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DCS578
DCS579
Final page size: A5 (148mm x 210mm)
B
Copyright DeWALT
English (original instructions) 10
简体中文 24
繁體中文 35
한국어 46
1
Fig. A
A
A
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DCS579
DCS578
3
5
6
7
8
9
1011
12
13
14
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19
20
21
4
2
1
17
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2
13
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5
25
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28
27
26
14
24
Fig. B
B
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Fig. D
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Fig. F
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Fig. C
C
C
그림C
Fig. E
E
E
그림E
Fig. G
G
G
그림G
3
DCS578
DCS579
11
8
11
29
30
31
18
Fig. H
H
H
그림H
Fig. I
I
I
그림I
Fig. J
J
J
그림J
4
15
34
34
34
35
36
37
11
33
32
Fig. K
K
K
그림K
Fig. L
L
L
그림L
Fig. M
M
M
그림M
5
DCS579
100 mm
20 mm
DCS579
35
39
38
38
35
Fig. N
N
N
그림N
Fig. O
O
O
그림O
6
Fig. P
P
P
그림P
Fig. Q
Q
Q
그림Q
7
45˚
45°
DCS579DCS578
45°
38 38
41 41
Fig. R
R
R
그림R
Fig. S
S
S
그림S
Fig. T
T
T
그림T
Fig. U
U
U
그림U
8
7
3
Fig. V
V
V
그림V
Fig. W
W
W
그림W
Fig. X
X
X
그림X
9
7
8
40
42
34
Fig. Y
Y
Y
그림Y
Fig. AA
AA
AA
그림AA
Fig. CC
CC
CC
그림CC
Fig. DD
DD
DD
그림DD
Fig. BB
BB
BB
그림BB
Fig. Z
Z
Z
그림Z
10
ENGLISH
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.
Definitions: Safety Guidelines
The definitions below describe the level of severity for 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.
WARNING: Indicates a potentially hazardous situation
which, if not avoided, could result in death or
seriousinjury.
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.
Denotes risk of electricshock.
Denotes risk offire.
GENERAL POWER TOOL SAFETY WARNINGS
WARNING: Read all safety warnings, instructions,
illustrations and specifications provided with this
power tool. Failure to follow all instructions listed below
may result in electric shock, fire and/or seriousinjury.
English (original instructions)
190mm / 184mm 54V CORDLESS CIRCULAR SAW
DCS578, DCS579
Congratulations!
You have chosen a DeWALT tool. Years of experience, thorough product development and innovation make DeWALT one of the most
reliable partners for professional power toolusers.
Technical Data
DCS578 (KR & B1) DCS578 (TW) DCS578 (A9) DCS579
Voltage V
DC
54(60 Max) 54(60 Max) 54(60 Max) 54(60 Max)
Battery type Li-Ion Li-Ion Li-Ion Li-Ion
No-load speed min
-1
5800 5800 5800 5800
Blade diameter mm 184 190 184 184
Maximum depth of cut mm 64 67 64 58
Blade bore mm 19 25.4 20 30
Bevel angle adjustment 57 57 57 57
Weight (without battery pack) kg 3.6 3.6 3.6 3.7
Maximum initial battery voltage (measured without a workload) is 60 volts. Nominal voltage is 54 volts.
Batteries Charger/Charger Times(Minutes)
Cat # V
Ah (kg)
DCB104 DCB107 DCB112 DCB113 DCB115 DCB116 DCB117 DCB118 DCB132 DCB119
DCB546/DCB606 18/54 (20/60 Max) 6.0/2.0 1.05 60 270 170 140 90 80 40 60 90 X
DCB547/DCB609 18/54 (20/60 Max 9.0/3.0 1.46 75* 420 270 220 135* 110* 60 75* 135* X
DCB548/DCB612 18/54 (20/60 Max 12.0/4.0 1.44 120 540 350 300 180 150 80 120 180 X
Date code 201811475B or later
11
ENGLISH
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 power tool in a damp location is
unavoidable, use a residual current device (RCD)
protected supply. Use of an RCD reduces the risk of
electricshock.
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 a 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 energising 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
jewellery. Keep your hair and clothing away from
moving parts. Loose clothes, jewellery 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.
h ) 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.
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 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.
