Milwaukee 0721-20 User Manual
Cat. No.
No de cat.
0721-20
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
28 VOLT 1/2" RIGHT ANGLE DRILL
13 mm (1/2") POIGNÉE COUDEE ANGLE DROIT 28 V
TALADROS EN ANGULOS RECTOS, DE 13 mm (1/2") CON
EMPUNADURA EN "D" DE 28 V
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 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
2
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.
3
• 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
• Wear ear protectors with impact drills. Expo-
sure to noise can cause hearing loss.
• Use auxiliary handles 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.
Contact with a live wire will make exposed metal
parts of the tool live and shock the operator.
SPECIFICATIONS
Cat. No.
0721-20 28 Hi 0 - 1000
Use only MILWAUKEE M28™ or V28® battery packs.
Volts DCNo load
RPM
Lo 0 - 400
Flat Boring Bits Hole Saw Auger Bit Ship Auger Bit Selfeed Bit
1-1/2"
1-1/2"
SYMBOLOGY
Direct Current
Underwriters Laboratories, Inc.
United States and Canada
No Load Revolutions per
Minute (RPM)
• 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.
Capacities in Wood
3-1/2"
4-1/2"
3/4"
1-1/2"
1"
1-1/2"
1"
2-9/16"
FUNCTIONAL DESCRIPTION
4
5
6
1. Handle
2. Forward/Reverse/Trigger
lock switch
3. Trigger
7
2
3
4. Right angle
drive unit
5. Side handle
6. Chuck
7. Ring clamp
ASSEMBLY
WARNING Recharge only with the char-
ger 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.
WARNING T o reduce the risk of injury ,
always use a side handle when using
this tool. This tool operates with high torque.
Always brace or hold the tool securely.
WARNING When using the D-handle
drill without the right angle drive
unit, do not clamp the ring clamp with attached side handle to the front of the gear
case; use the side handle instead.
Do not use the extension when using the
ring clamp.
Ring Clamp, Extension, and Side Handle for
Right Angle Drive (RAD)
For D-handle drill with RAD:
A ring clamp, extension, and side handle are supplied with the Right Angle Drive Unit. When using a
right angle drive unit, attach the side handle to the
1
ring clamp. Do not use the extension when using
the ring clamp. The ring clamp with attached side
handle clamps onto the right angle drive unit and
can swivel 360° and locked tight in any position.
For D-handle drill without RAD:
When using the D-handle drill without the right
angle drive unit, remove the ring clamp with attached side handle from the RAD, then remove
the side handle from the ring clamp. Attach the
side handle to the extension. The side handle can
be installed on either side of the tool for right or left
handed use. To install the extension with attached
side handle, thread it into the socket on the desired
side of the tool (for right or left-handed use) and
tighten securely.
NOTE: If you have an extra ring clamp with attached side handle and extension with attached
side handle, do not use the extension with attached
side handle when using the right angle drive unit.
Remove it from the tool.
Attaching Right Angle Drive to a Drill
1. Remove the chuck from the drill following instructions (see “Removing
the Chuck from the Drill”). Slip the
double hex coupling (1) over the hex
on the drill spindle.
Loosen the clamping screws on
the clamping sleeve (2) and slip the
sleeve onto the drill collar.
2. Slide the right angle drill head (3)
into the other side of the sleeve
and turn the drive head slightly in
either direction so the hexagonal
hole in the coupling engages the
hexagonal portion of the spindle.
NOTE: Attaching the drill chuck to the side des-
ignated “low” reduces the speed by 1/3, or 33%.
Attaching the drill chuck to the opposite side of
the right angle drill head increases the speed by
1/2, or 50%.
3. When assembled, turn the right angle head to the
desired position and tighten the clamping screws
to secure the unit. Thread the chuck onto the right
angle drive spindle and install the chuck screw.
Removing the Chuck from the RAD
The chuck can be removed
from the right angle drive
unit in the same manner
it is removed from the
drill; however, ALWAYS
REMOVE RIGHT ANGLE
DRIVE FROM THE DRILL
BEFORE ATTEMPTING
TO LOOSEN THE CHUCK.
This will prevent damaging
the drill's gearing. Use the open end wrench provided to hold the right angle drive spindle before
attempting to loosen the chuck.
Removing the Chuck from the Drill
1. To remove the left-hand
screw inside the chuck,
remove the battery pack
from the tool and open
the chuck jaws. Insert a
T-handle hex key into the
screw inside the chuck.
Turn the T -handle hex key
and remove the screw.
Save the screw for installing your new chuck.
2. To remove chuck: T ighten
a large hex key into the chuck. Place the chuck
on a workbench as shown. Strike the hex key
with a soft-headed mallet to loosen the chuck.
Remove the chuck by hand.
3
2
1
4
5
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. Always remove the
chuck key from the chuck after each use.
Installing Bits into Keyed Chuck
1. Open the chuck jaws
wide enough to insert
the bit. Be sure the
bit shank and chuck
jaws are clean. Dirt
particles may prevent
the bit from lining up
properly.
2. When using drill bits,
insert the bit into the
chuck. Center the bit in
the chuck jaws and lift it about 1/16" off of the
bottom. Tighten the chuck jaws by hand to align
the bit.
When using screwdriver bits, insert the bit far
enough for the chuck jaws to grip the bit shank.
Tighten the chuck jaws by hand to align the bit.
3. Place the chuck key in each of the three holes in
the chuck, turning it clockwise as shown. Tighten
securely.
4. To remove the bit, insert the chuck key into one
of the holes in the chuck and turn it counterclockwise.
Forward/Reverse/Trigger Lock Switch
T o set the direction of bit rotation or lock the
trigger, move the forward/reverse/trigger
lock switch to the following positions:
For forward rotation (clockwise): Move the
switch to the right."
above the switch. To vary the speed in
forward rotation, increase or decrease
pressure on the trigger.
For reverse rotation (counter-clockwise):
Move the switch to the left. " " will be displayed above the switch. T o vary the speed
in reverse rotation, increase or decrease
pressure on the trigger.
To lock the trigger: Move the switch to the
center. " " will be displayed above the
switch. The trigger will not work while the
switch is in the locked position. Always
lock the trigger and remove the battery
pack before performing maintenance and
changing accessories. Lock the trigger
when storing the tool and when the tool
is not in use.
Tighten
Loosen
" will be displayed
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.
Electric Brake
The electric brake engages when the trigger is
released, causing the bit to stop and allowing you
to proceed with your work. Generally, the bit stops
within two seconds. However, there may be a delay
between the time you release the trigger and when
the brake engages. Occasionally the brake may
miss completely. If the brake misses frequently , the
tool needs servicing by an authorized MILWAUKEE
service facility.
6
WARNING To reduce the risk of
personal injury, hold the tool securely. Brace tools with side handles as shown.
If the bit binds, the tool will be forced in the
opposite direction. Bits may bind if they are
misaligned or when breaking through a hole.
Wood boring bits can also bind if they run into
nails or knots.
Bracing against
a stud
Reaction
Reaction
Bracing
against the
fl oor
Forward
rotation
Reverse
rotation
Bracing against
a stud
Forward
rotation
Forward
rotation
Reaction
Bracing
against
your leg
Reaction
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.
7
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