Kobalt SM1815LW User Manual
1
AB17634
Questions, problems, missing parts? Before returning to your retailer, call our
customer service department at 1-888-3KOBALT (1-888-356-2258), 8 a.m. - 8 p.m.,
EST, Monday - Friday.
MODEL #SM1815LW / #0857240
7-1/4-IN COMPACT SLIDING
SINGLE-BEVEL MITER SAW
Français p. 45
Serial Number MFG Date Purchase Date
ATTACH YOUR RECEIPT HERE
Español p. 89
US
C
2
MOTOR CUTTING CAPACITY
Power Source 10A, 120V A/C, 60 Hz Crosscut 2 in. x 8 in.
Arbor Shaft Size 5/8 in. Miter 45° Right & Left 2 in. x 6 in.
Speed (No load) 5,000 RPM Bevel 45° Left 1-1/2 in. x 8 in.
Electric Brake Yes 45° Miter & 45° Bevel 1-1/2 in. x 6 in.
Double Insulated Ye s Crown Moulding Nested 3-3/8 in.
BLADE Base Moulding Against Fence 2-3/8 in.
Diameter 7-1/4 in. MITER/BEVEL POSITIVE STOP ANGLES
Arbor 5/8 in. Miter Range 0° ~ 50° right and left
Tooth thickness 0.087 in. Miter Detent Stops
0°, 15°, 22.5°, 31.6°,
45° right and left
Bevel Range 0° ~ 47° left
Bevel Positive Stops 0°, 45° left
TABLE OF CONTENTS
PRODUCT SPECIFICATIONS
Product Specications.............................................................................................................. 2
Package Contents..................................................................................................................... 3
General Power Tool Safety Warnings........................................................................................ 4
Safety Information..................................................................................................................... 9
Preparation............................................................................................................................... 11
Assembly Instructions.................................................................................
......
........................ 13
Adjustment Instructions............................................................................................................. 15
Operating Instructions............................................................................................................... 26
Crown Moulding Chart.............................................................................................................. 37
Care and Maintenance.............................................................................................................. 38
Troubleshooting........................................................................................................................ 40
Replacement Parts List............................................................................................................ 41
Warranty.................................................................................................................................... 44
3
UNPACKING YOUR MITER SAW
WARNING: To avoid injury from unexpected starting or electrical shock, do not plug the
power cord into a source of power during unpacking and assembly. The cord must remain
unplugged whenever you are adjusting/assembling the saw.
1. Remove the miter saw from the carton.
IMPORTANT: Do not lift miter saw by the trigger switch handle. It may cause misalignment.
Lift the saw by the hand holds for transportation.
2. Place the saw on a secure, stationary work surface.
3. Separate all parts from the packing material. Check each one with the illustration below to
make certain all items are accounted for before discarding any packing material.
WARNING: If any part is missing or damaged, do not attempt to assemble the miter saw or
plug in the power cord until the missing or damaged part is correctly replaced. To avoid electric
shock, use only identical replacement parts when servicing double-insulated tools.
PART DESCRIPTION QUANTITY
A Miter saw 1
B Hold-down clamp 1
C Dust bag 1
D Blade wrench 1
E Miter handle 1
PACKAGE CONTENTS
A D E
C
B
4
WARNING
Read all safety warnings, instructions, illustrations and specications
provided with this power tool. Failure to follow all instructions listed below may result in electric
shock, re 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
ammable 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. Unmodied 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 residual current
device (RCD) protected supply. Use of an RCD 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 inuence of drugs,
alcohol or medication. A moment of inattention while operating power tools may result in
serious personal injury.
GENERAL POWER TOOL SAFETY WARNINGS
5
● Use personal protective equipment. Always wear eye protection. Protective equipment
such as 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 nger on the switch or energising 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 jewellery. Keep your hair, clothing and
gloves away from moving parts. Loose clothes, jewellery 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 dustrelated 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.
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.
6
● 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 qualied repair person using only identical
replacement parts. This will ensure that the safety of the power tool is maintained.
