Milwaukee M4 Operator's Manual
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
Cat. No. / No de cat.
2101-20
M4™ CORDLESS SCREWDRIVER
TOURNEVIS DE M4™
ATORNILLADORES DE M4™
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.
GENERAL POWER TOOL
WARNING
SAFETY WARNINGS
Read all safety warnings, instruc-
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.
tions, illustrations and specica-
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 operat-
ing 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. Unmodied 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
extension 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 o-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 personal 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 collection 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 o. 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. Power 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 aect 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 dierent from those intended could
result in a hazardous 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
2
to another. Shorting the battery terminals together
WARNING
WARNING
C
US
WARNING
may cause burns or a re.
• Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid
contacts 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 tem-
perature 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
improperly 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
manufacturer or authorized service providers.
SPECIFIC SAFETY RULES FOR
CORDLESS SCREWDRIVER
• 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.
• Keep hands away from all cutting edges and
moving parts.
•
appropriate respiratory protection or use an
OSHA compliant dust extraction solution.
• Always use common sense and be cautious when
using tools. It is not possible to anticipate every
situation that could result in a dangerous outcome.
Do not use this tool if you do not understand these
operating instructions or you feel the work is beyond
your capability; contact Milwaukee Tool or a trained
professional for additional information or training.
• Maintain labels and nameplates. These carry im-
portant information. If unreadable or missing, contact
a MILWAUKEE service facility for a free replacement.
•
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 lum-
ber.
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.
To reduce the risk of injury, when
working in dusty situations, wear
Some dust created by power sanding,
sawing, grinding, drilling, and other
SYMBOLOGY
Volts
Direct Current
No Load Revolutions per Minute (RPM)
UL Listing for Canada and U.S.
SPECIFICATIONS
Cat. No. ..................................................... 2101-20
Volts ................................................................ 4 DC
No Load RPM ...........................Low 200 High 600
Battery Type ...................................................M4™
Charger Type ..................................................M4™
Recommended Ambient
Operating Temperature ......................0°F to 125°F
FUNCTIONAL DESCRIPTION
2
1
1. Bit holder collar
2. Clutch adjusting ring
3. Speed selector
4. Lock switch
5. Fuel Gauge
6. Handle
7. Forward/reverse switch
3
4
5
7
ASSEMBLY
Recharge only with the charger
cic charging instructions, read the operator’s
manual supplied with your charger and battery.
specied for the battery. For spe-
Inserting the Battery into the Tool
Slot
Tab
1
Lock
2
Line
Line up the tabs on the battery with the slots in the
tool opening. Slide the battery all the way into the
tool. Turn the battery clockwise to lock it in place.
The line on the battery will line up with the on the
tool. The tool will not run if the battery is not properly
locked into the tool.
3
6
WARNING
Removing the Battery from the Tool
WARNING
WARNING
Turn the battery cap counterclockwise to unlock. Pull
the battery out of the tool.
Always remove battery pack before
changing or removing accessories.
Only use accessories specically recommended
for this tool. Others may be hazardous.
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.
OPERATION
To reduce the risk of injury, always
to comply with ANSI Z87.1.
When working in dusty situations, wear appro-
priate respiratory protection or use an OSHA
compliant dust extraction solution.
Always remove battery pack before changing
or removing accessories. Only use accessories
specically recommended for this tool. Others
may be hazardous.
Always remove the battery before inserting or remov-
ing 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.
The handle is designed for convenience and con-
trol. 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.
This tool has an adjustable clutch for
driving dierent types of screws into
dierent materials. When properly
adjusted, the clutch will slip at a
preset torque to prevent driving the
screw too deep and to prevent dam-
age to the screw or tool.
To 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.
The torque specifications shown
here are approximate values obtained with a fully
charged battery pack.
Clutch
Setting
1
4
7
10
13
16
19
wear proper eye protection marked
Installing Bits
Adjusting the Handle
Using the Adjustable Clutch
Driving
Drilling
(in lbs)
Lo Hi
3.7
6.5
9.3
12.8
16.4
20.0
23.4
3.7
6.5
9.3
11.2
N/A
N/A
N/A
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.
*When set to high speed, set the clutch at 10 or be-
low. The Automatic Shut-O may not work at higher
clutch settings (see "Automatic Shut-O").
NOTE: Because the settings shown in the table are
only a guide, use a piece of scrap material to test
the dierent clutch settings before driving screws
into the workpiece.
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 to dis-
play the lock symbol.
2. To unlock, push the lock switch to
display the unlock symbol.
1. For low speed and more torque, push
the speed selector back ("1" is dis-
played).
2. For high speed and less torque, push
the speed selector forward ("2" is
displayed).
Press and hold the top of the switch ◄ for forward
rotation, and the bottom of the switch ► for reverse
rotation. The switch will automatically return to the
center OFF position when it is released.
