DCS391 | DeWalt DCS391 CORDLESS CIRCULAR SAW Type 2 instruction manual

DCS391
Final page size: A5 (148mm x 210mm)
English (original instructions)4
Copyright DeWALT
B
Fig. A
12
1
11
2
9
13
3
8
7
5
6
2
1
13
10
14
4
Fig. B
13
3
3
13
22
1
Fig. C
4
Fig. D
15
10
6
5
Fig. E
17
2
Fig. F
15
16
Fig. G
12
11
6
19
8
18
7
Fig. H
Fig. I
12
20
4
5
21
3
English
165 mm 18V CORDLESS CIRCULAR SAW
DCS391
Congratulations!
EC-Declaration of Conformity
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.
Machinery Directive
Technical Data
Voltage
Type
Battery type
Max. power output
No-load speed
Blade diameter
Maximum depth of cut
Blade bore
Bevel angle adjustment
Weight (without battery pack)
VDC
W
min-1
mm
mm
mm
kg
DCS391
QW, XJ, GB
18
2/10
Li-Ion
760
5150
165
55
20
50˚
2.9
XE
18
2/10
Li-Ion
760
5150
165
55
16
50˚
2.9
Noise values and vibration values (triax vector sum) according to EN60745-2-5:
84
84
LPA(emission sound pressure level) dB(A)
dB(A)
95
95
LWA(sound power level)
K(uncertainty for the given sound dB(A)
3
3
level)
Vibration emission value ah,W =
Uncertainty K =
m/s2
m/s2
< 2.5
1.5
< 2.5
1.5
The vibration emission level given in this information sheet has
been measured in accordance with a standardised test given in
EN60745 and may be used to compare one tool with another. It
may be used for a preliminary assessment of exposure.
WARNING: The declared vibration emission level
represents the main applications of the tool. However if
the tool is used for different applications, with different
accessories or poorly maintained, the vibration emission
may differ. This may significantly increase the exposure
level over the total working period.
An estimation of the level of exposure to vibration should
also take into account the times when the tool is switched
off or when it is running but not actually doing the job.
This may significantly reduce the exposure level over the
total working period.
Identify additional safety measures to protect the operator
from the effects of vibration such as: maintain the tool
and the accessories, keep the hands warm, organisation
of work patterns.
4
Cordless Circular Saw
DCS391
DeWALT declares that these products described under
Technical Data are in compliance with:
2006/42/EC, EN60745-1:2009+A11:2010, EN60745-2-5:2010.
These products also comply with Directive 2014/30/EU and
2011/65/EU. For more information, please contact DeWALT at
the following address or refer to the back of the manual.
The undersigned is responsible for compilation of the technical
file and makes this declaration on behalf of DeWALT.
Markus Rompel
Director Engineering
DeWALT, Richard-Klinger-Straße 11,
D-65510, Idstein, Germany
23.07.2016
WARNING: To reduce the risk of injury, read the
instruction manual.
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.
Weight
English
Batteries
Chargers/Charge Times (Minutes)
Cat #
VDC
Ah
DCB546
DCB547
DCB548
DCB181
DCB182
DCB183/B
DCB184/B
DCB185
DCB187
DCB189
18/54
18/54
18/54
18
18
18
18
18
18
18
6.0/2.0
9.0/3.0
12.0/4.0
1.5
4.0
2.0
5.0
1.3
3.0
4.0
Weight (kg) DCB107
1.05
1.25
1.46
0.35
0.61
0.40
0.62
0.35
0.54
0.54
270
420
540
70
185
90
240
60
140
185
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 mainsoperated (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.
DCB113
DCB115
DCB118
DCB132
DCB119
140
220
300
35
100
50
120
30
70
100
90
140
180
22
60
30
75
22
45
60
60
85
180
22
60
30
75
22
45
60
90
140
120
22
60
30
75
22
45
60
X
X
X
45
120
60
150
X
90
120
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 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, clothing and gloves 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.
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English
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.
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.
ADDITIONAL SPECIFIC SAFETY RULES
Safety Instructions for All Saws
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 piece being cut in your hands or across
your leg. 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 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
shock the operator.
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
eccentrically, 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.
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.
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.
6
Causes and Operator Prevention
of Kickback
•
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.
