Ryobi R10631 User Manual
OPERAT OR'S MANUAL
5-1/2 in. CORDLESS CIRCULAR
SAW MODEL NO. R10631
SPECIFICATIONS:
Blade Diameter 5-1/2 in. (140 mm)
Blade Arbor 3/8 in. (10 mm)
Cutting Depth at 0° 1-9/16 in. (40 mm)
Cutting Depth at 45° 1-1/8 in. (29 mm)
No Load Speed 4,200 RPM
Motor 18 Volt DC
Charge Rate 1 Hour
Charger Rating 120 Volts, 60 Hz, AC
THANK YOU FOR BUYING A RYOBI CORDLESS CIRCULAR SAW.
Your new cordless circular 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 cordless circular saw.
Pay close attention to the Rules for Safe Operation, Warnings, and Cautions. If you use your cordless circular 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
TABLE OF CONTENTS
■ Table of Contents ............................................................................................................................ 2
■ Accessories ..................................................................................................................................... 2
■ Unpacking........................................................................................................................................ 2
■ Rules For Safe Operation ............................................................................................................. 3-6
A. Important Safety Rules For Battery Tools ................................................................................ 4
B. Important Safety Instructions For Charger ............................................................................... 5
C. Important Safety Instructions For Circular Saws ...................................................................5-6
■ Features........................................................................................................................................... 7
■ Operation ....................................................................................................................................8-18
■ Maintenance .................................................................................................................................. 19
■ Battery Pack Removal and Preparation For Recycling.................................................................. 19
■ Parts Ordering / Service ................................................................................................................ 20
Look for this symbol to point out important safety precautions. It means attention!!!
Your safety is involved.
ACCESSORIES
The following recommended accessories are current and were available at the time this manual was printed.
■ 5-1/2 in. (140 mm) Thin Kerf Blade
UNPACKING
Your circular saw has been shipped completely assembled
except for the blade. Inspect it carefully to make sure no
breakage or damage has occurred during shipping. If any
parts are damaged or missing, contact your nearest Ryobi
Authorized Service Center to obtain replacement parts before
attempting to operate saw. A blade, blade wrench, and this
operator's manual are also included.
W ARNING:
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 power 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 use eye protection which is marked
to comply with ANSI Z871.1.
WARNING:
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.
Page 2
RULES FOR SAFE OPERATION
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
SAFETY ALERT SYMBOL:
Indicates danger, warning, or caution. May be used in conjunction with other symbols or pictographs.
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.
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 operator's manual
and review frequently for continuing safe operation, and
instructing others who may use this tool.
READ ALL INSTRUCTIONS
■ 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.
■ GUARD AGAINST ELECTRICAL SHOCK by prevent-
ing body contact with grounded surfaces. For example:
Pipes, radiators, ranges, refrigerator enclosures.
■ KEEP WORK AREA CLEAN. Cluttered areas and
benches invite accidents.
■ AVOID DANGEROUS ENVIRONMENT. Don't use
power tool in damp or wet locations or expose to rain.
Keep work area well lit.
■ KEEP CHILDREN AND VISITORS AWAY. All visitors
should wear safety glasses and be kept a safe distance
from work area. Do not let visitors contact tool or
extension cord.
■ STORE IDLE TOOLS. When not in use tools should be
stored in a dry and high or locked-up place - out of the
reach of children.
■ DON'T FORCE TOOL. It will do the job better and safer
at the rate for which it was designed.
■ USE RIGHT TOOL. Don't force small tool or attach-
ment to do the job of a heavy duty tool. Don't use tool
for purpose not intended - for example - A circular saw
should never be used for cutting tree limbs or logs.
■ WEAR PROPER APPAREL. Do not wear loose cloth-
ing or jewelry that can get caught in tool's moving parts
and cause personal injury. Rubber gloves and nonskid
footwear are recommended when working outdoors.
Wear protective hair covering to contain long hair and
keep it from being drawn into nearby air vents.
■ ALWAYS WEAR SAFETY GLASSES. Everyday eye-
glasses have only impact-resistant lenses; they are
NOT safety glasses.
■ PROTECT YOUR LUNGS. Wear a face mask or dust
mask if operation is dusty.
■ PROTECT YOUR HEARING. Wear hearing protection
during extended periods of operation.
