D28065N
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INSTRUCTION MANUAL
GUIDE D'UTILISATION
MANUAL DE INSTRUCCIONES
INSTRUCTIVO DE OPERACION, CENTROS DE SERVICIO Y POLIZA DE
GARANT[A. ADVERTENOIA: LEASE ESTE INSTRUCTIVO ANTES DE
USAR EL PRODUCTO.
E ®
D28065, D28065N, D28115, D28115N
Heavy-Duty Angle Grinders
Meuleuses & renvoi d'angle de type industriel
Esmeriladoras de &ngulo para trabajo pesado
Definitions: Safety Guidelines
The definitions below describe the level of severity br each
signal word. Please read the manual and pay attention to these
symbols.
_DANGER: Indicates an imminently hazardous situation
which, if not avoided, will result in death or serious injury.
i_WARNING: Indicates a potentially hazardous situation
which, if not avoided, could result in death or serious injury.
i_,CAUTION: Indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate injury.
NOTICE: Indicates a practice not related to personal injury
which, if not avoided, may result in property damage.
IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS OR
ANY DEWALT TOOL, CALL US TOLL FREE AT: 1-800-4-DEWALT
(1-800-433-9258}.
_ ARNING: To reduce the risk of injury, read the instruction
manual.
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, fire 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.
1) WORK AREA SAFETY
a) Keep work area clean and well lit. Cluttered or dark areas
invite accidents.
b) Do not operate power tools in explosive atmospheres,
such as in the presence of flammable liquids, gases or
dust. Power tools create sparks which may ignite the dust or
fumes.
c) Keep children and bystanders away while operating a
power tool Distractions can cause you to lose control
2} ELECTRICAL SAFETY
a) 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. Unmodified plugs and
matching outlets will reduce risk of electric shock.
b) 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.
c) Do not expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of electric
shock.
d) 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.
e) 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.
f) If operating a powertool in a damp location isunavoidable,
use a ground fault circuit interrupter (GFCI) protected
supply. Use of a GFC/ reduces the risk of electric shock.
3) PERSONAL SAFETY
a) 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 influence of drugs,
alcohol or medication. A moment of inattention while
operating power tools may result in serious personal injury.
b) 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.
c) 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 finger on the switch or energizing power
tools that have the switch on invites accidents.
d) 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.
e) Do not overreach. Keep proper footing and balance at
all times. This enables better control of the power tool in
unexpected situations.
f) Dress properly. Do not wear loose clothing or jewelry.
Keep your hair, clothing and gloves away from moving
parts. Loose clothes, jewelry or long hair can be caught in
moving parts.
g) 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.
4) POWER TOOL USE AND CARE
a) 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.
b) 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.
c) 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.
d) 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.
e) 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
g) 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.
5) SERVICE
a) Have your power tool serviced by a qualified repair
person using only identical replacement parts. This will
ensure that the safety of the power tool is maintained.
SAFETY INSTRUCTIONS FOR
ALL OPERATIONS
Safety Warnings Common for Grinding,
Sanding, Wire Brushing, Polishing or
Abrasive, Cutting-Off Operations
a) This power tool is intended to function as a grinder,
sander, wire brush, polisher or cut-off tooL Read all safety
warnings, instructions, illustrations and specifications
provided with this power tool Failure to follow a//instructions
listed below may result in electric shock, fire and/or serious
injury.
b) Do not use accessories which are not specifically
designed and recommended by the tool manufacturer.
Just because the accessory can be attached to your power
tool, it does not assure safe operation.
c) The rated speed of the accessory must be at least
equal to the maximum speed marked on the power tool
Accessories running faster than their rated speed can break
and fly apart.
d) The outside diameter and the thickness of your accessory
must be within the capacity rating of your power tool
Incorrectly sized accessories cannot be adequately guarded or
controlled.
e) The arbor size of wheels, flanges, backing pads or
any other accessory must properly fit the spindle of
the power tool Accessories with arbor holes that do not
match the mounting hardware of the power too/wi//run out of
balance, vibrate excessively and may cause loss of control
Do not use a damaged accessory. Before each use
inspect the accessory such as abrasive wheels for chips
and cracks, backing pad for cracks, tear or excess wear,
wire brush for loose or cracked wires. If power tool or
accessory is dropped, inspect for damage or install an
undamaged accessory. After inspecting and installing an
accessory, position yourself and bystanders away from
the plane of the rotating accessory and run the power
tool at maximum no-load speed for one minute. Damaged
accessories will normally break apart during this test time.
g) Wear personal protective equipment. Depending on
application, use face shield, safety goggles or safety
glasses. As appropriate, wear dust mask, hearing
protectors, gloves and workshop apron capable of
stopping small abrasive or workpiece fragments. The eye
protection must be capable of stopping flying debris generated
by various operations. The dust mask or respirator must be
capable of filtrating particles generated by your operation.
Prolonged exposure to high intensity noise may cause hearing
loss.
h) Keep bystanders a safe distance away from work area.
Anyone entering the work area must wear personal
protective equipment. Fragments of workpiece or of a
broken accessory may fly away and cause injury beyond
immediate area of operation.
i) Hold power tool by insulated gripping surfaces only,
when performing an operation where the cutting
accessory 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 electrical shock.
j) Position the cord clear of the spinning accessory./f you
lose control, the cord may be cut or snagged and your hand or
arm may be pulled into the spinning accessory.
k) Never lay the power tool down until the accessory has
come to a complete stop. The spinning accessory may grab
the surface and pull the power tool out of your control
I) Do not run the power tool while carrying it at your side.
