Milwaukee 0490-20 Operator's Manual
Cat. No.
No de Cat.
0490-20
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
TO REDUCE THE RISK OF INJURY, USER MUST READ OPERATOR'S MANUAL.
AFIN DE RÉDUIRE LE RISQUE DE BLESSURES, L'UTILISATEUR DOIT LIRE LE
MANUEL DE L'UTILISATEUR.
PARA REDUCIR EL RIESGO DE LESIONES, EL USUARIO DEBE LEER EL MANUAL
DEL OPERADOR.
HEAVY-DUTY 4 V SCREWDRIVER
EXTRA ROBUSTES TOURNEVIS DE 4 V
ATORNILLADORES HEAVY-DUTY DE 4V
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WORK AREA SAFETY
ELECTRICAL SAFETY
PERSONAL SAFETY
WARNING
READ ALL INSTRUCTIONS
Failure to follow all instructions listed below may result in electric shock, fi re and/or
serious injury. The term "power tool" in all of the warnings listed below refers to your
mains-operated (corded) power tool or battery-operated (cordless) power tool.
SAVE THESE INSTRUCTIONS
GENERAL SAFETY RULES-FOR ALL BATTERY OPERATED TOOLS
1. Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
2. Do not operate power tools in ex-
plosive atmospheres, such as in the
presence of fl ammable liquids, gases,
or dust. Power tools create sparks which
may ignite the dust or fumes.
3. Keep children and bystanders away
while operating a power tool. Distractions can cause you to lose control.
4. 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.
Unmodifi ed plugs and matching outlets
will reduce risk of electric shock.
5. 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.
6. Do not expose power tools to rain or
wet conditions. Water entering a power
tool will increase the risk of electric
shock.
7. 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.
8. When operating a power tool out-
doors, use an extension cord suitable
for outdoor use. Use of a cord suitable
for outdoor use reduces the risk of electric shock.
9. Stay alert, watch what you are do-
ing and use common sense when
operating a power tool. Do not use
a power tool while you are tired or
under the infl uence of drugs, alcohol
or medication. A moment of inattention
while operating power tools may result
in serious personal injury.
10. Use safety equipment. Always wear
eye protection. Safety equipment such
as dust mask, non-skid safety shoes,
hard hat, or hearing protection used
for appropriate conditions will reduce
personal injuries.
11. Avoid accidental starting. Ensure the
switch is in the off-position before plugging in. Carrying tools with your fi nger on
the switch or plugging in power tools that
have the switch on invites accidents.
12. 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
personal injury.
13. Do not overreach. Keep proper foot-
ing and balance at all times. This
enables better control of the power tool
in unexpected situations.
14. Dress properly. Do not wear loose
clothing or jewellery. Keep your hair,
clothing and gloves away from moving
parts. Loose clothes, jewellery, or long
hair can be caught in moving parts.
15. If devices are provided for the connec-
tion of dust extraction and collection
facilities, ensure these are connected
and properly used. Use of these de-
vices can reduce dust-related hazards.
POWER TOOL USE AND CARE
16. 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.
17. 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.
18. Disconnect the plug from the power
source and/or the battery pack from
the power tool before making any
adjustments, changing accessories,
or storing power tools. Such preven-
tive safety measures reduce the risk of
starting the tool accidentally.
19. Store idle power tools out of the reach
of children and do not allow persons
unfamiliar with the power tools or
these instructions to operate power
tools. Power tools are dangerous in the
hands of untrained users.
20. Maintain power tools. 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.
21. Keep cutting tools sharp and clean.
Properly maintained cutting tools with
sharp cutting edges are less likely to
bind and are easier to control.
22. Use the power tool, accessories and
tool bits etc., in accordance with
these instructions and in the manner
intended for the particular type of
power tool, 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 hazardous situation.
SERVICE
28. Have your power tool serviced by a
qualifi ed repair person using only
identical replacement parts. This will
ensure that the safety of the power tool
is maintained.
23. Ensure the switch is in the off posi-
tion before inserting battery pack.
Inserting the battery pack into power
tools that have the switch on invites
accidents.
24. Recharge only with the charger speci-
fi ed by the manufacturer. A charger
that is suitable for one type of battery
pack may create a risk of fi re when used
with another battery pack.
