OPERATOR`S MANUAL
Contents
1. The correct tool will do the job better and safer at the rate for which it is designed Do not use tool if switch does not turn it on or off Any tool that cannot be controlled with the switch is dangerous and must be repaired Disconnect the plug from power source before making any adjustments changing accessories or storing the tool Such preventive safety mea sures reduce the risk of starting the tool acciden tally Store idle tools out of the reach of children and other untrained persons Tools are dangerous in the hands of untrained users Maintain tools with care Keep cutting tools sharp and clean Properly maintained tools with sharp cutting edges are less likely to bind and are easier to control Check for misalignment or binding of moving parts breakage of parts and any other condi tion that may affect the tool s operation If dam aged have the tool serviced before using Many accidents are caused by poorly maintained tools Use only accessories that are recommended by the manufacturer for your model Accessories that may be suitable for one tool may become hazard ous when used on another tool GENERAL SAFETY RULES SERVICE Tool service must be performed only by quali fied repair personnel Service or maintenance per formed by unqualified personnel could result in a risk of injury E When servicing a tool use only identical replace ment parts Follow instructions in the Mainte nance section o2. MODEL NO AND SERIAL NO The model number of this tool will be found on a plate attached to the motor housing Please record the model number and serial number in the space provided below e HOW TO ORDER REPAIR PARTS WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION e MODEL NUMBER RS280VS e SERIAL NUMBER RYOBI TECHNOLOGIES INC 1428 Pearman Dairy Road Anderson SC 29625 Post Office Box 1207 Anderson SC 29622 www ryobitools com Phone 1 800 525 2579 983000 128 7 02
3. Per Minute Revolutions strokes surface speed orbits etc per minute Safety Alert Indicates danger warning or caution It means attention Your safety is involved Wet Conditions Alert Do not expose to rain or use in damp locations The purpose of safety symbols is to attract your attention to possible dangers The safety symbols and the explanations with them deserve your careful attention and understanding The safety warnings do not by themselves eliminate any danger The instructions or warnings they give are not substitutes for proper accident prevention measures SYMBOL MEANING DANGER Failure to obey a safety warning will result in serious injury to yourself or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury WARNING Failure to obey a safety warning can result in serious injury to yourself or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury yourself or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury NOTE Advises you of information or instructions vital to the operation or maintenance of the equipment 1 CAUTION Failure to obey a safety warning may result in property damage or personal injury to SAVE THESE INSTRUCTIONS 5 SPECIFICATIONS Sanding Disc Diameter Motion Orbit Diameter No Load Speed Input Net Weight 5
4. performance A WARNING and dependability have been given top priority in the Do not attempt to use this tool until you have read design of this sander making it easy to maintain and thoroughly and understand completely the operator s operate manual Pay close attention to the safety rules in l cluding Dangers Warnings and Cautions If you use your tool properly and only for what it is in tended you will enjoy years of safe reliable service WEAR YOUR The operation of any power tool can result in foreign objects being thrown into your eyes PW A which can resultin severe eye damage Before beginning tool operation always wear safety We goggles or safety glasses with side shields and a full face shield when needed We recommend Wide Vision Safety Mask for use over eyeglasses or standard safety glasses AE with side shields Always wear eye protection which is marked to comply with ANSI Z87 1 THAN NO SIGHT A Look for this symbol to point out important safety precautions It means attention Your safety is involved GENERAL SAFETY RULES SAVE THESE INSTRUCTIONS A WARNING Read and understand all instructions Failure to fol low all instructions listed below may result in electric shock fire and or serious personal injury WORK AREA Keep your work area clean and well lit Cluttered benches and dark areas invite accidents Do not operate power tools in explosive atmo spheres such as in the presenc