Accidental contact with the spinning accessory could snag
your clothing, pulling the accessory into your body.
m) Regularly clean the power tool's air vents. The motor's
fan will draw the dust inside the housing and excessive
accumulation of powdered metal may cause electrical hazards.
n) Do not operate the power tool near flammable materials.
Sparks could ignite these materials.
o) Do not use accessories that require liquid coolants.
Using water or other liquid coolants may result in electrocution
or shock.
Causes and Operator Prevention
of Kickback
Kickback is a sudden reaction to a pinched or snagged rotating
wheel, backing pad, brush or any other accessory. Pinching or
snagging causes rapid stalling of the rotating accessory which
in turn causes the uncontrolled power tool to be fomed in the
direction opposite of the accessory's rotation at the point of the
binding.
For example, if an abrasive wheel is snagged or pinched by the
workpiece, the edge of the wheel that is entering into the pinch
point can dig into the surface of the material causing the wheel
to climb out or kick out. The wheel may either jump toward or
away from the operator, depending on direction of the wheel's
movement at the point of pinching. Abrasive wheels may also
break under these conditions.
Kickback is the result of power tool misuse and/or incorrect
operating procedures or conditions and can be avoided by taking
proper precautions as given below."
a) Maintain a firm grip on the power tool and position your
body and arm to allow you to resist kickback forces.
Always use auxiliary handle, if provided, for maximum
control over kickback or torque reaction during start up.
The operator can control torque reaction or kickback forces, if
proper precautions are taken.
b) Never place your hand near the rotating accessory.
Accessory may kickback over your hand.
c) Do not position your body in the area where power tool
will move if kickback occurs. Kickback will propel the tool
in direction opposite to the wheel's movement at the point of
snagging.
d) Use special care when working corners, sharp edges etc.
Avoid bouncing and snagging the accessory. Corners,
sharp edges or bouncing have a tendency to snag the rotating
accessory and cause loss of control or kickback.
e) Do not attach a saw chain woodcarving blade or toothed
saw blade. Such blades create frequent kickback and loss of
control
Safety Warnings Specific for Grinding and
Abrasive Cutting-Off Operations
a) Use only wheel types that are recommended for your
power tool and the specific guard designed for the
selected wheel Wheels for which the power tool was not
designed cannot be adequately guarded and are unsafe.
b) The guard must be securely attached to the power tool
and positioned for maximum safety, so the least amount
of wheel is exposed towards the operator. Theguard helps
to protect operator from broken wheel fragments, accidental
contact with wheel, and sparks that could ignite clothing.
c)Wheels must be used only for recommended applications.
For example: do not grind with the side of cut-off wheel.
Abrasive cut-off wheels are intended for peripheral grinding,
side forces applied to these wheels may cause them to shatter.
d) Always use undamaged wheel flanges that are of correct
size and shape for your selected wheel. Proper wheel
flanges support the wheel thus reducing the possibility of wheel
breakage. Flanges for cut-off wheels may be different from
grinding wheel flanges.
e) Do not use worn down wheels from larger power tools.
Wheel intended for larger power tool is not suitable for the
higher speed of a smaller tool and may burst.
Additional Safety Warnings Specific for
Abrasive Cutting-Off Operations
a) Do not 'yam" the cut-off wheel or apply excessive
pressure. Do not attempt to make an excessive depth
of cut. Overstressing the wheel increases the loading and
susceptibility to twisting or binding of the wheel in the cut and
the possibility of kickback or wheel breakage.
b) Do not position your body in line with and behind the
rotating wheel. When the wheel, at the point of operation, is
moving away from your body, the possible kickback may propel
the spinning wheel and the power tool directly at you.
c) When wheel is binding or when interrupting a cut for any
reason, switch off the power tool and hold the power
tool motionless until the wheel comes to a complete
stop. Never attempt to remove the cut-off wheel from
the cut while the wheel is in motion otherwise kickback
may occur. Investigate and take corrective action to eliminate
the cause of wheel binding.
d) Do not restart the cutting operation in the workpiece.
Let the wheel reach full speed and carefully reenter the
cut. The wheel may bind, walk up or kickback if the power tool
is restarted in the workpiece.
e) Support panels or any oversized workpiece to minimize
the risk of wheel pinching and kickback. Large workpieces
tend to sag under their own weight. Supports must be placed
under the workpiece near the line of cut and near the edge of
the workpiece on both sides of the wheel
Use extra caution when making a "pocket cut" into
existing walls or other blind areas. The protruding wheel
may cut gas or water pipes, electrical wiring or objects that can
cause kickback.
Safety Warnings Specific for Sanding
Operations
a) Do not use excessively oversized sanding disc paper.
Follow manufacturers recommendations, when selecting
sanding paper. Larger sanding paper extending beyond the
sanding pad presents a laceration hazard and may cause
snagging, tearing of the disc or kickback.
Safety Warnings Specific for Polishing
Operations
a) Do not allow any loose portion of the polishing bonnet
or its attachment strings to spin freely. Tuck away or
trim any loose attachment strings. Loose and spinning
attachment strings can entangle your fingers or snag on the
workpiece.
Safety Warnings Specific for Wire
Brushing Operations
a) Be aware that wire bristles are thrown by the brush even
during ordinary operation. Do not overstress the wires
by applying excessive load to the brush. The wire bristles
can easily penetrate light clothing and/or skin.
b) If the use of a guard is recommended for wire brushing,
do not allow any interference of the wire wheel or brush
with the guard. Wire wheel or brush may expand in diameter
due to work load and centrifugal fomes.
Additional Safety Rules for Grinders
i_ WARNING: The grinding wheel or accessory may loosen
during coast-down of the tool when shut off. if grinding wheel
or accessory loosens, it may dismount from the machine and may
cause serious personal injury.
