Milwaukee 2503-20, 2504-20 Operator's Manual
Cat. No. / No de cat.
2503-20, 2504-20
M12™ FUEL™ 1/2" DRILL/DRIVER, 1/2" HAMMER DRILL/DRIVER
PERCEUSE/TOURNEVIS 13 mm (1/2") ET PERCEUSE À
PERCUSSION/TOURNEVIS 13 mm (1/2") M12™ FUEL™
TALADRO/DESTORNILLADOR 13 mm (1/2") Y TALADRO
PERCUTOR/DESTORNILLADOR 13 mm (1/2") M12™ FUEL™
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
WARNING To reduce the risk of injury, user must read and understand operator's manual.
AVERTISSEMENT An de réduire le risque de blessures, l'utilisateur doit lire et bien
comprendre le manuel.
ADVERTENCIA Para reducir el riesgo de lesiones, el usuario debe leer y entender el manual.
2
GENERAL POWER TOOL
SAFETY WARNINGS
WARNING
Read all safety warnings, instructions, illustrations and specica-
tions 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-oper-
ated (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 atmo-
spheres, 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. Un-
modied 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 ex-
tension 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 an 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 energizing 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 per-
sonal injury.
• Do not overreach. Keep proper footing and balance
at all times. This enables better 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 col-
lection 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. Pow-
er 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 hazard-
ous 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.
BATTERY TOOL USE AND CARE
• Recharge only with the charger specied by the
manufacturer. A charger that is suitable for one type
of battery pack may create a risk of re when used with
another battery pack.
• Use power tools only with specically designated
battery packs. Use of any other battery packs may
create a risk of injury and re.
• When battery pack is not in use, keep it away from
other metal objects, like paper clips, coins, keys,
nails, screws or other small metal objects, that can
make a connection from one terminal to another.
Shorting the battery terminals together may cause
burns or a re.
• Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact accidentally occurs, ush with water. If liquid con-
3
tacts eyes, additionally seek medical help. Liquid
ejected from the battery may cause irritation or burns.
• Do not use a battery pack or tool that is damaged or
modied. Damaged or modied batteries may exhibit
unpredictable behavior resulting in re, explosion or
risk of injury.
• Do not expose a battery pack or tool to re or excessive temperature. Exposure to re or temperature
above 265°F (130°C) may cause explosion.
• Follow all charging instructions and do not charge
the battery pack or tool outside the temperature
range specied in the instructions. Charging im-
properly or at temperatures outside the specied range
may damage the battery and increase the risk of re.
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.
• Never service damaged battery packs. Service of
battery packs should only be performed by the manu-
facturer or authorized service providers.
SPECIFIC SAFETY RULES FOR
DRILL/DRIVER
Hammer Drill/Drivers and Drill/Drivers-
• Wear ear protectors when impact drilling. Exposure
to noise can cause hearing loss.
• Use auxiliary handle(s), if supplied with the tool.
Loss of control can cause personal injury.
• Hold power tool by insulated gripping surfaces,
when performing an operation where the cutting
accessory may contact hidden wiring. Cutting
accessory contacting a “live” wire may make exposed
metal parts of the power tool “live” and could give the
operator an electric shock.
Drivers-
• Hold power tool by insulated gripping surfaces,
when performing an operation where the fastener
may contact hidden wiring. Fasteners contacting a
“live” wire may make exposed metal parts of the power
tool “live” and could give the operator an electric shock.
• Maintain labels and nameplates. These carry im-
portant information. If unreadable or missing, contact
a MILWAUKEE service facility for a free replacement.
•
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 paint
• 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.
SYMBOLOGY
Volts
Direct Current
No Load Revolutions per Minute (RPM)
Blows per Minute Under Load (BPM)
C
US
UL Listing for Canada and U.S.
SPECIFICATIONS
Volts .............................................................. 12 DC
Battery Type .................................................M12™
Charger Type ................................................M12™
Recommended Ambient
Operating Temperature ...................... 0°F to 125°F
Capacities
Steel ...............................................................1/2"
Wood
Flat Bit .....................................................1-1/8"
Auger Bit ........................................................ 1"
Hole Saw .................................................1-3/4"
Screws (dia.)............................................... 3/8"
Masonary (2504-20 only)................................ 3/8"
Cat. No. ..................................................... 2503-20
No Load RPM ...................LO 0 - 450, HI 0 - 1700
Cat. No. ..................................................... 2504-20
No Load RPM ...................LO 0 - 450, HI 0 - 1700
No Load BPM ...............LO 0 - 6750, HI 0 - 25,500
FUNCTIONAL DESCRIPTION
1. Keyless chuck
2. Torque selector collar
3. Speed selector
4. Belt hook
5. Fuel gauge
6. Handle
7. Trigger
8. Control Switch
9 LED
1
2
5
3
4
8
9
7
6
ASSEMBLY
WARNING
Recharge only with the charger
specied for the battery. For specic charging instructions, read the operator’s
manual supplied with your charger and battery.