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 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.
f ) 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.
h ) 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.
5) Battery Tool Use and Care
a ) Recharge only with the charger specified by the
manufacturer. A charger that is suitable for one type
of battery pack may create a risk of fire when used with
another batterypack.
b ) Use power tools only with specifically designated
battery packs. Use of any other battery packs may create
a risk of injury andfire.
c ) 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fire.
d ) Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact
accidentally occurs, flush with water. If liquid
contacts eyes, additionally seek medical help. Liquid
ejected from the battery may cause irritation orburns.
e ) Do not use a battery pack or tool that is damaged or
modified. Damaged or modified batteries may exhibit
unpredictable behaviour resulting in fire, explosion or risk
ofinjury.
f ) Do not expose a battery pack or tool to fire or
excessive temperature. Exposure to fire or temperature
above 130 °C may causeexplosion.
Batteries
Chargers/Charge Times (Minutes)
Cat #
DC
Weight
*Date code 201811475B or later
**Date code 201536 or later
12
ENGLISH
g ) Follow all charging instructions and do not charge
the battery pack or tool outside the temperature
range specified in the instructions. Charging
improperly or at temperatures outside the specified range
may damage the battery and increase the risk of fire.
6) 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.
b ) Never service damaged battery packs. Service
of battery packs should only be performed by the
manufacturer or authorized serviceproviders.
Safety Instructions for All Saws
Cutting Procedures
a ) DANGER: Keep hands away from cutting area
and the blade. Keep your second hand on auxiliary
handle, or motor housing. If both hands are holding the
saw, they cannot be cut by theblade.
b ) Do not reach underneath the workpiece. The guard
cannot protect you from the blade below theworkpiece.
c ) Adjust the cutting depth to the thickness of the
workpiece. Less than a full tooth of the blade teeth should
be visible below theworkpiece.
d ) Never hold the workpiece in your hands or across
your leg while cutting. Secure the workpiece to a
stable platform. It is important to support the work
properly to minimize body exposure, blade binding, or loss
ofcontrol.
e ) Hold the power tool by insulated gripping surfaces,
when performing an operation where the cutting
tool may contact hidden wiring. Contact with a "live"
wire will also make exposed metal parts of the power tool
"live" and could give the operator an electricshock.
f ) When ripping always use a rip fence or straight edge
guide. This improves the accuracy of cut and reduces the
chance of bladebinding.
g ) Always use blades with correct size and shape
(diamond versus round) of arbour holes. Blades that
do not match the mounting hardware of the saw will run
off-centre, causing loss ofcontrol.
h ) Never use damaged or incorrect blade washers or
bolt. The blade washers and bolt were specially designed
for your saw, for optimum performance and safety
ofoperation.
Further Safety Instructions for All Saws
Kickback Causes and Related Warnings
Kickback is a sudden reaction to a pinched, bound or
misaligned saw blade, causing an uncontrolled saw to lift up
and out of the workpiece toward the operator;
When the blade is pinched or bound tightly by the kerf closing
down, the blade stalls and the motor reaction drives the unit
rapidly back toward the operator;
If the blade becomes twisted or misaligned in the cut, the teeth
at the back edge of the blade can dig into the top surface of
the wood causing the blade to climb out of the kerf and jump
back toward theoperator.
Kickback is the result of saw misuse and/or incorrect operating
procedures or conditions and can be avoided by taking proper
precautions as given below:
a ) Maintain a firm grip with both hands on the saw and
position your arms to resist kickback forces. Position
your body to either side of the blade, but not in line
with the blade. Kickback could cause the saw to jump
backwards, but kickback forces can be controlled by the
operator, if proper precautions aretaken.
b ) When blade is binding, or when interrupting a cut
for any reason, release the trigger and hold the saw
motionless in the material until the blade comes to
a complete stop. Never attempt to remove the saw
from the work or pull the saw backward while the
blade is in motion or kickback may occur. Investigate
and take corrective actions to eliminate the cause of
bladebinding.
c ) When restarting a saw in the workpiece, centre the
saw blade in the kerf and check that saw teeth are
not engaged into the material. If saw blade binds, it
may walk up or kickback from the workpiece as the saw
isrestarted.
d ) Support large panels to minimise the risk of blade
pinching and kickback. Large panels tend to sag
under their own weight. Supports must be placed under
the panel on both sides, near the line of cut and near the
edge of thepanel.
e ) Do not use dull or damaged blades. Unsharpened
or improperly set blades produce narrow kerf causing
excessive friction, blade binding andkickback.
f ) Blade depth and bevel adjusting locking levers must
be tight and secure before making the cut. If blade
adjustment shifts while cutting, it may cause binding
andkickback.
g ) Use extra caution when sawing into existing walls or
other blind areas. The protruding blade may cut objects
that can causekickback.
