DEMOLITION HAMMER MODEL H 65
Contents
1. 1 Use earplugs to keep your ears noise free while working 2 Wear protective shoes to protect your feet 3 Properly set the bit holder 4 Always hold the body handle and side handle of the power tool firmly Otherwise the counterforce produced may result in inaccurate and even dangerous operation Since the bit becomes very hot during operation do not touch it because you are burnt At the start of work confirm the oil supply and screw tightening 7 When working ata highly elevated location pay attention to articles and persons below Eh SAVE THESE INSTRUCTIONS AND MAKE THEM AVAILABLE TO OTHER USERS OF THIS POWER TOOL NAME OF PARTS Name Plate Side Handle Switch Trigger Retainer Cap Cover Handle Cover Fig 1 SPECIFICATIONS Motor Single Phase Series Commutator Motor Power Source Single Phase 115V AC 60 Hz Current 11 4A Full Load Impact Rate 1 400 min Weight 39 7 Ibs 18 kg ACCESSORIES CAUTION Only following genuine accessories for this power tool should be used The use of any other attachment or accessory is not recommended because it may cause hazard including bodily injury STANDARD ACCESSORIES Sl 0 16335 5 u u uuu uuu 22 Za ee Oe 1 2 Bull Point Code No 985230 a r rrrnnrrsssssssaaa 1 3 Oil Feeder Code No 931848 r rrrrrsrrsrssssssssssssssssssaa 1 4 Hexagon Bar Wrench for M8 Cod2. crushing position In some cases it is necessary to punch the tip of the bit against the crushing position forcibly in order to begin the striking stroke This is not due to malfunction of the power tool It means that the safe guard mechanism against no load striking is working 2 Operate this demolition hammer by utilizing its own weight The performance will not be better even if it is pressed or thrust forcibly against the work surface Hold this demolition hammer with a force just sufficient to counteract the reaction CAUTION Sometimes the power tool does not begin the striking stroke even when the motor rotates because oil has become thick If the power tool is used at low temperatures or if it is used after a long idle time this demolition hammer should be kept running for about five minutes in order to warm it up OIL FEEDING CAUTION Prior to oil feeding always disconnect the plug from the power supply receptacle Since an oil chamber is built in this demolition hammer it can be used for approximately 20 days without supplying oil assuming that this demolition hammer is used continuously 3 4 hours a day Feed oil into the oil tank as described below before using this demolition hammer See Figs 5 and 6 1 Feed oil without fail before no oil is visible in the oil gauge window when this demolition hammer is held upright 2 Before feeding oil remove the oil gauge with the provided wrench Be care
3. HITACHI DEMOLITION HAMMER MODEL H 65 INSTRUCTION MANUAL Note Before using this HITACHI Demolition Hammer carefully read through this INSTRUCTION MANUAL to ensure efficient safe operation It is recommended that this INSTRUCTION MANUAL be kept readily available as an important reference when using this power tool We sincerely thank you for selecting a HITACHI POWER TOOL To operate this power tool safely and efficiently please read this INSTRUCTION MANUAL carefully to get a good understanding of the precautions in operation capacity of the power tool use and the like IMPORTANT INFORMATION SAFETY RULES FOR THE POWER TOOL WARNING When using the power tool following basic safety precautions should always be followed to reduce the risk of fire electric shock and personal injury READ ALL INSTRUCTIONS 1 10 11 12 KEEP WORK AREA CLEAN Cluttered areas and benches invite injuries CONSIDER WORK AREA ENVIRONMENT Don t expose power tools to rain Don t use power tools in damp or wet locations Keep work area well lit Don t use the power tool in presence of flammable liquids or gases Power tools produce sparks during operation They also spark when switching ON OFF Never use power tools in dangerous sites containing lacquer paint benzine thinner gasoline gases adhesive agents and other materials which are combustible or explosive GUARD AGAINST ELECTRIC SHOCK Prevent body contact with gr
4. Support 99 MachineScrew ss M41 Hexagon Socket Hd Bolt M6x25 Cord Bull Point 520 mm Wrench 23 mm Parts are subject to possible modification without notice due to improvements Hitachi Koki Co Ltd Shinagawa Intercity Tower A 15 1 Konan 2 chome Minato ku Tokyo 108 6020 Japan Distributed by Hitachi Koki U S A Ltd 3950 Steve Reynolds Blvd Norcross GA 30093 Hitachi Koki Canada Co 209 6395 Kestrel Road Mississauga ON L5T 125 Code No C99005463 N Printed in Japan
