Makita HR2450F manuale d’uso

INSTR UCTION MANU AL W ARNING: F or your personal saf ety , READ and UNDERST AND bef ore using. SA VE THESE INSTR UCTIONS FOR FUTURE REFERENCE. www .makitatools.com Rotar y Hammer V ariable speed / Re versing 25 mm (1”) MODEL HR2450F 003571 DOUBLE INSULA TION[...]

2 SPECIFICATIONS • Manuf acturer reser ves the right to change specifications without notice. • Specifications ma y differ from country to countr y . GENERAL SAFETY R ULES USA002-2 (F or All T ools ) W ARNING: Read and understand all instructions. F ailure to f ollow all instructions listed below , ma y result in electr ic shock, fire and/or se[...]

3 still does not fit, contact a qualified elec- trician to install a polarized outlet. Do not change the plug in any wa y . Double insula- tion eliminates the need for the three wire grounded pow er cord and grounded power supply system. 5. A void body contact with gr ounded sur- faces such as pipes, radiators, ranges and refrigerators. There is an[...]

4 22. Use only accessories that are recom- mended by the manufacturer f or your model. Accessories that may be suitab le for one tool, may become hazardous when used on another tool. SER VICE 23. T ool service must be performed only b y qualified repair personnel. Service or main- tenance performed by unqualified personnel could result in a risk of[...]

5 4. Be sure the bit is secured in place before operation. 5. Under normal operation, the tool is designed to produce vibration. The screws can come loose easil y , causing a breakdown or accident. Chec k tightness of screws carefull y before operation. 6. In cold weather or when the tool has not been used for a long time, let the tool warm up for [...]

6 FUNCTIONAL DESCRIPTION CA UTION: • Alwa ys be sure that the tool is switched off and unplugged bef ore adjusting or checking function on the tool. Switch action CA UTION: • Bef ore plugging in the tool, always chec k to see that the s witch tr igger actuates properly and retur ns to the “ OFF ” position when released. T o star t the tool,[...]

7 This tool has a re versing s witch to change the direction of rotation. Mov e the rev ersing switch le ver to the position (A side) f or clockwise rotation or to the position (B side) f or counterclockwise rotation. Selecting action mode CA UTION: • Do not rotate the action mode changing knob when the tool is running under load. The tool will b[...]

8 To r q u e l i m i t e r The torque limiter will actuate when a cer tain torque lev el is reached. The motor will disengage from the output shaft. When this happens, the bit will stop turning. CA UTION: • As soon as the torque limiter actuates, s witch off the tool immediately . This will help prev ent premature wear of the tool. • Hole saws [...]

9 Installing or removing the bit Clean the bit shank and apply bit grease bef ore installing the bit. Inser t the bit into the tool. T urn the bit and push it in until it engages. After installing, alwa ys make sure that the bit is securely held in place by trying to pull it out. T o remove the bit, pull the chuc k cov er down all the wa y and pull[...]

10 Depress the lock b utton 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 . Depth gauge The depth gauge is conv enient for drilling holes of unif or m depth. Loosen the side grip and inser t the depth gauge into the hole in the side grip . Adjust the depth gauge [...]

11 CA UTION: • There is tremendous and sudden twisting f orce ex er ted on the tool/bit at the time of hole break-through, when the hole becomes clogged with chips and par ticles, or when striking reinforcing rods embedded in the concrete . Alwa ys use the side grip (auxiliar y handle) and fir mly hold the tool by both side g r ip and switch hand[...]

12 • Pressing e xcessively on the tool will not speed up the drilling. In fact, this e xcessive pressure will only serve to damage the tip of your bit, decrease the tool perf or mance and shor ten the ser vice life of the tool. • There is a tremendous twisting f orce ex er ted on the tool/ bit at the time of hole breakthrough. Hold the tool fir[...]

13 AC C E S S O R I E S CA UTION: • These accessories or attachments are recommended for use with your Makita tool specified in this man ual. The use of any other accessories or attachments might present a risk of injur y to persons. Only use accessory or attachment f or its stated pur pose. If you need an y assistance for more details regarding [...]

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17 First-Class Postage Required Post Office will not deliver without proper postage. Makita U .S.A., Inc. 14930 Nor tham Street La Mirada, CA 90638-5753 Fold Cut[...]

18 1. This product was purchased fr om: Home Center Hardware/Lumber Store T ool Distributor Industrial Supply Construction Supply Other ( ) 3. Ho w did you learn about this product: Magazine F rom Dealer Newspaper Store Display Catalog Radio Exhibition F rom Friend Previous Usage Other ( ) 2. Use of the pr oduct is intended for: Construction T rade[...]

19 F A CT OR Y SER VICE CENTERS 1-800-4-MAKIT A RET AIN THIS PORTION FOR Y OUR RECORDS ARIZONA 3707 E. Broadway Rd., Ste. 6 Phoenix, AZ 85040 (602) 437-2850 CALIFORNIA 41850 Christy St. Fremont, CA 94538-5107 (510) 657-9881 14930 Northam St. La Mirada, CA 90638-5753 (714) 522-8088 1970 Fulton Av enue Sacramento , CA 95825 (916) 482-5197 7674 Claire[...]

W ARNING Some dust created by po wer sanding, sawing, g r inding, drilling, and other construction activities contains chemicals known to the State of Calif or nia to cause cancer , bir th defects or other reproductiv e har m. Some examples of these chemicals are: • lead from lead-based paints, • cr ystalline silica from bricks and cement and o[...]