English
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 is binding,
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 cut. If blade
adjustment shifts while cutting, it may cause binding
and kickback.
g ) Use extra caution when making a “plunge cut” 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 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 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.
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 ) Lower guard should be retracted manually only for
special cuts such as “plunge cuts” and “compound
cuts”. Raise lower guard by retracting handle and as
soon as 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 EN 847-1.
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
The following risks are inherent to the use of circular saws.
• Injuries caused by touching the rotating parts or hot part of
the tool.
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 squeezing fingers when changing the accessory.
• Health hazards caused by breathing dust developed when
working in wood.
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 EN60335; therefore no earth wire
is required.
If the supply cord is damaged, it must be replaced by a
specially prepared cord available through the DeWALT
service organisation.
Mains Plug Replacement
(U.K. & Ireland Only)
If a new mains plug needs to be fitted:
• Safely dispose of the old plug.
• Connect the brown lead to the live terminal in the plug.
• Connect the blue lead to the neutral terminal.
WARNING: No connection is to be made to the
earth terminal.
Follow the fitting instructions supplied with good quality plugs.
Recommended fuse: 3 A.
Using an Extension Cable
An extension cord should not be used unless absolutely
necessary. Use an approved extension cable suitable for
7
English
the power input of your charger (see Technical Data). The
minimum conductor size is 1 mm2; the maximum length
is 30 m.
When using a cable reel, always unwind the cable completely.
SAVE THESE INSTRUCTIONS
Chargers
DeWALT chargers require no adjustment and are designed to be
as easy as possible to operate.
•
•
•
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.
• 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.
8
•
•
•
•
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
230V 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. B)
1. Plug the charger into an appropriate outlet before inserting
battery pack.
2. Insert the battery pack 3 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 13 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.
English
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.
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
catalog 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 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.
9
English
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.
Transporting the FLEXVOLTTM Battery
The DeWALT FLEXVOLTTM battery has two modes: Use and
Transport.
Use Mode: When the FLEXVOLTTM battery stands alone or is in
a DeWALT 18V product, it will operate as an 18V battery. When
the FLEXVOLTTM battery is in a 54V or a 108V (two 54V batteries)
product, it will operate as a 54V battery.
Transport Mode: When the cap is attached to the FLEXVOLTTM
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
10
certain shipping regulations that are imposed upon the higher
Watt hour batteries.
For example, the Transport Example of Use and Transport Label Marking
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.
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.
English
3 Battery pack
Do not incinerate the battery pack.
4 Depth adjustment lever
5 Shoe
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 DCS391 operates on an 18V XR Li-Ion battery pack.
These battery packs may be used: DCB181, DCB182, DCB183,
DCB183B, DCB184, DCB184B, DCB185, DCB189, DCB546,
DCB548. Refer to Technical Data for more information.
Package Contents
The package contains:
1Cordless circular saw
1 24-tooth blade
1 Hex key
1 Rip Guide
1 Plastic bag (QW, XJ, GB):
1 Dust extraction port
1 M4 X 18 Cap screw
2 Li-Ion battery packs (L2, M2 models)
1 Kitbox (L2, M2 models)
1 Charger (L2, M2 models)
1 Instruction manual
• Check for damage to the tool, parts or accessories which may
have occurred during transport.
• 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.
Date Code Position
The date code, which also includes the year of manufacture, is
printed into the housing.
Example:
2018 XX XX
Year of Manufacture
Description (Fig. A, D, F)
WARNING: Never modify the power tool or any part of it.
Damage or personal injury could result.
1 Trigger switch lock-off button
2 Trigger switch
6 Lower blade guard retracting lever
7 Lower blade guard
8 Blade clamping screw
9 Kerf indicator
10 Bevel adjustment knob
11 Blade lock button
12 Auxiliary handle
13 Battery release button
14 Hex key
15 Rip guide knob
16 Rip guide
Intended Use
Your DCS391 cordless circular saw has been designed for
professional wood sawing applications.
DO NOT use under wet conditions or in the presence of
flammable liquids or gases.
These heavy-duty circular 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. B)
NOTE: Make sure your battery pack 3 is fully charged.
To Install the Battery Pack into the Tool
Handle
1. Align the battery pack 3 with the rails inside the tool’s
handle (Fig. B).
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 13 and firmly pull the battery pack
out of the tool handle.
11
English
2. Insert battery pack into the charger as described in the
charger section of this manual.