5. ERATION USING THE DUST BAG ASSEMBLY The dustbag assembly provides adust collection system for the sander Sanding dust is drawn up through the holes of the sanding disc and collected in the dust bag during sanding TO ATTACH THE DUST BAG ASSEMBLY See Figure 6 Follow these directions to attach the dust bag assembly E Unplug the sander A WARNING Failure to unplug the tool could result in accidental starting causing possible serious injury E Slide the dust bag assembly onto the blower ex haust on the sander using a slight twisting motion TO EMPTY THE DUST BAG ASSEMBLY See Figure 6 and 7 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 A WARNING Collected sanding dust from sanding surface coat ings such as polyurethanes linseed oil etc can self ignite in your sander dust bag or elsewhere and cause fire To reduce the risk of fire always empty your dust bag frequently 10 15 minutes while sand ing and never store or leave a sander without totally emptying its dust bag Also follow the recommenda tions of the coatings manufacturers Follow these directions to empty the dust bag assembly E Unplug the sander A WARNING Failure to unplug the tool could result in accidental startin
6. INSULATED EXTENSION CORD CAUTION eeratns on tool faceplate 0 2 0 2 1 3 4 3 5 5 0 5 1 7 0 7 1 12 0 12 1 16 0 When using a power tool at a considerable distance from a Cord Length Wire Size A W G power source be sure to use an extension cord that has the capacity to handle the current the tool will draw An under 16 16 16 14 14 sized cord will cause a drop in line voltage resulting in over heating and loss of power Use the chart to determine the mini 16 16 14 14 12 mum wire size required in an extension cord Only round jack eted cords should be used 16 14 12 10 When working with a tool outdoors use an extension cord sites cea hae for ely use This is indicated by the letters area Position the cord so that it will not get caught on on the cord s jacket lumber tools or other obstructions while you are working Before using any extension cord inspect it for loose or ex with a power tool posed wires and cut or worn insulation CAUTION Keep the extension cord clear of the working Used on 12 gauge 20 amp circuit e SERVICE Now that you have purchased your tool should a need ever exist for repair parts or service simply contact your nearest Ryobi Authorized Service Center Be sure to provide all pertinent facts when you call or visit Please call 1 800 525 2579 for your nearest Ryobi Authorized Service Center You can also check our Web site at www ryobitools com for a complete list of Authorized Service Centers e
7. RYOBI OPERATOR S MANUAL RANDOM ORBIT SANDER RS280VS VARIABLE SPEED DOUBLE INSULATED Your new sander 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 A WARNING To reduce the risk of injury the user must read and understand the operator s manual Thank you for buying a Ryobi random orbit sander TABLE OF CONTENTS iniigolo leto ilo ln EATI ESAE E E A E A A ETEA 2 General Safety RULES seis oen idoidiounidanneinan diinn vaania inanan aieas vaaata inanda iiad ada aaou reinaan ai na aaia aeai 3 4 Specific Safety RUIESonse ieaanc 4 SY MDOIS gorictelines tern nie dletin teen ET ARA ANO en E ie T ee 5 SPECIICATIONS si cece ese Genes dees devtd eee A Gee Gn area A E E AEN 6 MIMD AC IM ees a N 6 APDIICATIONS wxiccceg castacsevensree tittinsuidonads a aR NEAN eters erie 6 POQUUNCS ori E NR t netelonc duescayduentustencdenste Guess web caxeeensyeueneduae 7 8 Operation acertanar mre ce aaa E OE reefer per er rrr E ar eeer eremerrep career er eee err EEE 9 13 Maintenant iccice iceckeaeastetine ss ecaced caw ncccvnnsasducedanagncade cil anebeducatensatecoaanaatcedalaysesdecanes va duusnoussdauaua a E E AEN 13 Pans Ordenng and SCNVIC senini en a a EENE N A ENE E EE A 14 INTRODUCTION Your sander has many features for making the use of this tool more pleasant and enjoyable Safety
8. ard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended func tion Check for alignment of moving parts bind ing of moving parts breakage of parts mount ing and any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced by an authorized service center Following this rule will reduce the risk of shock fire or serious injury Do not abuse cord Never carry the tool by the cord or yank it to disconnect it from the recep tacle Keep cord away from heat oil and sharp edges Following this rule will reduce the risk of elec tric shock or fire E Make sure your extension cord is in good condi tion When using an extension cord be sure to use one heavy enough to carry the current your product will draw A wire gage size A W G of at least 16 is recommended for an extension cord 100 feet or less in length A cord exceeding 100 feet is not recommended If in doubt use the next heavier gage The smaller the gage number the heavier the cord An undersized cord will cause a drop in line voltage resulting in loss of power and overheating Inspect for and remove all nails from lumber be fore sanding 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 t