Safety Instructions for Saws with a
Pendulum Blade Guard
a ) Check the lower guard for proper closing before each
use. Do not operate the saw if lower guard does not
move freely and close instantly. Never clamp or tie
the lower guard into the open position. If the saw is
accidentally dropped, lower guard may be bent. Raise
the lower guard with the retracting handle and make sure
it moves freely and does not touch the blade or any other
part, in all angles and depths ofcut.
13
ENGLISH
b ) Check the operation of the lower guard spring. If the
guard and the spring are not operating properly,
they must be serviced before use. Lower guard may
operate sluggishly due to damaged parts, gummy
deposits, or a build-up ofdebris.
c ) The lower guard may be retracted manually only for
special cuts such as “plunge cuts” and “compound
cuts”. Raise the lower guard by the retracting handle
and as soon as the blade enters the material, the
lower guard must be released. For all other sawing, the
lower guard should operateautomatically.
d ) Always observe that the lower guard is covering the
blade before placing saw down on bench or floor.
An unprotected, coasting blade will cause the saw to
walk backwards, cutting whatever is in its path. Be
aware of the time it takes for the blade to stop after switch
isreleased.
Additional Safety Instructions for
CircularSaws
Wear ear protectors. Exposure to noise can cause
hearingloss.
Wear a dust mask. Exposure to dust particles can cause
breathing difficulty and possibleinjury.
Do not use blades of larger or smaller diameter than
recommended. For the proper blade rating refer to the
technical data. Use only the blades specified in this manual,
complying with EN847-1.
Use only saw blades that are marked with a speed equal
or higher than the speed marked on thetool.
Avoid overheating of bladetips.
Install the dust extraction port onto the saw beforeuse.
Never use abrasive cut-offwheels.
Do not use water feedattachments.
Use clamps or another practical 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.
Residual Risks
In spite of the application of the relevant safety regulations
and the implementation of safety devices, certain residual risks
cannot be avoided. These are:
Impairment ofhearing.
Risk of personal injury due to flyingparticles.
Risk of burns due to accessories becoming hot
duringoperation.
Risk of personal injury due to prolongeduse.
SAVE THESE INSTRUCTIONS
Chargers
DeWALT chargers require no adjustment and are designed to be
as easy as possible tooperate.
Electrical Safety
The electric motor has been designed for one voltage only.
Always check that the battery pack voltage corresponds to the
voltage on the rating plate. Also make sure that the voltage of
your charger corresponds to that of yourmains.
Your DeWALT charger is double insulated in
accordance with IEC60335; therefore no earth wire
isrequired.
If the supply cord is damaged, it must be replaced only by
DeWALT or an authorised serviceorganisation.
Using an Extension Cable
An extension cord should not be used unless absolutely
necessary. Use an approved extension cable suitable for
the power input of your charger (see Technical Data). The
minimum conductor size is 1mm
2
; the maximum length
is30m.
When using a cable reel, always unwind the cablecompletely.
Important Safety Instructions for All Battery
Chargers
SAVE THESE INSTRUCTIONS: This manual contains important
safety and operating instructions for compatible battery
chargers (refer to TechnicalData).
Before using charger, read all instructions and cautionary
markings on charger, battery pack, and product using
batterypack.
WARNING: Shock hazard. Do not allow any liquid to get
inside charger. Electric shock mayresult.
WARNING: We recommend the use of a residual current
device with a residual current rating of 30mA orless.
CAUTION: Burn hazard. To reduce the risk of injury,
charge only DeWALT rechargeable batteries. Other types of
batteries may burst causing personal injury anddamage.
CAUTION: Children should be supervised to ensure that
they do not play with theappliance.