To prevent extra driving force after the selected
torque has been reached, the tool will automatically
shut o if the clutch slips. At higher clutch settings,
this feature may not immediately engage. Release
the switch to reset the automatic shut-o.
MILWAUKEE Lithium-Ion battery packs are designed
to operate in temperatures below freezing. When
the battery pack is too cold, it may need to warm up
before normal use. Put the battery on a tool and use
the tool in a light application. It may “buzz” for a short
time until it warms up. When the buzzing stops, use
the tool normally.
Using the Lock Switch
Unlock
Lock
Selecting High or Low Speed
HI LO
Selecting Forward or Reverse
Automatic Shut-O
Cold Weather Operation
APPLICATIONS
To reduce the risk of electric shock,
and wires before drilling or driving screws.
This tool provides a quick, convenient means of drill-
ing small holes and installing and removing screws.
Because of the many screw sizes, types, thread
engagements and materials available, it is dicult to
limit the application of this tool by screw size. How-
ever, for applications in wood, a #6 wood screw with
a full pilot hole is recommended as a practical limit.
Drilling in Wood, Composition Materials
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.
4
check work area for hidden pipes
and Plastic
Drill a pilot hole when driving screws into thick or
WARNING
WARNING
WARNING
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 rm pressure before pressing the foward/reverse switch up.
Screws can be removed by pressing the foward/
reverse switch down.
When the forward/reverse switch is o, the screw-
driver 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 ca-
pable of delivering, when conrming the tightness of
a screw or when loosening an extremely tight screw.
Driving Screws
Locking the Screwdriver Bit
MAINTENANCE
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.
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 aect 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.
Maintaining Tool
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.
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.
For repairs, return the tool, battery pack and charger
to the nearest service center.
Cleaning
Repairs
ACCESSORIES
Use only recommended accesso-
For a complete listing of accessories, go online to
www.milwaukeetool.com or contact a distributor.
ries. Others may be hazardous.
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
Monday-Friday, 7:00 AM - 4:30 PM CST
Every MILWAUKEE power tool* (see exceptions below) 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 an electric power tool which, after examination,
is determined by MILWAUKEE to be defective in material or workman-
ship for a period of ve (5) years** after the date of purchase unless
otherwise noted. Return of the power tool to a MILWAUKEE factory
Service Center location or MILWAUKEE Authorized Service Station,
freight prepaid and insured, is required. A copy of the proof of purchase
should be included with the return product. 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.
Normal Wear: Many power tools need periodic parts replacement and
service to achieve best performance. This warranty does not cover
repair when normal use has exhausted the life of a part including,
but not limited to, chucks, brushes, cords, saw shoes, blade clamps,
o-rings, seals, bumpers, driver blades, pistons, strikers, lifters, and
bumper cover washers.
*This warranty does not cover Air Nailers & Staplers; Airless Paint
Sprayer; Cordless Battery Packs; Gasoline Driven Portable Power
Generators; Hand Tools; Hoist – Electric, Lever & Hand Chain;
M12™ Heated Gear; Reconditioned Product; and Test & Measure-
ment Products. There are separate and distinct warranties available
for these products.
**The warranty period for Job Site Radios, M12™ Power Port, M18™
Power Source, Jobsite Fan and Trade Titan™ Industrial Work Carts
is one (1) year from the date of purchase. The warranty period for the
Drain Cleaning Cables and AIRSNAKE™ Drain Cleaning Air Gun
Accessories is two (2) years from the date of purchase. The warranty
period for the M18™ Compact Heat Gun, 8 Gallon Dust Extractor,
M18™ Framing Nailers, M18 FUEL™ 1/2" Ext. Anvil Controlled Torque
Impact Wrench w/ ONE-KEY™, and the M18 FUEL™ 1" High Torque
Impact Wrench w/ ONE-KEY™ is three (3) years from the date of
purchase. The warranty period for the LED in the LED Work Light and
the LED Upgrade Bulb for the Work Light is the lifetime of the product
subject to the limitations above. If during normal use the LED or LED
Bulb fails, the part will be replaced free of charge.
Warranty Registration is not necessary to obtain the applicable war-
ranty on a MILWAUKEE power tool product. The manufacturing date
of the product will be used to determine the warranty period if no proof
of purchase is provided at the time warranty service is requested.
ACCEPTANCE OF THE EXCLUSIVE REPAIR AND REPLACEMENT
REMEDIES DESCRIBED HEREIN IS A CONDITION OF THE CON-
TRACT 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
LIABLE 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. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL
DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT
APPLY TO YOU. THIS WARRANTY IS EXCLUSIVE AND IN LIEU
OF ALL OTHER EXPRESS WARRANTIES, WRITTEN OR ORAL.
TO THE EXTENT PERMITTED BY LAW, MILWAUKEE DISCLAIMS
1.800.268.4015
or visit www.milwaukeetool.ca
LIMITED WARRANTY
USA & CANADA
5
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