5. ce 4 Inspecting the carbon brushes Fig 7 0 67 17 mm The motor employs carbon brushes which are 0 28 7 mm consumable parts No of Carbon Since an excessively worn carbon brush results in motor trouble replace the carbon brush with a new one which has the same carbon brush No shown in figure 7 when it becomes worn to or near wear limit In addition always keep carbon brushes clean and ensure that they slide freely within the brush holders Wear limit Fig 7 5 Replacing a carbon brush The carbon brush can be removed by removing the cap cover cap rubber and brush cap in that order at the interior NOTE Due to HITACHI s continuing program of research and development the specifications herein are subject to change without prior notice 9 tat i P No 4 FrontCover S O 6 Damper B x 8 O Ring Ci O O 9 Damper _ y O 28 High Tension Bolt 40 Hexagon Socket Hd Bolt M5x20 44 CapRubber 46 CarbonBrush 49 CoverPlate M4x16 Issued by No Hexagon Socket Hd Bolt M6x45 60 Ball Bearing 6201VVCM C C 64 Bearing Cover 66 CrankShaft 68 HousingAss y sss 69 Rubber Washer C C 75 DistanceRing A 80 Armature Ass y _ j 84 Urethane Washer A 86 Hexagon Socket Hd Bolt M5x8 90 Support C 94 Terminal _ o O 96 Connector o Z o Z o O 98
6. e No 872422 a 1 5 Wrench Code No 971109 c ccccccccccsecceecceeeceeeeeeceeeeeeeeeeeeeeeeeeeneeeeseusenueeuseueeeeeneusensanenenees 1 OPTIONAL ACCESSORIES sold separately 1 Bull point 2 ene See Overall length 20 1 2 520 mm Code No 985230 2 Cold chisel Overall length 20 1 2 520 mm Code No 985231 3 Scoop Overall length 21 1 2 546 mm Code No 985233 4 Cutter Overall length 20 1 2 520 mm Width 3 75 mm Code No 985232 5 Electric Hammer Oil Capacity 1 liter Code No 955009 APPLICATION This demolition hammer should be applied to breaking concrete chipping off concrete grooving bar cutting and driving piles in installation of piping and wiring sanitary facility installation machinery installation water supply and drainage work interior jobs harbor facilities and other civil engineering work etc PRIOR TO OPERATION 1 Power source Ensure that the power source to be utilized conforms to the power requirements specified on the name plate of this demolition hammer Power switch Ensure that the power switch is in the OFF position If the plug is connected to a power receptacle while the power switch is in the ON position this demolition hammer will start operating immediately inviting serious accident Extension cord When the work area is remote from the power source use an extension cord of sufficient thickn
7. ected to a permanent ground such as a properly grounded outlet box WARNING The grounding adaptor sketch C is prohibited in Canada by Canadian Electrical Code Part 1 Therefore the instructions for its use are not applicable in Canada l Cover of C Og Grounded Blade Outlet Box Cover of Grounded Outlet Box B Adapter Grounding C Means EXTENSION CORD Use only three wire extension cords that have three prong grounding type plugs and three pole receptacles that accept the power tool s plug Replace or repair damaged extension cord Make sure your extension cord is in good condition When using an extension cord be sure to use one heavy enough to carry the current the power tool will draw An undersized cord will cause a drop in line voltage resulting in loss of power and overheating Table below shows the correct size to use depending on cord length and nameplate ampere rating If in doubt use the next heavier gage The smaller the gage number the heavier the cord MINIMUM GAGE FOR CORD SETS Total Length of Cord in Feet Meter 0 25 26 50 51 100 101 150 0 7 6 7 9 15 2 15 5 30 5 30 8 45 7 Ampere Rating AWG More Not More Than Than 0 6 18 16 16 14 6 10 18 16 14 12 10 12 16 16 14 12 12 16 14 12 Not Recommended PARTICULAR PRECAUTIONS ON DEMOLITION HAMMER In addition to the precautions mentioned above following particular precautions for this demolition hammer should be followed
