RYOBI RRT100 1.2 AMP Rotary Tool Owner’s Manual

RRT100 1.2 AMP Rotary Tool

Owner’s Manual

INCLUDES:

• Rotary Tool,
• Rotary Tool Accessories,
• Rotary Tool Attachments,
• Wrench,
• Operator’s Manual

WARNING: To reduce the risk of injury, the user must read and under-stand the operator’s manual before using this product.

SAVE THIS MANUAL FOR FUTURE REFERENCE

GENERAL POWER TOOL SAFETY WARNINGS

WARNING: Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.

Save all warnings and instructions for future reference. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery- operated (cordless) power tool.

WORK AREA SAFETY

• Keep work area clean and well lit. Cluttered or dark areas invite accidents.
• Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
• Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.

ELECTRICAL SAFETY

• Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock.
• Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
• Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
• Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.
• When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock.
• If operating a power tool in a damp location is unavoidable, use a ground fault circuit interrupter (GFCI) protected supply. Use of a GFCI reduces the risk of electric shock.

PERSONAL SAFETY

• Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury.
• Use personal protective equipment. Always wear eye protection. Protective equipment such as a dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries.
• Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source and/or battery pack, picking up or carrying the tool. Carrying power tools with your finger on the switch or energizing power tools that have the switch on invites accidents.
• 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 and clothing away from moving parts. Loose clothes, jewelry or long hair can be caught in moving parts.
• If devices are provided for the connection of dust extraction and collection facilities, ensure these are connected and properly used. Use of dust collection can reduce dust-related hazards.
• Do not let familiarity gained from frequent use of tools allow you to become complacent and ignore tool safety principles. A careless action can cause severe injury within a fraction of a second.
• 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 power tool in unexpected situations.

POWER TOOL USE AND CARE

• Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed.
• Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired.
• Disconnect the plug from the power source and/or remove the battery pack, if detachable, from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally.
• Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool. Power tools are dangerous in the hands of untrained users.
• Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools.
• Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control.
• Use the power tool, accessories and tool bits etc. in accordance with these instructions, taking into account the working conditions and the work to be performed. Use of the power tool for operations different from those intended could result in a hazardous situation.
• Keep handles and grasping surfaces dry, clean and free from oil and grease. Slippery handles and grasping surfaces do not allow for safe handling and control of the tool in unexpected situations.

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.

ROTARY TOOL SAFETY WARNINGS

SAFETY WARNINGS COMMON FOR GRINDING, SANDING, WIRE BRUSHING, POLISHING, CARVING OR ABRASIVE CUTTING-OFF OPERATIONS

• This power tool is intended to function as a grinder, sander, wire brush, polisher, carving or cut-off tool. Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.
• Do not use accessories which are not specifically designed and recommended by the tool manufacturer. Just because the accessory can be attached to your power tool, it does not assure safe operation.
• The rated speed of accessories must be at least equal to the operating speed setting marked on the power tool. Accessories running faster than their rated speed can break and fly apart.
• The outside diameter and the thickness of your accessory must be within the capacity rating of your power tool. Incorrectly sized accessories cannot be adequately controlled.
• The arbour size of wheels, sanding drums or any other accessory must properly fit the spindle or collet of the power tool. Accessories that do not match the mounting hardware of the power tool will run out of balance, vibrate excessively and may cause loss of control.
• Mandrel mounted wheels, sanding drums, cutters or other accessories must be fully inserted into the collet or chuck. If the mandrel is insufficiently held and/or the overhang of the wheel is too long, the mounted wheel may become loose and be ejected at high velocity.
• Do not use a damaged accessory. Before each use inspect the accessory such as abrasive wheels for chips and cracks, sanding drum for cracks, tear or excess wear, wire brush for loose or cracked wires. If power tool or accessory is dropped, inspect for damage or install an undamaged accessory. After inspecting and installing an accessory, position yourself and bystanders away from the plane of the rotating accessory and run the power tool at maximum no-load speed for one minute. Damaged accessories will normally break apart during this test time.
• Wear personal protective equipment. Depending on application, use face shield, safety goggles or safety glasses. As appropriate, wear dust mask, hearing protectors, gloves and workshop apron capable of stopping small abrasive or workpiece fragments. The eye protection must be capable of stopping flying debris generated by various operations. The dust mask or respirator must be capable of filtrating particles generated by your operation. Prolonged exposure to high intensity noise may cause hearing loss.
• Keep bystanders a safe distance away from work area. Anyone entering the work area must wear personal protective equipment. Fragments of workpiece or of a broken accessory may fly away and cause injury beyond immediate area of operation.
• Hold power tool by insulated gripping surfaces only, when performing an operation where the cutting accessory may contact hidden wiring. Cutting accessory contacting a “live” wire may make exposed metal parts of the power tool “live” and could give the operator an electric shock.
• Always hold the tool firmly in your hand(s) during the start-up. The reaction torque of the motor, as it accelerates to full speed, can cause the tool to twist.

