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OPERATOR'S MANUAL
SPEED SAW™
SS50
DOUBLE INSULATED
THANK YOU FOR BUYING A RYOBI SPEED SAW.
Your new Speed Saw 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 Speed Saw.
Pay close attention to the Rules for Safe Operation, Warnings, and Cautions. If you use your Speed Saw properly
and only for what it is intended, you will enjoy years of safe, reliable service.
Thank you again for buying Ryobi tools.
SAVE THIS MANUAL FOR FUTURE REFERENCE
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TABLE OF CONTENTS
■ Introduction ........................................................................................................................................................ 2
■ General Safety Rules .....................................................................................................................................3-4
■ Specific Safety Rules ......................................................................................................................................... 4
■ Symbols ............................................................................................................................................................. 5
■ Specifications .................................................................................................................................................... 6
■ Unpacking .......................................................................................................................................................... 6
■ Applications ....................................................................................................................................................... 6
■ Features .........................................................................................................................................................7-8
■ Adjustments ..................................................................................................................................................9-10
■ Operation ......................................................................................................................................................... 11
■ Maintenance ....................................................................................................................................................12
■ Parts, Ordering, and Service ........................................................................................................................... 14
INTRODUCTION
Your Speed Saw has many features for making the use
of this tool more pleasant and enjoyable. Safety,
performance, and dependability have been given top
priority in the design of this Speed Saw making it easy to
maintain and operate.
WARNING:
Do not attempt to operate this tool until you have
read thoroughly and understand completely all
instructions, safety rules, etc. contained in this
manual. Failure to comply can result in accidents
involving fire, electric shock, or serious personal
injury. Save the operator's manual and review it
frequently for continuing safe operation and
instructing others who may use this tool.
WEAR
YOUR
SAFETY
FORESIGHT IS BETTER
GLASSES
THAN NO SIGHT
Look for this symbol to point out important safety
precautions. It means attention!!! Your safety is involved.
The operation of any power tool can result in foreign objects being thrown into your
eyes, which can result in severe eye damage. Before beginning tool operation, always
wear safety 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 with side shields. Always wear eye protection which is marked to comply
with ANSI Z87.1.
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GENERAL SAFETY RULES
WARNING:
Read and understand all instructions. Failure to
follow all instructions listed below, may result in
electric shock, fire and/or serious personal injury.
SAVE THESE INSTRUCTIONS
WORK AREA
■ Keep your work area clean and well lit. Cluttered
benches and 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 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 polarized 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 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 refrigerators. There is an increased risk of electric shock if
your body is grounded.
■ Don’t 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 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 immediately. 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 what 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, 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.
■ Remove adjusting keys or wrenches before turning 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 balance at all times. Proper footing and balance en-
ables better control of the tool in unexpected situations. Do not use on a ladder or unstable support.
■ Use safety equipment. Always wear eye protection. Dust mask, non-skid safety shoes, hard hat, or
hearing protection must be used for appropriate conditions.
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 unstable and may lead to loss of control.
■ Do not force tool. Use the correct tool for your
application. 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 accidentally.
■ 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 condition that may affect the tool’s operation. If damaged, 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 hazardous when used on another tool.
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GENERAL SAFETY RULES
SERVICE
■ Tool service must be performed only by qualified repair personnel. Service or maintenance per-
formed by unqualified personnel could result in a risk
of injury.
■ When servicing a 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 electric shock or injury.
SPECIFIC SAFETY RULES
Hold tool by insulated gripping surfaces when performing an operation where the cutting 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 eyeglasses 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 injury.
■ 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 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.
■ Secure work. Use clamps or a vise to hold work
when practical. It is safer than using your hand and
frees both hands to operate tool.
■ Do not abuse cord. Never carry the tool by the
cord or yank it to disconnect it from the receptacle. Keep cord away from heat, oil, and sharp
edges. Following this rule will reduce the risk of elec-
tric shock or fire.
■ Make sure your extension cord is in good condition. 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 before sawing. 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 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.
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,
• 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.
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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 NAME DESIGNATION/EXPLANATION
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watt Power
min Minutes Time
Alternating Current Type or a characteristic of current
n
0
.../min Revolutions or Reciprocation Per Minute Revolutions, strokes, surface speed,
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.
No Load Speed Rotational speed, at no load
Class II Construction Designates double-insulated
construction tools
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.
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.
CAUTION: Failure to obey a safety warning may result in property damage or personal injury to
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.
SAVE THESE INSTRUCTIONS
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SPECIFICATIONS
Rating 120 VOLTS, 60 HZ, AC ONLY
Collet 1/4 in. (6.4 mm)
Collet Adaptor 1/8 in. (3.2 mm)
No Load Speed 30,000 RPM
Amps 5
Net Weight 3.08 lbs. (1.4 kg)
UNPACKING
INSTRUCTIONS
Your Speed Saw has been shipped completely
assembled.