SAFETY INSTRUCTIONS FOR MITER SAWS
● Miter saws are intended to cut wood or wood-like products, they cannot be used with
abrasive cut-off wheels for cutting ferrous material such as bars, rods, studs, etc.
Abrasive dust causes moving parts such as the lower guard to jam. Sparks from abrasive
cutting will burn the lower guard, the kerf insert and other plastic parts.
● Use clamps to support the workpiece whenever possible. If supporting the workpiece
by hand, you must always keep your hand at least 100 mm from either side of the saw
blade. Do not use this saw to cut pieces that are too small to be securely clamped or
held by hand. If your hand is placed too close to the saw blade, there is an increased risk of
injury from blade contact.
● The workpiece must be stationary and clamped or held against both the fence and
the table. Do not feed the workpiece into the blade or cut "freehand" in any way.
Unrestrained or moving workpieces could be thrown at high speeds, causing injury.
● Push the saw through the workpiece. Do not pull the saw through the workpiece. To
make a cut, raise the saw head and pull it out over the workpiece without cutting, start
the motor, press the saw head down and push the saw through the workpiece. Cutting
on the pull stroke is likely to cause the saw blade to climb on top of the workpiece and violently
throw the blade assembly towards the operator.
● Never cross your hand over the intended line of cutting either in front or behind the
saw blade. Supporting the workpiece "cross handed" i.e. holding the workpiece to the right of
the saw blade with your left hand or vice versa is very dangerous.
● Do not reach behind the fence with either hand closer than 100 mm from either side
of the saw blade, to remove wood scraps, or for any other reason while the blade is
spinning. The proximity of the spinning saw blade to your hand may not be obvious and you
may be seriously injured.
● Inspect your workpiece before cutting. If the workpiece is bowed or warped, clamp it
with the outside bowed face toward the fence. Always make certain that there is no
gap between the workpiece, fence and table along the line of the cut. Bent or warped
workpieces can twist or shift and may cause binding on the spinning saw blade while cutting.
There should be no nails or foreign objects in the workpiece.
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● Do not use the saw until the table is clear of all tools, wood scraps, etc., except for the
workpiece. Small debris or loose pieces of wood or other objects that contact the revolving
blade can be thrown with high speed.
● Cut only one workpiece at a time. Stacked multiple workpieces cannot be adequately
clamped or braced and may bind on the blade or shift during cutting.
● Ensure the miter saw is mounted or placed on a level, rm work surface before use. A
level and rm work surface reduces the risk of the miter saw becoming unstable.
● Plan your work. Every time you change the bevel or miter angle setting, make sure the
adjustable fence is set correctly to support the workpiece and will not interfere with
the blade or the guarding system. Without turning the tool "ON" and with no workpiece on
the table, move the saw blade through a complete simulated cut to assure there will be no
interference or danger of cutting the fence.
● Provide adequate support such as table extensions, saw horses, etc. for a workpiece
that is wider or longer than the table top. Workpieces longer or wider than the miter saw
table can tip if not securely supported. If the cut-off piece or workpiece tips, it can lift the lower
guard or be thrown by the spinning blade.
● Do not use another person as a substitute for a table extension or as additional
support. Unstable support for the workpiece can cause the blade to bind or the workpiece to
shift during the cutting operation pulling you and the helper into the spinning blade.
● The cut-off piece must not be jammed or pressed by any means against the spinning
saw blade. If conned, i.e. using length stops, the cut-off piece could get wedged against the
blade and thrown violently.
● Always use a clamp or a xture designed to properly support round material such as
rods or tubing. Rods have a tendency to roll while being cut, causing the blade to "bite" and
pull the work with your hand into the blade.
● Let the blade reach full speed before contacting the workpiece. This will reduce the risk of
the workpiece being thrown.
● If the workpiece or blade becomes jammed, turn the miter saw off. Wait for all moving
parts to stop and disconnect the plug from the power source and/or remove the battery
pack. Then work to free the jammed material. Continued sawing with a jammed workpiece
could cause loss of control or damage to the miter saw.
