Assessments - 5, GPA: 4.6
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For MASONRY, such as brick, cement, cinder block etc., use carbide-tipped bits. 3. Be sure the material to be drilled is anchored or clamped firmly. If drilling thin material, use a wood “back-up" block to prevent damage to the material. 4. Always apply pressure in a straight line with the bit. Use enough pressure to keep drill biting, but do not push hard enough to stall the motor or deflect the bit. 5. Hold drill firmly to control the twisting action of the drill. Use side handle. CAUTION: Drill may stall if overloaded causing a sudden twist. Always expect the stall. Grip the drill firmly to control the twisting action and avoid injury. 6. IF DRILL STALLS, it is usually because it is being overloaded or improperly used. RELEASE TRIGGER IMMEDIATELY, remove drill bit from work, and determine cause of stalling. DO NOT CLICK TRIGGER OFF AND ON IN AN ATTEMPT TO START A STALLED DRILL—THIS CAN DAMAGE THE DRILL. 7. To minimize stalling on breaking through the material, reduce pressure on drill and ease the bit through the last fractional part of the hole. 8. Keep the motor running when pulling the bit back out of a drilled hole. This will help prevent jamming. DRILLING IN METAL Use a cutting lubricant when drilling metals. The exceptions are cast iron an brass which should be drilled dry. The cutting lubricants that work best at sulphurized cutting oil or lard oil; bacon grease will also serve the purpose. DRILLING IN WOOD Holes in wood can be made with the same twist drills used for metal. Thes bits may overheat unless pulled out frequently to clear chips from the flute: For larger holes, use Power Drill Wood Bits. Work that is apt to splintt should be backed up with a block of wood. Geared Chucks 1. Always completely insert the shank of the drill bit or accessory in th chuck. This permits full gripping power and prevents cocking the chuc jaws. When using drill bits or accessories with 3 “flats" on the shank, th chuck jaws should be located on the center of these flats. 2. Use all three holes in the chuck body to tighten the jaws. Insert the chuc key into each hole and tighten as much as possible. To release the drill bi use the chuck key in only one hole. 3. Use only a chuck key to tighten or loosen the chuck jaws. . Chuck Removal and Attachment Open chuck jaws all the way to gain access to the cap screw inside the chuck (see Figure 4), Insert hex wrench and remove cap screw (right hand thread). Pull chuck straight off spindle. Do not try to unscrew chuck. Chuck Key Holder 1. Push double-hole end of holder through the slot in other end of holder (Figure 5.) 2. Slip loop over electric plug and draw loop tight around cord (Figure 6.) 3. Push ends of chuck key handle through 2 holes in end of holder (Figure 7.) Cleaning With the tool motor running, blow dirt and dust out of all air vents with dry air at least once a week. Lubrication Your tool was properly lubricated before leaving the factory. In from two to six months, depending upon use, take or send your tool to a Black & Decker (U.S.) Inc. Industrial Service Center or other qualified service organization for a complete cleaning, inspection and relubrication. Tools used constantly on production or heavy duty jobs or exposed to heat may require more frequent lubrication. Tools “out of service” for long periods should be relubricated before being put back into service. Figure 4 *=0 DRIVE PINS 5 Motor Brushes Be sure tool is unplugged before inspecting brushes. Carbon brushes should be regularly inspected for wear. To inspect brushes, unscrew the plastic brush inspection caps (located in the sides of the motor housing) and withdraw the spring and brush assemblies from the tool. Keep brushes clean and sliding freely in their guides. Carbon brushes have varying symbols stamped into them, and if the brush is worn down to the line closest to the spring» it must be replaced. New brush assemblies are available at service centers. IMPORTANT! To assure product safety and reliability, particularly for double insulated tools, repairs, maintenance and adjustment (excluding maintenance described in this manual) should be performed by B&D service centers or authorized service centers, using identical B&D replacement parts. Accessories If you need assistance in locating any accessory call 1-800-9-BD TOOL: (1-800-923-8665) or contact Black & Decker (U.S.) Inc., Consumer Services Department, 626 Hanover Pike, P.O. Box 618, Hampstead, MD 21074. CAUTION: The use of any non-recommended accessory may be hazardous. , Every B&D tool is of the highest quality. If you wish to contact us regarding this product, please call toll free between «:uuam and 6:uupm 11, seven uays a w«kk. 800|9-BD1T0DI| One Year Free Maintenance All B&D tools for Industry and Construction are covered under a one year free maintenance program where B&D will inspect your tool for safety and provide necessary maintenance or repairs, including normal wear and tear parts, for ...
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Brocas e shuropopverty - 1339 (2.83 mb)