NOTICE: Under certain conditions, with the charger
plugged into the power supply, the exposed charging
contacts inside the charger can be shorted by foreign
material. Foreign materials of a conductive nature such
as, but not limited to, steel wool, aluminum foil or any
buildup of metallic particles should be kept away from
charger cavities. Always unplug the charger from the
power supply when there is no battery pack in the cavity.
Unplug charger before attempting to clean
DO NOT attempt to charge the battery pack with any
chargers other than the ones in this manual. The charger
and battery pack are specifically designed to worktogether.
These chargers are not intended for any uses other than
charging
DeWALT rechargeable batteries. Any other uses
may result in risk of fire, electric shock orelectrocution.
Do not expose charger to rain orsnow.
Pull by plug rather than cord when disconnecting
charger. This will reduce risk ofdamage to electric plug
andcord.
14
ENGLISH
Make sure that cord is located so that it will not be
stepped on, tripped over, or otherwise subjected to
damage orstress.
Do not use an extension cord unless it is absolutely
necessary. Use of improper extension cord could result in risk
of fire,electric shock, orelectrocution.
Do not place any object on top of charger or place
the charger on a soft surface that might block the
ventilation slots and result in excessive internal heat.
Place the charger in a position away from any heat source. The
charger is ventilated through slots in the top and the bottom
of thehousing.
Do not operate charger with damaged cord or plug—
have them replacedimmediately.
Do not operate charger if it has received a sharp blow,
been dropped, or otherwise damaged in any way. Take it
to an authorised servicecentre.
Do not disassemble charger; take it to an authorised
service centre when service or repair is required. Incorrect
reassembly may result in a risk of electric shock, electrocution
orfire.
In case of damaged power supply cord the supply cord must
be replaced immediately by the manufacturer, its service agent
or similar qualified person to prevent anyhazard.
Disconnect the charger from the outlet before
attempting any cleaning. This will reduce the risk of
electric shock. Removing the battery pack will not reduce
thisrisk.
NEVER attempt to connect two chargerstogether.
The charger is designed to operate on standard 220-
240V household electrical power. Do not attempt to
use it on any other voltage. This does not apply to the
vehicularcharger.
Charging a Battery (Fig. A)
1. Plug the charger into an appropriate outlet before inserting
batterypack.
2. Insert the battery pack
16
into the charger, making sure the
battery pack is fully seated in the charger. The red (charging)
light will blink repeatedly indicating that the charging
process hasstarted.
3. The completion of charge will be indicated by the red
light remaining ON continuously. The battery pack is fully
charged and may be used at this time or left in the charger.
To remove the battery pack from the charger, push the
battery release button
17
on the batterypack.
NOTE: To ensure maximum performance and life of lithium-ion
battery packs, charge the battery pack fully before firstuse.
Charger Operation
Refer to the indicators below for the charge status of the
batterypack.
Charge Indicators
Charging
Fully Charged
Hot/Cold Pack Delay*
* The red light will continue to blink, but a yellow indicator light
will be illuminated during this operation. Once the battery pack
has reached an appropriate temperature, the yellow light will
turn off and the charger will resume the chargingprocedure.
The compatible charger(s) will not charge a faulty battery pack.
The charger will indicate faulty battery by refusing tolight.
NOTE: This could also mean a problem with acharger.
If the charger indicates a problem, take the charger and battery
pack to be tested at an authorised servicecentre.
Hot/Cold Pack Delay
When the charger detects a battery pack that is too hot or too
cold, it automatically starts a Hot/Cold Pack Delay, suspending
charging until the battery pack has reached an appropriate
temperature. The charger then automatically switches to the
pack charging mode. This feature ensures maximum battery
packlife.
A cold battery pack will charge at a slower rate than a warm
battery pack. The battery pack will charge at that slower rate
throughout the entire charging cycle and will not return to
maximum charge rate even if the battery packwarms.
The DCB118 charger is equipped with an internal fan designed
to cool the battery pack. The fan will turn on automatically
when the battery pack needs to be cooled. Never operate the
charger if the fan does not operate properly or if ventilation slots
are blocked. Do not permit foreign objects to enter the interior
of thecharger.
Electronic Protection System
XR Li-Ion tools are designed with an Electronic Protection
System that will protect the battery pack against overloading,
overheating or deepdischarge.
