Instruction/ maintenance manual of the product HR3851 Makita
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INSTR UCTION MANU AL W ARNING: F or your personal saf ety , READ and UNDERST AND bef ore using. SA VE THESE INSTRUCTIONS FOR FUTURE REFERENCE. www .makitatools.
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 USA001-2 (F or All T ools ) W ARNING: Read and understand all instructions.
3 to whether the outlet is properly grounded. If the tools should electrically mal- function or break down, grounding pro vides a low resistance path to carry electr icity aw ay from the user . 5. A void body contact with gr ounded sur- faces such as pipes, radiators, ranges and refrigerators.
4 model. Accessories that may be suitab le for one tool, ma y 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 injur y .
5 An adapter Fig. “B” and “C” is av ailable f or connecting Fig. “A” type plugs to two-prong receptacles. The g reen-colored r igid ear , lug, etc., e xtending from the adapter must be con- nected to a permanent ground, such as a properly grounded outlet box.
6 8. Hold the tool firmly with both hands. 9. Keep hands awa y from moving parts. 10. Do not leave the tool running. Operate the tool only when hand-held. 11 . Do not point the tool at any one in the area when operating. The bit could fly out and injure someone seriously .
7 FUNCTIONAL DESCRIPTION CA UTION: • Alwa ys be sure that the tool is s witched 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.
8 ASSEMBL Y CA UTION: • Alwa ys be sure that the tool is s witched off and unplugged before carrying out any w or k on the tool. Side grip (auxiliary handle) F or maximum control and safer operation, alw ays use the side grip with this tool. The side grip swings around to either side, allo wing easy handling of the tool in any position.
9 Depth gauge The depth gauge is conv enient for drilling holes of unif or m depth. Inser t the depth gauge into the hole in the grip base. Adjust the depth gauge to the desired depth and then tighten the clamp screw to secure the depth gauge .
10 Chipping/Scaling/Demolition Set the change le ver to the symbol. Hold the tool firmly with both hands. T ur n the tool on and apply slight pressure on the tool so that the tool will not bounce around, uncontrolled. Pressing v er y hard on the tool will not increase the efficiency .
11 T o remov e the core bit, follo w the procedures 1 or 2. 1. Rotate the change le ver to the position. Then rest the core bit on the concrete and tur n the tool on.
12 Replacing carbon brushes When the resin insulating tip inside the carbon brush is e xposed to contact the commutator , it will automatically shut off the motor . When this occurs, both carbon brushes should be replaced. K eep the carbon br ushes clean and free to slip in the holders.
13 Wipe out the old grease inside and replace with a fresh grease (60 g; 2 oz). Use only Makita genuine hammer grease (optional accessory). Filling with more than the spec- ified amount of grease (appro x. 60 g; 2 oz) c an cause f aulty hammering action or tool failure .
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Memo 16.
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 purc hased from: 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.
19 F A CT OR Y SER VICE CENTERS 1-800-4-MAKIT A RET AIN THIS POR TION FOR Y OUR RECORDS ALABAMA 2365 Pelham P arkway Pelham, AL 35124 (205) 620-1791 ARIZONA 3707 E. Broadw ay Rd., Ste. 6 Phoenix, AZ 85040 (602) 437-2850 ARKANSAS Shackleford Shopping Center 240 South Shackleford Rd.
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 harm.
An important point after buying a device Makita HR3851 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Makita HR3851 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Makita HR3851 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Makita HR3851 you will learn all the available features of the product, as well as information on its operation. The information that you get Makita HR3851 will certainly help you make a decision on the purchase.
If you already are a holder of Makita HR3851, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Makita HR3851.
However, one of the most important roles played by the user manual is to help in solving problems with Makita HR3851. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Makita HR3851 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
