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The variable speed switch enables you to start the application at a slow speed. The farther
you squeeze the trigger, the faster the tool will operate. For maximum tool life, use variable
speed only for starting holes or fasteners.
NOTE: Continuous use in variable speed range is not recommended. It may damage the
switch and should be avoided.
Forward/Reverse Control Button (Fig. 4)
A forward/reverse control button (B) determines the direction the chuck will spin and also
serves as a lock off button. The center position of the control button locks the tool in the off
position. When changing the position of the control button, be sure the trigger is released.
NOTE: The first time the tool is run after changing the direction of rotation, you may hear a
click on start up. This is normal and does not indicate a problem.
Two Position Screwdriver (Fig. 4)
To convert the tool to an angled screwdriver pull back on the release button (C) and rotate the
top portion of the tool as shown.
TWO POSITION SCREWDRIVER WARNINGS:
• To avoid being pinched, hold the screwdriver and keep hands away from the hinge when
changing positions.
• Do not use screwdriver as a pry bar in either position.
• To avoid screwdriver being turned on accidentally, put the Forward/Reverse switch in the
center, locked-off, position.
Torque Adjustment Collar (Fig. 5)
The torque adjustment collar (A) is marked with numbers and a drill bit symbol. The higher the
number on the collar, the higher the torque. To lock the clutch for drilling operations, move to
the drill bit position. Failure to do this will allow the clutch to slip while attempting to drill.
Quick Release Chuck (Fig. 5)
NOTE: The chuck accepts 1/4" hex accessories only.
To install a bit, insert the bit into the chuck until the clip locks it in place.
To remove a bit, pull the chuck (B) back. Remove the bit and release the chuck.
Operation as a Drill
Turn the collar to the drill bit symbol. Install the hex shank drill bit in the chuck. Follow these
instructions for best results when drilling.
DRILLING
1. Use D
EWALT hex shank drill bits only.
2. Be sure the material to be drilled is anchored or clamped firmly. If drilling thin material, use
a “back-up” block to prevent damage to the material.
3. Always apply pressure in a straight line with the bit. Use enough pressure to keep the drill bit
biting, but do not push hard enough to stall the motor or deflect the bit.
4. Hold tool firmly to control the twisting action of the drill.
5. IF TOOL STALLS, it is usually because it is being overloaded. RELEASE TRIGGER
IMMEDIATELY, remove drill bit from work, and determine cause of stalling. DO NOT CLICK
TRIGGER OFF AND ON IN AN ATTEMPT TO START A STALLED TOOL – THIS CAN
DAMAGE THE TOOL.
6. To minimize stalling or breaking through the material, reduce pressure on tool and ease the
bit through the last fractional part of the hole.
7. Keep the motor running when pulling the bit back out of a drilled hole. This will help prevent
jamming.
8. With variable speed drills there is no need to center punch the point to be drilled. Use a slow
speed to start the hole and accelerate by squeezing the trigger harder when the hole is deep
enough to drill without the bit skipping out. Operate at full on after starting the bit.
Operation as a Screwdriver
Insert the appropriate hex shank bit into the chuck. Make a few practice runs in scrap or
unseen areas to determine the proper position of the torque adjustment collar.
Maintenance
CLEANING: With the motor running, blow dirt and dust out of all air vents with dry air at least
once a week. Wear safety glasses when performing this task. Exterior plastic parts may be
cleaned with a damp cloth and mild detergent. Although these parts are solvent resistant, sol-
vents should not be used for cleaning.
CHARGER CLEANING INSTRUCTIONS:
WARNING: Disconnect the charger from the AC outlet before cleaning.
Dirt and grease may be removed from the exterior of the charger using a cloth or soft non-
metallic brush. Do not use water or any cleaning solutions.
Accessories
Recommended accessories for use with your tool are available for purchase from your local
service center.
The bit shown in Figure 6 is typical of the bits for use in the Quick Release Chuck with a
groove (A) which is required to hold the bit firmly.
CAUTION: The use of any non-recommended accessory may be hazardous.
If you need any assistance in locating any accessory, please contact D
EWALT Industrial Tool
Co., 701 East Joppa Road, Baltimore, MD 21286 or call 1-800-4-D
EWALT. (1-800-433-9258)
Maximum Recommended Capacity
BITS, DRILLING 1/8"
Important
To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustment should
be performed by certified service centers or other qualified service organizations, always
using identical replacement parts.
Full Warranty
D
EWALT heavy duty industrial tools are warranted for one year from date of purchase. We will
repair, without charge, any defects due to faulty materials or workmanship. For warranty repair
information, call 1-800-4-D
E
WALT. This warranty does not apply to accessories or damage
caused where repairs have been made or attempted by others. This warranty gives you specif-
ic legal rights and you may have other rights which vary in certain states or provinces.
