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• Use extra caution when making a "Pocket Cut" into existing walls or other blind areas. The protruding blade
may cut objects that can cause kickback.
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 activi-
ties. 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.
WARNING: Always use eye protection. All users and bystanders must wear eye protection that conforms to ANSI Z87.1.
CAUTION: When not in use, place tool on its side on a stable surface where it will not cause a tripping or falling
hazard. Some tools with large battery packs will stand upright on the battery pack but may be easily knocked over.
CAUTION: Wear appropriate personal hearing protection during use. Under some conditions and duration of use,
noise from this product may contribute to hearing loss.
CAUTION: When sawing into walls, floors, or wherever "live" electrical wires may be encountered, do not touch any
metal parts of the tool! Hold the saw only by its plastic handles to prevent electric shock if you accidentally saw into a live
wire.
• The label on your tool may include the following symbols. The symbols and their definitions are as follows:
V ................volts
Hz................hertz
min..............minutes
..........direct current
..............Class II Construction
..............safety alert symbol
Important Safety Instructions for Battery Packs
Your tool uses an 18 Volt D
WALT battery pack. When ordering replacement battery packs, be sure to include catalog
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number and voltage: Extended Run-Time battery packs deliver 25% more run-time than standard battery packs.
NOTE: Your tool will accept either standard or Extended Run Time battery packs. However, be sure to select proper volt-
age. Batteries slowly lose their charge when they are not on the charger, the best place to keep your battery is on the
charger at all times.
The battery pack is not fully charged out of the carton. Before using the battery pack and charger, read the safety
instructions below. Then follow charging procedures outlined.
READ ALL INSTRUCTIONS
• Do not incinerate the battery pack even if it is severely damaged or is completely worn out. The battery pack
can explode in a fire.
• A small leakage of liquid from the battery pack cells may occur under extreme usage or temperature conditions.
This does not indicate a failure. However, if the outer seal is broken and this leakage gets on your skin:
a. Wash quickly with soap and water.
b. Neutralize with a mild acid such as lemon juice or vinegar.
c. If battery liquid gets into your eyes, flush them with clean water for a minimum of 10 minutes and seek immediate
medical attention. (Medical Note: The liquid is 25–35% solution of potassium hydroxide.)
• Charge the battery packs only in D
WALT chargers.
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• DO NOT splash or immerse in water or other liquids.
• Do not store or use the tool and battery pack in locations where the temperature may reach or exceed 105°F
(40˚C) (such as outside sheds or metal buildings in summer).
DANGER: Never attempt to open the battery pack for any reason. If battery pack case is cracked or damaged, do not insert
into charger. Electric shock or electrocution may result. Damaged battery packs should be returned to service center for recy-
cling.
NOTE: Battery storage and carrying caps are provided for use wheneverthe battery is out of the tool or
charger. Remove cap before placing battery in charger or tool.
WARNING: Do not store or carry battery so that metal objects can contact exposed battery terminals.
For example, do not place battery in aprons, pockets, tool boxes, product kit boxes, drawers, etc. with loose
nails, screws, keys, etc. without battery cap. Without cap in place, battery could short circuit causing fire or
burns or damage to battery.
CAUTION: Battery pack must be securely attached to tool. If battery pack is detached, personal injury may result.
The RBRC™ Seal
The RBRC™ (Rechargeable Battery Recycling Corporation) Seal on the nickel-cadmium battery (or battery
pack) indicates that the costs to recycle the battery (or battery pack) at the end of its useful life have
already been paid by D
WALT. In some areas, it is illegal to place spent nickel-cadmium batteries in the
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trash or municipal solid waste stream and the RBRC program provides an environmentally conscious
alternative.
RBRC™ in cooperation with D
WALT and other battery users, has established programs in the United States to facilitate
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the collection of spent nickel-cadmium batteries. Help protect our environment and conserve natural resources by
returning the spent nickel-cadmium battery to an authorized D
You may also contact your local recycling center for information on where to drop off the spent battery.
RBRC™ is a registered trademark of the Rechargeable Battery Recycling Corporation.
Important Safety Instructions for Battery Chargers
SAVE THESE INSTRUCTIONS: This manual contains important safety instructions for battery chargers.
• Before using charger, read all instructions and cautionary markings on charger, battery pack, and product using bat-
tery pack.
DANGER: 240 volts are present at charging terminals. Do not probe with conductive objects. Electric shock or electro-
cution may result.
WARNING: Do not allow any liquid to get inside charger. Electric shock may result.
CAUTION: To reduce the risk of injury, charge only D
ies may burst causing personal injury and damage.