BATTER Y T OOL USE AND CARE
25. Use power tools only with specifi cally
designated battery packs. Use of any
other battery packs may create a risk of
injury and fi re.
26. 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 fi re.
27. Under abusive conditions, liquid may
be ejected from the battery, avoid
contact. If contact accidentally occurs, fl ush with water. If liquid con-
tacts eyes, additionally seek medical
help. Liquid ejected from the battery
may cause irritation or burns.
1. Maintain labels and nameplates.
These carry important information.
If unreadable or missing, contact a
MILWAUKEE service facility for a free
replacement.
2. 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 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
fi lter out microscopic particles.
SPECIFIC SAFETY RULES
4 5
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FUNCTIONAL DESCRIPTION
Direct Current
Symbology
No Load Revolutions per Minute (RPM)
Specifi cations
Cat. No.
0490-20
Volts DC
4
No Load RPM
Low 200
High 600
3. Hold power tools by insulated grip-
ping surfaces when performing an
operation where the cutting tool may
contact hidden wiring or its own cord.
Contact with a “live” wire will make exposed metal parts of the tool “live” and
shock the operator.
4. Keep hands away from all cutting
edges and moving parts.
3
1
2
4
6
7
1. Bit holder collar
2. Clutch adjusting ring
3. Speed selector
4. Lock switch
5. Fuel Gauge
6. Battery
7. Forward/reverse switch
5
Underwriters Laboratories, Inc.,
United States and Canada
WARNING
ASSEMBLY
Always lock trigger or remove
battery before changing or removing
accessories. Only use accessories
specifi cally recommended for this
tool. Others may be hazardous.
WARNING
To reduce the risk of injury, wear
safety goggles or glasses with side
shields.
WARNING
Recharge only with the charger
specifi ed for the battery. For spe-
cifi c charging instructions, read the
operator’s manual supplied with
your charger and battery.
OPERATION
Installing Bits
Always remove the battery before inserting
or removing bits. Select the proper style and
size bit for the type of screw you are using.
1. To install the bit, pull out the collar.
Press the bit into the socket until the
collar snaps back and the bit is locked
into place.
2. To remove the bit, pull out the collar,
then pull out the bit.
NOTE: It is not necessary to hold the collar
out when installing and removing bits.
Adjusting the Handle
The handle is designed for convenience and
control. The durable, center pivot allows the
handle to be used in the conventional shape
or folded into a pistol grip. Access to the
forward/reverse switch and lock switch is
comfortable in either handle position.
Inserting the Battery into the Tool
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Fig. 2
1
Large slot
Large tab
Fig. 1
2
Arrow
Unlock
Lock
Line up the the large and small tabs on the
battery with the large and small slots in the
tool opening. Slide the battery all the way
into the tool. Turn the battery clockwise to
lock it in place. The arrow on the battery will
line up with the on the tool.
Removing the Battery from the Tool
Turn the battery cap counterclockwise to
unlock. The arrow on the battery will line
up with the on the tool. Pull the battery
out of the tool.
Checking the Fuel Gauge
To determine the amount of charge left
in the battery, press the forward/reverse
switch. The Fuel Gauge will light up for 2-3
seconds.
6 7
The torque specifi cations shown here are
approximate values obtained with a fully
charged battery pack.
* When set to high speed, set the clutch
at 13 or below. The Automatic Shut-Off
may not work at higher clutch settings
(see "Automatic Shut-Off").
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.
Fig. 3
(in. lbs.)
Lo
3.3
6.3
9.0
11.4
14.0
17.4
20.5
33.1
Hi
3.3
6.3
9.0
11.4
14.0
n/a*
n/a*
n/a*
Clutch
Setting
1
4
7
10
13
16
19
Drilling
Applications
Small screws in
softwood.
Medium screws in
softwood or small
screws in hardwood.
Large screws in
softwoods. Medium
screws in hardwood
or large screws in
hardwood with pilot
hole.
Using the Adjustable Clutch
This tool has an adjustable clutch for driving
different types of screws into different materials. When properly adjusted, the clutch will
slip at a preset torque to prevent driving the
screw too deep and to prevent damage to
the screw or tool.
