Milwaukee 6177-20 User Manual
Cat. No.
No de cat.
6177-20
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
HEAVY-DUTY 14" ABRASIVE CUT-OFF MACHINE
EXTRA ROBUSTE TRONÇONNEUSE 355 mm (14") À DISQUE ABRASIF
SIERRA TRONZADORA ABRASIVA DE 355 mm (14"), HEAVY DUTY
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.
• Keep work area clean and well lit. Cluttered,
dark work areas invite accidents.
• Avoid dangerous environments. Do not use
your power tool in rain, damp or wet locations or in
the presence of explosive atmospheres (gaseous
fumes, dust or fl ammable materials). Remove
materials or debris that may be ignited by sparks.
• Keep bystanders away. Children and bystanders
should be kept at a safe distance from the work
area to avoid distracting the operator and contacting the tool or extension cord.
• Protect others in the work area from debris such
as chips and sparks. Provide barriers or shields
as needed.
• Make workshop child proof with padlocks,
master switches, or by removing starter keys.
ELECTRICAL SAFETY
WORK AREA SAFETY
• Grounded tools must be plugged into an outlet
properly installed and grounded in accordance
with all codes and ordinances. Never remove
the grounding prong or modify the plug in any way.
Do not use any adaptor plugs. Check with a qualifi ed electrician if you are in doubt as to whether
the outlet is properly grounded. If the tool should
electrically malfunction or break down, grounding
provides a low resistance path to carry electricity
away from the user.
• Double insulated tools are equipped with a
polarized plug (one blade is wider than the
other). This plug will fi t in a polarized outlet
only one way. If the plug does not fi t fully in
the outlet, reverse the plug. If it still does not
fi t, contact a qualifi ed electrician to install a
polarized outlet. Do not change the plug in any
way. Double insulation
the three wire grounded power cord and grounded
power supply system.
• Guard against electric shock. Prevent body contact with grounded surfaces such as pipes, radiators, ranges and refrigerators. When making blind
or plunge cuts, always check the work area for
hidden wires or pipes. Hold your tool by insulated
nonmetal grasping surfaces. Use a Ground Fault
Circuit Interrupter (GFCI) to reduce shock hazards.
• Do not expose to rain or use in damp locations.
• Do not abuse the cord. Never use the cord to
carry the tools or pull the plug from an outlet.
Keep cord away form heat, oil, sharp edges
or moving parts. Replace damaged cords immediately. Damaged cords increase the risk of
electric shock.
eliminates the need for
PERSONAL SAFETY
• Know your power tool. Read this manual carefully to learn your power tool’s applications and
limitations as well as potential hazards associated
with this type of tool.
• Stay alert, watch what you are doing, and
use common sense when operating a power
tool. Do not use tool while 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.
• Dress properly. Do not wear loose clothing or
jewelry. W ear a protective hair covering to contain
long hair. These may be caught in moving parts.
When working outdoors, wear rubber gloves and
insulated non-skid footwear. Keep hands and
gloves away from moving parts.
• Reduce the risk of unintentional starting. Be
sure your tool is turned off before plugging it in.
Do not use a tool if the power switch does not turn
the tool on and off. Do not carry a plugged-in tool
with your fi nger on the switch.
• Remove all adjusting keys and wrenches. Make
a habit of checking that adjusting keys, wrenches,
etc. are removed from the tool before turning it on.
• Do not overreach. Maintain control. Keep proper
footing and balance at all times. Maintain a fi rm
grip. Use extra care when using tool on ladders,
roofs, scaffolds, etc.
• Use safety equipment. Everyone in the work area
should wear safety goggles or glasses with side
shields complying with current safety standards.
Everyday eyeglasses only have impact resistant
lenses. They are not safety glasses. Wear hearing
protection during extended use and a dust mask
for dusty operations. Hard hats, face shields,
safety shoes, etc. should be used when specifi ed
or necessary. Keep a fi re extinguisher nearby.
• Keep guards in place and in working order.
• Never stand on tool. Serious injury could occur if
the tool is tipped or if the cutting tool is unintentionally contacted.
• Keep hands away from all cutting edges and
moving parts.
POWER TOOL USE AND CARE
• Secure work. Use a clamp, vise or other practical
means to hold your work securely, freeing both
hands to control the tool.
• Do not force tool. Your tool will perform best at
the rate for which it was designed. Excessive force
only causes operator fatigue, increased wear and
reduced control.
