Rotary Hammer 25 mm (1") MODEL HR2511 Variable Speed INSTRUCTION MANUAL SPECIFICATIONS Capacities Wood 30" (1-3116") Steel Concrete 1 3 mm (112") 25 mm (1") No load speed (RPM) Overs" length Net weight 3 3 5 mm (13-3116") (9.2 lbsl ~ ~ o per w s min. 0 - 800 ~ 3,000 * Manufacturer reserves the right to change specifications without notice. * Note: Specifications may differ from country t o country. 4.
IMPORTANT SAFETY INSTRUCTI0NS (For All Tools) WARNING: WHEN USING ELECTRIC TOOLS, BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, AND PERSONAL INJURY, INCLUDING THE FOLLOWING: READ ALL INSTRUCTIONS. 1. KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries. 2. CONSIDER WORK AREA ENVIRONMENT. Don't use power tools in damp or wet locations. Keep work area well lit. Don't expose power tools t o rain.
14. REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking t o see that keys and adjusting wrenches are removed from tool before turning it on. 15. AVOID UNINTENTIONAL STARTING. Don't carry tool w i t h finger on switch. Be sure switch is OFF when plugging in. 16. EXTENSION CORDS. Make sure your extension cord is in good condition. When using an extension cord, be sure t o use one heavy enough t o carry the current your product will draw.
VOLTAGE WARNING: Before connecting the tool t o a power source (receptacle, outlet, etc.) be sure the voltage supplied is the same as that specified o n the nameplate of the tool. A power source w i t h voltage greater than that specified for the tool can result in SERIOUS INJURY t o the user - as well as damage t o the tool. If in doubt, DO NOT PLUG IN THE TOOL. Using a power source with voltage less than the nameplate rating is harmful t o the motor. For all grounded tools w i t h American type plug.
ADDITIONAL SAFETY RULES 1. Wear a hard hat (safety helmet), safety glasses and/or face shield. It is also highly recommended that you wear a dust mask, ear protectors and thickly padded gloves. 2. Be sure the bit is secured in place before operation. 3. 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. 4.
Bit grease Coat the bit shank head beforehand with a small amount (about 0.5- 1g; 0.02-0.04 oz.) of bit grease. This chuck lubrication assures smooth action and longer service life. Installing or removing drill bit CAUTION: Always be sure that the tool i s switched off and unplugged before installing or removing the bit. To install the bit, press the change ring in the direction of the arrow, align the key groove on the bit shank with the red dot and insert the bit. Now release the change ring.
Side grip (auxiliary handle) 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 clockwise. Selecting action mode Rotation with hammering: For drilling in concrete, granite, tile, etc., rotate the change lever to the position. lever - Rotation only: For drilling in wood or metal, rotate the change lever to the position.
Switch action Too speed is increased by increasing pressure on the trigger. To start the tool, simply pull the trigger. Release the trigger to stop. A speed control screw is provided so that maximum tool speed can be limited (variable). Turn the speed control screw clockwise for higher speed, and counterclockwise for lower speed. I Speed control screw CAUTION : Before plugging in the tool, always check to see that the trigger switch actuates properly and returns to the "OFF" position when released.
Driving in anchor manually The drill bit has a red marking a t a point corresponding to the anchor length. So drill to that depth. Use the blow-out bulb to clean out the hole. Put a plug on the anchor and hammer it into the concrete. setting tool hor setting rod) Screw in a bolt to fasten equipment.
Dust collector Use the dust collector for safe, sanitary overhead operations. Install the bit, then attach the dust collector on the end by turning and applying pressure. Then secure it by turning the metal retainer clockwise. Metal retainer CAUTION : Empty the dust collector of i t s contents after drilling every 2 or 3 holes. Drilling in wood or metal Set the change lever for "rotation only.
Install the center bit. I Center bit Rest the core bit on the concrete and turn the tool on. Once the core bit has cut a shallow groove into the concrete, remove the center bit. Then resume drilling. To remove the core bit, hold the adapter with the wrench, insert the rod into the hole in the core bit and tap with a hammer to unscrew.
MA1NTENANCE 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 carbon brush i s exposed to contact the commutator, it will automatically shut off the motor. When this occurs, both carbon brushes should be replaced a t the same time. Use only identical carbon brushes. 77 Insulating tip J Use a screwdriver to remove the brush holder caps.
Lubrication This tool requires no hourly or daily lubrication because it has a grease-packed lubrication system. It should be relubricated after every 6 months of operation. Send the complete tool to Makita Authorized or Factory Service Center for this lubrication service. However, if circumstances require that you should lubricate it by yourself, proceed as follows. Run the tool for several minutes to warm it up. Switch off and unplug the tool.
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 t o persons. The accessoriesor attachments should be used only in the proper and intended manner. 0 Blow-out bulb Part No. 765009-6 Tungsten-carbide tip bits Part NO. I Diameter I Overall length 0 Hex wrench 5 Part No. 783203-8 0 Lock nut wrench 35 Part No. 782407-9 0 Hammer grease 30 g; 102.
oct -08-'91 us 25 mm (1") ROTARY HAMMER Model HR2511 Note: The switch and other part configurations may differ from country to country.
oct -08-'91 MODEL HR2511 'LiM AtD 'LiM DESCRIPTION MACHINE 2 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 21 22 23 24 25 4 1 2 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 2 1 1 1 1 I 26 27 26 29 30 31 32 33 34 35 38 37 38 39 40 41 42 43 44 45 1 1 1 1 1 1 1 1 1 1 2 1 1 I 46 1 1 47 ,& us DESCRIPTION E* 48 49 50 51 52 53 54 55 Hex Socket Head Bolt M6x25 lWtth Washer1 Ball Bearing 3009 Roller 6 5 Nut M 3 0 3 - 3 6 Barrel ORing 48 Needle Bearing 3516 Flat Washer 35 Sporal Bevel Gear 33 Striker 56 5