• Use of accessories not specified in this manual is not
recommended and may be hazardous. Use of power boosters
that would cause the tool to be driven at speeds greater than its
rated speed constitutes misuse.
• Use clamps or anotherpractical way to secure and support
the workpiece to a stable platform. Holding the work by hand
or against your body leaves it unstable and may lead to loss of
control
• Avoid bouncing the wheel or giving it rough treatment. If this
occurs, stop the tool and inspect the wheel for cracks or flaws.
• Always handle and store wheels in a careful manner.
• Never cut into area that may contain electrical wiring or
piping. Serious injury may result.
• Do not operate this tool for long periods of time. Vibration
caused by the operating action of this tool may cause permanent
injury to fingers, hands, and arms. Use gloves to provide extra
cushion, take frequent rest periods, and limit daily time of use.
• Do not use Type 11 (flaring cup) wheels on this tool. Using
inappropriate accessories can result in injury.
• Always use side handle. Tighten the handle securely. The
side handle should always be used to maintain control of the tool
at all times.
• Air vents often cover moving parts and should be avoided.
Loose clothes, jewelry or long hair can be caught in moving parts.
• An extension cord must have adequate wire size (AWG
or American Wire Gauge) for safety. The smaller the gauge
number of the wire, the greater the capacity of the cable, that is
16 gauge has more capacity than 18 gauge. An undersized cord
will cause a drop in line voltage resulting in loss of power and
overheating. When using more than one extension to make up the
total length, be sure each individual extension contains at least the
minimum wire size. The following table shows the correct size to
use depending on cord length and nameplate ampere rating. If in
doubt, use the next heavier gauge. The smaller the gauge number,
the heavier the cord.
Minimum Gauge for Cord Sets
Volts
Ampere Rating
More Not More
Than Than
0 6 18 16 16 14
6 10 18 16 14 12
10 12 16 16 14 12
12 16 14 12 NotRecommended
120V 25 (7.6) 50 (15.2) 100 (30.5) 150 (45.7)
240V 50 (15.2) 100 (30.5) 200 (61.0) 300 (91.4)
Total Length of Cord
in Feet (meters)
AWG
i_,WARNING: ALWAYS use safety glasses. Everyday eyeglasses are
NOT safety glasses. Also use face or dust mask if cutting operation is
dusty. ALWAYS WEAR CERTIFIED SAFETY EQUIPMENT:
• ANSI Z87.1 eye protection (CAN/CSA Z94.3),
• ANSI $12.6 ($3.19) hearing protection,
• NIOSH/OSHA/MSHA respiratory protection.
i_ WARNING: Some dust created by power sanding, sawing,
grinding, drilling, and other construction activities contains chemicals
known to the State of California to cause cancer, birth defects or other
reproductive harm. Some examples of these chemicals are:
• lead from lead-based paints,
• 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 thb 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
filter out microscopic particles.
• Avoid prolonged contact with dust from power sanding,
sawing, grinding, drilling, and other construction activities.
Wear protective clothing and wash exposed areas with
soap and water. Allowing dust to get into your mouth, eyes, or
lay on the skin may promote absorption of harmful chemicals.
A WARNING: Use of this tool can generate and/or disperse dust,
which may cause serious and permanent respiratory or other injury.
Always use NIOSH/OSHA approved respiratory protection appropriate
for the dust exposure. Direct particles away from face and body.
i_ WARNING: Always wear proper personal hearing protection
that conforms to ANSI $12.6 ($3.19) during use. Under some
conditions and duration of use, noise from this product may
contribute to hearing loss.
• The label on your tool may include the following symbols. The
symbols and their definitions are as follows:
V ................... volts
Hz................. hertz
min ............... minutes
- -- or DC... direct current
_) ................. Class I Construction
(grounded)
[] ................. Class II Construction no .................... no load
(double insulated)
.../min .......... per minute
BPM ............. beats per minute
IPM ............... impacts per minute
RPM ............. revolutions per
minute
sfpm ............. surface feet per minute
A...................... amperes
W..................... watts
"_,or AC ..........alternating
current
or AC/DC... alternating or
direct current
speed
n ...................... rated speed
..................... earthing
terminal
_, ..................... safety alert
symbol
SAVE THESE INSTRUCTIONS FOR
FUTURE USE
COMPONENTS (Fig. 1)
_ WARNING: Never modify the power tool or any part of it. Damage
or personal injury could result.
A. Trigger Switch
B. Lock On Button
(D28065, D28115 only)
C. Spindle Lock Button
D. Type 27 Guard
E. Dust Ejection SystemTM
(DES)
F.Yellow Rubber Ring
INTENDED USE
The D28065, D26065N, D28115,
grinders have been designed for professional grinding at various
work sites (i.e., construction sites). DO NOT use under wet
conditions or in presence of flammable liquids or gases.
These heavy-duty angle grinders are professional power tools. DO
NOT let children come into contact with the tool. Supervision is
required when inexperienced operators use this tool.
ASSEMBLY AND ADJUSTMENTS
A WARNING: To reduce the risk of injury, turn unit off
and disconnect it from power source before installing and
removing accessories, before adjusting or when making
repairs. Before reconnecting the tool, depress and release the
trigger switch to ensure that the tool is off. An accidental start-
up can cause injury.