■ Carefully remove the Speed Saw and accessories
from the box. Make sure that all items listed in the
packing list are included.
■ Inspect the Speed Saw carefully to make sure no
breakage or damage has occurred during
shipping.
■ Do not discard the packing material until you have
carefully inspected and satisfactorily operated the
tool.
PACKING LIST
Speed Saw with Depth Adjustment Ring
Case
Bits (2)
Collet
Collet Adaptor
Circle Cutter
Wrench
Operator's Manual
If any parts are missing, do not operate this tool until
the missing parts are replaced. Failure to do so could
result in possible serious personal injury.
APPLICATIONS
You may use your Speed Saw for the purposes listed below:
■ Cutting electrical outlet openings in drywall or wood paneling.
■ Creating decorative wood accents.
■ Cutting tile.
WARNING:
NOTE: Most of these applications require different types of bits. Be sure to use the right-sized bit for your tool.
DANGER:
Do not cut electrical outlet openings with live electrical wires. Do not cut walls that may have live electrical wiring
behind them. Shut off breakers or remove fuses to disconnect the circuit. Always hold the tool by its thermoplastic
housing.
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FEATURES
DOUBLE INSULATION
Your Ryobi power tool is double insulated. This means
you are separated from the tool's electrical system by
two complete sets of electrical insulation. This extra
layer of insulation is intended to protect the user from
electrical shock due to a break in the wiring insulation. 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 wiring. Observe all normal safety precautions
related to avoiding 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 RYOBI AUTHORIZED SERVICE CENTER
for repair. When servicing use only identical Ryobi
replacement parts.
SWITCH
Your Speed Saw has a conveniently located slide switch.
SPINDLE LOCK
A spindle lock secures the spindle and allows you to
easily loosen the collet nut and change bits.
NOTE: Do not run Speed Saw with spindle lock engaged.
DEPTH ADJUSTMENT RING
Your Speed Saw is equipped with a depth adjustment
ring that allows you to adjust the depth of cut up to 1 in.
(2.5 cm).
CIRCLE CUTTER
The circle cutter enables you to quickly cut circles from
3.5 in. (8.9 cm) in diameter to 12 in. (30.5 cm) in
diameter.
ERGONOMIC DESIGN
The design of your Speed Saw provides for easy handling
and maintaining proper control when cutting. It has been
designed to be comfortable and easy to grasp when
operating in different positions or at different angles.
ELECTRIC MOTOR
Your Speed Saw 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 voltage drop of
more than 10 percent 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.
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COLLET NUT
FEATURES
SWITCH
BIT
SPINDLE LOCK
ADJUSTING
KNOB
DEPTH
ADJUSTMENT RING
Fig. 1
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.
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ADJUSTMENTS
WARNING:
Your Speed Saw should never be connected to power
supply when you are assembling parts, making
adjustments, cleaning, performing maintenance, or
when not in use. Disconnecting your Speed Saw will
prevent accidental starting that could cause serious
injury.
INSERTING/REMOVING BITS
See Figure 2.
Follow these directions when inserting and removing
bits.
■ UNPLUG YOUR SPEED SAW.
WARNING:
Failure to unplug your Speed Saw could result in
accidental starting causing serious injury.
CAUTION:
To prevent damage to the spindle or spindle lock,
always allow motor to come to a complete stop before
engaging spindle lock.
■ Depress spindle lock.
■ Loosen collet nut by turning counterclockwise with
the wrench provided.
WARNING:
TO TIGHTEN
TO LOOSEN
Fig. 2
WARNING:
Do not use bits with undersized shanks. Undersized
shanks will not tighten properly and could be thrown
from the tool causing injury.
ADJUSTING DEPTH OF CUT
See Figure 3.
Follow these directions when adjusting depth of cut.
■ UNPLUG YOUR SPEED SAW.
WARNING:
Failure to unplug your Speed Saw could result in
accidental starting causing serious injury.
If you are changing a bit immediately after use, be
careful not to touch the bit or collet with your hands
or fingers. They will get burned because of the heat
buildup from cutting. Always use the wrench provided.
■ To insert bit: Insert shank end of bit into collet.
■ To remove bit: Remove bit once collet nut is loose.
NOTE: The collet is machined to precision tolerances
to fit bits with 1/4 in. (6.35 mm) diameter shanks. To
use bits with 1/8 in. (3.16 mm) shank bits, insert the
1/8 in. (3.16 mm) adaptor into the 1/4 in. (6.35 mm)
collet.
■ Tighten collet nut securely by turning clockwise with
the wrench provided.
WARNING:
If the collet nut is not securely tightened, the bit may
detach during use causing serious personal injury.
■ Release spindle lock.
■ Loosen adjusting knob by turning counterclockwise.
■ Move depth adjustment ring to desired position .
■ Tighten adjusting knob by turning clockwise.