Removing/Inserting the Battery
To remove the battery, push in the release buttons
and pull the battery pack away from the tool.
WARNING
Always remove battery pack before
changing or removing accessories.
To insert the battery, slide the pack into the body
of the tool. Make sure it latches securely into place.
WARNING
Only use accessories specically
recommended for this tool. Others
may be hazardous.
4
2. To use the drilling only mode,
rotate the torque selector collar
until the drill symbol
appears
in line with the arrow.
3. To use the driving screws mode
rotate torque selector collar until
the desired clutch setting appears
in line with the arrow.
The adjustable clutch, when prop-
erly adjusted, will slip at a preset
torque to prevent driving the screw
too deep into different materials
and to prevent damage to the screw or tool.
The torque specications shown here are approximate
values obtained with a fully charged battery pack.
TORQUE SPECIFICATIONS
Clutch
Setting
in. lbs Applications
1-4
5-8
9-12
13-17
18-25
27-31
33-38
40-47
Small screws in softwood.
Medium screws in softwood
or small screws in hardwood.
NOTE: Because the settings shown in the table are
only a guide, use a piece of scrap material to test
the different clutch settings before driving screws
into the workpiece.
Selecting Speed
The speed selector is on top of the motor housing.
Allow the tool to come to a complete stop before
changing speeds. See “Applications” for recommended speeds under various conditions.
1. For Low speed, push the
speed selector to display
“1”.
2. For High speed, push the
speed selector to display
“2”.
Using the Control Switch
The control switch may be set to three positions:
forward, reverse and lock. Due to a lockout mechanism, the control switch can only be adjusted when
the ON/OFF switch is not pressed. Always allow the
motor to come to a complete stop before using the
control switch.
1. For forward (clockwise)
Reverse
LOCK
Push to CENTER
Forward
rotation, push in the con-
trol switch from the right
side of the tool. Check the
direction of rotation be-
fore use.
2. For reverse (counter-
clockwise) rotation, push in the control switch
from the left side of the tool. Check direction of
rotation before use.
3. To lock the trigger, push the control switch to the
center position. The trigger will not work while the
control switch is in the center locked position.
Always remove the battery pack before performing
maintenance or changing accessories. Always
lock the trigger or remove the battery pack before
storing the tool and any time the tool is not in use.
OPERATION
WARNING
Always remove battery pack before
changing or removing accesso-
ries. Only use accessories specically recommended for this tool. Others may be hazardous.
To reduce the risk of injury, wear safety goggles
or glasses with side shields.
Fuel Gauge
To determine the amount of charge left in the bat-
tery, pull the trigger. The Fuel Gauge will light up for
2-3 seconds.
To signal the end of charge, 1 light on the fuel gauge
will ash for 2-3 seconds.
Installing Bits
Always remove the battery before inserting or remov-
ing bits. Select the proper style and size bit for the job.
This tool is equipped with a spindle lock. The chuck
can be tightened with one hand, creating higher grip
strengths on the bit.
1. To open the chuck jaws, turn the sleeve in the
counterclockwise direction.
When using drill bits, allow the bit to strike the
bottom of the chuck. Center the bit in the chuck
jaws and lift it about 1/16” off of the bottom.
When using screwdriver bits, insert the bit far
enough for the chuck jaws to grip the hex of the bit.
2. To close the chuck jaws, turn the sleeve in the
clockwise direction. The bit is secure when the
chuck makes a ratcheting sound and the sleeve
can not be rotated any further.
3. To remove the bit, turn the sleeve in the counterclockwise direction.
NOTE: A ratcheting sound may be heard when the
chuck is opened or closed. This noise is part of the
locking feature, and does not indicate a problem with
the chuck’s operation.
Selecting Drill or Drive Action
(Cat. No. 2503-20)
1. To use the drilling mode, rotate
the torque selector collar until the
drill symbol
appears in line
with the arrow.
2. To use the driving mode rotate
the torque selector collar until the
desired clutch setting appears in
line with the arrow.
The adjustable clutch, when properly
adjusted, will slip at a preset torque
to prevent driving the screw too
deep into different materials and to
prevent damage to the screw or
tool.
Selecting Hammer, Drill or Drive Action
(Cat. No. 2504-20)
1. To use the hammer-drilling
mode, rotate the torque selector
collar until the hammer symbol
appears in line with the arrow. Apply pressure to the bit to engage
the hammering mechanism.
NOTE: When using carbide bits,
do not use water to settle dust. Do
not attempt to drill through steel reinforcing rods.
This will damage the carbide bits.
5
Starting, Stopping and Controlling Speed
1. To start the tool, grasp the handle rmly and pull the
trigger.
NOTE: An LED is turned on when the trigger is pulled.
2. To vary the speed, increase or decrease the pres
-
sure on the trigger. The further the trigger is pulled,
the greater the speed.
