Makita HR4500C User's Manual
Contents
1. 14 ACCESSORIES CAUTION These accessories or attachments are recommended for use with your Makita tool specified in this manual The use of any other accessories or attachments might present a risk of injury to persons The accessories or attachments should be used only tn the proper and intended manner Safety goggle Part No 191686 2 Side handle Part No 134915 0 Side grip PartNo 134916 8 e Depth gauge Part No 321248 4 SSS eee Bit grease 100 g Part No 181573 3 C Hammer grease 30 g Part No 181490 7 e Carrying case Part No 824607 6 15 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 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 MAKITA LIMITED ONE YEAR WARRANTY Warranty Policy Every Makita tool is thoroughly inspected and tested before leavi2. a amp Ld A A 4 amp 4 amp Rotary Hammer 45 mm 1 3 4 MODEL HR4500C INSTRUCTION MANUAL DOUBLE INSULATION Capacities No load speed Blows Overall 125 mm 4 7 8 120 240 min 1 250 2 550 3887A Manufacturer reserves the right to change specifications without notice Note Specifications may differ from country to country WARNING For your personal safety READ and UNDERSTAND before using SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE SPECIFICATIONS Net weight Tungsten carbide bit 45 mm 1 3 4 GENERAL SAFETY RULES For All Tools WARNING Read and understand all instructions Failure to follow all instructions listed below may result in electric shock fire and or serious personal injury SAVE THESE INSTRUCTIONS Work Area 1 2 3 Keep your work area clean and well lit Cluttered benches and dark areas invite accidents Do not operate power tools in explosive atmospheres such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes Keep bystanders children and visitors away while operating a power tool Distractions can cause you to lose control Electrical Safety 4 Double insulated tools are equipped with a polarized plug one blade is wider than the other This plug will fit in a polarized outlet only one way If the plug does not fit fully in the outlet reverse the pl
3. gt Pointer Side handle CAUTION Use the side handle only when chipping scaling or demolishing Do not use it when drilling in concrete masonry etc The tool cannot be held properly with this side han die when drilling The side handle can be swung 360 on the vertical and secured at any desired position It also secures at eight different positions back and forth on the horizontal Just loosen the clamp nut to swing the side han dle to a desired position Then tighten the clamp nut securely Tighten Side grip CAUTION Always use the side grip to ensure operating safety when drilling in concrete masonry etc The side grip swings around to either side allowing easy handling of the tool in any position Loosen the side grip by turning it counterclockwise swing it to the desired position and then tighten it by turning clock wise Tighten C Loosen Switch action CAUTION Before plugging in the tool always check to see that the switch trigger actuates properly and returns to the OFF position when released To start the tool simply pull the trigger Release the trigger to stop Speed change The revolutions and blows per minute can The dial is marked 1 lowest speed to 6 full speed Refer to the table below for the relationship between the number set tings on the adjusting dial and the revolu tions blows per minute Number on Revolutions Blows adjusting dial per minute per mi
4. exposure to high intensity noise can cause hearing loss Wear a hard hat safety helmet safety glasses and or face shield It is also highly recommended that you wear a dust mask and thickly padded gloves Be sure the bit is secured in place before operation Under normal operation the tool is designed to produce vibration The screws can come loose easily causing a breakdown or accident Check tightness of screws carefully before operation In cold weather or when the tool has not been used for a long time let the tool warm up for a while by operating it under no load This will loosen up the lubrication Without proper warm up hammering operation is difficult i Always be sure you have a firm footing Be sure no one is below when using the tool in high locations Hold the tool firmly with both hands Keep hands away from moving parts Do not leave the tool running Operate the tool only when hand held Do not point the tool at any one in the area when operating The bit could fiy out and injure someone seriously Do not touch the bit or parts close to the bit immediately after operation they may be extremely hot and could burn your skin SAVE THESE INSTRUCTIONS SYMBOLS The followings show the symbols used for tool Vi EEAO volts Pe A amperes IZ A herts SS ee een alternating current Oc heen ecard heats no load speed o PENES AOE REN Class Il Construction LAN aiea revolutions or reciprocation p
5. 13 14 Avoid accidental starting Be sure switch is off before plugging in Carrying tools with your finger on the switch or plugging in tools that have the switch on invites accidents Remove adjusting keys or wrenches before turning the tool on A wrench or a key that is left attached to a rotating part of the tool may result in personal injury Do not overreach Keep proper footing and balance at all times Proper footing and balance enables better control of the tool in unexpected situations Use safety equipment Always wear eye protection Dust mask non skid safety shoes hard hat or hearing protection must be used for appropriate conditions Tool Use and Care 15 16 17 18 19 20 21 22 Use clamps or other practical way to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of control Do not force tool Use the correct tool for your application The correct tool will do the job better and safer at the rate for which it is designed Do not use tool if switch does not turn it on or off Any tool that cannot be controlled with the switch is dangerous and must be repaired Disconnect the plug from the power source before making any adjustments changing accessories or storing the tool Such preventive safety measures reduce the risk of starting the tool accidentally Store idle tools out of reach of children and other untr