■ SECURE WORK. Use clamps or a vise to hold work. It's
safer than using your hand and it frees both hands to
operate tool.
■ DON'T OVERREACH. Keep proper footing and bal-
ance at all times. Do not use while standing on a ladder
or unstable support.
■ MAINTAIN TOOLS WITH CARE. Keep tools sharp at
all times, and clean for best and safest performance.
Follow instructions for lubricating and changing accessories.
■ REMOVE ADJUSTING KEYS AND WRENCHES. Form
habit of checking to see that keys and adjusting wrenches
are removed from tool before turning it on.
Page 3
RULES FOR SAFE OPERATION (Continued)
■ NEVER USE IN AN EXPLOSIVE ATMOSPHERE.
Normal sparking of the motor could ignite flammable
liquids, gases, or fumes.
■ KEEP HANDLES DRY, CLEAN, AND FREE FROM
OIL AND GREASE. Always use a clean cloth when
cleaning. Never use brake fluids, gasoline, petroleumbased products or any strong solvents to clean your
tool.
■ STAY ALERT. Watch what you are doing and use
common sense. Do not operate tool when you are tired.
Do not rush.
■ 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 unless indicated elsewhere
in this operator's manual.
■ DO NOT USE TOOL IF SWITCH DOES NOT TURN IT
ON AND OFF. Have defective switches replaced by an
authorized service center.
■ DRUGS, ALCOHOL, MEDICATION. Do not operate
tool while under the influence of drugs, alcohol, or any
medication.
■ CUTTING INTO ELECTRICAL WIRING IN WALLS
AND FLOORS CAN CAUSE THE BLADE AND METAL
PARTS TO BECOME ELECTRICALLY LIVE. Do not
touch metal parts when cutting into walls and floors;
grasp only the insulated handle(s) provided on the tool.
Make sure hidden electrical wiring, water pipes, and
mechanical hazards are not in the blade path when
cutting into a wall or floor.
■ AVOID CUTTING NAILS. Inspect for and remove all
nails from lumber before cutting.
IMPORTANT SAFETY RULES FOR BATTERY
TOOLS
■ Battery tools do not have to be plugged into an electrical
outlet; therefore, they are always in an operating
condition. Be aware of possible hazards when carrying
your battery tool, when making adjustments to it, or
when changing accessories.
W ARNING:
Never use a battery that has been dropped or received a
sharp blow. A damaged battery is subject to explosion.
Properly dispose of a dropped battery immediately. Failure
to heed this warning can result in serious personal injury.
■ DO NOT PLACE BATTERY TOOLS OR THEIR
BATTERIES NEAR FIRE OR HEAT. They may explode.
WARNING:
Batteries vent hydrogen gas and can explode in the
presence of a source of ignition, such as a pilot light. To
reduce the risk of serious personal injury, never use any
cordless product in the presence of open flame. An
exploded battery can propel debris and chemicals. If
exposed, flush with water immediately.
W ARNING:
A damaged battery is subject to explosion. To avoid
serious personal injury, properly dispose of a damaged
battery.
■ DO NOT CHARGE BATTERY TOOL IN A DAMP OR
WET LOCATION.
■ Your battery tool should be charged in a location where
the temperature is more than 50°F but less than
100°F. Do not store outside or in vehicles.
■ Under extreme usage or temperature conditions, battery
leakage may occur. If liquid comes in contact with your
skin, wash immediately with soap and water, then
neutralize with lemon juice or vinegar. If liquid gets in
your eyes, flush them with clean water for at least 10
minutes, then seek immediate medical attention.
■ If carrying your battery tool at your side, make sure it is
not running and your finger is not on the switch. Avoid
accidental starting.
■ SECURE WORK before applying power. NEVER hold
workpiece in your hand or across your legs.
■ WHEN SERVICING USE ONLY IDENTICAL
REPLACEMENT PARTS.
■ USE ONLY THE CHARGER AND BATTERY
RECOMMENDED FOR YOUR BATTERY TOOL. Do
not substitute any other charger. Use of another charger
could cause batteries to explode causing possible
serious injury.
Page 4
RULES FOR SAFE OPERATION (Continued)
IMPORTANT SAFETY INSTRUCTIONS FOR
CHARGER
■ SAVE THESE INSTRUCTIONS. This manual contains
important safety and operating instructions for battery
charger part numbers 1400667 and 1423701.