G1. Quick-Change Backing
Flange
G2. Stamped Steel Quick-
Change Backing Flange
(D28065, D28065N only)
H. Threaded Clamp Nut
I.Anti-Vibration Side Handle
(not shown)
D28115N heavy-duty angle
FIG. 1
C
B
A
G1
4-1/2" (114.3 mm) and 5" (127 mm)
Grinding Wheels
6" (152 mm) Grinding Wheels
Type 27 guard
Quick-Change
backing flange
Type 27 depressed
center wheel
threaded clamp nut
Type 27 guard
Type 27 hubbed wheel
Attaching Side Handle (FIG. 2)
The side handle (I)can be fitted to either side of the
gear case in the threaded holes, as shown. Before
using the tool, check that the handle is tightened
securely. Use a wrench to firmly tighten the side
handle.
FIG. 2
I
Type 27 guard
stamped steel
Quick-Change
backing flange
Type 27 depressed
center wheel
threaded clamp nut
Type 27 guard
Type 27 hubbed wheel
Rotating the Gear Case
1. Remove guard and flanges from tool.
2. Remove the four corner screws attaching the gear case to motor
housing.
3. Separating the gear case from motor housing not more than 1/4"
(6.35 mm), rotate the gear case head to desired position.
4-1/2" (114.3 mm) and 5"
(127 mm) Cutting Wheels
6" (152 mm) Cutting Wheels
Type 1guard
Quick-Change
backing flange
Type 1 abrasive
cutting wheel
threaded clamp nut
Wire Wheels
Type27 guard
3" (76,2 mm)
wire cup brush
Type 1guard
Quick-Change
backing flange
diamond cutting wheel
threaded clamp nut
Type27 guard
4" (101.6 mm)
wire wheel
Type 1guard
Quick-Change
backing flange
Type 1abrasive
cutting wheel
threaded clamp nut
10
Type 1 guard
Quick-Change
backing flange
Diamond
cutting wheel
threaded clamp nut
Sanding Discs
rubber backing pad
sanding disc
threaded clamp nut
Type27 guard
stamped steel
Quick-Change
backing flange
Type27 depressed
center wheel
threaded clamp nut
(114.3 mm) and 5" (127 mm)
Sanding Flap Discs
Type 27 guard
hubbed sanding
flap disc
NOTE: If the gear case and motor housing become separated
by more than 1/4" (6.35 mm), the tool must be serviced and
re-assembled by a DEWALTservice center. Failure to have the tool
serviced may cause brush, motor and bearing failure.
4. Re-install screws to attach the gear case to the motor housing.
Tighten screws to 18 in./Ibs. (2.03 Nm) torque. Overtightening
could cause screws to strip.
Type 27 guard
Quick-Change
backing flange
rlon-hubbedsanding
flap disc
threaded clamp nut
5. Re-install guard and correct flanges for the appropriate
accessories.
Accessories
Itis important to choose the correct guards, backing pads and flanges
to use with grinder accessories. See pages 9-11 for information on
choosing the correct accessories.
WARNING: Accessories must be rated for at least the speed
recommended on the toolwaming label Wheels and other accessories
running over rated accessory speed may burst and cause injury.
Threaded accessories must have a 5/8 "-11 hub. Every unthreaded
accessory must have a 7/8" (22.2 mm) arbor hole. If it does not, it
may have been designed for a circular saw and should not be used.
Use only the accessories shown on pages 9-11 of this manual
Accessory ratings must be above listed minimum wheel speed as
shown on tool nameplate.
Mounting Guard
MOUNTING AND REMOVING GUARD (FIG. 3, 4}
CAUTION: Guards must be used with all grinding wheels, sanding
flap discs, wire brushes, and wire wheels. The tool may be used
without a guard only when sanding with conventional sanding discs.
Some DEWALT models are provided with a guard intended for use
with depressed center wheels (Type 27) and hubbed grinding wheels
(Type27). The same guard is designed for use with sanding flap discs
(Type27 and 29) and wire brushes. Grinding and cutting with wheels
other than Type 27 and 29 require different accessory guards not
included with tool Mounting instructions for these accessory guards
are included in the accessory package.
11
1.Opentheguardlatch(J).Alignthelugs(K)on FIG.3
theguardwiththeslots(L)onthegear K.
case.
2.Pushtheguarddownuntiltheguardlugs
engageandrotatefreelyinthegrooveon
thegearcasehub.
3.Withtheguardlatchopen,rotatetheguard
(D)intothedesiredworkingposition.The J
guardbodyshouldbepositionedbetween
thespindleandtheoperatorto provide
maximumoperatorprotection.
4.Closetheguardlatchtosecuretheguard
onthegearcase.Youshouldnotbeable
torotatetheguardbyhandwhenthelatch D
isclosed.Donotoperatethegrinderwith
alooseguardortheclampleverinopenposition.
5.Toremovetheguard,opentheguardlatch,rotatetheguardso
thatthearrowsarealignedandpullupontheguard.
NOTE: The guard is pre-adjusted to the FIG.4
diameter of the gear case hub at the factory.
If, after a period of time, the guard becomes
loose, tighten the adjusting screw (M) with
clamp lever in the closed position.
A CAUTION: Do not tighten the adjusting screw with the clamp lever
in open position. Undetectable damage to the guard or the mounting
hub may result.
_ CAUTION: If guard cannot be tightened by adjusting clamp, do
not use tool and take the tool and guard to a service center to repair
or replace the guard.
OPERATION
WARNING: To reduce the risk of injury, turn unit off and
disconnect ff from power source before installing and removing
accessories, before adjusting or when making repairs. Before
reconnecting the tool, depress and release the trigger switch
to ensure that the tool is off. An accidental start-up can cause
injury.
Guards and Flanges
It is important to choose the correct guards and flanges to use with
the grinder accessories. See pages 9-11 for the correct accessories.
NOTE: Edge grinding and cutting can be performed with Type 27
wheels designed and specified for this purpose.