T o adjust the clutch, turn the clutch adjusting
ring so that the desired setting (1-21) lines
up with the arrow on the motor housing, as
shown.
Using the Lock Switch
When the battery is installed, the tool is in
operating condition. The lock switch prevents
accidental starting by locking the forward/
reverse switch. Always set the lock switch
to “lock” before performing maintenance,
changing accessories, storing the tool and
any time the tool is not in use.
1. To lock, push the lock switch toward the
lock symbol.
2. To unlock, push the lock switchtoward
the unlock symbol.
Selecting High or Low Speed
Fig. 5
Unlock
Lock
1. For low speed (200 RPM) and more
torque, push the speed selector back
("1" is displayed).
2. For high speed (600 RPM) and less
torque, push the speed selector forward
("2" is displayed).
Fig. 6
Low = 1
High = 2
Fig. 4
Driving
Drilling
1
APPLICATIONS
Fig. 7
Selecting Forward or Reverse
Press and hold the forward/reverse switch
up for forward rotation, and down for reverse rotation. The switch will automatically
return to the center, OFF position when it
is released.
To reduce the risk of electric shock,
check work area for hidden pipes
and wires before drilling or driving
screws.
WARNING
This tool provides a quick, convenient
means of drilling small holes and installing
and removing screws. Because of the many
screw sizes, types, thread engagements and
materials available, it is diffi cult to limit the ap-
plication of this tool by screw size. However,
for applications in wood, a #6 wood screw
with a full pilot hole is recommended as a
practical limit.
Drilling in Wood, Composition Materials
and Plastic
Always use sharp bits. When using twist drill
bits, pull the bit out of the hole frequently to
clear chips from the bit fl 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.
Driving Screws
Drill a pilot hole when driving screws into
thick or hard materials. Set the clutch adjusting ring 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 firm pressure before pressing the
foward/reverse switch up. Screws can be
removed by pressing the foward/reverse
switch down.
Locking the Screwdriver Bit
When the forward/reverse switch is off, the
screwdriver bit automatically locks in place
allowing you to use the screwdriver manually. Do this to tighten screws that require
more torque than the driver is capable of
delivering, when confi rming the tightness
of a screw or when loosening an extremely
tight screw.
Forward
Reverse
Automatic Shut-Off
To prevent extra driving force after the selected torque has been reached, the tool will
automatically shut off if the clutch slips. At
higher clutch settings, this feature may not
immediately engage. Release the switch to
reset the automatic shut-off.
Cold Weather Operation
The MILWAUKEE Lithium-Ion batteries
can be used in temperatures down to -4°F.
When the battery is very cold, it may "buzz"
for the fi rst minute of use to warm itself up.
Put the battery on a tool and use the tool
in a light application. After about a minute,
the battery will have warmed itself up and
operate normally.
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WARNING
To reduce the risk of injury, always
unplug the charger and remove
the battery from the charger or
tool before performing any maintenance. Never disassemble the tool,
battery or charger. Contact a
MILWAUKEE service facility for ALL
repairs.
Keep your tool, battery and charger in
good repair by adopting a regular maintenance program. After six months to
one year, depending on use, return the
tool, battery and charger to a MILWAUKEE
service facility for:
• Lubrication
• Mechanical inspection and cleaning
(gears, spindles, bearings, housing,
etc.)
• Electrical inspection (battery pack,
charger, motor)
• Testing to assure proper mechanical and
electrical operation
Maintaining Tool
If the tool does not start or operate at full
power with a fully charged battery, clean the
contacts on the battery. If the tool still does
not work properly, return the tool, charger
and battery, to a MILWAUKEE service facil-
ity for repairs.
MAINTENANCE
WARNING
To reduce the risk of personal injury
and damage, never immerse your
tool, battery or charger in liquid or
allow a liquid to fl ow inside them.
Cleaning
Clean dust and debris from charger and tool
vents. Keep tool handles clean, dry and free
of oil or grease. Use only mild soap and a
damp cloth to clean the tool, battery and
charger 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 detergents containing ammonia.
Never use fl ammable or combustible sol-
vents around tools.
Repairs
For repairs, return the tool, battery and charger
to the nearest service center listed on the back
cover of this operator's manual.