■ Before using battery charger, read all instructions and
cautionary markings in this manual, on battery charger,
and product using battery charger.
W ARNING:
To reduce risk of injury, charge only nickel-cadmium type
rechargeable batteries. Other types of batteries may
burst causing personal injury and damage.
■ Do not expose charger to rain or snow.
■ Use of an attachment not recommended or sold by the
battery charger manufacturer may result in a risk of fire,
electric shock, or injury to persons.
■ To reduce risk of damage to charger body and cord, pull
by charger plug rather than cord when disconnecting
charger.
IMPORTANT SAFETY INSTRUCTIONS FOR
CIRCULAR SAWS
■ KEEP GUARDS IN PLACE AND IN WORKING
ORDER. Never wedge or tie lower blade guard open.
Check operation of lower blade guard before each use.
Do not use if lower blade guard does not close briskly
over saw blade.
W ARNING:
If saw is dropped, lower blade guard or bumper may be
bent, restricting full return. If lower blade guard or bumper
becomes bent or damaged, replace them before reuse.
■ KEEP BLADES CLEAN AND SHARP. Sharp blades
minimize stalling and kickback.
DANGER:
KEEP HANDS AWAY FROM CUTTING AREA. Keep
hands away from blade. Do not reach underneath work
while blade is rotating. Do not attempt to remove cut
material when blade is moving.
■ Make sure cord is located so that it will not be stepped
on, tripped over, or otherwise subjected to damage or
stress.
■ An extension cord should not be used unless absolutely
necessary. Use of improper extension cord could
result in a risk of fire and electric shock. If extension
cord must be used, make sure:
a. That pins on plug of extension cord are the same
number, size and shape as those of plug on
charger.
b. That extension cord is properly wired and in good
electrical condition; and
c. That wire size is large enough for AC ampere
rating of charger as specified below:
Cord Length (Feet) 25' 50' 100'
Cord Size (AWG) 16 16 16
NOTE: AWG = American Wire Gage
■ DO NOT OPERATE CHARGER WITH A DAMAGED
CORD OR PLUG. If damaged, have replaced
immediately by a qualified serviceman.
■ Do not operate charger if it has received a sharp blow,
been dropped, or otherwise damaged in any way; take
it to a qualified serviceman.
■ Do not disassemble charger; take it to a authorized
serviceman when service or repair is required. Incorrect
reassembly may result in a risk of electric shock or fire.
■ To reduce risk of electric shock, unplug charger from
outlet before attempting any maintenance or cleaning.
Turning off controls will not reduce this risk.
■ Do not use charger in wet or damp conditions.
■ Disconnect charger from power supply when not in use.
W ARNING:
Blades coast after turn off.
■ USE RIP FENCE. Always use a fence or straight edge
guide when ripping.
■ SUPPORT LARGE PANELS. To minimize the risk of
blade pinching and kickback, always support large
panels as shown in Figure 11, Page 12. When cutting
operation requires the resting of the saw on the
workpiece, the saw should be rested on the larger
portion and the smaller piece cut off.
■ LOWER BLADE GUARD.
W ARNING:
If lower blade guard must be raised to make a cut, always
raise it with the retracting handle to avoid serious injury.
See Figure 20, Page 16.
■ GUARD AGAINST KICKBACK.
Kickback occurs when the saw stalls rapidly and is
driven back towards the operator.
Release switch immediately if blade binds or saw stalls.
Keep blades sharp.
Support large panels as shown in Figure 11, Page 12.
Use fence or straight edge guide when ripping.
Don't force tool.
Stay alert – exercise caution.
Don't remove saw from work during a cut while the
blade is moving.
Page 5
See Pages 12 and 13.
RULES FOR SAFE OPERATION (Continued)
■ BEFORE MAKING A CUT, BE SURE THE DEPTH
AND BEVEL ADJUSTMENTS ARE TIGHT.
■ USE ONLY CORRECT BLADES. Do not use blades
with incorrect size holes. Never use blade washers or
bolts that are defective or incorrect. The maximum blade
capacity of your saw is 5-1/2 inches (140 mm).
■ NEVER touch the blade or other moving parts during
use.
■ NEVER start a saw when its blade is touching the
workpiece.
■ NEVER lay a tool down before its moving parts have
come to a complete stop.
■ 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.
SAVE THESE INSTRUCTIONS
Page 6
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