_ WARNING: Accessories must be rated for at least the speed
recommended on the toolwaming label Wheels and other accessories
running over rated accessory speed may burst and cause injury.
Every unthreaded accessory must have a 7/8" (22.2 mm) arbor hole.
flit does not, it may have been designed for a circular saw and should
not be used. Use only the accessories shown on pages 9-11.
Accessory ratings must be above listed minimum wheel speed as
shown on tool nameplate.
Trigger Switch (Fig. 1, 5, 6)
A CAUTION: Hold the side handle and body of the tool firmly to
maintain control of the tool at start up and during use and until the
wheel or accessory stops rotating. Make sure the wheel has come to
a complete stop before laying the tool down.
NOTE: To reduce unexpected tool movement, do not switch the
tool on or off while under load conditions. Allow the grinder to run
up to full speed before touching the work surface. Lift the tool from
the surface before turning the tool off. Allow the tool to stop rotating
before putting it down.
12
ACAUTION: Before connecting the tool to a power source depress
and release the trigger switch (A)once without depressing the lock-on
button (B) to ensure that the switch is off. Depress and release the
trigger switch as described above after any interruption in power
supply to the tool, such as the activation of a ground fault interrupter,
throwing of a circuit breaker, accidental unplugging, or power failure.
To turn the tool on, depress the trigger switch (A). The tool will run
while the switch is depressed. Turn the tool off by releasing the
trigger switch.
LOCK-ON BUTTON (D28065, D28115} (FIG. 5}
The lock-on button (B)offers increased comfort FIG.5
in extended use applications. To lock the tool
on, depress the trigger switch (A), then push
the lock-on button (B).The tool will continue to
run after the trigger switch is released. To
unlock the tool, depress and release the trigger
switch. This will cause the tool to stop. B A
A CAUTION: Allow the tool to reach full
speed before touching tool to the work surface. Lift the tool from the
work surface before turning the tool off.
SPINDLE LOCK (FIG. 6)
The spindle lock (C) is provided to prevent the
spindle from rotating when installing or removing
wheels. Operate the spindle lock only when the
tool is turned off, unplugged from the power
supply, and has come to a complete stop. Do
not engage the spindle lock while the tool is
operating because damage to the tool will
result. To engage the lock, depress the spindle
lock button and rotate the spindle until you are
unable to rotate the spindle further.
FIG.6
Mounting and Using Depressed Center
Grinding Wheels and Sanding Flap Discs
MOUNTING AND REMOVING HUBBED WHEELS
Hubbed wheels install directly on the 5/8"-11 threaded spindle.
Thread of accessory must match thread of spindle.
1. Backing flange is retained to the grinder by an O-ring on the
spindle. Remove backing flange by pulling and twisting flange
away form the machine.
2. Thread the wheel on the spindle by hand.
3. Depress the spindle lock button and use a wrench to tighten the
hub of the wheel.
4. Reverse the above procedure to remove the wheel.
A CAUTION: Failure to properly seat the wheel before turning the
tool on may result in damage to the tool or the wheel
MOUNTING NON-HUBBED WHEELS (FIG. 7, 8)
Depressed center Type 27 grinding wheels must be used with
included flanges.
NOTE: The stamped steel quick-change FIG.7
backing flange (G2) is for use with D28065 G1,G2
and D28065N for Type 27 grinding wheels
only. Referto pages 9-11 for more information.
1. Install the stamped steel quick-change N
backing flange (G2) (D28065, D28065N
only) for Type 27 6" (152 mm) wheels or
the quick-change backing flange (G1) for
all other non-hubbed wheels on spindle
(N) with the raised section (pilot) against
the wheel. Be sure the backing flange
recess is seated onto the flats of the H _
spindle by pushing and twisting the flange
before placing wheel.
13
2.Placewheelagainstthebackingflange,centeringthewheelon
theraisedsection(pilot)ofthebackingflange.
3.Whiledepressingthespindlelockbutton,threadtheclamp
nut(H)onspindle.Ifthewheelyouareinstallingismore
than1/8"(3.17mm)thick,placethethreadedclampnut
onthespindlesothattheraisedsection(pilot)fitsintothe
centerof thewheel.Ifthewheelyouareinstallingis 1/8"
(3.17mm)thickorless,placethethreadedclampnutonthe
spindlesothattheraisedsection(pilot)isnotagainstthewheel.
4.Whiledepressingthespindlelockbutton, FIG.8
tightentheclampnutwithawrench. 1/4"wheels
5.Toremovethewheel,depressthespindle (6.35mm)
lockbuttonandloosenthethreaded
clampnutwithawrench, threadedclampnut
NOTE"Ifthewheelspinsaftertheclamp
nutistightened,checktheorientationofthe
threadedclampnut.Ifathinwheelisinstalled
withthepilotontheclampnutagainstthe Quick-Change
wheel,itwillspinbecausetheheightofthe backingflange
pilotpreventstheclampnutfromholdingthe 1/8"wheels
wheel. (3.17mm)
SURFACE GRINDING WITH GRINDING
WHEELS (FIG. 9) threadedclamp nut
1. Allow the tool to reach full speed before
touching the tool to the work surface.
2. Apply minimum pressure to the work
surface, allowing the tool to operate at
high speed. Grinding rate is greatest
when the tool operates at high speed.
3. Maintain a 20°to 30°angle between the tool and work surface.
Quick-Change
backing flange
14
4. Continuously move the tool in a forward and back motion to avoid
creating gouges in the work surface.
5. Remove the tool from work surface before FIG.9
turning tool off. Allow the tool to stop
rotating before laying it down.