CAUTION: Under certain conditions, with the charger plugged in to the power supply, the exposed charging contacts
inside the charger can be shorted by foreign material. Foreign materials of a conductive nature such as, but not limited
to, steel wool, aluminum foil, or any buildup of metallic particles should be kept away from charger cavities. Always
unplug the charger from the power supply when there is no battery pack in the cavity. Unplug charger before attempting
to clean.
• DO NOT attempt to charge the battery pack with any chargers other than the ones in this manual. The charger
and battery pack are specifically designed to work together.
• These chargers are not intended for any uses other than charging D
uses may result in risk of fire, electric shock or electrocution.
• Do not expose charger to rain or snow.
• Pull by plug rather than cord when disconnecting charger. This will reduce risk of damage to electric plug and
cord.
• Make sure that cord is located so that it will not be stepped on, tripped over, or otherwise subjected to damage
or stress.
• Do not use an extension cord unless it is absolutely necessary. Use of improper extension cord could result in risk
of fire, electric shock, or electrocution.
• An extension cord must have adequate wire size (AWG or American Wire Gauge) for safety. The smaller the
gauge number of the wire, the greater the capacity of the cable, that is 16 gauge has more capacity than 18 gauge.
When using more than one extension to make up the total length, be sure each individual extension contains at least
the minimum wire size.
Recommended Minimum Wire Size for Extension Cords
Total Length of Cord
25 ft.
50 ft.
75 ft.
100 ft.
7.6 m
15.2 m
22.9 m
30.5 m
Wire Size AWG
18
18
16
16
• Do not place any object on top of charger or place the charger on a soft surface that might block the ventila-
tion slots and result in excessive internal heat. Place the charger in a position away from any heat source. The
charger is ventilated through slots in the top and the bottom of the housing.
• Do not operate charger with damaged cord or plug — have them replaced immediately.
• Do not operate charger if it has received a sharp blow, been dropped, or otherwise damaged in any way. Take it
to an authorized service center.
• Do not disassemble charger; take it to an authorized service center when service or repair is required.
Incorrect reassembly may result in a risk of electric shock, electrocution or fire.
A ..............amperes
W ..............watts
..........alternating current
n o..............no load speed
............earthing terminal
.../min........revolutions per minute
WALT service center or to your local retailer for recycling.
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WALT nickel cadmium rechargeable batteries. Other types of batter-
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WALT rechargeable batteries. Any other
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125 ft.
150 ft.
175 ft.
38.1 m
45.7 m
53.3 m
14
14
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• Disconnect the charger from the outlet before attempting any cleaning. This will reduce the risk of electric
shock. Removing the battery pack will not reduce this risk.
• NEVER attempt to connect 2 chargers together.
• The charger is designed to operate on standard household electrical power (240 Volts). Do not attempt to use
it on any other voltage. This does not apply to the vehicular charger.
Using Automatic Tune-Up™ Mode
The Automatic Tune-Up™ Mode equalizes or balances the individual cells in the battery pack allowing it to function at
peak capacity. Battery packs should be tuned up weekly or after 10 charge/discharge cycles or whenever the pack no
longer delivers the same amount of work. To use the Automatic Tune-Up™, place the battery pack in the charger and
leave it for at least 8 hours. The charger will cycle through the following modes.
1. The red light will blink continuously indicating that the 1-hour charge cycle has started.
2. When the 1-hour charge cycle is complete, the light will stay on continuously and will no longer blink. This indi-
cates that the pack is fully charged and can be used at this time.
3. Whenever the pack is left in the charger after the initial 1-hour charge, the charger will begin the Automatic Tune-
Up™ Mode. This mode continues up to 8 hours or until the individual cells in the battery pack are equalized. The bat-
tery pack is ready for use and can be removed at any time during the Tune-Up™ Mode.
4. Once the Automatic Tune-Up™ Mode is complete the charger will transition to a maintenance charge; the indicator
light shuts off when the automatic Tune-Up™ Mode is complete.
SAVE THESE INSTRUCTIONS FOR FUTURE USE
Chargers
Your tool uses a 18.0 Volt D
WALT Charger. Your battery can be
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charged in D
WALT 1 Hour Chargers, 15 Minute Chargers or
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Vehicular 12 volt charger. Be sure to read all safety instructions
before using your charger. Consult the chart on the back cover of
this manual for compatibility of chargers and battery packs.
Charging Procedure (Fig. 1)
DANGER: 240 volts are present at charging terminals. Do not probe with conductive objects. Electric shock or electro-
cution may result.
1. Plug the charger into an appropriate outlet.
2. Insert the battery pack into the charger. The red (charging) light will blink continuously indicating that the charging
process has started.
3. The completion of charge will be indicated by the red light remaining ON continuously. The pack is fully charged
and may be used at this time or left in the charger.
Indicator Light Operation
PACK CHARGING...................