ROTARY TOOL SAFETY WARNINGS

• Use clamps to support workpiece whenever practical. Never hold a small workpiece in one hand and the tool in the other hand while in use. Clamping a small workpiece allows you to use your hand(s) to control the tool. Round material such as dowel rods, pipes or tubing have a tendency to roll while being cut, and may cause the bit to bind or jump toward you.
• Position the cord clear of the spinning accessory. If you lose control, the cord may be cut or snagged and your hand or arm may be pulled into the spinning accessory.
• Never lay the power tool down until the accessory has come to a complete stop. The spinning accessory may grab the surface and pull the power tool out of your control.
• After changing the bits or making any adjustments, make sure the collet nut, chuck or any other adjustment devices are securely tightened. Loose adjustment devices can unexpectedly shift, causing loss of control, loose rotating components will be violently thrown.
• Do not run the power tool while carrying it at your side. Accidental contact with the spinning accessory could snag your clothing, pulling the accessory into your body.
• Regularly clean the power tool’s air vents. The motor’s fan will draw the dust inside the housing and excessive accumulation of powdered metal may cause electrical hazards.
• Do not operate the power tool near flammable materials. Sparks could ignite these materials.
• Do not use accessories that require liquid coolants. Using water or other liquid coolants may result in electrocution or shock.
• The maximum recommended diameter of mounted wheels, threaded cones and plugs shall not exceed 2 in. (55 mm) and that the maximum recommended diameter of sanding accessories shall not exceed 3 in. (80 mm).

KICKBACK AND RELATED WARNINGS
Kickback is a sudden reaction to a pinched or snagged rotating wheel, sanding band, brush or any other accessory. Pinching or snagging causes rapid stalling of the rotating accessory which in turn causes the uncontrolled power tool to be forced in the direction opposite of the accessory’s rotation.

For example, if an abrasive wheel is snagged or pinched by the workpiece, the edge of the wheel that is entering into the pinch point can dig into the surface of the material causing the wheel to climb out or kick out. The wheel may either jump toward or away from the operator, depending on direction of the wheel’s movement at the point of pinching. Abrasive wheels may also break under these conditions.

Kickback is the result of power tool misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below.

• Maintain a firm grip on the power tool and position your body and arm to allow you to resist kickback forces. The operator can control torque reactions or kickback forces, if proper precautions are taken.
• Use special care when working corners, sharp edges, etc. Avoid bouncing and snagging the accessory. Corners, sharp edges or bouncing have a tendency to snag the rotating accessory and cause loss of control or kickback.
• Do not attach a toothed saw blade. Such blades create frequent kickback and loss of control.
• Always feed the bit into the material in the same direction as the cutting edge is exiting from the material (which is the same direction as the chips are thrown). Feeding the tool in the wrong direction causes the cutting edge of the bit to climb out of the work and pull the tool in the direction of this feed.
• When using rotary files, cut-off wheels, high-speed cutters or tungsten carbide cutters, always have the work securely clamped. These wheels will grab if they become slightly canted in the groove, and can kickback. When a cut-off wheel grabs, the wheel itself usually breaks. When a rotary file, high-speed cutter or tungsten carbide cutter grabs, it may jump from the groove and you could lose control of the tool.

SAFETY WARNINGS SPECIFIC FOR GRINDING AND ABRASIVE CUTTING-OFF OPERATIONS:

• Use only wheel types that are recommended for your power tool and only for recommended applications. For example: do not grind with the side of a cut-off wheel. Abrasive cut-off wheels are intended for peripheral grinding, side forces applied to these wheels may cause them to shatter.
• or threaded abrasive cones and plugs use only undamaged wheel mandrels with an unrelieved shoulder flange that are of correct size and length. Proper mandrels will reduce the possibility of breakage.
• Do not “jam” a cut-off wheel or apply excessive pressure. Do not attempt to make an excessive depth of cut. Overstressing the wheel increases the loading and susceptibility to twisting or snagging of the wheel in the cut and the possibility of kickback or wheel breakage.
• Do not position your hand in line with and behind the rotating wheel. When the wheel, at the point of operation, is moving away from your hand, the possible kickback may propel the spinning wheel and the power tool directly at you.

