OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
Cat. No. / No de cat.
2757-20, 2758-20
2759-20, 2759B-20
M18 FUEL™ 1/4" HEX IMPACT DRIVER, 3/8" COMPACT IMPACT
WRENCH & 1/2" COMPACT IMPACT WRENCHES
TOURNEVIS À PERCUSSION HEXAGONAL DE 6 mm (1/4")
M18 FUEL™, CLÉ À CHOCS COMPACTE DE 3/8" M18 FUEL™,
ET CLÉS À CHOCS COMPACTE DE 1/2" M18 FUEL™
DESTORNILLADOR DE IMPACTO HEXAGONAL M18 FUEL™ DE
6 mm (1/4"), LLAVE DE IMPACTO COMPACTA M18 FUEL™ DE
3/8", LLAVE DE IMPACTO COMPACTA M18 FUEL™ DE 1/2"
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 ac-
cidents 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
to another. Shorting the battery terminals together
may cause burns or a re.
2
• Under abusive conditions, liquid may be ejected
WARNING
WARNING
C
US
from the battery; avoid contact. If contact accidentally occurs, ush 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 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
manufacturer or authorized service providers.
SPECIFIC SAFETY RULES FOR
IMPACT WRENCHES AND DRIVERS
•Hold the 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.
•Wear ear protectors when impact drilling. Expo-
sure to noise can cause hearing loss.
• Use only sockets and other accessories spe-
cically designed for use on impact wrenches
and drivers. Other sockets and accessories might
shatter or break causing injury.
• Chemical Burn Hazard. Keep coin cell battery
away from children.
•
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 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
To reduce the risk of injury, when
working in dusty situations, wear
Some dust created by power sanding,
sawing, grinding, drilling, and other
as those dust masks that are specially designed to
lter out microscopic particles.
SYMBOLOGY
Volts
Direct Current
Impacts per Minute Under Load (IPM)
No-Load Revolutions per Minute (RPM)
UL Listing for Canada and U.S.
SPECIFICATIONS
Volts .............................................................18 DC
Battery Type .................................................M18™
Charger Type ................................................M18™
Module/FCC ID ........BGM220S2/QOQ-BGM220S2
Cat. No. ..................................................... 2757-20
RPM .......................................................... 0 - 3 000
IPM ........................................................... 0 - 3 700
Cat. No. ..................................................... 2758-20
RPM .......................................................... 0 - 2 500
IPM ........................................................... 0 - 3 200
Cat. No. ..................................................... 2759-20
RPM .......................................................... 0 - 2 500
IPM ........................................................... 0 - 3 200
Cat. No. ...................................................2759B-20
RPM .......................................................... 0 - 2 500
IPM ........................................................... 0 - 3 200
Recommended Ambient
Operating Temperature ......................0°F to 125°F
FUNCTIONAL DESCRIPTION
1
2
3
4
5
1. 1/4" Hex drive chuck
(2757-20)
2. LED
3. Control switch
4. Trigger
5. Handle
6. Bit holder (2757-20)
7. Mode selector
8. Belt clip
9. 3/8" Square drive anvil (2758-20)
10. 1/2" Square drive anvil (2759B-20)
11. 1/2" Square drive anvil with pin detent (2759-20)
3
6
7
8
Cat. No. 2757-20
9
Cat. No.
2758-20
10
Cat. No.
2759B-20
11
Cat. No.
2759-20
WARNING
ASSEMBLY
WARNING
WARNING
WARNING
Recharge only with the charger
cic charging instructions, read the operator’s
manual supplied with your charger and battery.
To remove the battery, push in the release buttons
and pull the battery pack away from the tool.
is not in use.
To insert the battery, slide the pack into the body
of the tool. Make sure it latches securely into place.
may be hazardous.
Use only sockets and other accessories speci-
cally designed for use on impact wrenches and
drivers. Other sockets and accessories might
shatter or break causing injury.
This impact driver is intended for use with
drill and driver bits.
1. To attach an accessory, press the shank
into the hex drive chuck.
2. To remove the accessory, pull out the
ring and remove the accessory. Release the ring.
1. Use only the appropriate size Square Drive Sockets.
2. To attach a socket, align the accessory with the
anvil and push it rmly over the retaining ring.
3. To remove the accessory, pull the accessory o
the anvil.
Square Drive Impact Wrench with Pin Detent
1 Use only the appropriate size Square Drive Sockets.
2. To attach a socket, align the hole in the accessory
with the detent pin on the anvil. Hold the detent
pin in while pushing the socket onto the anvil.
The detent pin will snap into place in the hole to
secure the socket.
3. To remove the socket, insert a nail or other thin
object into the hole in the accessory and press
in the detent pin. Pull the accessory o the anvil.
To learn more about the ONE-KEY™ functionality
for this tool, go to milwaukeetool.com/One-Key. To
download the ONE-KEY™ app, visit the App Store or
Google Play from your smart device.
