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Makita HR4500C manual

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Table of contents for the manual

  • Page 1

    Rotarv Hammer Capacities Tungsten-carbide bit 1 Core bit I 45 mm (1-3/4") MODEL HR4500C No load speed Blows Overall Net IRPMI per minute 1 length I weight INSTRUCTION MANUAL DOUBLE INSULATION SPECIFICATIONS * Manufacturer reserves the right to change specifications without notice. * Note: Specifications may differ from country to country. WARN[...]

  • Page 2

    GENERAL SAFETY RULES USA0021 (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. Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. 2. Do not oper[...]

  • Page 3

    11. 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. 12. 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.[...]

  • Page 4

    USBOlO 1 Specific Safety Rules 1. 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. 2. Wear ear protectors when using the tool for extended per[...]

  • Page 5

    SYMBOLS The followings show the symbols used for tool. V A Hz % n, El .. ./min LI=, ................................. volts ................................. amperes ................................. herts ................................. alternating current ................................. no load speed ................................. Class II[...]

  • Page 6

    FUNCTIONAL DESCRIPTION Selecting action mode Rotation with hammering For drilling in concrete, masonry, etc., depress the lock button and rotate the change lever so that the pointer points to the symbol. Use a tungsten carbide- tipped bit. The bit can be secured at 16 different angles. To change the bit angle, depress the lock button and rotate the[...]

  • Page 7

    Depress the lock button and rotate the change lever so that the pointer points to the symbol. Then make sure that the bit is securely held in place by turning it slight- ly. 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 wit[...]

  • Page 8

    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. Number on adjusting dial 6 5 4 3 2 1 Speedchange The revolutions and blows per minute can be adjusted ju[...]

  • Page 9

    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 the electric circuit or the motor may be defective. If the indicator lamp does not light up and the tool does not start, the ON/OFF switch or the mains cord may b[...]

  • Page 10

    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. 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. 10[...]

  • Page 11

    OPERATION Hammer drilling operation Set the change lever to theufl 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 p[...]

  • Page 12

    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 rep[...]

  • Page 13

    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 Factory Service Center for [...]

  • Page 14

    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 9). Use only Makita genuine hammer grease (optional accessory). Filling with more than the specified amount of grease (approx. 60 g) can cause faulty ham[...]

  • Page 15

    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 in the proper and intended manner Safety goggle Part No. 191 686-2 - Side handle Part[...]

  • Page 16

    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: 0 Lead from lead-based paints, 0 Crystalline silica from bricks and cement and other masonry [...]