• Use the right tool. Do not use a tool or attachment to do a job for which it is not recommended.
For example, do not use a circular saw to cut tree
limbs or logs. Do not alter a tool.
• Unplug tool when it is not in use, before changing
accessories or performing recommended maintenance.
• Store idle tools. When not in use, store your tool in
a dry, secured place. Keep out of reach of children.
• Never leave the tool running unattended. Turn
power off. Do not leave the tool until it comes to a
complete stop.
2
• Check for damaged parts. Inspect guards and
other parts before use. Check for misalignment,
binding of moving parts, improper mounting,
broken parts and any other conditions that may
affect operation. If abnormal noise or vibration
occurs, turn the tool off immediately and have the
problem corrected before further use. Do not use
a damaged tool. Tag damaged tools “DO NOT
USE” until repaired. A guard or other damaged
part should be properly repaired or replaced by a
MILWAUKEE service facility . For all repairs, insist
on only identical replacement parts.
• Use proper accessories. Consult this manual
for recommended accessories. Using improper
accessories may be hazardous. Be sure accessories are properly installed and maintained. Do
not defeat a guard or other safety device when
installing an accessory or attachment.
• Maintain tools carefully. Keep handles dry,
clean and free from oil and grease. Keep cutting
edges sharp and clean. Follow instructions for
lubricating and changing accessories. Periodically
inspect tool cords and extension cords for damage.
Have damaged parts repaired or replaced by a
MILWAUKEE service facility.
• Maintain labels & nameplates. These carry important information. If unreadable or missing, contact a
MILWAUKEE service facility for a free replacement.
SERVICE
• Tool service must be performed only by quali-
fi ed repair personnel. Service or maintenance
performed by unqualifi ed personnel may result in
a risk of injury.
• When servicing a tool, use only identical
replacement parts. follow instructions in the
maintenance section of this manual. Use of
unauthorized parts or failure to follow maintenance
instructions may create a risk of shock or injury.
SPECIFIC SAFETY RULES
WARNING T o reduce the risk of injury ,
avoid inhalation of dust generated by
grinding and cutting operations. Exposure
to dust may cause respiratory ailments.
Use approved NIOSH or OSHA respirators,
safety glasses or face shields, gloves and
protective clothing. Provide adequate
ventilation to eliminate dust, or to maintain
dust level below the Threshold Limit Value for
nuisance dust as classifi ed by OSHA.
• 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.
Wheel Instructions
• Use only the edge (not the sides) of the wheel for
cutting. Do not allow the wheel to twist or bind.
• Keep hands and body away from the rotating wheel.
Do not wear loose clothing when using this tool.
• Store cut-off wheels with care. Do not drop them or
subject them to excessive heat, cold or humidity.
• Make sure that all wheel fl anges and other mount-
ing hardware are in good condition and are always
used properly. Defective or missing parts may
cause damage to the wheel. Always use mounting
fl anges supplied with the tool.
• Cutting with a damaged wheel is very hazardous. After installing a new wheel, leave the tool
unplugged and rotate the wheel by hand to see
if it is uneven, warped, or cracked. If so, discard
the wheel and replace it with a new one. Do not
use a wheel that has been dropped; impact may
result in breakage.
• Before starting a cut, step back from the tool and
make a trial run to confi rm that the wheel is in good
condition. Trial run periods are:
When replacing a cut-off wheel — over 3 minutes.
When starting routine work — over 1 minute.
• Never try to remove or clamp the workpiece to the
tool while the cut-off wheel is rotating.
• Before installing a cut-off wheel, always inspect
it for cracks. Visually check resinoid and rubberbonded wheels for cracks. Replace cracked wheel
immediately.
• Always check maximum operating speed established for wheel against machine speed. Do not
exceed the maximum operating speed that is
marked on the wheel.
• Do not force a wheel onto the machine or alter the
size of the arbor hole. Don’t use a wheel that fi ts
the arbor too loosely. If the wheel doesn’t fi t the
machine, get one that does.
• Do not attempt to install saw blades on this tool
because it is not designed for this type of blade.
• Do not overtighten wheel nut.
Machine Instructions
• Start cutting only after the motor has reached full
speed.
• Release switch immediately if the cut-off wheel
stops rotating or if the motor sounds like it is straining.
• Keep fl ammable and fragile objects away from
this tool. Do not allow cut-off sparks to contact the
operator’s hands, face or feet.
• Place the tool securely on a fl at, level surface.