The tool will automatically turn off if the Electronic Protection
System engages. If this occurs, place the lithium-ion battery
pack on the charger until it is fullycharged.
Wall Mounting
These chargers are designed to be wall mountable or to sit
upright on a table or work surface. If wall mounting, locate the
charger within reach of an electrical outlet, and away from a
corner or other obstructions which may impede air flow. Use
the back of the charger as a template for the location of the
mounting screws on the wall. Mount the charger securely using
drywall screws (purchased separately) at least 25.4mm long
with a screw head diameter of 7–9mm, screwed into wood to
an optimal depth leaving approximately 5.5mm of the screw
exposed. Align the slots on the back of the charger with the
exposed screws and fully engage them in theslots.
15
ENGLISH
Charger Cleaning Instructions
WARNING: Shock hazard. Disconnect the charger
from the AC outlet before cleaning. Dirt and grease
may be removed from the exterior of the charger using a
cloth or soft non-metallic brush. Do not use water or any
cleaning solutions. Never let any liquid get inside the tool;
never immerse any part of the tool into aliquid.
Battery Packs
Important Safety Instructions for All Battery
Packs
When ordering replacement battery packs, be sure to include
catalogue number andvoltage.
The battery pack is not fully charged out of the carton. Before
using the battery pack and charger, read the safety instructions
below. Then follow charging proceduresoutlined.
READ ALL INSTRUCTIONS
Do not charge or use battery in explosive atmospheres,
such as in the presence of flammable liquids, gases or
dust. Inserting or removing the battery from the charger may
ignite the dust orfumes.
Never force battery pack into charger. Do not modify
battery pack in any way to fit into a non-compatible
charger as battery pack may rupture causing serious
personalinjury.
Charge the battery packs only in
DeWALTchargers.
DO NOT splash or immerse in water or otherliquids.
Do not store or use the tool and battery pack in locations
where the temperature may fall below 4 ˚C (34 ˚F) (such
as outside sheds or metal buildings in winter), or reach
or exceed 40 ˚C (104 ˚F) (such as outside sheds or metal
buildings in summer).
Do not incinerate the battery pack even if it is severely
damaged or is completely worn out. The battery pack can
explode in a fire. Toxic fumes and materials are created when
lithium-ion battery packs areburned.
If battery contents come into contact with the skin,
immediately wash area with mild soap and water. If
battery liquid gets into the eye, rinse water over the open eye
for 15 minutes or until irritation ceases. If medical attention
is needed, the battery electrolyte is composed of a mixture of
liquid organic carbonates and lithiumsalts.
Contents of opened battery cells may cause respiratory
irritation. Provide fresh air. If symptoms persists, seek
medicalattention.
WARNING: Burn hazard. Battery liquid may be flammable
if exposed to spark orflame.
WARNING: Never attempt to open the battery pack for
any reason. If battery pack case is cracked or damaged,
do not insert into charger. Do not crush, drop or damage
battery pack. Do not use a battery pack or charger that
has received a sharp blow, been dropped, run over or
damaged in any way (i.e., pierced with a nail, hit with
a hammer, stepped on). Electric shock or electrocution
may result. Damaged battery packs should be returned to
service centre forrecycling.
WARNING: Fire hazard. Do not store or carry the
battery pack so that metal objects can contact
exposed battery terminals. For example, do not place
the battery pack in aprons, pockets, tool boxes, product kit
boxes, drawers, etc., with loose nails, screws, keys,etc.
CAUTION: When not in use, place tool on its side on
a stable surface where it will not cause a tripping
or falling hazard. Some tools with large battery packs
will stand upright on the battery pack but may be easily
knockedover.
Transportation
WARNING: Fire hazard. Transporting batteries can
possibly cause fire if the battery terminals inadvertently
come in contact with conductive materials. When
transporting batteries, make sure that the battery
terminals are protected and well insulated from materials
that could contact them and cause a shortcircuit.
NOTE: Lithium-ion batteries should not be put in
checkedbaggage.
DeWALT batteries comply with all applicable shipping
regulations as prescribed by industry and legal standards which
include UN Recommendations on the Transport of Dangerous
Goods; International Air Transport Association (IATA) Dangerous
Goods Regulations, International Maritime Dangerous Goods
(IMDG) Regulations, and the European Agreement Concerning
The International Carriage of Dangerous Goods by Road (ADR).
