Skil 3821 Manuale utente
30
45
50
15
0
15
22.5
22.5
31.6
WARNING: To reduce the risk of injury, the user must read and understand the
Owner’s Manual before using this product. Save these instructions for future reference.
AVERTISSEMENT : Afin de réduire les risques de blessure, l’utilisateur doit lire et
comprendre le guide d’utilisation avant d’utiliser cet article. Conservez le présent guide
afin de pouvoir le consulter ultérieurement.
ADVERTENCIA : Para reducir el riesgo de lesiones, el usuario debe leer y comprender
el Manual del operador antes de utilizar este producto. Guarde estas instrucciones para
consultarlas en caso sea necesario.
Owner’s Manual
Guide d’utilisation
Manual del propietario
For Customer Service
Pour le service à la clientèle
Servicio al cliente
Compound Miter Saw
Scie à onglets composés
Sierra para cortar ingletes compuestos
1-877-SKIL-999 OR www.skil.com
Model/ Modelo/ Modèle: 3821
2
TABLE OF CONTENTS
General Power Tool Safety Warnings .............................3-4
Safety Instructions For Miter Saws ...............................4-7
Connection To A Power Source ....................................8
Extension Cords ................................................8
Maximum Cutting Capacities ......................................9
Symbols ...................................................10-13
Electrical Requirements .........................................14
Laser Warnings ................................................15
Getting to Know Your Miter Saw ...............................16-18
Assembly ..................................................19-22
Adjustments................................................23-26
Transporting...................................................26
Installation ....................................................27
Basic Saw Operations........................................28-32
Saw Operations .............................................33-37
Maintenance and Lubrication..................................38-39
Troubleshooting ...............................................39
Limited Warranty Of SKIL Consumer Benchtop Power Tools...........40
3
GENERAL POWER TOOL SAFETY WARNINGS
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 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 inuence 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 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
4
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.
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 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.
5
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 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.
Do not use the saw until the table is clear of all tools, wood scraps, etc., except 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 mitre 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 mitre 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 mitre 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 mitre 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.
6
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.
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 lter out
microscopic particles.
There are additional safety instructions for particular operations of the saw in the
operating section. Read the rest of the manual for safe operation.
7
Safety
WARNING “READ ALL INSTRUCTIONS” — Failure to follow the SAFETY RULES
identied by BULLET (•) symbol listed BELOW and other safety
precautions, may result in serious personal injury.
• Do not allow familiarity gained from frequent use of your miter saw to become
commonplace. Always remember that a careless fraction of a second is sufcient to inict
severe injury.
• THINK SAFETY! SAFETY IS A COMBINATION OF OPERATOR’S COMMON SENSE,
KNOWLEDGE OF THE SAFETY AND OPERATING INSTRUCTIONS AND ALERTNESS AT
ALL TIMES WHEN THE MITER SAW IS BEING USED.
WARNING THE WARNINGS SHOWN BELOW CAN BE FOUND ON YOUR TOOL.
THESE WARNINGS ARE ONLY A CONDENSED FORM OF THE MORE
DETAILED SAFETY RULES AND PRECAUTIONS THAT APPEAR IN YOUR OWNER’S
MANUAL. THEY SERVE AS A REMINDER OF All SAFETY RULES NEEDED FOR SAFE
OPERATION OF THIS MITER SAW.
LASER
2IEC 60825-1:2014
DESIGNATED DANGER ZONE.
AVOID POSITIONING HANDS,
FINGERS OR ARMS IN THE
AREA DESIGNATED BY THIS
SYMBOL.
8
CONNECTION TO A POWER SOURCE
Double Insulated Tools
Double insulation is a design concept used in electric power tools which eliminates the
need for the three wire grounded power cord and grounded power supply system. It is a
recognized and approved system by Underwriter’s Laboratories, CSA and Federal OSHA
authorities.
WARNING Servicing of a tool with double insulation requires care and knowledge of
the system and should be performed only by a qualied service technician.
WARNING WHEN SERVICING, USE ONLY IDENTICAL REPLACEMENT PARTS.
WARNING POLARIZED PLUGS. To reduce the risk of electrical shock, your tool is
equipped with a polarized plug (one blade is wider than the other), this
plug 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. To
reduce the risk of electrical shock, do not change the plug in any way.
EXTENSION CORDS
WARNING Replace damaged cords immediately. Use of damaged cords can shock,
burn or electrocute.
WARNING If an extension cord is necessary, a cord with adequate size conductors
should be used to prevent excessive voltage drop, loss of power or
overheating. The table shows the correct size to use, depending on cord length and
nameplate amperage rating of tool. If in doubt, use the next heavier gauge. Always use U.L.
and CSA listed extension cords.
RECOMMENDED SIZES OF EXTENSION CORDS 120 VOLT
ALTERNATING CURRENT TOOLS
Tool's Ampere
Rating Cord Size in A.W.G. Wire Sizes in mm2
Cord Length in Feet Cord Length in Meters
25 50 100 150 15 30 60 120
3-6 18 16 16 14 0.75 0.75 1.5 2.5
6-8 18 16 14 12 0.75 1.0 2.5 4.0
8-10 18 16 14 12 0.75 1.0 2.5 4.0
10-12 16 16 14 12 1.0 2.5 4.0 —
12-16 14 12 — — — — — —
NOTE: The smaller the gauge number, the heavier the cord.
“SAVE THESE INSTRUCTIONS”
9
MAXIMUM CUTTING CAPACITIES
Miter Angle / Bevel Angle
Dimensional
Lumber Actual Sizes
Inches Inches Centimeters
Height Width Height Width Height Width
0 / 0 Maximum Height 4 x 6 3-1/2 5-1/2 8.9 14.0
0 / 0 Maximum Width 2 x 8 1-1/2 7-1/4 3.8 18.4
45 / 0 Maximum Height 4 x 4 3-1/2 3-1/2 8.9 8.9
45 / 0 Maximum Width 2 x 6 1-1/2 5-1/2 3.8 14.0
0 / 45 2 x 8 1-1/2 7-1/4 3.8 18.4
45 / 45 2 x 6 1-1/2 5-1/2 3.8 14.0
45L / 0 Base Molding Against
Fence 5 inch* 12.7
cm
31.6 / 33.9 Crown Laying Flat 6-1/2
inch 16.5
cm
*On left side only. See page 35 for details
10
SYMBOLS
Safety Symbols
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 symbol warnings do not, by themselves, eliminate any danger. The instructions and
warnings they give are no substitutes for proper accident prevention measures.
WARNING Be sure to read and understand all safety instructions in this Operator’s
Manual, including all safety alert symbols such as “DANGER,”
“WARNING,” and “CAUTION” before using this tool. Failure to following all instructions listed
below may result in electric shock, re, and/or serious personal injury.
The denitions below describe the level of severity for each signal word. Please read the manual
and pay attention to these symbols.
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that follow this
symbol to avoid possible injury or death.
DANGER DANGER indicates a hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING WARNING indicates a hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION CAUTION, used with the safety alert symbol, indicates a hazardous
situation which, if not avoided, will result in minor or moderate injury.
Damage Prevention and Information Messages
These inform the user of important information and/or instructions that could lead to equipment
or other property damage if they are not followed. Each message is preceded by the word
“NOTICE”, as in the example below:
NOTICE: Equipment and/or property damage may result if these instructions are not followed.
WARNING The operation of any power tools 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 a 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 Z87.1.
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