Black & Decker DS321 User manual

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 create sparks which may ignite the dust or
fumes. Use in well ventilated areas only.
•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 insulation
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 inattention 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 clothing, jewelry, or long hair
can be caught in moving parts. Air vents cover moving parts and should be avoided.
•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 key that is
left attached 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 enables better control of the tool in unexpected situations.
•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. Holding 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 the power source before making any adjustments,
changing accessories, or storing the tool. Such preventative safety measures reduce
the risk of starting the tool accidentally.
•Store idle tools out of 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 tools 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.
Service
•Tool service must be performed only by qualified repair personnel. Service or
maintenance performed 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
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. (CCA)
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.
•Avoid prolonged contact with dust from power sanding, sawing, grinding, drilling, and
other construction activities. Wear protective clothing and wash exposed areas with
soap and water. Allowing dust to get into your mouth, eyes, or lay on the skin may promote
absorption of harmful chemicals.
WARNING: Use of this tool can generate and/or disburse dust, which may cause
serious and permanent respiratory or other injury. Always use NIOSH/OSHA approved
respiratory protection appropriate for the dust exposure. Direct particles away from face and
body.
CAUTION: Wear appropriate hearing protection during use. Under some conditions
and duration of use, noise from this product may contribute to hearing loss.
The label on your tool may include the following symbols.
V................volts A............amperes
Hz..............hertz W............watts
min ............minutes alternating current
..........direct current no..........no load speed
............Class II Construction ..........earthing terminal
..............safety alert symbol .../min ........revolutions or
reciprocations per minute
SAVE THIS MANUAL FOR FUTURE REFERENCE.
INSTRUCTION MANUAL
Catalog Number DS321
33
33'' '''' '' xx xx 22 2211 11'' '''' ''BB BBEE EELL LLTT TT SS SSAA AANN NNDD DDEE EERR RR
KEY
KEY INFORMA INFORMATION TION YOU YOU SHOULD SHOULD KNOW KNOW: :
• Always start your belt sander before it is in contact with the workpiece and
do not switch it off until after it has been lifted from the workpiece.
• Always hold your belt sander with two hands.
6
2
34
9
5
78
10
11A
about 7/64” (2.7mm) to
13/64” (5.1mm)

Operation
Using Your Belt Sander - Figure 8
Always hold belt sander firmly with both hands while sanding as shown in Figure 8. Note
that sander bail handle can be adjusted to three different positions as previously discussed.
Switch - Figure 9 & 10
To start your belt sander, depress the on/off switch as shown in Figure 9. To stop your belt
sander release the on/off switch. For continuous operation, depress the on/off switch then
depress the lock-on button (Figure 10) and release the on/off switch. To stop your belt
sander, depress the on/off switch to release the lock-on button. Release the on/off switch.
Handy Hints
• Always start your belt sander before it is in contact with the workpiece and do not switch it
off until after it has been lifted from the workpiece.
• Always hold your belt sander with two hands.
• Where possible, clamp the workpiece to a work bench or similar sturdy surface.
• Use the correct grit sanding belt for your application. The following is a suggested list of
belt grits to use with different materials.
MATERIAL BELTGRIT
Solid Wood 80
Veneer 150
Chipboard 60/80
Plastics 100
Steel 80 (remove dust bag)
Paint Removal 40/60
Balsa Wood 100
Acrylic 100
Tool Care And Maintenance
Never apply excessive force when you use your belt sander. Too much force can result in an
overload and cause damage to the motor or the workpiece. If your belt sander becomes too
hot, operate it without load for 2 minutes. Always keep the air cooling vents clear. To clean
your belt sander, proceed as follows:
WARNING: To prevent accidental operation, turn off and unplug sander before
performing the following operations. Failure to do this could result in serious
personal injury.
• Use a clean dry paint brush to clear vents and ducts.
• Clean the housings using a clean damp cloth (do not use solvents, gas or turpentine.)
IMPORTANT: To assure product SAFETY and RELIABILITY, repairs, maintenance and
adjustment should be performed by authorized service centers or other qualified service
personnel, always using identical replacement parts.
Safety Warnings and Instructions: Sanders
•ALWAYS WEAR EYE AND RESPIRATORY PROTECTION.
• Clean your tool out periodically.
Other Important Safety Warnings and Instructions
Sanding
Lead Base Paint
Sanding of lead based paint is NOT RECOMMENDED due to the difficulty of controlling the
contaminated dust. The greatest danger of lead poisoning is to children and pregnant women.
Since it is difficult to identify whether or not a paint contains lead without a chemical
analysis, we recommend the following precautions when sanding any paint:
Personal Safety
• No children or pregnant women should enter the work area where the paint sanding is
being done until all clean up is completed.
• A dust mask or respirator should be worn by all persons entering the work area. The filter
should be replaced daily or whenever the wearer has difficulty breathing.
NOTE: Only those dust masks suitable for working with lead paint dust and fumes should
be used. Ordinary painting masks do not offer this protection. See your local hardware
dealer for the proper (NIOSH approved) mask.
• NO EATING, DRINKING or SMOKING should be done in the work area to prevent
ingesting contaminated paint particles. Workers should wash and clean up BEFORE
eating, drinking or smoking. Articles of food, drink, or smoking should not be left in the work
area where dust would settle on them.