• Always use the tool with the proper voltage speci-
fi ed on the tool’s nameplate.
• Never touch a short cut-off piece until it cools.
• Never attempt to cut material larger than the rated
capacity listed in “Specifi cations”.
• Never stand in line with the wheel while cutting.
Always stand to the side.
• Always keep guards in place.
• Always start the cut gently. Do not bump or bang
a wheel to start a cut.
• Never make any freehand cuts. Always place the workpiece between the vise and fence when making cuts.
3
GROUNDING
WARNING Improperly connecting the
grounding wire can result in the risk of
electric shock. Check with a qualifi ed electri-
cian if you are in doubt as to whether the
outlet is properly grounded. Do not modify
the plug provided with the tool. Never remove
the grounding prong from the plug. Do not
use the tool if the cord or plug is damaged. If
damaged, have it repaired by a MILWAUKEE
service facility before use. If the plug will not
fi t the outlet, have a proper outlet installed by
a qualifi ed electrician.
Grounded Tools: T ools with Three Prong Plugs
Tools marked “Grounding Required” have a three
wire cord and three prong grounding plug. The
plug must be connected to a properly grounded
outlet (See Figure A). If the tool should electrically
malfunction or break down, grounding provides a
low resistance path to carry electricity away from
the user, reducing the risk of electric shock.
The grounding prong in the plug is connected
through the green wire inside the cord to the
grounding system in the tool. The green wire in the
cord must be the only wire connected to the tool's
grounding system and must never be attached to
an electrically “live” terminal.
Y our tool must be plugged into an appropriate outlet, properly installed and grounded in
accordance with all codes and ordinances. The plug and outlet should
look like those in Figure A.
Double Insulated Tools: Tools
with Two Prong Plugs
Tools marked “Double Insulated” do not require
grounding. They have a special double insulation system which satisfi es OSHA requirements
and complies with the applicable standards of
Underwriters Laboratories, Inc., the
Canadian Standard Association and
the National Electrical Code. Double
Insulated tools may be used in either of the 120 volt outlets shown in
Figures B and C.
Fig. A
Fig. B
Fig. C
EXTENSION CORDS
Grounded tools require a three wire extension
cord. Double insulated tools can use either a two
or three wire extension cord. As the distance from
the supply outlet increases, you must use a heavier
gauge extension cord. Using extension cords with
inadequately sized wire causes a serious drop in
voltage, resulting in loss of power and possible tool
damage. Refer to the table shown to determine the
required minimum wire size.
The smaller the gauge number of the wire, the
greater the capacity of the cord. For example, a 14
gauge cord can carry a higher current than a 16
gauge cord. When using more than one extension
cord to make up the total length, be sure each cord
contains at least the minimum wire size required. If
you are using one extension cord for more than one
tool, add the nameplate amperes and use the sum
to determine the required minimum wire size.
Guidelines for Using Extension Cords
• If you are using an extension cord outdoors,
be sure it is marked with the suffi x “W-A” (“W”
in Canada) to indicate that it is acceptable for
outdoor use.
• Be sure your extension cord is properly wired
and in good electrical condition. Always replace
a damaged extension cord or have it repaired by
a qualifi ed person before using it.
• Protect your extension cords from sharp objects,
excessive heat and damp or wet areas.
Recommended Minimum Wire Gauge
* Based on limiting the line voltage drop to fi ve volts
at 150% of the rated amperes.
for Extension Cords*
Nameplate
Amperes
0 - 2.0
2.1 - 3.4
3.5 - 5.0
5.1 - 7.0
7.1 - 12.0
12.1 - 16.0
16.1 - 20.0
Extension Cord Length
25'
18
18
18
18
16
14
12
50'
18
18
18
16
14
12
10
75'
18
18
16
14
12
10
100'
18
16
14
12
10
150'
16
14
12
12
READ AND SAVE ALL
INSTRUCTIONS FOR FUTURE USE.
SPECIFICATIONS
Cat. No.
6177-20 120 15 3900 14" 4300 3/32” 1" 5" 2-15/16" x 9" 4-5/8" x 4-5/8"
Volts
AC A
No Load
RPM
Tool Max. Capacities at 90°
Wheel
Size
Min. Wheel
RPM Rating
Wheel
Thickness
Arbor
Hole Size
O.D.
Rectangular
Pipe
Stock
Sq.