ROTARY TOOL SAFETY WARNINGS

• When wheel is pinched, snagged or when interrupting a cut for any reason, switch off the power tool and hold the power tool motionless until the wheel comes to a complete stop. Never attempt to remove the cut-off wheel from the cut while the wheel is in motion otherwise kickback may occur. Investigate and take corrective action to eliminate the cause of wheel pinching or snagging.
• Do not restart the cutting operation in the workpiece. Let the wheel reach full speed and carefully re-enter the cut. The wheel may bind, walk up or kickback if the power tool is restarted in the workpiece.
• Support panels or any oversized workpiece to minimize the risk of wheel pinching and kickback. Large workpieces tend to sag under their own weight. Supports must be placed under the workpiece near the line of cut and near the edge of the workpiece on both sides of the wheel.
• Use extra caution when making a “pocket cut” into existing walls or other blind areas. The protruding wheel may cut gas or water pipes, electrical wiring or objects that can cause kickback.

SAFETY WARNINGS SPECIFIC FOR WIRE BRUSHING OPERATIONS:

• Be aware that wire bristles are thrown by the brush even during ordinary operation. Do not overstress the wires by applying excessive load to the brush. The wire bristles can easily penetrate light clothing and/or skin.
• Allow brushes to run at operating speed for at least one minute before using them. During this time no one is to stand in front or in line with the brush. Loose bristles or wires will be discharged during the run-in time.
• Direct the discharge of the spinning wire brush away from you. Small particles and tiny wire fragments may be discharged at high velocity during the use of these brushes and may become imbedded in your skin.

ADDITIONAL SAFETY RULES

WARNING – Some dust created by power sanding, sawing, grinding, drilling, and other common rotary tool 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.

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.

• Always use proper guard with grinding wheel. A guard protects operator from broken wheel fragments.
• 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 eye protection with side shields marked to comply with ANSI Z87.1. Following this rule will reduce the risk of serious personal injury.
• Protect your lungs. Wear a face or dust mask if the operation is dusty. Following this rule will reduce 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 injury.
• This product is not intended for use with pet grooming, dental work, or any human or veterinarian medical applications.
• Keep pets away while operating this tool.
• Check damaged parts. Before further use of the tool, a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment of moving parts, binding of moving parts, breakage of parts, mounting, 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.
• Inspect for and remove all nails from lumber before using this tool. Following this rule will reduce the risk of serious personal injury.
• Do not grind or sand heat flammable materials. Sparks from the wheel could ignite these materials.
• This product is not intended for use as a dental drill or in human or veterinary medical applications. Serious injury may result.
• When using steel screws, cut-off wheels, high speed cutters, or tungsten carbide cutters, always have the work securely clamped. Never attempt to hold the work with one hand while using any of these accessories.
• For organic material, a flex shaft accessory is required. Proper cleaning and sanitizing is required after use. Any material including organic material cut or altered by this tool is not intended nor suitable for human consumption.
• Save these instructions. Refer to them frequently and use them to instruct others who may use this product. If you loan someone this product, loan them these instructions also.

SYMBOLS

ELECTRICAL

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.

WARNING: The double insulated system is intended to protect the user from shock resulting from a break in the tool’s internal insulation. Observe all normal safety precautions to avoid electrical shock.

NOTE: Servicing of a product 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 product to your near-est authorized service center for repair. Always use original factory replacement parts when servicing.

ELECTRICAL CONNECTION

This product has a precision-built electric motor. It should be connected to a power supply that is 120 volts, AC only (normal household current), 60 Hz. Do not operate this product on direct current (DC). A substantial voltage drop will cause a loss of power and the motor will overheat. If the product does not operate when plugged into an outlet, double-check the power supply.

EXTENSION CORDS
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 product 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 listed by Underwriter’s Laboratories (UL) should be used.

When working outdoors with a product , use an extension cord that is designed for outside use. This type of cord is designated with “W-A” or “W” on the cord’s jacket.
Before using any extension cord, inspect it for loose or exposed wires and cut or worn insulation.

