User manual RYOBI AG450

[. . . ] (115 mm) Angle Grinder Model AG450 / Double Insulated SPECIFICATIONS: Grinding Wheel Capacity Rating No Load Speed Amperes Net Weight 4-1/2 in. Your new angle grinder has been engineered and manufactured to Ryobi's high standard for dependability, ease of operation, and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance. CAUTION: Carefully read through this entire operator's manual before using your new angle grinder. [. . . ] Proper interpretation of these symbols will allow you to operate the tool better and safer. SYMBOL V A Hz W min Volts Amperes Hertz Watt Minutes Alternating Current n0 No Load Speed NAME DESIGNATION/EXPLANATION Voltage Current Frequency (cycles per second) Power Time Type or a characteristic of current Rotational speed, at no load Designates Double Insulated Construction tools Revolutions, strokes, surface speed, orbits etc. Page 6 Class II Construction . . . /min Revolutions or Reciprocation Per Minute Safety Alert Symbol ELECTRICAL EXTENSION CORDS When using a power tool at a considerable distance from the power source, use an extension cord heavy enough to carry the current that the tool will draw. An undersized extension cord will cause a drop in line voltage, resulting in a loss of power and causing the motor to overheat. Use the chart provided below to determine the minimum wire size required in an extension cord. Only round jacketed cords listed by Underwriter's Laboratories (UL) should be used. Length of Extension Cord Wire Size (A. W. G. ) Up to 25 16 26 to 50 14 51 to 100 12 When working with the tool outdoors, use an extension cord that is designed for outside use. Before using an extension cord, inspect it for loose or exposed wires and cut or worn insulation. ELECTRICAL CONNECTION Your grinder has a precision built electric motor. It should be connected to a power supply that is 120 volts, 60Hz, AC only (normal household current). A substantial voltage drop will cause a loss of power and the motor will overheat. If your tool does not operate when plugged into an outlet, double-check the power supply. CAUTION: Keep the cord away from the work area and position the cord so that it will not be caught on materials or other objects during grinding. UNPACKING With the exception of the side handle and accessory wheels, your angle grinder has been shipped completely assembled. s Inspect grinder carefully to make sure no breakage or damage has occurred during shipping. s If any parts are damaged or missing, call 1-800-5252579 to obtain replacement parts before attempting to operate grinder. s Do not discard the packing material until you have carefully inspected and satisfactorily operated grinder. PACKING LIST Angle Grinder with Guard Carrying Case Grinding Wheel (1) Wire Wheel Brush (1) Abrasive Mop Disc (1) Side Handle Wrench Operator's Manual Warranty Registration Card WARNING: If any parts are missing, do not operate your grinder until the missing parts are replaced. Failure to do so could result in possible serious personal injury. Page 7 FEATURES KNOW YOUR ANGLE GRINDER Before attempting to use your grinder, familiarize yourself with all operating features and safety requirements. Make sure all grinding wheels and recommended accessories are in accordance with listed specifications for this tool. For example, do not use grinding wheels that are rated at less than 11, 000 RPM. Spindle Lock Button The spindle lock button secures the spindle so that only one wrench is needed to change the grinding wheel. Switch with Lock-on Feature Your grinder has a conveniently located switch. It also has a lock-on feature that allows the grinder to be locked in the on position when continuous operation for extended periods of time is required. Guard A protective guard has been provided on your grinder. It deflects sparks and metal chips during use. APPLICATIONS (Use only for the purposes listed below) s Grinding metals. s Wire brushing rusted or painted surfaces. Heavy Duty Motor Your angle grinder has a powerful motor with sufficient power to handle tough grinding jobs that require heavy duty performance. Side Handle The side handle provided, stabilizes your grinder and must be used during all operations. In addition to maintaining safe control during use, the side handle also provides convenient ease of operation for the operator. WARNING: Do not allow familiarity with your grinder to make you careless. Remember that a careless fraction of a second is sufficient to inflict severe injury. SPINDLE LOCK BUTTON LOCK-ON BUTTON TRIGGER SWITCH SIDE HANDLE GRINDING WHEEL GUARD Fig. [. . . ] s If you are making adjustments, rotate the guard to its correct position as shown in figures 4, 5, and 9, then retighten clamp screw securely. Never use your grinder without the guard in place and properly adjusted. Note: Be sure the tabs on the guard are seated in the groove in the bearing cap. s If you are replacing the guard, loosen the clamp screw until the guard can be removed from the bearing cap. [. . . ]