EDGE GRINDING WITH GRINDING 20°-30°
WHEELS (FIG. 10)
i_CAUTION: Wheels used for cutting and
edge grinding may break if they bend or twist while the tool is being
used to do cut-off work or deep grinding. To reduce the risk of serious
injury,limit the use of these wheels with a standard Type 27 guard to
shallow cutting and notching [less than 1/2" (12.7 mm) in depth]. The
open side of the guard must be positioned away from the operator. For
deeper cutting with a Type 1 cut-off wheel, use a closed, Type 1guard.
See the chart on page 10 for more information. Type 1 guards are
available at extra cost from your local dealer or authorized service
center. FIG.10
1. Allow the tool to reach full speed before
touching the tool to the work surface.
2. Apply minimum pressure to the work
surface, allowing the tool to operate at
high speed. Grinding rate is greatest
when the tool operates at high speed.
3. Position yourself so that the open-
underside of the wheel is facing away
from you.
4. Once a cut is begun and a notch is
established in the workpiece, do not
change the angle of the cut. Changing
the angle will cause the wheel to bend
and may cause wheel breakage. Edge grinding wheels are not
designed to withstand side pressures caused by bending.
5.Removethetoolfromtheworksurfacebeforeturningthetooloff.
Allowthetooltostoprotatingbeforelayingitdown.
WARNING: Do not use edge grinding/cutting wheels for surface
grinding applications because these wheels are not designed for side
pressures encountered with surface grinding. Wheel breakage and
injury may result.
SURFACE FINISHING WITH SANDING FLAP DISCS (FIG. 11)
3. Allow the tool to reach full speed before touching the tool to the
work surface.
2. Apply minimum pressure to work surface, allowing the tool to
operate at high speed. Sanding rate is greatest when the tool
operates at high speed.
3. Maintain a 5° to 10° angle between FIG.11
the tool and work surface.
4. Continuously move the tool in a
forward and backward motion to
avoid creating gouges in the work
surface.
5. Remove the tool from work surface before turning tool off. Allow
the tool to stop rotating before laying it down.
MOUNTING SANDING BACKING PADS (FIG. 12}
CAUTION: Proper guard must be reinstalled for grinding wheel,
sanding flap disc, wire brush or wire wheel applications after
sanding applications are complete.
1. Place or appropriately thread backing pad (O) on the spindle.
2. Place the sanding disc (P) on the backing pad.
3. While depressing spindle lock, thread FIG.12
clamp nut (H) on spindle, piloting the H
raised hub on the clamp nut into the
center of sanding disc and backing pad. i
4. Tighten the clamp nut by hand. Then
depress the spindle lock button while \
turning the sanding disc until the sanding
disc and clamp nut are snug.
5. To remove the wheel, grasp and turn
the backing pad and sanding pad while
depressing the spindle lock button.
USING SANDING BACKING PADS (FIG. 13}
Choose the proper grit sandpaper for your application. Sandpaper
is available in various grits. Coarse grits yield faster material removal
rates and a rougher finish. Finer grits yield slower material removal
and a smoother finish.
Begin with coarse grit discs for fast, rough material removal. Move
to a medium grit paper and finish with a fine grit disc for optimal
finish.
Coarse 16 - 30 grit
Medium 36 - 80 grit
Fine Finishing 100 - 120 grit
Very Fine Finishing 150 - 180 grit
1. Allow the tool to reach full speed before touching tool to the work
surface.
2. Apply minimum pressure to work surface, allowing the tool to
operate at high speed. Sanding rate is greatest when the tool
operates at high speed.
3. Maintain a 5° to 15° angle between the tool and work surface.
The sanding disc should contact approximately one inch of work
surface.
15
4.Movethetoolconstantlyinastraightline FIG.13
topreventburningandswirlingofwork
surface.Allowingthetooltorestonthe
worksurfacewithoutmoving,ormoving
thetoolina circularmotioncauses
burningandswirlingmarksonthework
surface.
5.Removethetoolfromworksurfacebeforeturningtooloff.Allow
thetooltostoprotatingbeforelayingitdown.
Mounting and Using Wire Brushes
and Wire Wheels
Wire cup brushes or wire wheels screw directly on the grinder
spindle without the use of flanges. Use only wire brushes or wheels
provided with a 5/8"-11 threaded hub. A Type 27 guard is required
when using wire brushes and wheels.
_ CAUTION: Wear work gloves when handling wire brushes and
wheels. They can become sharp.
_ CAUTION: Wheel or brush must not touch guard when mounted
or while in use. Undetectable damage could occur to the accessory,
causing wires to fragment from accessory wheel or cup.
MOUNTING WIRE BRUSHES AND WIRE WHEELS
1. Thread the wheel on the spindle by hand.
2. Depress spindle lock button and use a wrench on the hub of the
wire wheel or brush to tighten the wheel.
3. To remove the wheel, reverse the above procedure.
_ CAUTION: Failure to properly seat the wheel hub before turning
the tool on may result in damage to tool or wheel.
USING WIRE CUP BRUSHES AND WIRE WHEELS
(FIG. 14, 15)
Wire wheels and brushes can be used for removing rust, scale and
paint, and for smoothing irregular surfaces.
1. Allow the tool to reach full speed before FIG.14
touching the tool to the work surface.
2. Apply minimum pressure to work
surface, allowing the tool to operate
at high speed. Material removal rate is
greatest when the tool operates at high
speed.
3. Maintain a 5°to 10° angle between the tool and work surface for
wire cup brushes.
4. Maintain contact between the edge of the wheel and the work
surface with wire wheels.
5. Continuously move the tool in a forward and FIG.15
backward motion to avoid creating gouges in
the work surface. Allowing the tool to rest on
the work surface without moving, or moving the
tool in a circular motion causes burning and
swirling marks on the work surface.