Lithium-ion cells and batteries have been tested to section 38.3
of the UN Recommendations on the Transport of Dangerous
Goods Manual of Tests andCriteria.
In most instances, shipping a
DeWALT battery pack will be
excepted from being classified as a fully regulated Class 9
Hazardous Material. In general, only shipments containing a
lithium-ion battery with an energy rating greater than 100 Watt
Hours (Wh) will require being shipped as fully regulated Class 9.
All lithium-ion batteries have the Watt Hour rating marked on
the pack. Furthermore, due to regulation complexities,
DeWALT
does not recommend air shipping lithium-ion battery packs
alone regardless of Watt Hour rating. Shipments of tools with
batteries (combo kits) can be air shipped as excepted if the Watt
Hour rating of the battery pack is no greater than 100Whr.
Regardless of whether a shipment is considered excepted
or fully regulated, it is the shipper's responsibility to consult
the latest regulations for packaging, labeling/marking and
documentationrequirements.
The information provided in this section of the manual is
provided in good faith and believed to be accurate at the time
the document was created. However, no warranty, expressed or
implied, is given. It is the buyer’s responsibility to ensure that its
activities comply with the applicableregulations.
16
ENGLISH
Transporting the FLEXVOLT
TM
Battery
The
DeWALT FLEXVOLT
TM
battery has two modes: Use
andTransport.
Use Mode: When the FLEXVOLT
TM
battery stands alone or is in
a DeWALT 18(20 Max)V product, it will operate as an 18(20 Max)
V battery. When the FLEXVOLT
TM
battery is in a 54(60 Max)V or
a 108(120 Max)V (two 54(60 Max)V batteries) product, it will
operate as a 54(60V Max) battery.
Transport Mode: When the cap is attached to the FLEXVOLT
TM
battery, the battery is in Transport mode. Keep the cap for
shipping.
When in Transport mode, strings
of cells are electrically
disconnected within the pack
resulting in 3 batteries with a
lower Watt hour (Wh) rating as compared to 1 battery with a
higher Watt hour rating. This increased quantity of 3 batteries
with the lower Watt hour rating can exempt the pack from
certain shipping regulations that are imposed upon the higher
Watt hour batteries.
For example, the Transport
Wh rating might indicate
3x36 Wh, meaning 3
batteries of 36 Wh each.
The Use Wh rating might
indicate 108Wh (1battery implied).
Storage Recommendations
1. The best storage place is one that is cool and dry away
from direct sunlight and excess heat or cold. For optimum
battery performance and life, store battery packs at room
temperature when not inuse.
2. For long storage, it is recommended to store a fully charged
battery pack in a cool, dry place out of the charger for
optimalresults.
NOTE: Battery packs should not be stored completely depleted
of charge. The battery pack will need to be recharged beforeuse.
Labels on Charger and Battery Pack
In addition to the pictographs used in this manual, the
labels on the charger and the battery pack may show the
followingpictographs:
Read instruction manual beforeuse.
See Technical Data for chargingtime.
Do not probe with conductiveobjects.
Do not charge damaged batterypacks.
Example of Use and Transport Label Marking
Do not expose to water.
Have defective cords replacedimmediately.
Charge only between 4 ˚C and 40 ˚C.
Only for indooruse.
Discard the battery pack with due care for
theenvironment.
Charge DeWALT battery packs only with designated
DeWALT chargers. Charging battery packs other than
the designated
DeWALT batteries with a DeWALT
charger may make them burst or lead to other
dangeroussituations.
Do not incinerate the batterypack.
USE (without transport cap). Example: Wh rating
indicates 108 Wh (1 battery with 108 Wh).
TRANSPORT (with built-in transport cap). Example:
Wh rating indicates 3 x 36 Wh (3batteries of 36 Wh).
Battery Type
The DCS578 and DCS579 operate on a 54 (60 Max)volt battery
pack.
These battery packs may be used: DCB546, DCB547,
DCB548,DCB606,DCB609,DCB612. Refer to Technical Data for
moreinformation.