● After nishing the cut, release the switch, hold the saw head down and wait for the
blade to stop before removing the cut-off piece. Reaching with your hand near the coasting
blade is dangerous.
● Hold the handle rmly when making an incomplete cut or when releasing the switch
before the saw head is completely in the down position. The braking action of the saw
may cause the saw head to be suddenly pulled downward, causing a risk of injury.
● Do not use this saw to cut tree limbs or logs.
● Never use blades recommended for operation at less than 5000 RPM.
WARNING: Additional warnings are listed throughout this manual. Please review all
before operating this power tool.
8
PROPOSITION 65 WARNING
Some dust created by power sanding, sawing, grinding, drilling and other construction activities
contains chemicals known to the State of California 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 dust masks that are specially designed to lter out microscopic particles.
Handling the power cord on this product may expose you to chemicals known to the state of
California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
READ INSTRUCTION MANUAL: To reduce the risk of injury, user and all bystanders
must read instruction manual before using this product.
9
SAFETY INFORMATION
ELECTRICAL SPECIFICATIONS AND SAFETY
CAUTION: POWER SUPPLY AND MOTOR
The A/C motor used in this saw is a universal, nonreversible type. See “MOTOR” in the
“PRODUCT SPECIFICATIONS” section on page 2.
To avoid electrical hazards, re hazards or damage to the tool, use proper circuit
protection. Your saw is wired at the factory for 120V operation. Connect to a 120V, 10A
circuit and use a 15A time-delay fuse or circuit breaker. If power cord is worn or cut or
damaged in any way, have it replaced immediately to avoid shock or re.
DOUBLE INSULATED (Symbol: )
This power tool is double insulated to provide a double thickness of insulation between you and
the tool’s electrical system. All exposed metal parts are isolated from the internal metal motor
components with protective insulation.
REPLACEMENT PARTS – When servicing, use only identical replacement parts. Refer to the
Replacement Parts List on the page 41.
POLARIZED PLUGS – To reduce the risk of electrical shock, this saw has
a polarized plug (one blade is wider than the other). This plug (illustrated at
right) will t in a polarized outlet only one way. If the plug does not t fully in
the outlet, reverse the plug. If it still does not t, contact a qualied electrician
to install the proper outlet. Do not change the plug in any way.
CAUTION: Double insulation does not take the place of normal safety precautions when
operating this tool. To avoid electrocution:
● Use only identical replacement parts when servicing a tool with double insulation. Servicing
should be performed by a qualied technician.
● Do not use power tools in wet or damp locations or expose them to rain or snow.
MOTOR SAFETY PROTECTION
CAUTION: To avoid motor damage, the motor should be blown out or vacuumed frequently to
keep sawdust from interfering with motor ventilation.
● CONNECT this saw to a 120V circuit. This circuit must not be less than a #16 wire with a 15A
time lag fuse.
NOTE: When using an extension cord on a circuit with a #16 wire, the extension cord must
not exceed 25 feet in length.
● If the motor will not start, release the trigger switch immediately. UNPLUG THE SAW. Check
the saw blade to make sure it turns freely. If the blade is free, try to start the saw again. If the
motor still does not start, refer to TROUBLESHOOTING.
● If the tool suddenly stalls while cutting wood, release the trigger switch, unplug the tool and
free the blade from the wood. The saw may now be started and the cut nished.
10
● FUSES may “blow” or circuit breakers may trip frequently if:
- MOTOR is overloaded – overloading can occur if you feed too rapidly or make too many
starts/stops in a short time.
- LINE VOLTAGE is more than 10% above or below the nameplate voltage rating. For heavy
loads, the voltage at motor terminals must equal the voltage specied on the nameplate.
- IMPROPER or dull saw blades are used.