**Ampere rating (on product data plate)

WARNING: Keep the extension cord clear of the working area. Position the cord so that it will not get caught on lumber, tools, or other obstructions while you are working with a power tool. Failure to do so can result in serious personal injury.

WARNING: Check extension cords before each use. If damaged replace immediately. Never use the product with a damaged cord since touching the damaged area could cause electrical shock resulting in serious injury.

FEATURES

PRODUCT SPECIFICATIONS

• Quick-change collet : 1/8 in. Universal
• Input : 120 V, 60 Hz, AC only, 1.2 Amps
• Rated Speed : 5,000 – 35,000/min. (RPM)

KNOW YOUR ROTARY TOOL
See Figure 1, page 15.
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.

ON/OFF SWITCH
This product has an easy access power switch located on the top of the product.

SPEED CONTROL DIAL
The speed control dial allows you to easily select tool speed.

SPINDLE LOCK
The spindle lock allows you to secure the collet when chang-ing accessories.

TOOL HANGER
The tool hanger provides a convenient place to hang the rotary tool while using a flex shaft (not included).

ASSEMBLY

WARNING: Do not use this product if it is not completely assembled or if any parts appear to be missing or damaged. Use of a product that is not properly and completely assembled or with damaged or missing parts could result in serious personal injury.

WARNING: Do not attempt to modify this product or create accessories or attachments not recommended for use with this product. Any such alteration or modification is misuse and could result in a hazardous condition leading to possible serious personal injury.

If any parts are damaged or missing, please call 1-800-525-2579 for assistance.

OPERATION

WARNING: Do not allow familiarity with products to make you careless. Remember that a careless fraction of a second is sufficient to inflict serious injury.

WARNING: Always wear eye protection with side shields marked to comply with ANSI Z87.1. Failure to do so could result in objects being thrown into your eyes resulting in possible serious injury.

WARNING: Do not use any attachments or accessories not recommended by the manufacturer of this product. The use of attachments or accessories not recommended can result in serious personal injury.

APPLICATIONS
You may use this product for the purposes listed below:

• Carving, engraving, etching, polishing, cleaning, removing rust, sanding, cutting, grinding, sharpening, drilling, and routing

QUICK-CHANGE COLLET
See Figure 2, page 15.
NOTE: The tool ships with a preinstalled collet that is machined to precision tolerances to fit accessories with 1/8 in. diameter shanks. When installed, the quick change collet allows the user to change accessories without tools and without removing the collet from the shaft. The quick change collet is not compatible with 1/16 in. shanks.

To remove/install the quick change collet:

• Unplug the rotary tool.
• Depress and hold the spindle lock button and rotate the shaft by hand until the spindle lock engages the shaft, preventing further rotation.
• With the spindle lock engaged, place the included 3/8 in. wrench on the bottom threaded end of the quick-change collet and turn counterclockwise to loosen. Continue turning counterclockwise to remove the collet from the tool.
• Remove the quick-change collet.
• To install, engage the spindle lock. Place the quick-change collet on the shaft and begin threading on by hand until there is resistance. Then use the included 3/8 in. wrench on the bottom threaded end of the collet and rotate clockwise until tightly secured.

WARNING: Always use the collet which matches the shank size of the accessory you plan to use. Never force a large diameter shank into a collet. The accessory should fit smoothly into the collet, but you should be able to tighten the accessory firmly and securely with the quick-change collet.

CAUTION: To prevent damage to the spindle or spindle lock, always allow motor to come to a complete stop before engaging the spindle lock.

INSTALLING/REMOVING ACCESSORIES
See Figures 3 – 4, page 15.
To install:

• Unplug the rotary tool.
  Choose an accessory that fits the collet and is suitable for the application you are attempting.

• Ensure the quick-change collet is securely installed on the shaft.

• While depressing the spindle lock, use your hand to loosen the collet by rotating the sleeve counterclockwise.

• Insert the shank of the accessory into the collet until the shank bottoms out, then pull it out 1/16 in. to allow for expansion when the accessory gets hot.

• Rotate the collet sleeve clockwise until clicking stops and the accessory shank is gripped by the collet.
  NOTE: If sleeve cannot be tightened or loosened sufficiently by hand, use the included 3/8 in. collet wrench on the top hexed area of the collet. Turn clockwise to tighten or counterclockwise to loosen.