9. at you are doing and use common sense when operating a power tool Do not use tool while tired or under the influence of drugs alcohol or medication A moment of inat tention 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 cloth ing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in mov ing parts or drawn into air vents 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 Remove adjusting keys or wrenches before turn ing the tool on A wrench or a key that is left at tached to a rotating part of the tool may result in personal injury Do not overreach Keep proper footing and bal ance at all times Proper footing and balance en ables better control of the tool in unexpected situa tions Do not use on a ladder or unstable support Use safety equipment Always wear eye protec tion Dust mask nonskid safety shoes hard hat or hearing protection must be used for appropriate con ditions TOOL USE AND CARE Use clamps or other practical way to secure and support the workpiece to a stable platform Hold ing the work by hand or against your body is un stable and may lead to loss of control Do not force tool Use the correct tool for your application
10. e of flammable liquids gases or dust Power tools may create sparks which may ignite the dust or fumes Keep bystanders children and visitors away while operating a power tool Distractions can cause you to lose control ELECTRICAL SAFETY Double insulated tools are equipped with a po larized plug one blade is wider than the other This plug will fit in a polarized outlet only one way If the plug does not fit fully in the outlet reverse the plug If it still does not fit contact a qualified electrician to install a polarized outlet Do not change the plug in any way Double insu lation Oo eliminates the need for the three wire grounded power cord and grounded power supply system Avoid body contact with grounded surfaces such as pipes radiators ranges and refrigera tors There is an increased risk of electric shock if your body is grounded Don t expose power tools to rain or wet condi tions Water entering a power tool will increase the risk of electric shock Do not abuse the cord Never use the cord to carry the tools or pull the plug from an outlet Keep cord away from heat oil sharp edges or moving parts Replace damaged cords immedi ately Damaged cords increase the risk of electric shock When operating a power tool outside use an outdoor extension cord marked W A or W These cords are rated for outdoor use and reduce the risk of electric shock PERSONAL SAFETY Stay alert watch wh
11. er from shock resulting from a break in the tool s internal wiring Observe all normal safety pre cautions to avoid electrical shock Important Servicing of a tool with double insulation requires extreme care and knowledge of the system and should be performed only by a qualified service technician For service we suggest you return the tool to your nearest authorized service center for repair Always use original factory replacement parts when servicing ELECTRIC MOTOR Your sander has a precision built electric motor It should be connected to a power supply that is 120 volts 60 Hz AC only normal household current Do not operate this tool on direct current DC 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 SWITCH Your sander has a conveniently located slide switch VARIABLE SPEED The variable speed feature allows you to operate the sander at different speeds BACKING PAD The backing pad on the sander provides the capability to use sanding discs with pressure sensitive adhesive backing material CONVERSION PAD The conversion pad supplied with the sander converts the backing pad and allows you to use Velcro type sanding discs RANDOM ORBIT The random orbit motion provides overlapping sanding movements by combining orbital and turning motion These overlapping sanding movements pro
12. f this manual Use of unauthorized parts or failure to follow Maintenance Instructions may create a risk of electric shock or injury SPECIFIC SAFETY RULES Hold tool by insulated gripping surfaces when performing an operation where the tool may contact hidden wiring or its cord Contact with a live wire will make exposed metal parts of the tool live and shock the operator ADDITIONAL SAFETY RULES Know your power tool Read operator s manual carefully Learn its applications and limitations as well as the specific potential hazards related to this tool Following this rule will reduce the risk of electric shock fire or serious injury Always wear safety glasses Everyday eye glasses have only impact resistant lenses they are NOT safety glasses Following this rule will re duce the risk of serious personal injury Protect your lungs Wear a face or dust mask if the operation is dusty Following this rule will re duce the risk of serious personal injury Protect your hearing Wear hearing protection during extended periods of operation Following this rule will reduce the risk of serious personal in jury Inspect tool cords periodically and if damaged have repaired at your nearest Factory Service Center or other Authorized Service Organization Constantly stay aware of cord location Follow ing this rule will reduce the risk of electric shock or fire Check damaged parts Before further use of the tool a gu