8. er for repair WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are e Lead from lead based paints e Crystalline silica from bricks and cement and other masonry products and e 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 your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particles GROUNDING INSTRUCTIONS This power tool should be grounded while in use to protect the operator from electric shock The power tool is equipped with a three conductor cord and three prong grounding type plug to fit the proper grounding type receptacle The green or green and yellow conductor in the cord is the grounding wire Never connect the green or green and yellow wire to a live terminal If your unit is for use on less than 150 volts it has a plug that looks like that shown in sketch A in Figure on the right An adapter see sketches B and C is available for connecting sketch A type plugs to two prong receptacles The green colored rigid ear lug or the like extending from the adapter must be conn
9. ess and rated capacity The extension cord should be kept as short as practicable Confirm the power receptacle lf the power receptacle loosely accepts the plug the receptacle must be repaired Contact the nearest authorized service center for repair service If such a faulty receptacle is used it may cause overheating resulting in a serious hazard Confirming condition of the environment Confirm that the work site is placed under neat clean conditions conforming to prescribed precautions Feeding oil Refer to the paragraph on oil feeding at page 9 below Prior to using this demolition hammer remove the oil gauge and do not fail to fill the oil tank with the provided oil Although the oil tank is built in it contains only a small quantity of oil when shipped from the HITACHI Works Mounting an accessory such as a bull point a cutter etc 1 With the retainer directed backward insert the accessory shank portion into the hole on the front cover Fig 2 2 Swing the retainer back into place so that it engages the accessory shank portion and prevents accessories from coming out of front cover Fig 3 NOTE Use a manual hammer to open close the retainer as it is too heavy to move by hand tad l ip Cm NOTE When removing the accessory such as a bull point a cutter etc follow the above procedure in reverse order OPERATION 1 Pull the trigger switch after applying the tip of the bit to the
10. ful not to lose the rubber packing attached under the oil gauge 8 3 Check the oil level once a day confirming that oil is enough 4 After feeding oil securely clamp the oil gauge NOTE As an optional accessory oil for the HITACHI Demolition Hammer one liter is sold separately Use this oil when oil in the tank becomes less than the level indicated in Fig 6 below Oil Gauge Check the oil quantity by holding the body upright 7 164 2 8 mm Feed oil when the oil level drops to less than approx 7 64 2 8 mm Fig 5 Fig 6 MAINTENANCE AND INSPECTION CAUTION Be sure to switch power OFF and disconnect the plug before and during maintenance and inspection 1 Inspecting this demolition hammer Since use of a dull accessory such as a bull point a cutter etc will cause motor malfunctioning and efficiency degraded efficiently whet it or replace with a new one without delay when 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 3 Inspecting the retainer Fig 2 and 3 The retainer may become loose due to excessive use Always pay attention to its proper functioning to securely hold the accessory shank portion If any wear and tear is found bring this demolition hammer to an authorized service center for maintenance servi
11. ng and changing accessories Inspect tool cords periodically and if damaged have repaired by the authorized service center 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Inspect extension cords periodically and replace them if damaged Keep handles dry clean and free from oil and grease DISCONNECT POWER TOOLS When not in use before servicing and when changing accessories such as blades bits cutters REMOVE ADJUSTING KEYS AND WRENCHES Form habit of checking to see that keys and adjusting wrenches are removed from the power tool before turning it on AVOID UNINTENTIONAL STARTING Don t carry a plugged in the power tool with finger on switch Be sure switch is off when plugging in OUTDOOR USE EXTENSION CORDS When the power tool is used outdoors use only extension cords intended for use outdoors and so marked STAY ALERT Watch what you are doing Use common sense Do not operate the power tool when you are tired CHECK DAMAGED PARTS Before use of the power tool a guard or other part should be carefully checked to determine that it will operate properly and perform its intended function Check the alignment of moving parts binding of moving parts breakage of parts mounting and any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced by an authorized service center unless otherwise indicated elsewhere in thi
