Resumen del contenido incluido en la página 1
Rotary Hammer
Variable speed / Reversing
25 mm (1”)
MODEL HR2450F
003571
DOUBLE
INSULATION
INSTR U CTION MANU AL
WARNING:
For your personal safety, READ and UNDERSTAND before using.
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.
www.makitatools.com
Resumen del contenido incluido en la página 2
SPECIFICATIONS Model HR2450F Concrete 25 mm (1”) Core bit 54 mm (2-1/8”) Capacities Steel 13 mm (1/2”) Wood 32 mm (1-1/4”) No load speed (RPM) 0 - 1,100/min. Blows per minute 0 - 4,500 Overall length 360 mm (14-1/8”) Net weight 2.4 kg ( 5.3 lbs) • Manufacturer reserves the right to change specifications without notice. Specifications may differ from country to country. GENERAL SAFETY RULES USA002-2 (For All Tools) WARNING: Read and understand all instructions. Failure to follow all instruction
Resumen del contenido incluido en la página 3
still does not fit, contact a qualified elec- key that is left attached to a rotating part of trician to install a polarized outlet. Do not the tool may result in personal injury. change the plug in any way. Double insula- 13. Do not overreach. Keep proper footing tion eliminates the need for the three wire and balance at all times. Proper footing and grounded power cord and grounded power balance enables better control of the tool in supply system. unexpected situations. 5. Avoid body contact
Resumen del contenido incluido en la página 4
22. Use only accessories that are recom- tenance performed by unqualified personnel mended by the manufacturer for your could result in a risk of injury. model. Accessories that may be suitable for 24. When servicing a tool, use only identical one tool, may become hazardous when used replacement parts. Follow instructions in on another tool. the Maintenance section of this manual. Use of unauthorized parts or failure to follow SERVICE Maintenance instructions may create a risk of 23. Tool servic
Resumen del contenido incluido en la página 5
4. Be sure the bit is secured in place before 8. Hold the tool firmly with both hands. operation. 9. Keep hands away from moving parts. 5. Under normal operation, the tool is 10. Do not leave the tool running. Operate the designed to produce vibration. The tool only when hand-held. screws can come loose easily, causing a breakdown or accident. Check tightness 11. Do not point the tool at any one in the area of screws carefully before operation. when operating. The bit could fly out and injure so
Resumen del contenido incluido en la página 6
FUNCTIONAL CAUTION: DESCRIPTION • Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. 001292 Switch action CAUTION: • Before plugging in the tool, always check to see that the 2 1 switch trigger actuates properly and returns to the “OFF” position when released. To start the tool, simply pull the switch trigger. Tool speed is increased by increasing pressure on the switch trigger. 1. Switch trigger Release the switch trigger to stop. For
Resumen del contenido incluido en la página 7
This tool has a reversing switch to change the direction of rotation. Move the reversing switch lever to the position (A side) for clockwise rotation or to the position (B side) for counterclockwise rotation. Selecting action mode CAUTION: • Do not rotate the action mode changing knob when the tool is running under load. The tool will be damaged. • To avoid rapid wear on the mode change mechanism, be sure that the action mode changing knob is always positively located in one of the three actio
Resumen del contenido incluido en la página 8
Torque limiter The torque limiter will actuate when a certain torque level is reached. The motor will disengage from the output shaft. When this happens, the bit will stop turning. CAUTION: • As soon as the torque limiter actuates, switch off the tool immediately. This will help prevent premature wear of the tool. • Hole saws cannot be used with this tool. They tend to pinch or catch easily in the hole. This will cause the torque limiter to actuate too frequently. ASSEMBLY CAUTION: • Always be s
Resumen del contenido incluido en la página 9
001296 Installing or removing the bit Clean the bit shank and apply bit grease before installing the 1 bit. 2 1. Bit shank 2. Bit grease 001297 Insert the bit into the tool. 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. 1 2 1. Bit 2. Chuck cover 001298 To remove the bit, pull the chuck cover down all the way and pull the bit out. 1 2 1. Bit 2. Chuck cover 003576 Bit angle (when chipping, scaling o
Resumen del contenido incluido en la página 10
003577 Depress the lock button and rotate the action mode changing knob to the symbol. Then make sure that the bit is securely held in place by turning it slightly. 001299 Depth gauge 1 The depth gauge is convenient for drilling holes of uniform depth. Loosen the side grip and insert the depth gauge into the hole in the side grip. Adjust the depth gauge to the desired depth and tighten the side grip. NOTE: • The depth gauge cannot be used at the position where 1. Depth gauge the depth gauge str
Resumen del contenido incluido en la página 11
CAUTION: • There is tremendous and sudden twisting force exerted on the tool/bit at the time of hole break-through, when the hole becomes clogged with chips and particles, or when striking reinforcing rods embedded in the concrete. Always use the side grip (auxiliary handle) and firmly hold the tool by both side grip and switch handle during operations. Failure to do so may result in the loss of control of the tool and potentially severe injury. 001302 Blow-out bulb Use the blow-out bulb to clea
Resumen del contenido incluido en la página 12
• Pressing excessively on the tool will not speed up the drilling. In fact, this excessive pressure will only serve to damage the tip of your bit, decrease the tool performance and shorten the service life of the tool. • There is a tremendous twisting force exerted on the tool/ bit at the time of hole breakthrough. Hold the tool firmly and exert care when the bit begins to break through the workpiece. • A stuck bit can be removed simply by setting the reversing switch to reverse rotation in orde
Resumen del contenido incluido en la página 13
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. Only use accessory or attachment for its stated purpose. If you need any assistance for more details regarding these accessories, ask your local Makita service center. • SDS Plus Carbide-tipped bits • Core bit • Bull point • Cold chisel • Scaling chisel • Grooving chisel • Bit gre
Resumen del contenido incluido en la página 14
Memo 14
Resumen del contenido incluido en la página 15
Memo 15
Resumen del contenido incluido en la página 16
Memo 16
Resumen del contenido incluido en la página 17
First-Class Postage Required Post Office will not deliver without proper postage. Makita U.S.A., Inc. 14930 Northam Street La Mirada, CA 90638-5753 Fold 17 Cut
Resumen del contenido incluido en la página 18
MAIL THIS PORTION Your answers to the following questions are appreciated. 1. This product was purchased from: 3. How did you learn about this product: Home Center Other ( ) Magazine Radio Hardware/Lumber Store From Dealer Exhibition Tool Distributor Newspaper From Friend Industrial Supply Store Display Previous Usage Construction Supply Catalog Other ( ) 2. Use of the product is intended for: 4. Most favored points are: Construction Trade Design Repair Se
Resumen del contenido incluido en la página 19
FACTORY SERVICE CENTERS 1-800-4-MAKITA RETAIN THIS PORTION FOR YOUR RECORDS ARIZONA FLORIDA MISSOURI PENNSYLVANIA 3707 E. Broadway Rd., Ste. 6 750 East Sample Road 9876 Watson Road 1704 Babcock Blvd. Phoenix, AZ 85040 Pompano Beach, FL 33064 St. Louis, MO 63126-2221 Pittsburgh, PA 15209 (602) 437-2850 (954) 781-6333 (314) 909-9889 (412) 822-7370 CALIFORNIA GEORGIA NEBRASKA PUERTO RICO 41850 Christy St. 4680 River Green Parkway NW 4129 S. 84th St. 200 Guayama St. Fremont, CA 94538-5107 Duluth,
Resumen del contenido incluido en la página 20
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, • crystalline silica from bricks and cement and other masonry products, and • arsenic and chromium from chemically-treated lumber. Your risk from these exposures varies, depending on how often you do this type of
