Craftsman 315.277251 Owner's Manual
Owner's Manual
®
3 in. BELT SANDER
Electronic Variable Speed / Dustless
Double Insulated
Model No.
315.277251
Save this manual for
future reference
CAUTION: Read and
follow all Safety Rules
and Operating Instructions before first use of
this product.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 USA
972000-491
5-01
A
R
TABLE OF CONTENTS
■ Table Of Contents .......................................................................................................................................... 2
■ Warranty and Introduction.............................................................................................................................. 2
■ Rules For Safe Operation ........................................................................................................................... 3-5
■ Product Specifications and Unpacking .......................................................................................................... 6
■ Features ...................................................................................................................................................... 6-7
■ Adjustments...............................................................................................................................................8-10
■ Operation.................................................................................................................................................11-13
■ Maintenance............................................................................................................................................ 14-17
■ Exploded View and Repair Parts List...................................................................................................... 18-19
■ Parts Ordering / Service............................................................................................................................... 20
WARRANTY
FULL ONE YEAR WARRANTY ON CRAFTSMAN PROFESSIONAL BELT SANDER
If this Professional Belt Sander fails due to a defect in material or workmanship within one year
from the date of purchase, Sears will repair it, free of charge.
WARRANTY SERVICE IS AVAILABLE BY SIMPLY RETURNING THE TOOL TO THE NEAREST SEARS
STORE OR SEARS SERVICE CENTER IN THE UNITED STATES.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Sears, Roebuck and Co., Dept. 817WA, Hoffman Estates, IL 60179
INTRODUCTION
Your belt sander has many features for making
sanding operations more pleasant and enjoyable.
Safety, performance and dependability have been
given top priority in the design of this sander making it
easy to maintain and operate.
GENERAL
Your Craftsman Professional Belt Sander is suitable for coarse, medium and fine sanding of wood, metals,
plastics and other materials. It is ideal when used for smoothing rough boards, chamfering, rounding edges and
many other general sanding applications. It is also an excellent tool for removing paint, varnishes, and stains. Its
balanced design makes it easy to use.
CAUTION: Carefully read through this entire
owner's manual before using your new belt
sander. Pay close attention to the Rules For Safe
Operation, Warnings and Cautions. If you use
your belt sander properly and only for what it is
intended, you will enjoy years of safe, reliable
service.
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 caution or warning. 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.
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 internal metal motor
components with protecting insulation. Double
insulated tools do not need to be grounded.
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 owner'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 owner's
manual carefully. Learn its applications and
limitations as well as the specific potential
hazards related to this tool.
■ GUARD AGAINST ELECTRICAL SHOCK BY
PREVENTING BODY CONTACT WITH
GROUNDED SURFACES. For example; pipes,
radiators, ranges, refrigerator enclosures.
■ KEEP GUARDS IN PLACE AND IN WORKING
ORDER.
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 Sears Store for repair. Always use
original factory replacement parts when servicing.
■ KEEP WORK AREA CLEAN. Cluttered areas
and benches invite accidents.
■ AVOID DANGEROUS ENVIRONMENT. Don't
use power tools 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
attachment 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.
3
RULES FOR SAFE OPERATION (Continued)
■ WEAR PROPER APPAREL. Do not wear loose
clothing 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
eyeglasses have only impact-resistant lenses;
they are not safety glasses.
■ PROTECT YOUR LUNGS. Wear a face or dust
mask if the operation is dusty.
■ PROTECT YOUR HEARING. Wear hearing
protection during extended periods of operation.
■ DON'T ABUSE CORD. Never carry tool by cord
or yank it to disconnect from receptacle. Keep
cord from heat, oil, and sharp edges.
■ 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
balance at all times. Do not use while standing
on a ladder or unstable support. Secure tools
when working at elevated positions.
■ MAINTAIN TOOLS WITH CARE. Keep tools
sharp and clean for best and safest performance.
Follow instructions for lubricating and changing
accessories.
■ DISCONNECT TOOLS. When not in use, before
servicing, or when changing or adjusting sanding
belt, attachments, blades, bits, cutters, etc., all
tools should be disconnected from power supply.
■ REMOVE ADJUSTING KEYS AND
WRENCHES. Form habit of checking to see that
keys and adjusting wrenches are removed from
tool before turning it on.
■ AVOID ACCIDENTAL STARTING. Don't carry
plugged-in tool with finger on switch. Be sure
switch is off when plugging in.
