Milwaukee 2677-20 Operator's Manual
Cat. No. / No de cat.
2677-20
M18™ 6-TON KNOCKOUT TOOL
OUTIL DE PERFORATION 6 TONNES M18™
HERRAMIENTA PERFORADORA M18™ DE 6 TONELADAS
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
WARNING To reduce the risk of injury, user must read and understand operator's manual.
AVERTISSEMENT Afi n 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.
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GENERAL POWER TOOL
SAFETY WARNINGS
WARNING
Read all safety warnings, instructions, illustrations and specifi ca-
tions provided with this power tool. Failure to follow
all instructions listed below may result in electric shock,
fi re and/or serious injury. Save all warnings and in-
structions for future reference. The term "power tool"
in the warnings refers to your mains-operated (corded)
power tool or battery-operated (cordless) power tool.
WORK AREA SAFETY
• 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
• 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. Un-
modifi 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 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
infl uence of drugs, alcohol or medication. A mo-
ment 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 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 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 at-
tached 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 col-
lection 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 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 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 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.
• 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 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 designated
battery packs. Use of any other battery packs may
create a risk of injury and fi 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 fi re.
• Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact accidentally occurs, fl ush with water. If liquid con-
tacts 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 modifi ed. Damaged or modifi ed batteries may
exhibit unpredictable behavior resulting in fi re, explo-
sion or risk of injury.
• Do not expose a battery pack or tool to fi re or ex-
cessive temperature. Exposure to fi re or temperature
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 specifi ed in the instructions. Charging im-
properly or at temperatures outside the specifi ed range
may damage the battery and increase the risk of fi re.
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.
• Never service damaged battery packs. Service of
battery packs should only be performed by the manufacturer or authorized service providers.
SPECIFIC SAFETY RULES FOR
KNOCKOUT TOOL
• Use tool only as directed. Only trained personnel
should operate tool.
• Do not use in or near live electrical panels. Only
work on de-energized electrical panels. Disconnect all
electrical current before use to avoid the risk of electric
shock.
• Keep hands away from knockout die and punch
while tool is in use. Fingers could be crushed or
severed.
• To reduce the risk of injury, wear safety goggles or
glasses with side shields. Before use, inspect and
discard workpieces and accessories with cracks
or damage. Shards from weakened metal could cause
injury.
• Avoid contact with punched metal edges. Edges
may be sharp and could cause injury.
• Do not attempt to punch through more than one
layer of material at a time. Punching through multiple
layers could cause the material and accessories to
warp break, throwing shards that could cause injury.
• Use tool only with knockout dies and punches
rated for the peak output force of this tool. Other
uses may cause injury or damage to the tool, accessories, and workpiece.
• Maintain labels and nameplates. These carry im-
portant information. If unreadable or missing, contact
a MILW AUKEE 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.
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
fi lter out microscopic particles.
FUNCTIONAL DESCRIPTION
1. Release button
2. Handle
3. LED
4. Lock button
5. Trigger
6. Cylinder
7. Piston (inside cylinder)
8. Coupler
9. Quick connect anvil
assembly
10. Quick connect sleeve
11. Ball pull
12. Draw stud
13. Die
14. Punch
1
3
7
4
5
10
8
9
11
12
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SPECIFICATIONS
Cat. No. .....................................................2677-20
Volts ..............................................................18 DC
Battery Type .................................................M18™
Charger Type ................................................M18™
Peak Output Force ....................................6.7 Tons
Material Capacities *................................................
2" Conduit......................... 10 ga Mild Steel
4" Conduit ................................12 ga Mild Steel
2" Conduit ........................12 ga Stainless Steel
3" Conduit ........................14 ga Stainless Steel
*See chart on back of manual
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Installing/Removing the Draw Stud
In some circumstances, such as working in tight
spaces, it may be necessary to use the Knockout
Tool without the quick connect assembly.
1. Remove the battery pack.
2. Remove the quick connect assembly.
3. Screw the draw stud directly into the piston. Hand
tighten securely.
4. To remove the draw stud, unscrew from the piston
OPERATION
WARNING
Always remove battery pack before
changing or removing accessories. Only use accessories specifi cally recom-
mended for this tool. Others may be hazardous.
To reduce the risk of injury, wear safety goggles
or glasses with side shields.
