OPERATOR’S MANUAL ANGLE GRINDER 4-1/2 in., 18 V P420 BATTERIES AND CHARGERS SOLD SEPARATELY Your angle grinder has been engineered and manufactured to our high standard for dependability, ease of operation, and operator safety. When properly cared for, it will give you years of rugged, trouble-free performance. WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before using this product. Thank you for your purchase.
TABLE OF CONTENTS Introduction ..................................................................................................................................................................... 2 � Warranty .......................................................................................................................................................................... 2 General Safety Rules .......................................................................................................
GENERAL SAFETY RULES Use safety equipment. Always wear eye protection. Dust mask, non-skid safety shoes, hard hat, or hearing protection must be used for appropriate conditions. Do not wear loose clothing or jewelry. Contain long hair. Loose clothes, jewelry, or long hair can be drawn into air vents. Do not use on a ladder or unstable support. Stable footing on a solid surface enables better control of the tool in unexpected situations. WARNING! READ AND UNDERSTAND ALL INSTRUCTIONS.
GENERAL SAFETY RULES SERVICE When servicing a tool, use only identical replacement parts. Follow instructions in the Maintenance section of this manual. Use of unauthorized parts or failure to follow Maintenance Instructions may create a risk of shock or injury. Tool service must be performed only by qualified repair personnel. Service or maintenance performed by unqualified personnel may result in a risk of injury. SPECIFIC SAFETY RULES Always use proper guard with grinding wheel.
SAFETY RULES FOR CHARGER WARNING! READ AND UNDERSTAND ALL INSTRUCTIONS. Failure to follow all instructions listed below, may result in electric shock, fire and/or serious personal injury. Before using battery charger, read all instructions and cautionary markings in this manual, on battery charger, battery, and product using battery to prevent misuse of the products and possible injury or damage.
SYMBOLS Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the product better and safer.
SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL SIGNAL MEANING DANGER: Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury. CAUTION: Indicates a potentially hazardous situation, which, if not avoided, may result in minor or moderate injury.
FEATURES PRODUCT SPECIFICATIONS Grinding Wheel Capacity.......................................4-1/2 in. Spindle Thread ............................................. 5/8 x 11 UNC Motor ................................................................. 18 Volt DC Charger Input .................................. 120 V, 60 Hz, AC only No Load Speed ..................................... 6,500 r/min. (RPM) Charge Rate ..............................................................
FEATURES KNOW YOUR ANGLE GRINDER SIDE HANDLE See Figure 1. The safe use of this product requires an understanding of the information on the product and in this operator’s manual as well as a knowledge of the project you are attempting. Before use of this product, familiarize yourself with all operating features and safety rules. The side handle can be installed on the top, left, or right side of the grinder for stabilization and must be used during all operations.
ASSEMBLY ATTACHING THE SIDE HANDLE See Figure 2. � Remove the battery pack from the grinder. Insert the side handle into the desired operating position. NOTE: The handle can be installed on the top, left, or right side of the grinder, depending on operator preference. The handle must always be used to prevent loss of control and possible serious injury. Securely tighten by turning the side handle clockwise. SIDE HANDLE Fig.
OPERATION CHARGING A COOL BATTERY PACK CHARGING A HOT BATTERY PACK If battery pack is within normal temperature range, the red LED on charger will come on. NOTE: If the charger does not charge the battery pack under normal circumstances, return both the battery pack and charger to your nearest Authorized Service Center for electrical check. Charge the battery pack only with the charger provided. Make sure the power supply is normal household voltage, 120 volts, 60 Hz, AC only.
OPERATION TO INSTALL BATTERY PACK See Figure 4. Place the battery pack on the tool. Make sure the latches on each side of the battery pack snap into place and the battery pack is secured on the tool before beginning operation. BATTERY PACK TO REMOVE BATTERY PACK See Figure 4. Depress the latches on the side of battery pack. Remove the battery pack from the tool. WARNING: Battery products are always in operating condition.
OPERATION DANGER: WRENCH Never attach a wood cutting or carving blade of any type to this grinder. It is only designed for grinding and sanding. Use for any other purpose is not recommended and creates a hazard, which will result in serious injury. TO LOOSEN CLAMP NUT TO TIGHTEN GRINDING WHEEL DANGER: DISC FLANGE Never attach a type 1 straight or cut-off wheel to this angle grinder. It is only designed for grinding and sanding.
OPERATION POSITIONING THE GUARD See Figures 7 - 10. The guard on the grinder should be correctly installed depending on which side the handle is mounted. Never use the grinder without the guard correctly in place. WARNING: Never place the guard so that it is in front of the grinder as shown in figure 7. This could result in serious injury because sparks and loose particles thrown from the grinding wheel would be directed toward the operator. Always place the guard in the correct location as shown.
OPERATION OPERATING THE GRINDER SIDE HANDLE ON RIGHT SIDE OF GRINDER See Figure 12. Always carefully select and use grinding wheels that are recommended for the material to be ground. Make sure that the minimum operating speed of any accessory wheel selected is 6,500 r/min. or more. The grinding wheel provided with the grinder is suitable for grinding welds, preparing surfaces to be welded, grinding structural steel, and grinding stainless steel.
MAINTENANCE GENERAL MAINTENANCE WARNING: Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, oil, grease, etc. When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage. WARNING: WARNING: Do not at any time let brake fluids, gasoline, petroleumbased products, penetrating oils, etc.
MAINTENANCE REPLACING THE GUARD See Figure 13. WRENCH WARNING: TO LOOSEN CLAMP NUT Do not change or loosen guard screw. Failure to heed this warning may cause the guard to become loose during operation resulting in serious personal injury. TO TIGHTEN GRINDING WHEEL After extended use, the guard may wear and need replacing. If you drop the grinder and damage the guard it may also be necessary for you to replace it. To replace the guard: Remove the battery pack from the grinder.
OPERATOR’S MANUAL 4-1/2 in., 18 VOLT ANGLE GRINDER P420 WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known 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.