OPERATOR'S MANUAL 4 in. (100 mm) Angle Grinder Model AG401 / Double Insulated rin 4’’ G der SPECIFICATIONS: Grinding Wheel Capacity Rating No Load Speed Amperes Net Weight 4 in. (100 mm) 120 V c.a., 60Hz 11,000 RPM 4.4 A 4.0 lbs. (1.8 kg.) THANK YOU FOR BUYING A RYOBI ANGLE GRINDER. 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.
TABLE OF CONTENTS Product Specifications .................................................................................................................................. 1 Introduction ................................................................................................................................................... 2 Rules for Safe Operaton ............................................................................................................................ 3-5 Symbols ..............
RULES FOR SAFE OPERATION of inattention while operating power tools may result in serious personal injury. Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts. Avoid accidental starting. Be sure switch is off before plugging in. Carrying tools with your finger on the switch or plugging in tools that have the switch on invites accidents.
RULES FOR SAFE OPERATION Use only accessories that are recommended by the manufacturer for your model. Accessories that may be suitable for one tool, may become hazardous when used on another tool. Dust and waste materials should not be allowed to build up in the workshop. Hot metal sparks could start a fire. Do not enlarge or alter the center hole of the grinding wheel as this could result in breaking it. Use only the normal grinder surface. Never use the side or upper surfaces for cutting.
RULES FOR SAFE OPERATION Inspect for and remove all foreign objects from workpiece before grinding. Following this rule will reduce the risk of serious personal injury. Drugs, Alcohol, Medication. Do not operate tool while under the influence of drugs, alcohol, or any medication. Following this rule will reduce the risk of electric shock, fire, or serious injury. Keep hands away from grinding area. Following this rule will reduce the risk of serious personal injury. Save these instructions.
SYMBOLS Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and safer.
ELECTRICAL EXTENSION CORDS ELECTRICAL CONNECTION 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.
FEATURES KNOW YOUR ANGLE GRINDER Side Handle Before attempting to use your grinder, familiarize yourself with all operating features and safety requirements. See Figure 1. 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. The side handle provided, stabilizes your grinder and must be used during all grinding operations.
ASSEMBLY WARNING: Your grinder should never be connected to power supply when you are assembling parts, making adjustments, installing or removing grinding wheels, or when not in use. Disconnecting your grinder will prevent accidental starting that could cause serious injury. GEAR HOUSING rin 4’’ G der INSTALLING THE SIDE HANDLE See Figure 2. UNPLUG YOUR GRINDER. WARNING: SIDE HANDLE Failure to unplug your grinder could result in accidental starting causing serious injury.
ADJUSTMENTS A WARNING: Before connecting your grinder to power supply, always check to be sure switch is not in lock-on position. Failure to do so could result in accidental starting of your grinder resulting in possible serious injury. GUARD LOCATION The guard on your grinder should be correctly installed depending on which side the handle is mounted. Never use your grinder without the guard correctly in place. Figures 4, 5, and 6 show correct and incorrect locations of the guard.
OPERATION CAUTION: (O) OFF (I) ON Never cover air vents. They must always be open for proper motor cooling. SWITCH BUTTON See Figure 7. To turn your grinder on, push the switch button forward. Release the button to turn the grinder off. 4’’ G LOCK-ON FEATURE SWITCH BUTTON er rind OFF See Figure 7. Your grinder has a lock-on feature that is convenient when continuous operation for extended periods of time is required.
MAINTENANCE WARNING: When servicing use only identical Ryobi replacement parts. Use of any other parts may create a hazard or cause product damage. GUARD REPLACEMENT See Figure 9. After extended use, the guard may become worn and need adjustments or replacing. If you drop your grinder and damage the guard it may also be necessary for you to replace it. PROCEED AS FOLLOWS WHEN REPLACEMENT IS REQUIRED: TO TIGHTEN WRENCH CLAMP NUT TO LOOSEN GRINDING WHEEL UNPLUG YOUR GRINDER.
MAINTENANCE GENERAL 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, carbon dust, etc. WARNING: WARNING: Always wear safety goggles or safety glasses with side shields during power tool operation or when blowing dust. If operation is dusty, also wear a dust mask.
OPERATOR'S MANUAL 4 in. (100 mm) Angle Grinder Model AG401 / Double Insulated EXTENSION CORD CAUTION When using a power tool at a considerable distance from a power source, be sure to use an extension cord that has the capacity to handle the current the tool will draw. An undersized cord will cause a drop in line voltage, resulting in overheating and loss of power. Use the chart to determine the minimum wire size required in an extension cord. Only round jacketed cords should be used.