Package Contents
The package contains:
1 Circular saw
1 Circular saw blade
1 Blade wrench
1 Parallel fence
1 Dust extraction port
1 Charger (T or X models)
1 Li-Ion battery pack (C1, D1, L1, M1, P1, S1, T1, X1, Y1 models)
2 Li-Ion battery packs (C2, D2, L2, M2, P2, S2, T2, X2, Y2 models)
3 Li-Ion battery packs (C3, D3, L3, M3, P3, S3, T3, X3, Y3 models)
1 Instruction manual
NOTE: Battery packs, chargers and kitboxes are not included
with N models. Battery packs and chargers are not included with
NT models. Bmodels include Bluetooth® batterypacks.
NOTE: The Bluetooth® word mark and logos are registered
trademarks owned by the Bluetooth®, SIG, Inc. and any use of
such marks by
DeWALT is under license. Other trademarks and
trade names are those of their respectiveowners.
Check for damage to the tool, parts or accessories which may
have occurred duringtransport.
17
ENGLISH
Take the time to thoroughly read and understand this manual
prior tooperation.
Markings on Tool
The following pictograms are shown on the tool:
Read instruction manual beforeuse.
Wear earprotection.
Wear eyeprotection.
Visible radiation. Do not stare intolight.
Date Code Position (Fig. H)
The date code
18
, which also includes the year of manufacture,
is printed into thehousing.
Example:
2020 XX XX
Year of Manufacture
Description (Fig.A, H)
WARNING: Never modify the power tool or any part of it.
Damage or personal injury couldresult.
1
Trigger switch
2
Trigger switch lock-off button
3
Main handle
4
Rafter hook (Included with some models)
5
Blade lock
6
End cap
7
Auxiliary handle
8
Bevel adjustment lever
9
Bevel angle adjustment mechanism
10
LED worklight
11
Base plate
12
Lower blade guard
13
Blade clamping screw
14
Lower guard lever
15
Upper blade guard
16
Battery pack
17
Battery release button
18
Date code (Fig. H)
19
Rail adjuster (0° cutting)
20
Rail adjuster (1–45° bevel cutting)
21
Fuel gauge button (on battery pack)
Intended Use
These heavy-duty circular saws are designed for professional
wood cutting applications. Do not cut metal, plastic, concrete,
masonry or fiber cement materials. DO NOT use water feed
attachments with this saw. DO NOT use abrasive wheels or
blades. DO NOT use under wet conditions or in the presence of
flammable liquids orgases.
These heavy-duty saws are professional powertools.
DO NOT let children come into contact with the tool.
Supervision is required when inexperienced operators use
thistool.
Young children and the infirm. This appliance is not
intended for use by young children or infirm persons
withoutsupervision.
This product is not intended for use by persons (including
children) suffering from diminished physical, sensory or
mental abilities; lack of experience, knowledge or skills
unless they are supervised by a person responsible for their
safety. Children should never be left alone with thisproduct.
ASSEMBLY AND ADJUSTMENTS
WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect battery pack
before making any adjustments or removing/
installing attachments or accessories. An accidental
start-up can causeinjury.
WARNING: Use only DeWALT battery packs andchargers.
Inserting and Removing the Battery Pack
from the Tool (Fig.A)
NOTE: Make sure your battery pack
16
is fullycharged.
To install the battery pack into the tool handle
1. Align the battery pack
16
with the rails inside the tool’s
handle (Fig.A).
2. Slide it into the handle until the battery pack is firmly seated
in the tool and ensure that you hear the lock snap intoplace.
To remove the battery pack from the tool
1. Press the release button
17
and firmly pull the battery pack
out of the toolhandle.
2. Insert battery pack into the charger as described in the
charger section of thismanual.
Fuel Gauge Battery Packs (Fig.A)
Some DeWALT battery packs include a fuel gauge which consists
of three green LED lights that indicate the level of charge
remaining in the batterypack.
To actuate the fuel gauge, press and hold the fuel gauge
button
21
. A combination of the three green LED lights will
illuminate designating the level of charge left. When the level of
charge in the battery is below the usable limit, the fuel gauge
will not illuminate and the battery will need to berecharged.
NOTE: The fuel gauge is only an indication of the charge left on
the battery pack. It does not indicate tool functionality and is
subject to variation based on product components, temperature
and end-userapplication.