13. g causing possible serious injury Mm Remove the dust bag assembly from the sander E Remove the dust bag from the frame E Shake out the dust E Replace the dust bag on the frame E Replace the dust bag assembly on the sander DUST BAG ASSEMBLY BLOWER EXHAUST DUST BAG ASSEMBLY BLOWER EXHAUST OPERATION ATTACHING THE SANDER TO A VACUUM See Figure 8 When sanding for an extended period of time you can easily attach the dust collection system of the sander to a vacuum Follow these steps to attach the sander to a vacuum E Unplug the sander A WARNING Failure to unplug the tool could result in accidental starting causing possible serious injury mM Remove the dust bag assembly from the sander E Attach the vacuum hose to the blower exhaust on the sander NOTE The vacuum hose fits inside the blower exhaust The figure illustrates a standard 1 1 4 in 3 2 cm vacuum connection Connect the sander and vacuum to a power supply OPERATING THE SANDER See Figures 9 and 10 Follow these steps to operate the sander E Secure the work to prevent it from moving under the sander A WARNING Unsecured work could be thrown towards the opera tor causing injury A WARNING Keep your head away from the sander and the sand ing area Your hair could be drawn into the sander causing serious injury E Place the sander on the workpiece so that all of the sanding disc surface is in contac
14. his rule will reduce the risk of electric shock fire or serious personal injury Save these instructions Refer to them frequently and use them to instruct others who may use this tool If you loan someone this tool loan them these instructions also A 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 e crystalline silica from bricks and cement and other masonry products and e arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particles 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 SYMBOL DESIGNATION EXPLANATION Volts Voltage Frequency cycles per second Power Alternating Current Type or a characteristic of current No Load Speed Rotational speed at no load Class II Construction Designates double insulated construction tools Revolutions or Reciprocation
15. in 12 7 cm Random Orbit 3 32 in 2 4 mm 7 000 12 000 Orbits Min 120 Volts 60 Hz AC only 2 8 amps 3 1 2 Ibs 1 6 kg UNPACKING INSTRUCTIONS Your sander has been shipped completely assembled Carefully remove the tool and accessories from the box Make sure that all items listed in the packing list are included E Inspect the tool carefully to make sure no breakage or damage occurred during shipping H Do not discard the packing material until you have carefully inspected and satisfactorily operated the tool E If any parts are damaged or missing please call 1 800 525 2579 for assistance PACKING LIST Random Orbit Sander Sandpaper 3 sheets Conversion Pad Operator s Manual A WARNING If any parts are missing do not operate your tool until the missing parts are replaced Failure to do so could result in possible serious personal injury APPLICATIONS You may use your sander for the purposes listed below E Sanding wood surfaces E Sanding steel surfaces E Removing rust from steel surfaces FEATURES DOUBLE INSULATION Double insulation is a concept in safety in electric power tools which eliminates the need for the usual three wire 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 A WARNING The double insulated system is intended to protect the us
16. mly as possible NOTE We recommend that you clean the backing pad occasionally by brushing it lightly with a small brush Dust buildup on the backing pad could cause the sanding disc to not stick properly VELCRO SANDING DISC ATTACHING VELCRO SANDING DISCS See Figure 5 CONVERSION PAD Follow these directions to attach Velcro sanding discs E Unplug the sander A WARNING BACKING PAD Failure to unplug the tool could result in accidental starting causing possible serious injury E Peel the paper backing from the conversion pad E Align the holes in the conversion pad with the holes in the backing pad NOTE You must line up the holes in the conversion pad with the holes in the backing pad in order for the dustless feature to function properly E Press the sticky side of the conversion pad against the backing pad as firmly as possible E Align the holes in the Velcro sanding disc with the holes in the conversion pad NOTE You must line up the holes in the sanding disc with the holes in the conversion pad in order for the dustless feature to function properly Press the fuzzy side of the sanding disc against the conversion pad as firmly as possible NOTE You can reuse Velcro type sanding discs for the life of the sanding abrasive We recommend that you clean the sanding disc backing and the conversion pad occasionally by brushing them lightly with a small brush to provide for their best adhesion 10 OP