To remove:

• Unplug the rotary tool.
• Engage the spindle lock.
• Turn the collet sleeve counterclockwise to loosen.
• Remove the accessory.
  NOTE: When trying to remove an accessory, if the quick-change collet begins to unthread from the tool, repeat the install process.

USING MANDRELS
See Figure 5, page 15.

The most common types of mandrel to use with with this tool are the standard mandrel which is used with cut-off discs, grinding wheels, emery wheels, and cut-off wheels. Screw mandrels are used with polishing wheels and polishing drums. Drum mandrel are used with sanding drums.
To install:

• Unplug the rotary tool.
• Install the mandrel.

If using the standard mandrel:

• Depress and hold the spindle lock.

• Insert the slot end of the provided wrench into the slot on top of the mandrel and unscrew.

• Remove mandrel screw and washer.

• Place desired accessory over mandrel shaft and align accessory hole with mandrel hole.

• Insert mandrel screw with washer through the accessory and mandrel shaft holes.
  NOTE: The mandrel washer should be placed between the mandrel screw and the accessory.

• ighten using provided wrench.

If using the screw mandrel:

• Align desired accessory hole with mandrel screw head.
• Screw accessory onto mandrel by twisting clockwise until secure.

If using the drum mandrel:

• Align appropriate sized sanding drum over mandrel and push down to completely cover drum end of mandrel. NOTE: If necessary, tighten the screw on the drum mandrel head to expand the drum and securely hold the sanding drum in place.

BALANCING ACCESSORIES
For precision work, it is important that all accessories be properly balanced. To balance an accessory, slightly loosen the quick-change collet and give the accessory or collet a 1/4 in. turn. You should be able to tell by the sound and feel if the accessory is running in balance. Continue adjusting in this fashion until the best balance is achieved. Replace accessories if they become damaged or unbalanced.

INSTALLING AN ATTACHMENT HEAD TO THE ROTARY TOOL
See Figure 6, page 16.

WARNING: Read and understand entire Operator’s Manual for each optional attachment head used on this rotary tool and follow all warnings and instructions. Failure to follow all instructions could result in electric shock, fire and/or serious personal injury.

WARNING: This rotary tool is designed to be used only with the attachment head models that are specified in this Operator’s Manual. Use of other attachment heads could cause serious personal injuries or property damage.

WARNING: Never install, remove, or adjust any attachment head while rotary tool is running. Failure to stop the motor can cause serious personal injury. Never operate rotary tool without an attachment head or the collar installed.

This rotary tool may be used with only the following RYOBI attachment heads:

• A90PG01 45 Degree Platform Guide
• A90PG02 90 Degree Platform Guide
• A90SG01 Chainsaw Sharpening Guide
• A90SG02 Mower Blade Sharpening Guide
• A90GG01 Grout Removal Guide
• 90DS01 Debris Shield Attachment
• 90CG01 Cutting Guide
• 90FS01 Flexible Shaft Attachment

To install an attachment head:

• Unplug the rotary tool.
• Remove accessories and quick-change collet.
• Hold the collar firmly, then turn it counterclockwise to loosen and remove.
• Follow the instructions in the RYOBI attachment head operator’s manual to install the attachment head.

To remove an attachment head:

• Unplug the rotary tool.
• Remove accessories and quick-change collet.
• Follow the instructions in the RYOBI attachment head operator’s manual to install the attachment head.
• Reinstall the collar or install another attachment head.

TURNING THE ROTARY TOOL ON/OFF
See Figure 7, page 16.

• To turn the tool ON: push the ON/OFF ( I/O ) switch to the ON ( I ) position.
• To turn the tool OFF: push the ON/OFF ( I/O ) switch to the OFF ( O ) position.

SELECTING THE RIGHT SPEED
See Figures 7 – 8, page 16.
The rotary tool has a speed range of 5,000 to 35,000/min RPM. To select the right speed for each job, use a practice piece of material. Vary speed to find the best speed for the accessory you are using and the job to be done.

Use the indicator mark above the speed control dial to set the best speed for the job. The speed control dial is numbered 1 to 3. The speeds for each setting are:

• Speed (1)………………………………………………..5,000 RPM
• Speed (2)………………………………………………15,000 RPM
• Speed (3)………………………………………………35,000 RPM

Refer to the Application Speed Recommendations table to determine the proper speed based on the material being worked and the type of accessory being used.