ACCESSORIES
Always remove battery before changing or removing accessories. Only
use accessories specifi cally recom-
mended for this tool. Others may be
hazardous.
WARNING
For a complete listing of accessories refer to
your MILWAUKEE Electric T ool catalog or go
on-line to www.milwaukeetool.com. T o obtain
a catalog, contact your local distributor or a
service center listed on the back cover of this
operator’s manual.
4 Volt Battery
Cat. No. 48-11-0490
4 Volt Charger
Cat. No. 48-59-0490
FIVE YEAR TOOL LIMITED WARRANTY
Every MILWAUKEE electric power tool (including battery charger) is warranted to the original
purchaser only to be free from defects in material and workmanship. Subject to certain exceptions, MILWAUKEE will repair or replace any part on a electric power tool which, after examina-
tion, is determined by MILWAUKEE to be defective in material or workmanship for a period of
fi ve (5) years* after the date of purchase. Return the electric power tool and a copy of proof
of purchase to a MILWAUKEE factory Service/Sales Support Branch location or MILW AUKEE
Authorized Service Station, freight prepaid and insured, are requested for this warranty to be
effective. This warranty does not apply to damage that MILWAUKEE determines to be from
repairs made or attempted by anyone other than MILWAUKEE authorized personnel, misuse,
alterations, abuse, normal wear and tear, lack of maintenance, or accidents.
* The warranty period for Hoists (lever, hand chain, & electric chain hoists), all Ni-Cd battery
packs and Li-Ion battery packs below 18 volts, Work Lights (cordless fl ashlights), Job Site
Radios, and Trade Titan™ Industrial Work Carts is one (1) year from the date of purchase.
*There is a separate warranty for V™-technology Li-Ion Battery Packs 18 volts or above that
accompany the power tools:
*Every MILWAUKEE V™-technology Li-Ion Battery Pack 18 volts or above is covered by an
initial 1000 Charges/2 Years free replacement warranty. This means that for the earlier of
the fi rst 1000 charges or two (2) years from the date of purchase/fi rst charge, a replacement
battery will be provided to the customer for any defective battery free of charge. Thereafter,
customers will also receive an additional warranty on a pro rata basis up to the earlier of the
fi rst 2000 charges or fi ve (5) Years from the date of purchase/fi rst charge. This means that
every customer gets an additional 1000 charges or three (3) years of pro rata warranty on
the V™-technology Li-Ion Battery Pack 18 volts or above depending upon the amount of use.
During this additional warranty period, the customer pays for only the useable service received
over and above the fi rst 1000 Charges/2 years, based on the date of fi rst charge and number
of charges found on the battery pack via Milwaukee’s V™-technology Service Reader.
Warranty Registration is not necessary to obtain the applicable warranty on a MILWAUKEE
product. However, proof of purchase in the form of a sales receipt or other information deemed
suffi cient by MILWAUKEE, is requested.
ACCEPTANCE OF THE EXCLUSIVE REPAIR AND REPLACEMENT REMEDIES DESCRIBED HEREIN IS A CONDITION OF THE CONTRACT FOR THE PURCHASE OF
EVERY MILWAUKEE PRODUCT. IF YOU DO NOT AGREE TO THIS CONDITION, YOU
SHOULD NOT PURCHASE THE PRODUCT. IN NO EVENT SHALL MILWAUKEE BE LI-
ABLE FOR ANY INCIDENTAL, SPECIAL, CONSEQUENTIAL OR PUNITIVE DAMAGES,
OR FOR ANY COSTS, ATTORNEY FEES, EXPENSES, LOSSES OR DELAYS ALLEGED
TO BE AS A CONSEQUENCE OF ANY DAMAGE TO, FAILURE OF, OR DEFECT IN ANY
PRODUCT INCLUDING, BUT NOT LIMITED TO, ANY CLAIMS FOR LOSS OF PROFITS.
THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES OR CONDITIONS, WRITTEN OR ORAL, EXPRESSED OR IMPLIED. WITHOUT LIMITING THE
GENERALITY OF THE FOREGOING, MILWAUKEE DISCLAIMS ANY IMPLIED W ARRANTY
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE, AND ALL
OTHER WARRANTIES.
This warranty applies to product sold in the U.S.A., Canada and Mexico only.
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