17. n the dial to a lower setting towards A SELECTING SANDING DISCS Selecting the correct size grit and type of sanding disc is an extremely important step in achieving a high quality sanded finish Aluminum oxide silicon carbide and other synthetic abrasives are best for power sanding Natural abrasives such as flint and garnet are too soft for power sanding In general when sanding coarse grit removes the most material and fine grit produces the best finish The condition of the surface to be sanded determines which grit will do the best job If the surface is rough start with a coarse grit and sand until the surface is uniform Then use medium grit to remove scratches left by the coarser grit Finally use finer gritfor finishing the surface Always continue sanding with each grit until the surface is uniform OPERATION ATTACHING ADHESIVE SANDING DISCS See Figure 4 ADHESIVE Follow these directions to attach adhesive sanding discs SANDING DISC E Unplug the sander A WARNING Failure to unplug the tool could result in accidental starting causing possible serious injury E Peel the paper backing from the sanding disc E Align the holes in the sanding disc with the holes in the backing pad NOTE You must line up the holes in the sanding disc with the holes in the backing pad in order for the dustless feature to function properly Press the sticky side of the sanding disc against the backing pad as fir
18. r MAINTENANCE A WARNING When servicing use only identical Ryobi replacement parts Use of any other parts may create a hazard or cause product damage 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 A WARNING Do not at any time let brake fluids gasoline petro leum based products penetrating oils etc come in contact with plastic parts They contain chemicals that can damage weaken or destroy plastic When electric tools are used on fiberglass boats sports cars wallboard spackling compounds or plaster it has been found that they are subject to accelerated wear and possible premature failure as the fiberglass chips and grindings are highly abrasive to bearings brushes commutators etc Consequently itis not recommended that this tool be used for extended work on any fiberglass material wallboard spackling compounds or plaster If however you do work with any of these materials it is extremely important thatthe tool is cleaned frequently by blowing with an air jet A 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 RYOBI OPERATOR S MANUAL RANDOM ORBIT SANDER RS280VS VARIABLE SPEED DOUBLE
19. t with the workpiece A CAUTION Be careful not to let your hand cover the air vents E Start the sander and move it slowly over the workpiece Make successive passes in parallel lines circles or crosswise movements NOTE The front edge of the sander allows for flush sanding See Figure 10 Turn the sander off and wait until the sanding disc comes to a complete stop before removing it from the workpiece VACUUM BLOWER EXHAUST OPERATION HELPFUL TIPS E Do not force the sander The weight of the unit supplies adequate pressure therefore let the sand ing disc and sander do the work Applying additional pressure only slows the motor rapidly wears the sanding disc and greatly reduces the sander speed Excessive pressure will overload the motor causing possible damage from motor overheating and can result in inferior work Any finish or resin on the wood may soften from the frictional heat E Do not sand on one spot too long The sander s rapid action may remove too much material making the surface uneven Extended periods of sanding may tend to overheat the motor If this occurs turn off the sander and wait until the sanding disc comes to a complete stop Then remove the sander from the workpiece Remove your hand from the vent area remove the sanding disc then with your hand removed from the vent area turn on the sander and run it free without a load to cool the moto
20. vide fast cutting action with excellent sanding results ERGONOMIC DESIGN The design of the sander provides for easy handling It is designed for comfort and ease of grasp when operating in different positions and at different angles FEATURES DUST BAG ASSEMBLY BACKING PAD A WARNING Do not attempt to modify this tool or create accessories not recommended for use with this tool Any such alteration or modification is misuse and could result in a hazardous condition leading to possible serious personal injury OPERATION A WARNING Always wear safety goggles or safety glasses with side shields when operating this tool Failure to do TO TURN OFF so could result in dust shavings or loose particles being thrown into your eyes resulting in possible serious injury TURNING THE SANDER ON OFF See Figure 2 Follow these directions to turn the sander on and off E 7o turn the sander on Slide the switch to the left E 7o turn the sander off Slide the switch to the right O ADJUSTING THE SPEED See Figure 3 The variable speed feature allows the sander to operate at speeds that can be adjusted by rotating the dial from A to F The dial is conveniently located on the motor TO TO housing allowing operator control of disc speed DECREASE INCREASE Follow these directions to adjust the speed E To increase the speed Turn the dial to a higher W setting towards F E To decrease the speed Tur
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