■ 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. An undersized
cord will cause a drop in line voltage resulting in
loss of power and overheating. 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.
■ OUTDOOR USE EXTENSION CORDS. When
tool is used outdoors, use only extension cords
suitable for use outdoors. Outdoor approved
cords are marked with the suffix W-A, for example - SJTW-A or SJOW-A.
■ NEVER USE THIS OR ANY POWER SANDER
FOR WET SANDING. Failure to comply can
result in electrical shock causing serious injury or
worse.
■ KEEP HANDS AWAY FROM SANDING AREA.
■ NEVER USE IN AN EXPLOSIVE ATMO-
SPHERE. Normal sparking of the motor could
ignite fumes.
■ INSPECT TOOL CORDS PERIODICALLY and if
damaged, have repaired by authorized service
facility. Stay constantly aware of cord location
and keep it well away from the sanding area.
■ INSPECT EXTENSION CORDS PERIODI-
CALLY and replace if damaged.
■ KEEP HANDLES DRY, CLEAN, AND FREE
FROM OIL AND GREASE. Always use a clean
cloth when cleaning. Never use brake fluids,
gasoline, petroleum-based products, or any
strong solvents to clean your tool.
■ STAY ALERT AND EXERCISE CONTROL.
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.
■ DO NOT USE TOOL IF SWITCH DOES NOT
TURN IT ON AND OFF. Have defective switches
replaced by an authorized service center.
■ INSPECT FOR and remove all nails from lumber
before sanding.
4
RULES FOR SAFE OPERATION (Continued)
■ DO NOT operate this tool while under the
influence of drugs, alcohol, or any medication.
■ DO NOT USE THIS SANDER FOR OVERHEAD
SANDING. Overhead sanding could result in
dropping sander or loss of control. These situations could result in an accident resulting in
possible serious injury.
■ POLARIZED PLUGS. To reduce the risk of
electric shock, this tool has 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 the proper outlet. Do not change the plug
in any way.
■ WHEN SERVICING USE ONLY IDENTICAL
CRAFTSMAN REPLACEMENT PARTS.
■ 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 chemicallytreated 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.
Look for this symbol to point out important safety precautions. It means attention!!! Your
safety is involved.
WARNING:
WEAR
YOUR
SAFETY
FORESIGHT IS BETTER
GLASSES
THAN NO SIGHT
The operation of any belt sander 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, available at Sears Retail Stores.
SAVE THESE INSTRUCTIONS
5
PRODUCT SPECIFICATIONS
Input 6.0 Amperes
Rating 120 volts, 60 Hz, AC
No Load Speed 775 - 1,150 ft./min.
UNPACKING
Your belt sander has been shipped completely
assembled except for the sanding belt and dust bag.
Inspect it carefully to make sure no breakage or
damage has occurred during shipping. If any parts are
damaged or missing, contact your nearest Sears
Retail Store to obtain replacement parts before
attempting to operate sander. Loose parts in carton
will be a 3 in. x 21 in. sanding belt, dust bag and this
owner's manual.
FEATURES
KNOW YOUR BELT SANDER
See Figure 1.
Before attempting to use any tool, familiarize yourself
with all operating features and safety requirements.
Features include easily operated electronic variable
speed control dial; lock-on button; and dust bag for
dustless sanding.
SWITCH
To turn your sander ON, depress the switch trigger.
Release switch trigger to turn your sander OFF.
LOCK- ON BUTTON
The switch of your sander is equipped with a lock-on
feature which is convenient when operating for
extended periods of time. To lock-on, depress the
trigger, push in the lock button located on the side of
the handle, then while holding the lock button pushed
in, release the trigger. To release the lock, depress
the trigger and release.
Belt Size 3 in. x 21 in.
Overall Length 17 in.
Net Weight 8 lbs.
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.
ELECTRONIC VARIABLE SPEED CONTROL
Your belt sander has advanced electronic features,
designed to assist you in getting the maximum use
from your sander. By making proper speed selections,
your sander can be adjusted to specific sanding
needs.
VARIABLE SPEED
The variable speed control feature allows the sander
to develop a no load speed that can be adjusted from
775 to 1,150 ft./min. by rotating the dial from A to F.
The variable speed control dial is conveniently located
on the side of the motor housing near the operator's
hand.
DUST BAG
A dust bag is included with your sander to allow
dustless sanding. Its use will help keep the work area
clean.
6
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