6. the bit into the tool Turn the bit and push it in until it engages YS V Chuck cover If the bit cannot be pushed in remove the bit Pull the chuck cover down a couple of times Then insert the bit again Turn the bit and push it in until it engages Chuck cover After installing always make sure that the bit is Securely held in place by trying to pull it out To remove the bit pull the chuck cover down all the way and pull the bit out Chuck cover 10 OPERATION Hammer drilling operation Set the change lever to the J symbol Position the bit at the location for the hole then pull the trigger Do not force the tool Light pressure gives best results Keep the tool in position and prevent it from slipping away from the hole Do not apply more pressure when the hole becomes clogged with chips or particles Instead run the tool at an idle the remove from the hole By repeating this several times the hole will be cleaned out CAUTION When the bit begins to break through concrete or if the bit strikes reinforcing rods em bedded in concrete the tool may react dangerously Maintain good balance and safe foot ing while holding the tool firmly with both hands to prevent dangerous reaction Torque limiter The torque limiter will actuate when a certain torque level is reached The motor will disen gage from the output shaft When this happens the bit will stop turning CAUTION As soon as the torque l
7. ained persons Tools are dangerous in the hands of untrained users Maintain tools with care Keep cutting tools sharp and clean Properly maintained tools with sharp cutting edges are less likely to bind and are easier to control l Check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the tools operation If damaged have the tool serviced before using Many accidents are caused by poorly maintained tools Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one tool may become hazardous when used on another tool SERVICE 23 24 Tool service must be performed only by qualified repair personnel Service or maintenance performed by unqualified personnel could result in a risk of injury When servicing a tool use only identical replacement parts Follow instructions in the Maintenance section of this manual Use of unauthorized parts or failure to follow Maintenance Instructions may create a risk of electric shock or injury 8 9 10 11 12 USB010 1 Specific Safety Rules Hold tools 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 make exposed metal parts of the tool live and shock the operator Wear ear protectors when using the tool for extended periods Prolonged
8. er minute EN PATEAT AAE number of blow FUNCTIONAL DESCRIPTION Selecting action mode e Rotation with hammering Change lever For drilling in concrete masonry etc depress the fock button and rotate the change lever so that the pointer points to the TA symbol Use a tungsten carbide tipped bit e Hammering only For chipping scaling or demolition operations depress the lock button and rotate the change fever so that the pointer points to the J symbol Use a bull point cold chisel scaling chisel etc Change lever 75 Pointer di Pointer Change lever a jin mY ioe ee CAUTION e Do not rotate the change lever when the tool is running under load The tool will be dam aged e To avoid rapid wear on the mode change mechanism be sure that the change lever is always positively located in one of the two action mode positions Bit angle when chipping scaling or demolishing CAUTION Always be sure that the tool is switched off and unplugged before changing the bit angle The bit can be secured at 16 different angles To change the bit angle depress EE the lock button and rotate the change lever so that the pointer points to the o symbol Change lever Turn the bit to the desired angl J ie Pointer Depress the lock button and rotate the change lever so that the pointer points to Change lever the TT symbol Then make sure that the bit is securely held in place by turning it slight ly
9. imiter actuates switch off the tool immediately This will help pre vent premature weak of the tool Chipping Scaling Demolition Set the change lever to the symbol Hold the tool firmly with both hands Turn the tool on and apply slight pressure on the tool so that the tool will not bounce around uncontrolled Pressing very hard on the tool will not increase the efficiency 11 MAINTENANCE CAUTION Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance Replacing carbon brushes When the resin insulating tip inside the car bon brush is exposed to contact the com mutator it will automatically shut off the motor When this occurs both carbon brushes should be replaced at the same Commutator time Use only identical carbon brushes Insulating tip Carbon brush Use a screwdriver to remove the brush holder cover Screwdriver Brush holder cover Use a screwdriver to remove the brush holder caps Take out the worn carbon brushes insert the new ones and secure the brush holder caps Senwidnuer Brush holder cap 12 Lubrication CAUTION This servicing should be performed by Makita Authorized or Factory Service Centers only This tool required no hourly or daily lubrica tion because it has a grease packed lubri cation system It should be relubricated after every 6 months of operation Send the complete tool to Makita Authorized or Fact