SLOWER SPEEDS
Certain materials, some plastics for example, require a relatively slow speed because the friction of the tool generates heat and causes the plastic to melt at high speed.
Slow speeds (15,000 RPM or less) are usually best for polishing operations using the polishing accessories. They may also be best for working on delicate projects, delicate wood carving, and fragile model parts.

Higher speeds are better for carving, cutting, and shaping wood.
Hardwoods, metals, and glass require high speed operation. Drilling should also be done at high speeds.

To determine the optimum operational speed for different materials and accessories, refer to the Application Speed Recommendations table, on the next page. Look this table over and become familiar with it.

The best way to determine the correct speed for work on any material is to practice for a few minutes on a piece of scrap, even after referring to the table. You can quickly learn that a slower or faster speed is more effective just by observing what happens when you make a pass or two at different speeds.

When working with a scrap piece of plastic, start at a slow rate of speed and increase the speed until you observe whether the plastic is melting at the point of contact; reduce the speed slightly to get optimum working speed without melting the workpiece.

NOTE:

• Plastic and materials that could melt at low temperatures should be cut at low speeds.
• Soft wood should be cut at high speed.
• Aluminum, tin, and copper, lead, and zinc alloys may be cut at any speed, depending on the type of cutting being done. Use paraffin or other suitable lubricant on the cutter to prevent the cut material from adhering to the cutter teeth.

OPERATING THE ROTARY TOOL
See Figures 9 – 10, page 16.
Learning to use the rotary tool:

• Hold the tool in your hand and get used to its weight, balance, and the taper of the housing. This taper permits the tool to be grasped in a “pencil grip” or a “golf grip” method.
• Examine the rotary tool accessories carefully. Damaged accessories can fly apart as they come up to speed and should not be used. The use of damaged accessories can result in serious personal injury.
• Practice on scrap materials first to see how the tool operates. Keep in mind that the work is done by the speed of the tool and by the accessory in the collet. You should not lean on or push the tool into the work.

It is best to make a series of passes with the tool rather than attempt to do all the work in one pass. To make a cut, pass the tool back and forth over the work like you would a small paint brush. Cut a little material on each pass until you reach the desired depth. For most work, a gentle touch is best; you will have greater control, make fewer errors, and get the most efficient work out of the accessory.

For the best control in close work, grip the tool like a pencil between your thumb and forefinger.
A “golf grip” method of holding the tool is used for operations such as grinding a flat surface.
To operate the rotary tool:

• Secure all work in a vise or clamp to a workbench to prevent it from moving under the tool.
• Hold the tool in front and away from you, keeping the tool accessory clear of the workpiece.
• Turn on the tool and let the motor and accessory build up to full speed.
• Lower the tool gradually until the accessory contacts the workpiece.
• Move the tool continuously at a steady, consistent pace.
• Use just enough pressure to keep the tool from chattering or bouncing.

NOTE: Heavy pressure will decrease the tool’s speed and put a strain on the motor. The weight of the tool alone is adequate for most jobs.

• Lift the tool away from the workpiece before turning off the tool.

MAINTENANCE

WARNING: When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage.

WARNING: Always wear eye protection with side shields marked to comply with ANSI Z87.1. Failure to do so could result in objects being thrown into your eyes resulting in possible serious injury.

GENERAL MAINTENANCE
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.

WARNING: Do not at any time let brake fluids, gasoline, petroleum-based products, penetrating oils, etc., come in contact with plastic parts. Chemicals can damage, weaken, or destroy plastic which may result in serious personal injury.

Electric tools used on fiberglass material, wallboard, spack-ling compounds, or plaster are subject to accelerated wear and possible premature failure because the fiberglass chips and grindings are highly abrasive to bearings, brushes, commutators, etc. Consequently, we do not recommend using this product for extended work on these types of materials. However, if you do work with any of these materials, it is extremely important to clean the product using compressed air.

LUBRICATION
All of the bearings in this product are lubricated with a sufficient amount of high grade lubricant for the life of the unit under normal operating conditions. Therefore, no further lubrication is required.

POWER SUPPLY CORD REPLACEMENT
If replacement of the power supply cord is necessary, this must be done by an authorized service center in order to avoid a safety hazard.

NOTE: FIGURES (ILLUSTRATIONS) START ON PAGE 15 AFTER FRENCH AND SPANISH LANGUAGE SECTIONS.

References

• REIMAGINE WITH RYOBI - RYOBI Tools

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