Environmental Safety
• Paint should be removed in such a manner as to minimize the amount of dust generated.
• Areas where paint removal is occurring should be sealed with plastic sheeting of 4 mils
thickness.
• Sanding should be done in a manner to reduce tracking of paint dust outside the work area.
Cleaning And Disposal
• All surfaces in the work area should be vacuumed and thoroughly cleaned daily for the
duration of the sanding project. Vacuum filter bags should be changed frequently.
• Plastic drop cloths should be gathered up and disposed of along with any dust chips or
other removal debris. They should be placed in sealed refuse receptacles and disposed of
through regular trash pick-up procedures. During clean up, children and pregnant women
should be kept away from the immediate work area.
• All toys, washable furniture and utensils used by children should be washed thoroughly
before being used again.
Motor
Be sure your power supply agrees with nameplate marking. 120 Volts AC only means your
tool will operate on standard 60 Hz household power. Do not operate AC tools on DC. A
rating of 120 volts AC/DC means that your tool will operate on standard 60 Hz AC or DC
power. This information is printed on the nameplate. Lower voltage will cause loss of power
and can result in over-heating. All Black & Decker tools are factory-tested; if this tool does
not operate, check the power supply.
Use of Extension Cords
Make sure the extension cord is in good condition before using. Always use the proper size
extension cords with the tool – that is, proper wire size for various lengths of cord and heavy
enough to carry the current the tool will draw. Use of an undersized cord will cause a drop in
line voltage resulting in loss of power and overheating. For proper size cords see chart
below.
SAVE THESE INSTRUCTIONS
Adjustments
WARNING: To prevent accidental operation, turn off and unplug sander before
performing the following operations. Failure to do this could result in serious
personal injury.
3 Position Handle - Figure 1 & 1A
A locking mechanism on the side of the handle can be loosened to allow the handle to
move. To adjust the handle, pull out on the locking arm (Figure 1) and move the handle to
the desired position (Figure 1A). Once the handle is in position, push the locking arm in to
lock the handle into position.
2 Position Belt Cover - Figure 2 & 3
The belt sander has an aluminum sanding belt cover at the front. When the handle is
positioned in the uppermost position, this cover can be raised as shown in Figure 2
(Arrow 1) and locked in this position to:
a.) Improve accessibility to narrow areas.
b.) Allow the use of the smaller diameter front roller to sand with (normally the aluminum
cover prevents this when in the “down” position).
c.) Expose the top part of the belt for more versatile sanding (Figure 3).
To lower the belt cover, grasp the flange on the side and move it slightly in the
direction shown in Figure 2 (Arrow 2) and return it to its closed position.
Note: The sanding belt cover cannot be locked in its raised position unless the bail handle is
in the uppermost position.
WARNING: The sanding belt is exposed when the belt cover is raised. Use extra
caution when operating in this mode.
Adjusting The Sanding Belt Tracking - Figure 4
Turn the machine upside down (Figure 4), hold it firmly with one hand, start motor and
release switch immediately after observing tracking of sanding belt. If abrasive belt runs
outward, turn tracking adjustment knob clockwise and counterclockwise if belt runs inward.
Belt life will be greatly increased by keeping the tracking adjustment set properly. To prevent
the sanding belt from rubbing against the sander housing, keep the edge of the belt about
7/64” (2.7mm) to 13/64” (5.1mm) from the housing as shown in figure 4.
Changing The Sanding Belt - Figure 5 & 6
WARNING: To prevent accidental operation, turn off and unplug sander before
changing the sanding belt.
Pull the lever shown in Figure 5 to release the tension on the sanding belt. Pull the sanding
belt from the two rollers. Put the new 3” x 21” (76 x 533mm) sanding belt in position on the
front and rear rollers (Figure 6). Ensure that the arrows on the sanding belt and on your belt
sander are pointing in the same direction. Push the lever to the rear to tension the sanding
belt.
Dust Collection - Figure 7
WARNING: To prevent accidental operation, turn off and unplug sander before
installing the dust bag.
When using your belt sander, dust and grit are produced. It is important to use a dust bag.
Connect the dust bag by sliding the plastic opening of the bag down over the dust exhaust
port of the sander as shown in Figure 7. To empty the dust bag, remove it from the sander
and unzip the bag over a trash container.
WARNING: Fire hazard. Collected sanding dust from sanding surface coatings
(polyurethane, linseed oil, etc.) can self-ignite in sander dust bag or elsewhere and
cause fire. To reduce risk, empty bag frequently and strictly follow sander manual and
coating manufacturer's instructions.
WARNING: Fire hazard. When working on metal surfaces, do not use the dust bag
or a vacuum cleaner because sparks are generated. Wear safety glasses and a dust
mask. Due to the danger of fire, do not use your belt sander to sand magnesium surfaces.
Do not use for wet sanding.
Minimum Gage for Cord Sets
Volts Total Length of Cord in Feet
120V 0-25 26-50 51-100 101-150
240V 0-50 51-100 101-200 201-300
Ampere Rating
More Not more American Wire Gage
Than Than
0-6 18 16 16 14
6 - 10 18 16 14 12
10 - 12 16 16 14 12
12 - 16 14 12 Not Recommended
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