Solid Blue Wireless mode is active and ready
Blinking Blue Tool is actively communicating with
Blinking Red Tool is in security lockout and can
specied for the battery. For spe-
Removing/Inserting the Battery
Always lock the trigger or remove
the battery pack any time the tool
Only use accessories specically
recommended for this tool. Others
Attaching and Removing
Accessories
1/4" Hex Impact Driver
(C at. No. 2 757-20)
Square Drive Impact Wrenches
(Cat. No. 2758-20, 2759B-20)
(Cat. No. 2759-20)
ONE-KEY™
ONE-KEY™ Indicator
to be congured via the ONE-KEY™
app.
the ONE-KEY™ app.
be unlocked by the owner via the
ONE-KEY™ app.
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.
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.
For forward (clockwise) rotation,
push the control switch in the
direction shown. Check the direction of rotation before use.
For reverse (counterclockwise)
rotation, push the control switch
in the direction shown. Check the direction of rotation before use.
To lock the trigger, push the control switch to the
center position. The trigger will not work when the
control switch is in the locked position.
Always remove the battery pack before performing
maintenance, changing accessories, storing the tool
and any time the tool is not in use.
Allow the tool to come to a complete stop before
changing modes. Press the selector button to
cycle between the settings.Select wireless to
change the default settings via the ONE-KEY App
on your smart device.
2757-20 850 1500 2100 3000
2758-20
2759-20
2759B-20
Starting, Stopping and Controlling Speed
These tools may be operated at any speed from 0
to full speed.
1. To start the tool, grasp the handle(s) rmly and
pull the trigger.
NOTE: An LED is turned on when the trigger is
pulled and will go o shortly after the trigger is
released.
2. To vary the driving speed, increase or decrease
pressure on the trigger. The further the trigger is
pulled, the greater the speed, up to the maximum
speed set by the speed control.
3. To stop the tool, release the trigger and the electric
brake stops the tool instantly. Ensure the tool has
come to a complete stop before laying the tool
down.
The longer a bolt, screw, or nut is impacted, the
tighter it will become. To help prevent damaging the
fasteners or workpieces, avoid excessive impact-
ing. Be particularly careful when impacting smaller
fasteners because they require less impacting to
reach optimum torque.
4
wear proper eye protection marked
Using the Control Switch
CENTER TO LOCK
Forward
Reverse
Selecting Mode
Default Max RPM
Setting 1 Setting 2 Setting 3 Setting 4
900 1400 1900 2500
Impacting Techniques
Practice with various fasteners, noting the length of
WARNING
WARNING
WARNING
WARNING
time required to reach the desired torque. Check the
tightness with a hand-torque wrench. If the fasteners
are too tight, reduce the impacting time. If they are
not tight enough, increase the impacting time.
Oil, dirt, rust or other matter on the threads or under
the head of the fastener aects the degree of tightness.
The torque required to loosen a fastener averages
75% to 80% of the tightening torque, depending on
the condition of the contacting surfaces.
On light gasket jobs, run each fastener down to a
relatively light torque and use a hand torque wrench
for nal tightening.
MAINTENANCE
To reduce the risk of injury, always
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.
lithium button/coin cell battery. A new
or used battery can cause severe internal burns and lead to death in as
little as 2 hours if swallowed or enters the body.
Always secure the battery cover. If it does not
close securely, stop using the device, remove the
batteries, and keep it away from children. If you
think batteries may have been swallowed or entered the body, seek immediate medical attention.
An internal coin cell battery is used to facilitate full
ONE-KEY™ functionality.
To replace the coin cell battery:
1. Remove the battery pack.
2. Remove the screw(s) and open the coin cell bat-
tery door.
3. Remove the old coin cell battery, keep it away from
children, and dispose of it properly.
4. Insert the new coin cell battery (3V CR2032), with
the positive side facing up.
5. Close the battery door and tighten the screw(s)
securely.
unplug the charger and remove the
Maintaining Tool
ONE-KEY™
Chemical Burn Hazard.
This device contains a
Internal Coin Cell Battery
To reduce the risk of personal in-
your tool, battery pack or charger in liquid or
allow a liquid to ow inside them.
Clean dust and debris from any vents. Keep tool
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 authorized service center.
jury and damage, never immerse
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.
WIRELESS COMMUNICATION
For products provided with wireless communication
features, including ONE-KEY™:
Pursuant to part 15.21 of the FCC Rules, do not
modify this product. Modication could void your
authority to operate the product. This device complies
with part 15 of the FCC Rules and ISED-Canada's
license exempt RSS standards. Operation is subject
to the following two conditions: 1) This device may
not cause harmful interference, and 2) This device
must accept any interference received, including
interference that may cause undesired operation.
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
1.877.948.2360
or visit www.milwaukeetool.ca
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