Milwaukee 2457-21, 2456-21, 2457-20 User Manual
Cat. No.
No de cat.
2456-20
2457-20
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
M12™ CORDLESS RATCHETS
CLIQUETS SANS FIL M12™
TRINQUETES INALÁMBRICOS M12™
TO REDUCE THE RISK OF INJURY, USER MUST READ AND UNDERSTAND OPERATOR'S
MANUAL.
AFIN DE RÉDUIRE LE RISQUE DE BLESSURES, L'UTILISATEUR DOIT LIRE ET BIEN
COMPRENDRE LE MANUEL DE L'UTILISATEUR.
PARA REDUCIR EL RIESGO DE LESIONES, EL USUARIO DEBE LEER Y ENTENDER EL
MANUAL DEL OPERADOR.
GENERAL POWER TOOL SAFETY WARNINGS
WARNING READ ALL SAFETY WARNINGS AND ALL INSTRUCTIONS.
Failure to follow the warnings and instructions may result in electric shock, fi 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-operated (cordless) power tool.
• Keep work area clean and well lit. Cluttered or
dark areas invite accidents.
• Do not operate power tools in explosive atmospheres, such as in the presence of fl 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
WORK AREA 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. Unmodifi ed 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 residual current device
(RCD) protected supply. Use of an RCD 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 infl uence 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 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 fi nger on the switch or energising 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
jewellery. Keep your hair, clothing and gloves
away from moving parts. Loose clothes, jewel-
lery 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.
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 the battery pack 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. 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 hazardous situation.
BA TTER Y T OOL USE AND CARE
• Recharge only with the charger specifi 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.
• Use power tools only with specifi cally desig-
nated battery packs. Use of any other battery
packs may create a risk of injury and fi re.
2
• 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 termi-
nals together may cause burns or a fi re.
• Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact
accidentally occurs, fl ush with water. If liquid
contacts eyes, additionally seek medical help.
Liquid ejected from the battery may cause irritation
or burns.
SERVICE
• 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.
SPECIFIC SAFETY RULES
• Hold power tool by insulated gripping sur-
faces, when performing an operation where the
fastener may contact hidden wiring or its own
cord. Fasteners contacting with 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.
Exposure to noise can cause hearing loss.
• Use only sockets and other accessories spe-
cifi cally designed for use on impact tools.
Other sockets and accessories might shatter or
break causing injury.
• Do not touch metal parts of tool head, socket,
fasteners, or workpiece immediately after use.
They may be very hot and could burn skin.
• Maintain labels and nameplates. These carry
important 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.
Y our 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.
SPECIFICATIONS
Cat. No.
2456-20
2457-201212
Volts
DC
RPM
0-250
0-250
Torque
Range
0-30 ft-lbs
0-35 ft-lbs
Drive
Anvil
1/4"
3/8"
SYMBOLOGY
Direct Current
No Load Revolutions per Minute
(RPM)
Underwriters Laboratories, Inc.
United States and Canada
Lock switch
FUNCTIONAL DESCRIPTION
6
4
2
1. Paddle switch
2. LED
3. Lock switch
5
3
4. Drive Anvil
5. Fuel Gauge
6. Forward/Reverse toggle
1
ASSEMBLY
WARNING Recharge only with the
charger specified for the battery.
For specifi c charging instructions, read the
operator’s manual supplied with your charger
and battery.
Inserting/Removing the Battery
To remove the battery, push in the release buttons
and pull the battery pack away from the tool.
To insert the battery, slide the pack into the body of
the tool. Make sure it latches securely into place.
WARNING Always remove battery
pack before changing or removing accessories. Only use accessories specifi cally
recommended for this tool. Others may be
hazardous.
WARNING Use only sockets and other
accessories specifi cally designed for
use on impact tools. Other sockets and accessories might shatter or break causing injury.
Attaching and Removing Accessories
These tools are intended only for use with accessories designed for impact tools. Other sockets
could shatter or break, causing injury.
1. Use only appropriate Square Drive Sockets.
2. To attach a socket or other accessory, align the
accessory with the drive anvil and push it fi rmly
onto the tool.
3. To remove the accessory , pull the accessory of f
the drive anvil.
3
OPERATION
WARNING Always remove battery
pack before changing or removing
accessories. Only use accessories specifi -
cally recommended for this tool. Others may
be hazardous.
WARNING T o reduce the risk of injury ,
wear safety goggles or glasses with
side shields.
Fuel Gauge
To determine the amount of charge left in the battery, pull the paddle switch. The Fuel Gauge will
light up for 2-3 seconds.
T o signal the end of charge, 1 light on the fuel gauge
will fl ash for 2-3 seconds.
Using the Forward/Reverse Toggle
For forward (clockwise) rotation,
rotate the forward/reverse toggle
counterclockwise. Check the
direction of rotation before use.
For reverse (counterclockwise)
rotation, rotate the forward/reverse toggle clockwise. Check the
direction of rotation before use.
Lock Switch
To lock the paddle switch, slide the lock switch to
the locked position. T o unlock the paddle switch,
slide the lock switch to the unlocked position. The
paddle switch will not work when the lock switch is
in the locked position.
Always lock the paddle switch or remove the battery
pack before performing maintenance, changing
accessories, storing the tool and any time the tool
is not in use.