Changing Blades
To Install the Blade (Fig.B–E)
1. Remove thebattery.
18
ENGLISH
2. Using the lower guard lever
14
, retract the lower blade
guard
12
and place blade on saw spindle against the inner
clamp washer
22
, making sure that the blade will rotate
in the proper direction (the direction of the rotation arrow
on the saw blade and the teeth must point in the same
direction as the direction of rotation arrow on the saw). Do
not assume that the printing on the blade will always be
facing you when properly installed. When retracting the
lower blade guard to install the blade, check the condition
and operation of the lower blade guard to assure that it is
working properly. Make sure it moves freely and does not
touch the blade or any other part, in all angles and depths
ofcut.
3. Place outer clamp washer
23
on saw spindle with the
beveled edge facing out. Make sure the 30mm diameter on
the blade side of the clamp fits into the 30mm hole in the
saw blade to ensure centring of theblade.
4. Thread the blade clamping screw
13
onto the saw spindle
by hand (screw has right-hand threads and must be turned
clockwise to tighten).
5. Depress the blade lock
5
while turning the saw spindle
with the blade wrench
24
stored underneath the battery
compartment, until the blade lock engages and the blade
stopsrotating.
6. Tighten the blade clamping screw firmly with the
bladewrench.
NOTICE: Never engage the blade lock while saw is
running, or engage in an effort to stop the tool. Never
turn the saw on while the blade lock is engaged. Serious
damage to your saw willresult.
To Replace the Blade (Fig.B–E)
1. Remove thebattery.
2. To loosen the blade clamping screw
13
, depress the
blade lock
5
and turn the saw spindle with the blade
wrench
24
, stored underneath the battery compartment,
until the blade lock engages and the blade stops rotating.
With the blade lock engaged, turn the blade clamping
screw counterclockwise with the blade wrench (screw has
right-hand threads and must be turned counterclockwise
to loosen).
3. Remove the blade clamping screw
13
and outer clamp
washer
23
. Remove oldblade.
4. Clean any sawdust that may have accumulated in the
guard or clamp washer area and check the condition and
operation of the lower blade guard as previously outlined.
Do not lubricate thisarea.
5. Select the proper blade for the application (refer to Blades).
Always use blades that are the correct size (diameter)
with the proper size and shape centre hole for mounting
on the saw spindle. Always assure that the maximum
recommended speed (rpm) on the saw blade meets or
exceeds the speed (rpm) of thesaw.
6. Follow steps 1 through 5 under To Install the Blade, making
sure that the blade will rotate in the properdirection.
Lower Blade Guard
WARNING: The lower blade guard is a safety feature
that reduces the risk of serious personal injury. Never
use the saw if the lower guard is missing, damaged,
misassembled or not working properly. Do not rely
on the lower blade guard to protect you under all
circumstances. Your safety depends on following
all warnings and precautions as well as proper
operation of the saw. Check the lower blade guard
for proper closing before each use. If the lower blade
guard is missing or not working properly, have the
saw serviced before using. To assure product safety
and reliability, repair, maintenance and adjustment
should be performed by an authorised service centre
or other qualified service organization, always using
identical replacementparts.
Checking the Lower Guard (Fig.A)
1. Turn tool off and disconnect from powersupply.
2. Rotate the lower guard lever
14
from the fully closed
position to the fully openposition.
3. Release the lever and observe the guard
12
return to the
fully closedposition.
The tool should be serviced by a qualified service centre if it:
fails to return to the fully closed position,
moves intermittently or slowly, or
contacts the blade or any part of the tool in all angles and
depth ofcut.
Blades
WARNING: To minimise the risk of eye injury, always
use eye protection. Carbide is a hard but brittle material.
Foreign objects in the workpiece such as wire or nails
can cause tips to crack or break. Only operate saw when
proper saw blade guard is in place. Mount blade securely
in proper rotation before using, and always use a clean,
sharpblade.
WARNING: Do not cut metal, plastic, concrete, masonry
or fiber cement materials with thissaw.
190mm Diameter
Application Teeth
Fast rip 18
Rip 24
General Purpose 40
184mm Diameter
Application Teeth
Rip 24
General Purpose 36
Finish 60
If you need assistance regarding blades, please contact your
local
DeWALTdealer.
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