GUIDELINES FOR EXTENSION CORDS
When using an extension cord, be sure to use one heavy enough to carry the current your
product will draw. An undersized cord will cause a drop in line voltage, resulting in loss of power
and overheating. The table below shows the correct size to use depending on cord length and
nameplate ampere rating. If in doubt, use the next heavier gauge. The smaller the gauge number,
the heavier the cord.
MINIMUM GAUGE FOR EXTENSION CORDS (AWG)
(When using 120 volts only)
Ampere Rating Total length of Cord
More Than Not More Than 25 ft. 50 ft. 100 ft. 150 ft.
0 6 18 16 16 14
6 10 18 16 14 12
10 12 16 16 14 12
12 16 14 12
Not Recommended
Be sure your extension cord is properly wired and in good condition. Always replace a
damaged extension cord or have it repaired by a qualied person before using it. Protect your
extension cords from sharp objects, excessive heat and damp or wet areas.
Use a separate electrical circuit for your tools. This circuit must not be less than #12 wire and
should be protected with a 15A time-delay fuse. Before connecting the tool to the extension cord,
make sure the saw switch is in the OFF position. The electric circuit should be rated at the same
voltage as is stamped on the motor nameplate. Running at a lower voltage will damage the motor.
CAUTION: In all cases make certain the receptacle in question is properly grounded. If you
are not sure, have a certied electrician check the receptacle.
11
Before beginning assembly or operation of the product, make sure all parts are present. Compare
parts with package contents list and diagram on page 3. If any part is missing or damaged, do not
attempt to assemble, install or operate the product.
Estimated Assembly Time: 10 minutes.
Tools Required for Assembly (included): Blade Wrench.
Tools Required for Assembly (not included): Adjustable Wrench, 6 mm Hex Wrench,
10 mm Wrench, Combination Square, Phillips Screwdriver, Flathead Screwdriver.
PREPARATION
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KNOW YOUR MITER SAW
Hold-Down Clamp
Laser Guide
Mounting Holes
Positive Miter Stop
Lower Blade
Guard
Switch Handle
Upper Blade Guard
Base
Table Insert
Hand Hold for
Transportation
Motor
Motor Brush
Slide Carriage
Miter Handle
Positive Miter Stop
Locking Lever
Fence
Sliding Carriage
Lock Knob
Stop Latch Knob
Bevel Lock
Handle
Table
Blade
Laser ON/OFF
Switch
Arbor Lock
Button
Cutting Depth
Stop Knob
Hand Hold for
Transportation
Blade Wrench
Storage
13
2
1
ASSEMBLY INSTRUCTIONS
WARNING: To avoid injury, do not connect
this miter saw to a power source until it is
completely assembled and adjusted and you
have read and understood the operator’s
manual.
INSTALLING THE MITER HANDLE (FIG. 1)
● Thread the miter handle (E) into the hole
located at the front of the miter saw (A).
INSTALLING THE DUST BAG (FIG. 2)
● Squeeze the metal collar wings on the dust
bag (C).
● Place the dust bag neck opening around
the exhaust port on the miter saw (A) and
release the metal collar wings.
NOTE: To empty the dust bag, squeeze the
metal collar wings and remove from exhaust port.
Open zipper on underside of bag and empty into
waste container.
IMPORTANT: Check frequently and empty bag
before it gets full.
WARNING: Do not use this saw to cut and/
or sand metals. The hot chips or sparks may
ignite sawdust from the bag material.
A
E
A
C
14
4
3
INSTALLING THE HOLD-DOWN CLAMP (FIG. 3)
NOTE: There are two mounting holes for the
hold-down clamp. These are located just behind
the fence on the left and right side of the base.
● Loosen the lock knob behind the fence.
● Place the hold-down clamp (B) in the desired
mounting hole.
● Tighten the lock knob to hold the hold-down
clamp.
BLADE WRENCH (FIG. 4)
For convenient storage and prevention of loss,
there is a holder in the rear of the right side
fence for storing the blade wrench (D) when not
in use.
B
Lock
knob
Mounting holes
D
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