FULLY CHARGED...................
HOT/COLD PACK DELAY........
REPLACE PACK......................
PROBLEM POWER LINE........
Charge Indicators
Some chargers are designed to detect certain problems that can arise with battery packs. Problems are indicated by the red
light flashing at a fast rate. If this occurs, reinsert battery pack into the charger. If the problem persists, try a different battery
pack to determine if the charger is OK. If the new pack charges correctly, then the original pack is defective and should be
returned to a service center or other collection site for recycling. If the new battery pack elicits the same trouble indication as
the original, have the charger tested at an authorized service center.
HOT/COLD PACK DELAY
Some chargers have a Hot/Cold Pack Delay feature: when the charger detects a battery that is hot, it automatically
starts a Hot Pack Delay, suspending charging until the battery has cooled. After the battery has cooled, the charger
automatically switches to the Pack Charging mode. This feature ensures maximum battery life. The red light flashes
long, then short while in the Hot Pack Delay mode.
PROBLEM POWER LINE
Some chargers have a Problem Power Line indicator. When the charger is used with some portable power sources such as
generators or sources that convert DC to AC, the charger may temporarily suspend operation, flashing the red light with two
fast blinks followed by a pause. This indicates the power source is out of limits.
LEAVING THE BATTERY PACK IN THE CHARGER
The charger and battery pack can be left connected with the red light glowing indefinitely. The charger will keep the bat-
tery pack fresh and fully charged.
NOTE: A battery pack will slowly lose its charge when kept out of the charger. If the battery pack has not been kept on
maintenance charge, it may need to be recharged before use. A battery pack may also slowly lose its charge if left in a
charger that is not plugged into an appropriate AC source.
WEAK BATTERY PACKS: Chargers can also detect a weak battery. Such batteries are still usable but should not be
expected to perform as much work. In such cases, about 10 seconds after battery insertion, the charger will beep
rapidly 8 times to indicate a weak battery condition. The charger will then go on to charge the battery to the highest
capacity possible.
Important Charging Notes
1. Longest life and best performance can be obtained if the battery pack is charged when the air temperature is
between 65°F and 75°F (18°- 24°C). DO NOT charge the battery pack in an air temperature below +40°F (+4.5°C),
or above +105°F (+40.5°C). This is important and will prevent serious damage to the battery pack.
2. The charger and battery pack may become warm to touch while charging. This is a normal condition, and does not
indicate a problem. To facilitate the cooling of the battery pack after use, avoid placing the charger or battery pack
in a warm environment such as in a metal shed, or an uninsulated trailer.
3. If the battery pack does not charge properly:
a. Check current at receptacle by plugging in a lamp or other appliance
b. Check to see if receptacle is connected to a light switch which turns power off when you turn out the lights.
c. Move charger and battery pack to a location where the surrounding air temperature is approximately 65°F - 75°F
(18° - 24°C).
d. If charging problems persist, take the tool, battery pack and charger to your local service center.
4. The battery pack should be recharged when it fails to produce sufficient power on jobs which were easily done pre-
viously. DO NOT CONTINUE to use under these conditions. Follow the charging procedure. You may also charge a
partially used pack whenever you desire with no adverse affect on the battery pack.
5. Under certain conditions, with the charger plugged into the power supply, the exposed charging contacts inside the
charger can be shorted by foreign material. Foreign materials of a conductive nature such as, but not limited to, steel
wool, aluminum foil, or any buildup of metallic particles should be kept away from charger cavities. Always unplug the
charger from the power supply when there is no battery pack in the cavity. Unplug charger before attempting to clean.
6. Do not freeze or immerse charger in water or any other liquid.
WARNING: Don't allow any liquid to get inside charger. Electric shock may result.
CAUTION: Never attempt to open the battery pack for any reason. If the plastic housing of the battery pack breaks or cracks,
return to a service center for recycling.
FIG. 2
Installing and Removing the Battery Pack (Fig. 2)
NOTE: Make sure your battery pack is fully charged.
CAUTION: Make certain the switch lock-off button (A) is engaged to prevent switch actuation before removing or
installing battery.
To install the battery pack into the tool handle, align the base of the tool with the notch inside the tool's handle and
slide the battery pack firmly into the handle until you hear the lock snap into place.
To remove the battery pack from the tool, press the release buttons and firmly pull the battery pack out of the tool han-
dle. Insert it into the charger as described in the charger manual.
OPERATION
Switch
Release switch lock-off button (A) by pressing button as shown (Fig. 3). Pull the trigger switch (B) to turn the motor ON.
Releasing the trigger switch turns the motor OFF. Releasing the trigger switch also automatically actuates lock-off button.
FIG. 1
A
FIG. 3
B
M
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