6. Remove the tool from the work surface before
turning the tool off. Allow the tool to stop
rotating before setting it down.
i_ CAUTION: Use extra care when working over an edge, as a
sudden sharp movement of grinder may be experienced.
16
Mounting and Using Cutting
(Type 1) Wheels (Fig. 1)
Cutting wheels include diamond wheels and abrasive discs. Abrasive
cutting wheels for metal and concrete use are available. Diamond
blades for concrete cutting can also be used.
NOTE" All grinders that use Type 1 wheels use the quick-change
backing flange (G1).
_ WARNING: A closed, 2-sided cutting wheel guard is not included
with this tool and is required when using cutting wheels. Failureto use
proper flange and guard can result in injury resulting from wheel
breakage and wheel contact. See page 10 for more information.
MOUNTING CLOSED (TYPE 1) GUARD (FIG. 16, 17)
1. Open the guard latch (J). Align the lugs (K)on the guard with the
slots (L) on the gear case.
2. Push the guard down until the guard FIG.16
lug engages and rotates freely in the I J
groove on the gear case hub.
3. Rotate guard (D) into desired working
position. The guard body should be
positioned between the spindle and
the operator to provide maximum
operator protection.
4. Close the guard latch to secure the
guard on the gear case cover. You
should be unable to rotate the guard
by hand when the latch is in closed
position. If rotation is possible,
tighten the adjusting screw (M) with
clamp lever in the closed position.
Do not operate grinder with a loose
guard or clamp lever in open position.
5. To remove the guard, open the guard latch, rotate the guard so
that the arrows are aligned and pull up on the guard.
NOTE" If, after a period of time, the guard
becomes loose, tighten the adjusting screw (M) FIG.17
with the clamp lever in the closed position.
._CAUTION: Do not tighten adjusting screw M
with clamp lever inopen position. Undetectable
damage to guard or mounting hub may result.
MOUNTING CUTTING WHEELS
CAUTION: Matching diameter backing flange and threaded clamp
nut (included with tool) must be used for cutting wheels.
1. Place the unthreaded backing flange on spindle with the raised
section (pilot) facing up. The raised section (pilot) on the backing
flange will be against the wheel when the wheel is installed.
2. Place the wheel on the quick-change backing flange, centering
the wheel on the raised section (pilot).
3. Install the threaded clamp nut with the raised section (pilot) facing
away from the wheel.
4. Depress the spindle lock button and tighten clamp nut with a
wrench.
5. To remove the wheel, grasp and turn while depressing the spindle
lock button.
USING CUTTING WHEELS (FIG. 18)
i_ WARNING: Do not use edge grinding/cutting wheels for surface
grinding applications because these wheels are not designed for side
pressures encountered with surface grinding. Wheel breakage and
injury may result.
17
1.Allowtooltoreachfullspeedbeforetouching
FIG. 18
tooltoworksurface.
2.Applyminimumpressureto worksurface,
allowingtooltooperateathighspeed.Cutting
rateisgreatestwhenthetooloperatesathigh
speed.
3.Onceacutisbegunandanotchisestablished
intheworkpiece,donotchangetheangle
of thecut.Changingtheanglewillcause
thewheelto bendandmaycausewheel
breakage.
I I
4.Removethetoolfromworksurfacebefore
turningtooloff.Allowthetooltostoprotating
beforesettingitdown.
MAINTENANCE
_ WARNING: To reduce the risk of injury, turn unit off and
disconnect it from power source before installing and removing
accessories, before adjusting or when making repairs. Before
reconnecting the tool, depress and release the trigger switch
to ensure that the tool is off. An accidental start-up can cause
injury.
Cleaning
i_ WARNING: Blow dirt and dust out of all air vents with clean, dry
air at least once a week. To minimize the risk of eye injury, always wear
ANSI Z87.1 approved eye protection when performing this.
A WARNING: Never use solvents or other harsh chemicals for
cleaning the non-metallic parts of the tool These chemicals may
weaken the plastic materials used in these parts. Use a cloth
dampened only with water and mild soap. Never let any liquid get
inside the tool,"never immerse any part of the tool into a liquid.
Accessories
WARNING: Since accessories, other than those offered by
DEWALT, have not been tested with this product, use of such
accessories with this tool could be hazardous. To reduce the risk of
injury, only DEWALT recommended accessories should be used with
this product.
Recommended accessories for use with your tool are available at
extra cost from your local dealer or authorized service center. If you
need assistance in locating any accessory, please contact DEWALT
Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286,
call 1-800-4-DEiWALT (1-800-433-9258) or visit our website: www.
dewalt.com.
Repairs
To assure product SAFETY and RELIABILITY, repairs, maintenance
and adjustment (including brush inspection and replacement) should
be performed by a DEiWALTfactory service center, a DEWALT
authorized service center or other qualified service personnel. Always
use identical replacement parts.
Register Online
Thank you for your purchase. Register your product now for:
• WARRANTY SERVICE: Registering your product will help you
obtain more efficient warranty service in case there is a problem
with your product.
• CONFIRMATION OF OWNERSHIP: In case of an insurance
loss, such as fire, flood or theft, your registration of ownership will
serve as your proof of purchase.
• FOR YOUR SAFETY: Registering your product will allow us to
contact you in the unlikely event a safety notification is required
under the Federal Consumer Safety Act.
Register online at www.dewalt.com/register.
18
Three Year Limited Warranty
DEWALTwill repair, without charge, any defects due to faulty materials
or workmanship for three years from the date of purchase. This
warranty does not cover part failure due to normal wear or tool
abuse. For further detail of warranty coverage and warranty repair
information, visit www.dewalt.com or call 1-800-4-DEWALT (1-800-
433-9258). This warranty does not apply to accessories or damage
caused where repairs have been made or attempted by others. This
warranty gives you specific legal rights and you may have other rights
which vary in certain states or provinces.