10. ng the factory It is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase Should any trouble develop during this one year period return the COMPLETE tool freight prepaid to one of Makita s Factory or Authorized Service Centers If inspection shows the trouble is caused by defective workmanship or material Makita will repair or at our option replace without charge This Warranty does not apply where repairs have been made or attempted by others repairs are required because of normal wear and tear e The tool has been abused misused or improperly maintained alterations have been made to the tool IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT INCIDENTAL OR CON SEQUENTIAL DAMAGES FROM THE SALE OR USE OF THE PRODUCT THIS DISCLAIMER APPLIES BOTH DURING AND AFTER THE TERM OF THIS WARRANTY MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A SPECIFIC PURPOSE AFTER THE ONE YEAR TERM OF THIS WARRANTY This Warranty gives you specific legal rights and you may also have other rights which vary from state to state Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you Some states do not allow limitation on how long an implied warranty lasts so the above limitation may n
11. nute 6 240 _ 2550 5 230 2450 4 2 2100 3 O 160 1 700 2 130o 1300 1 120 1250 Depth gauge The depth gauge is convenient for drilling holes of uniform depth Loosen the clamp screw and adjust the depth gauge to the desired depth After adjusting tighten the clamp screw firmly NOTE Switch trigger be adjusted just by turning the adjusting dial Adjusting dial Clamp screw Depth gauge The depth gauge cannot be used at the position where the depth gauge strikes against the gear housing motor housing indicator lamp The green power ON indicator lamp lights up when the tool is switched ON If the indi cator lamp is lit but the tool does not start the carbon brushes may be worn out or Service 7 the electric circuit or the motor may be indicator lamp Sake red defective If the indicator lamp does not light up and the tool does not start the Power ON indicator lamp green ON OFF switch or the mains cord may be defective The red service indicator lamp lights up when the carbon brushes are nearly worn out to indicate that the tool needs servicing After approx 8 hours of use the motor will automatically be shut off ASSEMBLY Installing or removing bit CAUTION Always be sure that the tool is switched off and unplugged before installing or removing the bit Clean the bit shank and apply the bit grease provided to it before installing the bit Bit shank Insert
12. ory Service Center for this lubrication service However if circumstances require that you should lubricate it by yourself pro ceed as follows Run the tool for several minutes to warm it up Switch off and unpiug the tool Loosen the six screws and remove the han dle Note that the top screws are different from other screws Disconnect the connector by pulling it Remove the crank cap using a hex wrench Screws Cramp cap Hex wrench 13 Rest the tool on the table with the bit end pointing upwards This will allow the old grease to collect inside the crank housing Wipe out the old grease inside and replace with a fresh grease 60 g Use only Makita genuine hammer grease optiona accessory Filling with more than the specified amount of grease approx 60 g can cause faulty hammering action or machine failure Fill only with the specified amount of grease Reinstall the crank cap and tighten with the hex wrench Connect the connector and reinstall the handle Hammer grease Connector White CAUTION e Be careful not to damage the terminal or lead wires especially when wiping out the old grease of installing the handle e Do not tighten the crank cap excessively It is made of resin and is subject to breakage To maintain product SAFETY and RELIABILITY repairs any other maintenance or adjust ment should be performed by Makita Authorized or Factory Service Centers always using Makita replacement parts
13. ot apply to you Makita Corporation 3 11 8 Sumiyoshi cho Anjo Aichi 446 8502 Japan 884367A064 PRINTED IN JAPAN 2001 7N
14. ug If it still does not fit contact a qualified electrician to install a polarized outlet Do not change the plug in any way Double insulation eliminates the need for the three wire grounded power cord and grounded power supply system Avoid body contact with grounded surfaces such as pipes radiators ranges and refrigerators There is an increased risk of electric shock if your body is 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 to carry the tools or pull the plug from an outlet Keep cord away from heat oil sharp edges or moving parts Replace damaged cords immediately Damaged cords increase the risk of electric shock When operating a power tool outside use an outdoor extension cord marked W A or W These cords are rated for outdoor use and reduce the risk of electric shock Personal Safety 9 10 Stay alert watch what you are doing and use common sense when operating a power tool Do not use tool while tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury Dress properly Do not wear loose clothing or jewelry Contain long hair Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts 11 12
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