A
27. of a front scale on the guide piece is aligned with the central position of the saw blade Fig 6 Loosen the fixed M4 screw on the guide piece should the fixing position be wrong and make necessary adjustment of the position CUTTING PROCEDURES 1 Place the base on the material then align the premarked line and the sawblade with the guide piece front scale section at the front of the base Fig 6 When the base is not slanted use the large cutout as the guide Fig 6 Fig 7 A If the base is slanted 45 degrees use the small front scale as the guide Fig 6 Fig 7 B 2 Ensure that the switch is turned to the ON position before the saw blade comes in contact with the lumber The switch is turned ON when the trigger is squeezed and OFF when the trigger is released 3 Moving the saw straight at a constant speed will produce optimum cutting CAUTIONS Prior to cutting operation make sure the material you are going to cut If the material to be cut is expected to generate harmful toxic dusts make sure the dust bag or appropriate dust extraction system is connected with dust outlet tightly Wear the dust mask additionally if available A coating of PFTE is applied to the bases of the C9BA2 type Be careful not to press too hard on the unit body since this tends to place a heavy load on the motor Using a gentle pressure will make the piece slide easier and allow cutting with less force Trying to cut wood that
28. operator f When ripping always use a rip fence or straight edge guide This improves the accuracy of cut and reduces the chance of blade binding Always use blades with correct size and shape diamond versus round of arbour holes Blades that do not match the mounting hardware of the saw will run eccentrically causing loss of control Never use damaged or incorrect blade washers or bolt The blade washers and bolt were specially designed for your saw for optimum performance and safety of operation O Never use any abrasive wheels Burst of abrasive wheel cause serious injury of operator or persons around the working area b d e 9 h FURTHER SAFETY INSTRUCTIONS FOR ALL SAWS Causes and operator prevention of kickback kickback is a sudden reaction to a pinched bound or misaligned saw blade causing an uncontrolled saw to lift up and out of the workpiece toward the operator when the blade is pinched or bound tightly by the kerf closing down the blade stalls and the motor reaction drives the unit rapidly back toward the operator if the blade becomes twisted or misaligned in the cut the teeth at the back edge of the blade can dig into the top surface of the wood causing the blade to climb out of the kerf and jump back toward the operator Kickback is the result of saw misuse and or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below a
29. power tools may result in serious personal injury Use safety equipment Always wear eye protection Safety equipment such as dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions will reduce personal injuries Avoid accidental starting Ensure the switch is in the off position before plugging in Carrying power tools with your finger on the switch or plugging in power tools that have the switch on invites accidents Remove any adjusting key or wrench before turning the power tool on a b c d 2 3 Position your body either side of the blade but not in line with the blade Kickback could cause the saw to jump backwards but kickback forces can be controlled by the operator if proper precautions are taken When blade is binding or when interrupting a cut for any reason release the trigger and hold the saw motionless in the material until the blade comes to a complete stop Never attempt to remove the saw from the work or pull the saw backward while the blade is in motion or kickback may occur Investigate and take corrective actions to eliminate the cause of blade binding When restarting a saw in the workpiece centre the saw blade in the kerf and check that saw teeth are not engaged into the material If saw blade is binding it may walk up or kickback from the workpiece as the saw is restarted Support large panels to minimize the risk of blade pinching an
30. t the power tools 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 Use the power tool accessories and tool bits etc in accordance with these instructions and in the manner intended for the particular type of power tool taking into account the working conditions and the work to be performed Use of the power tool for operations different from intended could result in a hazardous situation b d 9 5 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 PRECAUTION Keep children and infirm persons away When not in use tools should be stored out of reach of children and infirm persons 4 GENERAL SAFETY RULES WARNING Read all instructions Failure to follow all instructions listed below may result in electric shock fire and or serious injury The term power tool in all of the warnings listed below refers to your mains operated corded power tool or bat tery operated cordless power tool SAVE THESE INSTRUCTIONS 1 Work area Keep work area clean and well lit Cluttered and dark areas invite accidents Do not operate power tools in explosive atmospheres
31. the Circular Saw as shown in Fig 8 2 Depress the lock lever lock the spindle and remove the hexagonal socket bolt with the Hex bar wrench 3 While holding the lower guard lever to keep the lower guard fully retracted into the saw cover remove the saw blade 2 Mounting the Saw Blade 1 Thoroughly remove any sawdust which has accumulated on the spindle bolt and washers 2 As shown in Fig 9 the side of Washer A with a projected center the same diameter as the inner diameter of the saw blade and the concave side of Washer B must be fitted to the saw blade sides Washer A is supplied for 2 types of saw blades with the hole diameters of 16 mm and 30 mm When buying the Circular Saw one type of washer A is supplied In case the hole diameter of your saw blade does not correspond to that of washer A please contact the shop where you purchased the Circular Saw 3 To assure proper rotation direction of the saw blade the arrow direction on the saw blade must coincide with the arrow direction on the saw cover 4 Using the fingers tighten the hexagonal socket bolt retaining the saw blade as much as possible Then depress the lock lever lock the spindle and thoroughly tighten the bolt CAUTION After having attached the saw blade reconfirm that the lock lever is firmly secured in the prescribed position MAINTENANCE AND INSPECTION 1 Inspecting the saw blade Since use of a dull saw blade will degrade
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