Milwaukee 0756-20 User Manual
Cat. No.
No de cat.
0756-20
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
28 VOLT
ROTARY HAMMER
MARTEAU ROTATIF 28 V
ROTOMARITILLOS DE 28V
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 am-
mable 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.
BPM
SYMBOLOGY
Direct Current
Underwriters Laboratories, Inc.
United States and Canada
No Load Revolutions per
Minute (RPM)
Blows per Minute (BPM)
SPECIFIC SAFETY RULES
• Wear ear protectors. 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 tools by insulated gripping surfaces, when performing an operation where the
cutting tool may contact hidden wiring or its
own cord. Cutting accessory 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.
• 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.
FUNCTIONAL DESCRIPTION
5
4
3
2
1
1. Side handle
2. Clamp
3. Depth gauge rod
4. SDS Plus bit holder
6
5. Release collar
6. Mode selector
7. Control switch
8. Trigger
7
SPECIFICATIONS
Cat. No. Volts DC
0756-20 28 0 - 1400 0 - 4700 1/2" 1-1/8" 3/16" - 1" 2-1/2"
Use only MILWAUKEE M28™ or V28® battery packs.
No Load
RPM
No Load
Blows per
Minute
Drill Only Rotary Hammer (concrete)
Steel Wood
3
Capacities
Carbide Tipped
Percussion Bit
Thin Wall
Core Bit
8
ASSEMBLY
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.
WARNING Always remove battery
pack before changing or removing accessories. Only use accessories specifi cally
recommended for this tool. Others may be
hazardous.
Removing Battery Pack from Tool
Push in the release buttons and pull the battery
pack away from the tool.
Inserting Battery Pack into Tool
To insert the battery pack onto the tool, slide the
pack onto the body of the tool. Make sure it latches
securely into place.
Adjusting the Side Handle Position
1. Loosen the side handle by unscrewing the side
handle grip until the side handle rotates freely.
2. Rotate the side handle to the desired position.
3. Tighten the side handle grip securely.
Setting the Depth Gauge
1. Press in the clamping lever.
2. Slide the depth gauge rod backward or forward
until it is set for the desired depth.
NOTE: The drilling depth is the distance between
the tip of the bit and the tip of the depth gauge
rod.
3. Release the clamping lever.
Fig. 1
Installing Drill Bits and Chisels
NOTE: Only use accessories with SDS or SDS
Plus shanks.
Be sure that the shank of the bit is clean. Dirt particles may cause the bit to line up improperly. Do not
use bits larger than the maximum recommended
capacity of the drill because gear damage or motor overloading may result. For best performance,
be sure that the bit is properly sharpened and the
shank is lightly greased before use.
1. Insert the bit or chisel into the nose of the tool.
2. Rotate bit slowly until it aligns with the locking
mechanism.
3. Push bit into tool until it locks.
4. Check that the bit is locked properly; it should
be possible to pull the bit back and forth slightly
(about 1/4”).
5. T o remove bits and chisels, pull bit holder release
collar toward the rear of tool and remove bit.
NOTE: Use caution when handling hot bits and
chisels.
Drilling
Depth
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 ,
keep hands away from the bit and all
moving parts. Always wear safety goggles or
glasses with side shields.
Selecting Action
MILWAUKEE Rotary Hammers have three settings:
drill only, rotary hammer, and hammer only.
1. For drilling, turn the selector lever so the arrow
on the lever points to the
twist drill symbol
2. For rotary hammering,
turn the selector lever
so the arrow points to
the hammer and twist
drill symbol .
3. For hammering only, turn the selector lever so
the arrow points to the hammer symbol .
4. To freely rotate the bit to the desired angle for
chiseling only, turn the selector lever so the arrow
points to the symbol 0. Then, follow step 3.
NOTE: To engage the hammering mechanism,
maintain pressure on the bit. When pressure on the
bit is released, the hammering action will stop.
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 trigger is not pulled. Always allow the motor to
come to a complete stop before using the control
switch.
For forward (clockwise) rotation, push in the control switch from the left side of the tool. Check the
direction of rotation before use.
For reverse (counterclockwise) rotation, push in
the control switch from the right side of the tool.
Check direction of rotation before use.
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 lock the trigger 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
1. To start the tool, grasp the handle fi rmly and pull
the trigger.
2. To vary the speed, increase or decrease the
pressure on the trigger. The further the trigger
is pulled, the greater the speed.
3. To stop the tool, release the trigger. Make sure
the tool comes to a complete stop before laying
the tool down.
.
Operating
Position the tool, grasp the handles fi rmly and pull
the trigger. Always hold the tool securely using both
handles to maintain control. This tool has been
designed to achieve top performance with only
moderate pressure. Let the tool do the work.
If the speed begins to drop off when drilling large
or deep holes, pull the bit partially out of the hole
while the tool is running to help clear dust. Do not
use water to settle the dust since it will clog the bit
fl utes and tend to make the bit bind in the hole. If
the bit should bind, a built-in, non-adjustable slip
clutch prevents the bit from turning. If this occurs,
stop the tool, free the bit and begin again.
Using Core Bits
Core bits are useful for drilling large holes for
conduit and pipe. MILWAUKEE Heavy-Duty Thin
Wall Core Bits have heat treated steel bodies with
durable carbide tips. They are specially designed
for fast, accurate drilling with combined hammering
and rotary action.
1. Clean and lubricate the threads on the adapter
and core bit as indicated to make later removal
easier. Screw the threaded end of the adapter
into the rear of the core bit.
2. Push the guide plate onto the pointed end of the
center pin. Insert the center pin with guide plate
a ssembly into to the core bit. Be sure the small
end of the center pin is securely placed into the hole in
the center of the adapter.
3. Insert the adapter into
the bit holder of the tool as
described in “Inserting Drill
Bit or Chisel”. Set the rotary
hammer/drill lever to rotary
hammer.
4. Press the center pin fi rmly
against your center mark,
hold the tool fi rmly and pull
the trigger.
5. After drilling to about the
depth of the core bit teeth,
remove the center pin and
guide plate from the core
bit. Resume drilling.
6. After you have finished
drilling the hole, hold the
tool upwards, pointing it
away from your body, and
run it briefl y in forward to
loosen the core bit from the
adapter.
MILWAUKEE Heavy-Duty Thin
Wall Core Bits drill holes up
to 3" deep. To make deeper
holes, remove the bit, break
and remove the core. Resume
drilling.
Adapter
Clean
and
lubricate
threads
Core
Bit
Center
Pin
Guide
Plate
APPLICATIONS
Selecting Bits
When selecting a bit, use the right type for your job.
For best performance, always use sharp bits.
Drilling
1. Before drilling, be sure the workpiece is clamped
securely. Use backing material to prevent damage to the workpiece during breakthrough.
2. When starting a hole, place the drill bit on the
work surface and apply fi rm pressure. Begin
drilling at a slow speed, gradually increasing the
speed as you drill.
3. Always apply pressure in line with the bit. Use
enough pressure to keep the drill biting, but do
not push hard enough to stall the motor.
4. Reduce pressure and ease the bit through the
last part of the hole. While the tool is still running,
pull the bit out of the hole to prevent jamming.
Drilling in Wood, Composition Materials and
Plastic
When drilling in wood, composition materials and
plastic, 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 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.
4
5
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 flammable 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.
6
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.
7
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