12. ounded surfaces For example pipes radiators ranges refrigerator enclosures KEEP VISITORS OR CHILDREN AWAY Do not let visitors or children contact the power tool or extension cord All visitors or children should be kept away from work area STORE IDLE POWER TOOLS When not in use power tools should be stored in dry and high or locked up place out of reach of children DON T FORCE THE POWER TOOL It will do the job better and safer at the rate for which it was intended USE RIGHT POWER TOOLS Don t force a small power tool or attachment to do the job of a heavy duty tool Don t use the power tool for purpose not intended for example don t use circular saw for cutting tree limbs or logs DRESS PROPERLY Do not wear loose clothes or accessories They can be caught in moving parts Rubber gloves and non skid footwear are recommended when working outdoors Wear protective hair covering to contain long hair USE SAFETY GLASSES All persons in the area where power tools are being operated should also wear safety eye protectors and face or dust masks if cutting operation is dusty DON T ABUSE CORD Never carry power tools by cord or yank the cord to disconnect the power tool from receptacle Keep the cord from heat oil and sharp edges DON T OVERREACH Keep proper footing and balance at all times MAINTAIN POWER TOOLS WITH CARE Keep power tools sharp and clean for better and safer performance Follow instructions for lubricati
13. s instruction manual Have defective switches replaced by an authorized service center Do not use the power tool if switch does not turn it on and off AVOID USING A POWER TOOL FOR APPLICATIONS OTHER THAN THOSE SPECIFIED Never use the power tool for applications other than those specified in this instruction manual ENSURE SAFE OPERATION THROUGH CORRECT HANDLING Secure safe operation through correct handling by observing the instructions described herein Do not employ accessories other than those specified herein otherwise a hazardous condition may be created Never allow the power tool to be used by persons not familiar with correct handling such as chidren or by those who are not familiar with the power tool CONFIRM THAT NO ITEMS SUCH AS AN ELECTRIC CABLE OR CONDUIT ARE BURIED INSIDE In places where electric wiring may be hidden behind a wall floor ceiling etc do not hold or contact any metal parts of the poweer tool In such cases metal parts could become electrically live and present a serious shock hazard KEEP THE RIGHT PARTS IN THE RIGHT POSITIONS Do not remove covers and screws which have been factory mounted They perform important respective roles Keep them in the original positions SECURELY MOUNT ACCESSORIES AND BLADES TO THE POWER TOOL MAIN BODY Extra care must be taken when using the power tool on elevated location such as a roof ladder scaffold or the like to prevent injury to someone underneath in the event
14. the power tool and or accessory should drop ALWAYS KEEP THE MOTOR AIR VENT FULLY OPENED A constantly open motor air vent is necessary to allow air to come in and out for cooling the motor Do not allow it to become clogged up even if dust is blown through it OPERATE THE POWER TOOL AT THE RATED VOLTAGE Operate the power tool at voltages specified on its nameplate NEVER TOUCH THE MOVING PARTS Never touch the moving parts such as blades bits cutters and others 27 STOP OPERATION IMMEDIATELY IF ANY ABNORMALITY IS DETECTED Should the power tool be detected as out of order or should other abnormalities be observed during operation stop using the power tool immediately 28 NEVER LEAVE THE POWER TOOL RUNNING UNATTENDED TURN POWER OFF Don t leave the power tool until it comes to a complete stop 29 CAREFULLY HANDLE THE POWER TOOL Should the power tool be dropped or struck against hard materials inadvertently it may be deformed cracked or damaged 30 DO NOT WIPE PLASTIC PARTS WITH SOLVENT Solvents such as gasoline thinner benzine carbon tetrachloride and alcohol damage and crack plastic parts Do not wipe them with such solvents Wipe plastic parts with a soft cloth lightly dampened with soapy water 31 WHEN REPLACING A COMPONENT PART ADOPT THE SAME TYPE When replacing a component part with a new one adopt the same type of new part Also never attempt to repair the power tool yourself Bring it to an authorized service cent
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