Tubing
FUNCTIONAL DESCRIPTION
14
15
17
16
2
1
8
9
SYMBOLOGY
Double Insulated
Volts
Alternating/Direct Current
Amps
No Load Revolutions per
Minute (RPM)
Underwriters Laboratories, Inc.
United States and Canada
Do not use toothed blades.
Do not expose to rain or use in
damp locations.
10
3
4
5
1. Carrying handle
2. Upper guard
3. Handle
4. Trigger lock hole
5. Trigger
6
6. Lower guard
7. Abrasive cut-off wheel
8. Depth adjustment bolt
9. Adjustable fence
10. Vise clamp
7
11
11. Lock lever
12. Vise handle
13. Base
14. Wrench
15. Lock down pin
12
16. Spindle lock button
13
17. Cord
ASSEMBLY
WARNING T o reduce the risk of injury ,
always unplug tool before attaching
or removing accessories or making adjustments. Use only specifi cally recommended
accessories. Others may be hazardous.
Raising and Lowering the Head
The head must be locked down for transporting
and storing the tool.
To unlock, press head down and pull out the lock
down pin.
To lock, press head down and push in the lock
down pin.
WARNING T o reduce the risk of injury ,
use only the proper wheel for this machine. DO NOT USE ANY TYPE OF SA W BLADE.
Removing and Installing Cut-Off Wheels
Use only MILWAUKEE 14" Abrasive Cut-Off
Wheels, 3/32” thick with this tool. Before operating
the tool, make sure the wheel is in good condition
as described in the “Specifi c Safety Rules”.
To change wheels:
1. Unplug the tool.
2. Raise the head.
4
5
3. Push up the lower guard to expose the hex bolt.
Press in the spindle lock button and use the
wrench provided to loosen the hex bolt (counterclockwise).
4. Remove the hex bolt, washer, outer fl ange and
cut-off wheel. Do not remove the inner fl ange.
5. Check the inner and outer fl anges to be sure
they are in good condition. Remove any nicks,
burrs, and debris from the mounting hardware,
which could cause uneven cutting pressure and
result in wheel damage.
6. Install the cut-off wheel, outer fl ange, washer,
and hex bolt onto the spindle, as shown.
Inner
fl ange
Outer
fl ange
Washer
Spindle
Abrasive cut-off
wheel
Hex
bolt
Raising and Lowering the Head
The head must be locked down for transporting
and storing the tool.
To unlock, press head down and pull out the lock
down pin.
To lock, press head down and push in the lock
down pin.
Removing and Installing Cut-Off Wheels
Use only MILWAUKEE 14" Abrasive Cut-Off
Wheels, 3/32” thick with this tool. Before operating
the tool, make sure the wheel is in good condition
as described in the “Specifi c Safety Rules”.
To change wheels:
1. Unplug the tool.
2. Raise the head.
3. Push up the lower guard to expose the hex bolt.
Press in the spindle lock button and use the
wrench provided to loosen the hex bolt (counterclockwise).
4. Remove the hex bolt, washer, outer fl ange and
cut-off wheel. Do not remove the inner fl ange.
5. Check the inner and outer fl anges to be sure
they are in good condition. Remove any nicks,
burrs, and debris from the mounting hardware,
which could cause uneven cutting pressure and
result in wheel damage.
6. Install the cut-off wheel, outer fl ange, washer,
and hex bolt onto the spindle, as shown.
7. Press in the spindle lock button while using the
wrench provided to tighten the hex bolt (clockwise).
8. Release the lower guard.
9. Before starting a cut, step back from the tool
and make a trial run to confi rm that the wheel
is in good condition. Before using a new cut-off
wheel, run the tool for at least 3 minutes. Before
starting work, run the tool for at least 1 minute.
Adjusting the Depth of Cut
The depth adjustment bolt can be adjusted to
change the depth of cut. When adjusted properly,
the depth adjustment bolt prevents the cut-off wheel
from contacting the surface under the base during
cutting. Cut-off wheels wear down as they are used
and the depth of cut may need to be increased.
To adjust the depth of cut:
1. Unplug the tool.
2. Use the wrench provided to loosen the hex nut.
3. Adjust the depth adjustment bolt to the desired
height.
4. Tighten the hex nut.
Supporting the Workpiece and Adjusting the
Vise and Fence System
The adjustable vise and fence system holds the
workpiece in the desired position. The vise plate
and fence can be moved backward or forward
and can be adjusted to any angle between 90°
and 45°.