3. To stop the tool, release the trigger. Make sure the
bit comes to a complete stop before laying the tool
down.
Battery Pack Protection
To protect the battery from damage and extend its
life, the tool’s intelligent circuit monitors current draw,
temperature, and voltage drops.
In extremely high torque, binding, stalling, and short
circuit situations that cause high current draw, the fuel
gauge will ash, and then the tool will turn OFF. To
reset, release the trigger.
Under extreme circumstances, the internal temperature
of the battery could become too high. If this happens,
the fuel gauge will ash and the battery pack will shut
off. Let the battery pack cool and then continue work.
APPLICATIONS
WARNING
To reduce the risk of electric shock,
check work area for hidden pipes
and wires before drilling or driving screws.
Drilling in Wood, Composition Materials
and Plastic
When drilling in wood, composition materials and
plastic, select the
drill-only operating mode. Start
the drill slowly, gradually increasing speed as you drill.
When drilling into wood, use wood augers or twist drill
bits. Always use sharp bits. When using twist drill bits,
pull the bit out of the hole frequently to clear chips from
the bit utes. To reduce the chance of splintering, back
work with a piece of scrap wood. Select low speeds for
plastics with a low melting point.
Drilling in Metal
When drilling in metal, select the
drill-only oper-
ating mode. Use high speed steel twist drills or hole
saws. Use a center punch to start the hole. Lubricate
drill bits with cutting oil when drilling in iron or steel. Use
a coolant when drilling in nonferrous metals such as
copper, brass or aluminum. Back the material to prevent
binding and distortion on breakthrough.
Drilling in Masonry
When drilling in masonry, select the hammer drill
operating mode. Use high speed carbide-tipped bits.
Drilling soft masonry materials such as cinder block
requires little pressure. Hard materials like concrete
require more pressure. A smooth, even ow of dust
indicates the proper drilling rate. Do not let the bit spin
in the hole without cutting. Do not use water to settle
dust or to cool bit. Both actions will damage the carbide.
Driving Screws and Nut Running
Drill a pilot hole when driving screws into thick or hard
materials. Set the torque selector collar to the proper
position and set the speed to low. Use the proper style
and size screwdriver bit for the type of screw you are
using. With the screwdriver bit in the screw, place the tip
of the screw on the workpiece and apply rm pressure
before pulling the trigger. Screws can be removed by
reversing the motor.
Overloading
Continuous overloading may cause permanent damage
to tool or battery pack.
MAINTENANCE
WARNING
To reduce the risk of injury, always
unplug the charger and remove the
battery pack from the charger or tool before
performing any maintenance. Never disassemble
the tool, battery pack or charger. Contact a
MILWAUKEE service facility for ALL repairs.
Maintaining Tool
Keep your tool, battery pack and charger in good
repair by adopting a regular maintenance program.
Inspect your tool for issues such as undue noise,
misalignment or binding of moving parts, breakage of
parts, or any other condition that may affect the tool
operation. Return the tool, battery pack, and charger
to a MILWAUKEE service facility for repair. After six
months to one year, depending on use, return the
tool, battery pack and charger to a MILWAUKEE
service facility for inspection.
If the tool does not start or operate at full power with
a fully charged battery pack, clean the contacts on
the battery pack. If the tool still does not work properly, return the tool, charger and battery pack, to a
MILWAUKEE service facility for repairs.
WARNING
To reduce the risk of personal injury and damage, never immerse
your tool, battery pack or charger in liquid or
allow a liquid to ow inside them.
Cleaning
Clean dust and debris from vents. Keep handles
clean, dry and free of oil or grease. Use only mild
soap and a damp cloth to clean, since certain cleaning agents and solvents are harmful to plastics and
other insulated parts. Some of these include gasoline,
turpentine, lacquer thinner, paint thinner, chlorinated
cleaning solvents, ammonia and household deter-
gents containing ammonia. Never use ammable or
combustible solvents around tools.
Repairs
For repairs, return the tool, battery pack and charger
to the nearest service center.
ACCESSORIES
WARNING
Use only recommended accesso-
ries. Others may be hazardous.
For a complete listing of accessories, go online to
www.milwaukeetool.com or contact a distributor.
SERVICE - UNITED STATES
1-800-SAWDUST (1.800.729.3878)
Monday-Friday, 7:00 AM - 6:30 PM CST
or visit www.milwaukeetool.com
Contact Corporate After Sales Service Technical
Support with technical, service/repair, or warranty
questions.
Email: metproductsupport@milwaukeetool.com
Become a Heavy Duty Club Member at
www.milwaukeetool.com to receive important
notications regarding your tool purchases.
SERVICE - CANADA
Milwaukee Tool (Canada) Ltd
1.800.268.4015
Monday-Friday, 7:00 AM - 4:30 PM CST
or visit www.milwaukeetool.ca
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