In addition to the warranty, DEWALT tools are covered by our:
30 DAY NO RISK SATISFACTION GUARANTEE
If you are not completely satisfied with the performance of your D
EWALT heavy duty industrial
tool, simply return it to the participating seller within 30 days for a full refund. Please return the
complete unit, transportation prepaid. Proof of purchase may be required.
• To reduce risk of damage to electric plug and cord, pull by plug rather than cord when disconnecting
charger.
• Make sure cord is located so that it will not be stepped on, tripped over, or otherwise subjected to
damage or stress.
• An extension cord should not be used unless 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 AWG Size for Extension Cords
Total Extension Cord Length (feet)
25 50 75 100 125 150 175
Wire Gauge
18 18 16 16 14 14 12
• The charger is ventilated through slots in the top and the bottom of the housing. Do not place any
object on top of charger or place the charger on a soft surface that might block the ventilation slots
and result in excessive internal heat. Place the charger in a position away from any heat source.
• 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.
• To reduce risk of electric shock, unplug charger from outlet before attempting any cleaning.
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 (120 Volts AC). Do not
attempt to use it on any other voltage! This does not apply to vehicular charger.
Chargers
Your battery can be charged in DEWALT 1 Hour Chargers, 15 Minute Chargers or Vehicular 12
volt charger. Be sure to read all safety instructions before using your charger.
Consult chart on back cover for compatibility of chargers and battery packs.
Charging Procedure
1 HOUR CHARGERS
1. Plug the charger into an appropriate power outlet.
2. Insert the battery pack into the charger, as shown in FIG.1, making sure the pack is fully
seated in the charger. The red (charging) light will blink continuously indicating that the
charging process has started.
3. The battery pack will be fully charged in about 1 hour. The completion of charge will be indi-
cated by the red light remaining ON continuously. The pack is fully charged and may be
used at this time or left in the charger.
TROUBLE INDICATORS: These chargers are designed to detect certain problems that can
arise with battery packs which would be indicated by the red light flashing at a fast rate (and
continuous beeping for 15 Minute Chargers). If this occurs, re-insert battery pack. If 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 for
recycling. If the new battery pack elicits the same trouble indication as the original, have
charger tested at an authorized service center.
PROBLEM POWER LINE
If your charger has 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.
HOT PACK DELAY
If your charger has a Hot 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.
15 MINUTE CHARGERS
1. Plug the charger into an appropriate power outlet. The charger will beep twice, the red light
will blink and go off.
2. Insert the battery pack into the charger, as shown in FIG. 1, making sure the pack is fully
seated in the charger. The red light will blink and the charger will beep once indicating the
charging process has started.
3. The battery pack will be fully charged in less than 15 minutes under most conditions. This
will be indicated by the red light remaining ON and 3 beeps. The pack is fully charged and
may be used at this time or left in the charger.
WEAK BATTERY PACKS: The charger 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 sec-
onds 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.
ALL CHARGERS
Leaving the battery pack in the charger: When the red light remains ON, the charger has
switched to its "equalize charge" mode which lasts approximately 4 hours, after which the
charger will switch to "maintenance charge" mode. The battery pack can be removed at any
time during these charge cycles, but will only be fully charged if the red light is continuously
ON. The charger and battery pack can be left connected with the red light glowing indefinite-
ly. The charger will keep the battery pack fresh and fully charged. A battery pack will slowly
lose its charge when kept out of the charger. If the battery pack has not been kept on main-
tenance 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.
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.
3. If the battery pack does not charge properly — (1) Check current at receptacle by plugging in a
lamp or other appliance, (2) Check to see if receptacle is connected to a light switch which turns
power off when you turn out the lights. (3) Move charger and battery pack to a location where
the surrounding air temperature is approximately 65°F - 75°F (18°- 24°C). (4) If charging
problems persist, take or send 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 previously. 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. Do not immerse charger in water or any other liquid.
WARNING: Don't allow any liquid to get inside charger. Electric shock may result. To facili-
tate 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.
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.
Operation
READ ALL OF THE INSTRUCTIONS IN THE BATTERY CHARGER SECTION OF THIS
MANUAL BEFORE ATTEMPTING TO CHARGE THE BATTERY PACK FOR YOUR TOOL.
Always use correct battery pack (pack supplied with tool or replacement pack exactly like it.)
Never install any other battery pack. It will ruin your tool and may create a hazardous condi-
tion.
Variable Speed Switch (Fig. 4)
To turn the tool on, squeeze the trigger switch (A). To turn the tool off, release the trigger
switch. Your tool is equipped with a brake. The chuck will stop as soon as the trigger switch
is fully released.