TO TIGHTEN
TO LOOSEN
ADJUST UP OR
DOWN
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Fig. 3
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ADJUSTMENTS
REMOVING DEPTH ADJUSTMENT RING
See Figure 4.
Follow these directions when removing the depth
adjustment ring.
■ Place wrench in tab on depth adjustment ring.
■ Depress spring-loaded tab.
■ Lift depth adjustment ring off of tool.
TAB
ASSEMBLING CIRCLE CUTTER
See Figure 5.
Follow these directions when assembling the circle
cutter.
■ Attach handle with screw provided.
■ Attach pivot point knob with nut provided.
ATTACHING CIRCLE CUTTER
See Figure 6.
Follow these directions when attaching the circle cutter.
■ UNPLUG YOUR SPEED SAW.
WARNING:
Failure to unplug your Speed Saw could result in
accidental starting causing serious injury.
■ Assemble circle cutter if necessary. Refer to “ASSEMBLING CIRCLE CUTTER” previously.
■ Remove bit if necessary. Refer to “INSERTING/
REMOVING BITS” earlier in this manual.
■ Place adaptor under depth adjustment ring.
WRENCH
Fig. 4
SCREW
NUT
NOTE: Make sure the adaptor fits snugly.
■ Place circle cutter arm on top of depth adjustment
ring.
■ Screw threaded ring onto adaptor, securing circle
cutter arm.
■ Insert bit. Refer to “INSERTING/REMOVING BITS”
earlier in this manual.
HANDLE
ADAPTOR
POINT KNOB
THREADED
RING
DEPTH
ADJUSTMENT
RING
PIVOT
Fig. 5
CIRCLE
CUTTER
ARM
Fig. 6
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OPERATION
STARTING/STOPPING SPEED SAW
See Figure 7.
Follow these directions when starting and stopping the
Speed Saw.
To start Speed Saw: Depress the switch to the I position.
To stop Speed Saw: Depress the switch to the O position.
CAUTION:
We suggest that you practice with your Speed Saw
before installing a bit and making cuts.
ON (|)
OFF (O)
OPERATING SPEED SAW
See Figure 8.
Follow these directions when operating the Speed Saw.
■ Hold Speed Saw firmly with both hands.
■ Start Speed Saw.
■ Tilt Speed Saw at a 45
■ Plunge bit into material using guide ring as a pivot.
■ Raise Speed Saw slowly to a 90o angle.
■ Begin cutting.
o
angle.
USING CIRCLE CUTTER
See Figure 9.
Follow these directions when using the circle cutter.
■ Assemble circle cutter if necessary. Refer to “ASSEMBLING CIRCLE CUTTER” earlier in this manual.
■ Attach circle cutter to Speed Saw if necessary. Refer
to “ATTACHING CIRCLE CUTTER” earlier in this
manual.
■ Adjust depth of cut if necessary. Refer to “ADJUSTING DEPTH OF CUT” earlier in this manual.
■ Loosen pivot point knob.
■ Move pivot point knob to desired diameter dimen-
sion.
■ Tighten pivot point knob.
■ Start Speed Saw.
■ Cut a pilot hole in the center of the intended circle.
■ Line up pivot point knob with the lead hole.
■ Begin cut, applying moderate, steady pressure.
■ Hold the Speed Saw firmly with one hand and the
handle with the other.
Fig. 7
Fig. 8
CAUTION:
Too much force causes heat build up, which can
shorten the life of the bit.
■ Work in a clockwise direction, continuing back to the
starting position.
■ Stop Speed Saw.
Fig. 9
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MAINTENANCE
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.
WARNING:
Do not at any time let brake fluids, gasoline,
petroleum-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, it is 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 that the tool is cleaned frequently by
blowing with an air jet.
BITS
Get faster and more accurate cutting results by keeping
bits clean. Remove all accumulated build-up from bits
after each use. Replace bits when they become dull.
WARNING:
The bit flutes are sharp and should be handled with
caution.
COLLET
From time to time, it also becomes necessary to clean
your collet and collet nut. To do so, simply remove collet
nut and collet from the shaft and clean the dust and chips
that have collected. Then return collet nut to its original
position. Tighten collet nut on collet without a bit installed.
LUBRICATION
All of the bearings in this tool 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.
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.
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NOTES
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OPERATOR'S MANUAL
SPEED SAW
SS50
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.
When working with a tool outdoors, use an extension cord
that is designed for outside use. This is indicated by the letters
"WA" 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 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
Cord Length Wire Size (A.W.G.)
25' 16 16 16 16 14 14
50' 16 16 16 14 14 12
100' 16 16 14 12 10 —
CAUTION: 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.
**Used on 12 gauge - 20 amp circuit.
• 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.
• 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.
• HOW TO ORDER REPAIR PARTS
983000-049
WHEN ORDERING REPAIR PARTS,
ALWAYS GIVE THE FOLLOWING INFORMATION:
• MODEL NUMBER
SS50
• 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
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