Dewalt DW840 Instruction Manual - Page 5

injury. Accessory ratings must always be above tool speed as Use gloves to provide extra cushion and limit exposure by taking shown on tool nameplate. frequent rest periods. • Hold tool by insulated gripping surfaces when performing WARNING: Some dust created by power sanding, sawing, grind- English an operation where the cutting tool may contact hidden ing, drilling, and other construction activities contains chemicals wiring or its own cord. Contact with a "live" wire will make known to cause cancer, birth defects or other reproductive harm. exposed metal parts of the tool "live" and shock the operator. Some examples of these chemicals are: • Do not use Type 11 Flaring Cup wheels on this tool. Using • lead from lead-based paints, inappropriate accessories can result in injury. • crystalline silica from bricks and cement and other masonry • Before using, inspect recommended accessory for cracks or products, and flaws. If such a crack or flaw is evident, discard the accessory. • arsenic and chromium from chemically-treated lumber The accessory should also be inspected whenever you think the tool may have been dropped. Flaws may cause wheel breakage. (CCA). Your risk from these exposures varies, depending on how often you • When starting the tool with a new or replacement wheel, a new or replacement wire brush installed, or if you are do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equip- unsure of the condition of the wheel, hold the tool in a well ment, such as those dust masks that are specially designed to fil- protected area and let it run for one minute. If the wheel has an undetected crack or flaw, it should burst in less than one minute. If the wire brush has loose wires, they will be detected. Never start the tool with a person in line with the wheel. This includes the operator. ter out microscopic particles. • Avoid prolonged contact with dust from power sanding, sawing, grinding, drilling, and other construction activities. Wear protective clothing and wash exposed areas with soap and water. Allowing dust to get into your mouth, eyes, or • Avoid bouncing the wheel or giving it rough treatment. If this occurs, stop the tool and inspect the wheel for cracks or flaws. • Direct sparks away from operator, bystanders or flammable materials. Sparks may be produced while using a sander or lay on the skin may promote absorption of harmful chemicals. WARNING: Use of this tool can generate and/or disburse dust, which may cause serious and permanent respiratory or other injury. Always use NIOSH/OSHA approved respiratory protection appro- grinder. Sparks may cause burns or start fires. priate for the dust exposure. Direct particles away from face and • Always use side handle. Tighten the handle securely. The body. side handle should always be used to maintain control of the tool at all times. CAUTION: Use extra care when grinding into a corner because a sudden, sharp movement of the grinder may be experi- • Clean out your tool often, especially after heavy use. Dust enced when the wheel or other accessory contacts a secondary and grit containing metal particles often accumulate on interior surface. surfaces and could create an electric shock hazard. CAUTION: Wear appropriate hearing protection during use. • Do not operate this tool for long periods of time. Vibration Under some conditions and duration of use, noise from this prod- caused by tool action may be harmful to your hands and arms. uct may contribute to hearing loss. 3