When adjusting the system,
the vise and fence should be
positioned so the centerline
of the wheel hub is in line with
Center
line
Cutting
or behind the centerline of the
workpiece, toward the rear of
the tool. The workpiece should
be resting fl ush with the base
of the cut-off machine.
To adjust the fence:
1. Use the wrench provided to
loosen (counterclockwise)
the two fence bolts.
2. Adjust the position and angle
of the fence as desired.
Typical
materials
3. Securely tighten (clockwise) the two fence bolts.
Alternate
fence
locations
Fence
bolts
Fence
Vise plate
Lock lever
Vise
handle
To adjust the vise:
1. Pull the lock lever back.
2. Pull the vise handle out.
3. Place the workpiece fl at on the base and against
the fence.
4. Push down the lock lever.
5. Slide in the vise handle to press the vise plate
againce the workpiece.
6. Turn the vise handle clockwise to tighten the vise
plate against the workpiece.
6
area
OPERATION
WARNING T o reduce the risk of injury ,
always unplug tool before attaching
or removing accessories or making adjustments. Use only specifi cally recommended
accessories. Others may be hazardous.
WARNING T o reduce the risk of injury ,
wear safety goggles or glasses with side
shields.
Selecting a Workpiece
The MILWAUKEE Abrasive Cut-Off Machine is
designed to cut steel and concrete. It is not recommended for cutting wood. Do not attempt to install
a saw blade on the tool.
Starting and Stopping the Tool
1. Plug in the tool.
2. To start the tool, pull the trigger.
3. To stop the tool, release the trigger.
Making a Cut
1. Unplug the tool.
2. Select a cutting angle and position the fence and
vise to support the workpiece (see “Supporting
the Workpiece and Adjusting the V ise and Fence
System”).
3. Plug in the tool.
4. Before starting a cut, step back from the tool
and make a trial run to confi rm that the wheel
is in good condition. Before using a new cut-off
wheel, run the tool for at least 3 minutes. Before
starting work, run the tool for at least 1 minute.
5. Allow the motor to reach full speed. Slowly lower
the wheel into the workpiece.
NOTE: Always start the cut gently; do not bang
or bump a wheel when starting the cut. For the
safest and most effi cient cutting, make sure
that the cut-off wheel contacts the center of the
workpiece.
6. When the cut is complete, raise the wheel completely from the workpiece before releasing the
trigger and allowing the motor to stop.
Trigger Hole Lock-Off
The trigger hole allows the user to insert a padlock. This prevents the tool from being started
unintentionally.
ACCESSORIES
WARNING T o reduce the risk of injury ,
always unplug the tool before attaching
or removing accessories. Use only specifi -
cally recommended accessories. Others may
be hazardous.
For a complete listing of accessories refer to your
MILWAUKEE Electric Tool catalog or go on-line
to www.milwaukeetool.com. To obtain a catalog,
contact your local distributor or a service center.
MAINTENANCE
WARNING T o reduce the risk of injury ,
always unplug your tool before performing any maintenance. Never disassemble the tool or try to do any rewiring
on the tool’s electrical system. Contact a
MILWAUKEE service facility for ALL repairs.
Maintaining Tools
Keep your tool in good repair by adopting a regular
maintenance program. Before use, examine the general condition of your tool. Inspect guards, switches,
tool cord set and extension cord for damage. Check
for loose screws, misalignment, binding of moving
parts, improper mounting, broken parts and any
other condition that may affect its safe operation. If
abnormal noise or vibration occurs, turn the tool off
immediately and have the problem corrected before
further use. Do not use a damaged tool. T ag damaged
tools “DO NOT USE” until repaired (see “Repairs”).
Under normal conditions, relubrication is not necessary until the motor brushes need to be replaced.
After six months to one year, depending on use,
return your tool to the nearest MILWAUKEE service
facility for the following:
• Lubrication
• Brush inspection and replacement
• Mechanical inspection and cleaning (gears,
spindles, bearings, housing, etc.)
• Electrical inspection (switch, cord, armature, etc.)
• T esting to assure proper mechanical and electrical
operation
WARNING T o reduce the risk of injury ,
electric shock and damage to the tool,
never immerse your tool in liquid or allow a
liquid to fl ow inside the tool.
Cleaning
Clean dust and debris from vents. Keep the tool
handles clean, dry and free of oil or grease. Use
only mild soap and a damp cloth to clean your tool
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
If your tool is damaged, return the entire tool to the
nearest service center.
7
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