Starting, Stopping and Controlling Speed
These tools may be operated at any speed from
0 to full speed.
1. To start the tool, pull the paddle switch. NOTE:
An LED is turned on when the switch is pulled.
The tool will shut off automatically when maxi-
mum torque is reached.
2. To vary the driving speed, increase or decrease
pressure on the switch. The further the switch
is pulled, the greater the speed.
3. To stop the tool, release the switch.
Forward
Reverse
MAINTENANCE
WARNING T o 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.
After six months to one year, depending on use,
return the tool, battery pack 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
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 per-
sonal injury and damage, never immerse your
tool, battery pack 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 pack 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 solvents around tools.
Repairs
For repairs, return the tool, battery pack and charger to the nearest service center.
ACCESSORIES
WARNING Always remove battery
pack before changing or removing accessories. Only use accessories specifi cally
recommended for this tool. Others may be
hazardous.
For a complete listing of accessories refer to your
MILWAUKEE Electric Tool catalog or go online
to www.milwaukeetool.com. To obtain a catalog,
contact your local distributor or service center.
4
LIMITED WARRANTY - USA AND CANADA
Every MILWAUKEE power tool (including cordless product – tool, battery pack(s) - see separate & distinct CORDLESS BA TTERY
PACK LIMITED WARRANTY statements & battery charger and Work Lights*) 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 workmanship
for a period of fi 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.
*The warranty period for, Job Site Radios, M12™ Power Port and T rade T itan™ Industrial W ork Carts is one (1) year from the
date of purchase. The warranty period for a LED Work Light and LED Upgrade Bulb is a limited LIFETIME warranty to the
original purchaser only, if during normal use the LED bulb fails the Work Light or Upgrade Bulb will be replaced free of charge.
*This warranty does not cover Air Nailers & Stapler, Airless Paint Sprayer, Cordless Battery Packs, Gasoline Driven Portable
Power Generators, Hand T ools, Hoist – Electric, Lever & Hand Chain, M12™ Heated Jackets, Reconditioned product and Test
& Measurement products. There are separate and distinct warranties available for these products.
Warranty Registration is not necessary to obtain the applicable warranty on a MILWAUKEE power tool product. The manu-
facturing 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 REP AIR 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 LIABLE FOR ANY INCIDENTAL,
SPECIAL, CONSEQUENTIAL OR PUNITIVE DAMAGES, OR FOR ANY COSTS, ATTORNEY FEES, EXPENSES, LOSSES
OR DELAYS ALLEGED T O 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 ST A TES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITA TION 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 ANY IMPLIED WARRANTIES,
INCLUDING WITHOUT LIMITA TION ANY IMPLIED W ARRANTY OF MERCHANT ABILITY OR FITNESS FOR A P ARTICULAR
USE OR PURPOSE; TO THE EXTENT SUCH DISCLAIMER IS NOT PERMITTED BY LAW, SUCH IMPLIED WARRANTIES
ARE LIMITED TO THE DURA TION OF THE APPLICABLE EXPRESS WARRANTY AS DESCRIBED ABOVE. SOME ST A TES
DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITA TION MAY NOT
APPLY T O YOU, THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS
WHICH VARY FROM STATE TO STATE.
This warranty applies to product sold in the U.S.A. and Canada only.
Please consult the ‘Service Center Search’ in the Parts & Service section of MILWAUKEE’s website www .milwaukeetool.com
or call 1.800.SAWDUST (1.800.729.3878) to locate your nearest MILWAUKEE factory Service Center location.
LIMITED WARRANTY - MEXICO, CENTRAL AMERICA AND CARIBBEAN
TECHTRONIC INDUSTRIES' warranty is for 5 year since the original purchase date.
This warranty card covers any defect in material and workmanship on this Power Tool.
To make this warranty valid, present this warranty card, sealed/stamped by the distributor or store where you purchased the
product, to the Authorized Service Center (ASC). Or, if this card has not been sealed/stamped, present the original proof of
purchase to the ASC.
Call toll-free 1 800 832 1949 to fi nd the nearest ASC, for service, parts, accessories or components.
Procedure to make this warranty valid
T ake the product to the ASC, along with the warranty card sealed/stamped by the distributor or store where you purchased the
product, and there any faulty piece or component will be replaced without cost for you. We will cover all freight costs relative
with this warranty process.
Exceptions
This warranty is not valid in the following situations:
a) When the product is used in a different manners from the end-user guide or instruction manual.
b) When the conditions of use are not normal.
c) When the product was modifi ed or repaired by people not authorized by TECHTRONIC INDUSTRIES.
Note: If cord set is damaged, it should be replaced by an Authorized Service Center to avoid electric risks.
SERVICE AND ATTENTION CENTER
Model:
Rafael Buelna No.1.
Col. Tezozomoc Mexico, Azcapotzalco D.F.
Date of Purchase:
Ph. 01 800 832 1949
Distributor or Store Stamp:
IMPORTED AND COMMERCIALIZED BY:
TECHTRONIC INDUSTRIES MEXICO, .S.A. DE C.V.
Av. Santa Fe 481 piso 6, Col. Curz Manca.
CP 05349, Cuajimalpa, D.F.
5
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