To reduce the risk of injury, ensure all threads
are hand-tightened securely before operating
knockout tool.
Punching
• Before beginning a punch, inspect and discard mate-
rial and accessories with cracks or other damage.
• Before beginning a punch, check the fuel gauge to
determine whether the battery charge is suffi cient
to complete the operation.
• Do not attempt to punch through more than one
layer of material at a time.
• Press the release button on the tool to ensure it is
ready for operation.
• After 5000 punches, return the tool to a MILWAUKEE
service facility for inspection and maintenance.
Preparing the Material
1. Select the appropriate punch, die and draw stud
for the application. See "Accessories" for chart.
2. Draw cross-hairs to mark the exact location of the
pilot hole.
3. Drill the pilot hole slightly larger than the draw stud.
Using the Quick Connect Assembly
4. Slide the draw stud through the die,
then through the material.
5. Place the punch under/behind the
material and screw onto the draw
stud.
6. Line up cross hairs on the die with
those used to locate the pilot hole
on the material. Tighten the punch
and die securely against each side
of the material to hold the assembly
in place.
7. Rotate the quick connect sleeve to
access the opening in the coupler.
8. Slide the coupler around the ball
pull.
9. Rotate the sleeve to lock the ball
pull into the coupler.
Punching the Material
10. Grasp the handle fi rmly and ensure hands and
body are away from the punch and die.
11. Pull the trigger.
12. When the operation is complete, release the trigger.
13. Push the release button.
14. Rotate the quick connect sleeve and remove the
ball pull from the coupler.
15. Unscrew the punch from the draw stud and re-
move the material. Use caution as the material
edges may be sharp.
Punching without the Quick Connect Assembly
1. Prepare the material as above.
2. Slide the draw stud through the die, then through
the material.
3. Place the punch under/behind the material and
screw onto the draw stud.
4. Line up cross hairs on the die with those used to
locate the pilot hole on the material. Tighten the
punch and die securely against each side of the
material to hold the assembly in place.
5. Grasp the handle fi rmly and ensure hands and
body are away from the punch and die.
6. Pull the trigger.
7. When the operation is complete, release the trigger.
8. Push the release button.
9. Unscrew the punch from the draw stud and remove
the material. Use caution as the material edges
may be sharp.
MAINTENANCE
WARNING
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.
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 MIL W AUKEE
service facility for:
• Lubrication
• Mechanical inspection and cleaning (gears, spin-
dles, 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.
SYMBOLOGY
Volts
Direct Current
C
US
Underwriters Laboratories, Inc.
United States and Canada
WARNING
Risk of electric shock.
Do not use in or near
live electrical panels.
WARNING
Keep hands away
from punch and die.
Fingers could be crushed or severed.
Release button
Always wear eye protection
Read Operator's Manual
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.
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 recom-
mended for this tool. Others may be hazardous.
Installing/Removing the
Quick Connect Assembly
The Knockout Tool can be used
with the quick connect assembly,
or with the draw stud screwed
directly into the tool.
1. Remove the battery pack.
2. Screw the coupler into the
piston. Hand-tighten securely.
3. Place the Quick connect as-
sembly over the collar of the
tool. Pull back on the sleeve
and slide over the collar. Release the sleeve.
4. Screw the draw stud into the ball
pull. Hand-tighten securely.
5. To remove the quick connect
assembly, reverse the procedure.
WARNING
To reduce the risk of personal in-
jury 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 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 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 recom-
mended for this tool. Others may be hazardous.
For a complete listing of accessories, go online to
www.milwaukeetool.com or contact a local distributor .
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
Register your tool at www.milwaukeetool.com...
• to receive important notifi cations regarding your
purchase
• to ensure that your tool is protected under the warranty
• to become a Heavy Duty club member
SERVICE - CANADA
Milwaukee Tool (Canada) Ltd
1.800.268.4015
Monday-Friday, 7:00 AM - 4:30 PM CST
or visit www.milwaukeetool.ca
LIMITED W ARRANTY
USA & CANADA
Every MILWAUKEE power tool (including cordless
product – tool, battery pack(s) - see separate & distinct CORD-
LESS BATTERY 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 MIL W AUKEE
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, M18™
Power Source, Jobsite Fan and Trade Titan™ Industrial Work 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
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