OPERATOR’S MANUAL RANDOM ORBIT SANDER Double Insulated RS290 Your sander 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 Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached to a rotating part of the power tool may result in personal injury. Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations. Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing and gloves away from moving parts.
GENERAL SAFETY RULES When servicing a power 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. SERVICE Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.
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.
ELECTRICAL DOUBLE INSULATION EXTENSION CORDS Double insulation is a concept in safety in electric power tools, which eliminates the need for the usual threewire grounded power cord. All exposed metal parts are isolated from the internal metal motor components with protecting insulation. Double insulated tools do not need to be grounded.
FEATURES PRODUCT SPECIFICATIONS Sanding Disc Diameter................................................. 5 in. No Load Speed...................................... 12,500/min (RPM) Motion.......................................................... Random Orbit Input................................120 V, 60 Hz, AC only, 2.6 Amps Orbit Diameter......................................................... 3/32 in. Net Weight............................................................3-1/2 lbs.
ASSEMBLY UNPACKING WARNING: This product has been shipped completely assembled. If any parts are damaged or missing do not operate this product until the parts are replaced. Failure to heed this warning could result in serious personal injury. n Carefully remove the product and any accessories from the box. Make sure that all items listed in the packing list are included. n Inspect the product carefully to make sure no breakage or damage occurred during shipping.
OPERATION ATTACHING hook-and-loop SANDING DISCS hook-and-loop SANDING DISC See Figure 2. NOTE: Use only 5 in. hook-and-loop sanding discs which can be found at local home centers and hardware stores. Unplug the sander. Align the holes in the hook-and-loop sanding disc with the holes in the backing pad. NOTE: Line up the holes in the sanding disc with the holes in the backing pad in order for the dustless feature to function properly.
OPERATION TO ATTACH THE DUST BAG assembly See Figure 4. Unplug the sander. Slide the dust bag onto the dust exhaust on the sander using a slight twisting motion. TO EMPTY THE DUST BAg assembly See Figures 4 - 5. For more efficient operation, empty the dust bag when it is no more than half full. This will permit the air to flow through the bag better. Always empty and clean the dust bag thoroughly upon completion of a sanding operation and before placing the sander in storage.
OPERATION OPERATING THE SANDER See Figures 7 - 8. Secure the work to prevent it from moving under the sander. WARNING: Unsecured work could be thrown towards the operator causing injury. Place the sander on the workpiece so that all of the sanding disc surface is in contact with the workpiece. CAUTION: Be careful not to let your hand cover the air vents. Start the sander and move it slowly over the workpiece. Make successive passes in parallel lines, circles, or crosswise movements.
MAINTENANCE WARNING: WARNING: When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage. Do not at any time let brake fluids, gasoline, petroleumbased products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken or destroy plastic which may result in serious personal injury.
OPERATOR’S MANUAL RANDOM ORBIT SANDER Double Insulated RS290 • SERVICE Now that you have purchased your tool, should a need ever exist for repair parts or service, simply contact your nearest Authorized Service Center. Be sure to provide all pertinent facts when you call or visit. Please call 1-800-525-2579 for your nearest Authorized Service Center. You can also check our web site at www.ryobitools.com for a complete list of Authorized Service Centers. • MODEL NO. AND SERIAL NO.