In addition to the warranty, DEWALT tools are covered by our:
1 YEAR FREE SERVICE
DEWALT will maintain the tool and replace worn parts caused by
normal use, for free, any time during the first year after purchase.
90 DAY MONEY BACK GUARANTEE
If you are not completely satisfied with the performance of your
DEWALT Power Tool, Laser, or Nailer for any reason, you can return
it within 90 days from the date of purchase with a receipt for a full
refund - no questions asked.
LATIN AMERICA" This warranty does not apply to products sold
in Latin America. For products sold in Latin America, see country
specific warranty information contained in the packaging, call the local
company or see website for warranty information.
FREE WARNING LABEL REPLACEMENT: If your warning labels
become illegible or are missing, call 1-800-4-DEWALT (1-800-433-
9258) for a free replacement.
DXXXXX,E,._ "]
ATLEA_r_i_ ALWAYSUSEP_0PE_R_S_I_ATORY_OTEml0N.
f
DEBE LEER Y COMPDENDE$_ EL MANUAL DE INST$_UCCiONES ANTES DE
UTBLJZAR EL PROUUET0. UTiLJCE DIEMPRE LAD GUARDAE APROPiADAS.
UTJLJDE MEMPRE LA PROTECDiDN ADECUADA PARA LA VISTA Y PARA
LAD VIAD RESPIRATOMAG. UTILICE SOLAMENTE LOS ACCEDO_IO$
CALIFICADOS DOMO MiNiM0 PAPA XXXXX RPM/MIN.
EUTILMATEUD DOlT UDE ET COMPDENDRE LE GUIDE D'UTILMATION.
TOUJOUDS UTitJGE_ LEDPROTECTEURS APPGOPRIES, TOUJDU_D
PODTED NE L'_UUJPEM E_T NEPDOTECTIO_ OCULAIRE ET _EDPiDATOJRE
APPM_PRJE. UT_LJDERSENLEMEt,_T DES ACCESS01RES CON_US POUR
UNE DEGJME DE _(XXXTPJMIN.
U_OE_STAN_ INSTHUCTION NNUAL ALWAYS USE P_0_R
D_WALT INDUSTRIP, L TOOL 80_ BALTIMORE, MI) 212_6 USA
F01_SERVICEINFOP,M_TU0_r CALLI-S0_-_Wt, LT www,_WALT_D_
PARA REDUCZGEL MESGO DE
LEMONED PERSONALES. SIEMP_E DE
AFiN DE D_DUIDE LED
19
D_finitions : lignes directrices en
mati_re de s_curit_
Les definitions ci-dessous decrivent le niveau de danger pour
chaque mot-indicateur employe. Lire le mode d'emploi et
porter une attention particuliere a.ces symboles.
ADANGER : indique une situation dangereuse imminente qui,
si elle n'est pas evitee, entraTnera la mort ou des blessures
graves.
,_AVERTISSEMENT : indique une situation potentie//ement
dangereuse qui, si e//e n'est pas evitee, pourrait entra_ner /a
mort ou des blessures graves.
_ATTENTION : indique une situation potentie//ement
dangereuse qui, si el/en'est pas evitee, pourrait entra_nerdes
blessures I_g_res ou modifies.
AVIS : indique une pratique ne posant aucun risque de
dommages corporels mais qui par contre, si rien n'est fair
pour /'eviter, pourraff poser des risques de dommages
materiels.
J
POUR TOUTE QUESTION OU REMARQUE AU SUJET DE CET
OUTIL OU DE TOUT AUTRE OUTIL DEWALT, COMPOSE LE
NUMFt:ROSANS FRAIS : 1-800-4-DEWALT (1-800-433-9258}.
AVERTISSEMENT afin de reduire le de life
le mode d'emploi de I'outil.
risque
blessures,
Avertissements de sdcuritd gdndraux
pour les outils dlectriques
s_curit_ et toutes les directives. Le non-respect des
_k AVERTISSEMENT! life tous les avertissements de
avertissements et des directives pourrait se solder par un
choc dectrique, un incendie et/ou une blessure grave.
CONSERVER TOUSLES AVERTISSEMENTS
ET TOUTES LES DIRECTIVES POUR UN
USAGE ULTERIEUR
Le terme _outil dectrique _ cite dans les avertissements se rapporte
votre outil electrique a alimentation sur secteur (avec ill) ou par piles
(sansfi/).
1) SI_CURITI_ DU LIEU DE TRAVAIL
a) Ten#" I'aire de travail propre et bien _clair_e. Les Iieux
encombres ou sombres sont propices aux accidents.
b) Ne pas faire fonctionner d'outils _lectriques clans un
milieu d_flagrant, tel qu'en presence de liquides, de
gaz ou de poussi_res inflammables. Les outi/s e/ectriques
produisent des etincelles qui pourraient enflammer la poussiere
ou les vapeurs.
c) E-Ioignerles enfants et les personnes a proximit_ pendant
I'utilisation d'un outil _lectrique. Une distraction pourrait en
faire perdre la ma_trise a I'utilisateur.
2) SI_CURITI_ EN MATI#RE D'I_LECTRICITI_
a) Les fiches des outils _lectriques doivent correspondre
la prise. Ne jamais modifier la fiche d'aucune faqon.
Ne jamais utiliser de fiche d'adaptation avec un outil
_lectrique mis a la terre. Le risque de choc dectrique sera
reduit par I'utilisation de fiches non modifiees correspondant
la prise.
2O
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