Fuel Gauge Battery Packs (Fig. B)
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 22 . 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.
Trigger Switch (Fig. A)
WARNING: This tool has no provision to lock the trigger
switch in the ON position and should never be locked ON
by any other means.
Release the trigger switch lock-off button 1 by pressing the
button as shown. Pull the trigger switch 2 to turn the motor on.
Releasing the trigger switch turns the motor off.
Depth of Cut Adjustment (Fig. A, C)
1. Loosen the depth adjustment lever 4 .
2. Move the shoe 5 to obtain the correct depth of cut.
3. Tighten the depth adjustment lever 4 .
4. For optimal results, allow the saw blade to protrude from
the workpiece by about 3 mm (see inset in Figure C).
Bevel Adjustment (Fig. D)
The bevel angle can be adjusted between 0° and 50°.
1. Loosen the bevel adjustment knob 10 .
2. Set the bevel angle by tilting the saw shoe 5 until the mark
indicates the desired angle on
the scale.
3. Tighten the bevel adjustment knob 10 .
Shoe Adjustment for 90° Cuts (Fig. A, E)
1. Adjust the saw to 0° bevel.
2. Retract the blade guard using the lever 6 and place the saw
on the blade side.
3. Loosen the bevel adjustment knob 10 .
4. Place a square against the blade and shoe to adjust the
90° setting.
5. Turn the calibration screw 17 so that the shoe will stop at
the proper angle.
6. Confirm the accuracy of the setting by checking the
squareness of an actual cut on a scrap piece of material.
Rip Guide Installation and Usage (Fig. F)
Ripping is the process of cutting wider boards into narrow
strips, cutting the grain lengthways. Hand guiding is more
12
difficult for this type of sawing and the use of the rip guide
is recommended.
WARNING: For your own safety, read the instruction
manual before using any accessory. Failure to heed
these warnings may result in personal injury and serious
damage to the saw and accessory. When servicing this
tool, only use identical replacements.
Assembly
1. Loosen the rip guide knob 15 .
2. Insert the rip guide 16 as shown in Figure F.
3. Tighten the rip guide knob 15 securely.
Use the supplied rip guide only with the DCS391 circular saw.
Use of this rip guide with other saws may increase the risk of
kickback and injury.
Before making a cut, ensure the rip fence is securely fastened
to the tool.
After installing the rip guide on the saw or after moving the
guide to change the rip width setting, check the operation
of the lower guard before starting the saw and making a
cut to make sure that the rip guide does not affect proper
guard operation.
Replacing the Saw Blade (Fig. G)
1. Engage the blade lock button 11 and unscrew the blade
clamping screw 8 by turning clockwise using the hex key
supplied with the tool.
2. Retract the lower blade guard 7 using the lever 6 and
replace the blade. Reinstall the washers ( 18 , 19 ) in the
correct position.
3. Check the direction of rotation of the blade.
4. Thread on the blade clamping screw 8 by hand to hold the
washer in position. Turn anti-clockwise.
5. Press the blade lock button 11 while turning the spindle
until the blade stops rotating.
6. Tighten the blade clamping screw firmly using the hex key.
Blades
WARNING: To minimize 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 ferrous metals (steel), masonry,
glass, masonry-type planking, cement board or tile with
this saw.
Do not use abrasive wheels or blades. A dull blade will cause
slow inefficient cutting, overload on the saw motor, excessive
splintering, and could increase the possibility of kickback.
If you need assistance regarding blades, please call contact your
local service center listed on the back of the manual.
English
Prior to Operation
Guiding the Tool (Fig. A)
• Make sure your battery pack is (fully) charged.
• Make sure the guards have been mounted correctly. The
saw blade guard must be in closed position.
• Make sure the saw blade rotates in the direction of the
arrow on the blade.
• Do not use excessively worn saw blades.
• For optimum results, clamp the workpiece bottom up.
• Use the kerf indicator 9 to follow the line drawn on the
workpiece. The kerf indicator lines up with the left side of
the saw blade when set to 50° bevel. The kerf indicator lines
up with the right side of the saw blade when set to 0° bevel.
OPERATION
Instructions for Use
WARNING: Always observe the safety instructions and
applicable regulations.
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: Always wear proper personal hearing
protection. Under some conditions and duration of use,
noise from this product may contribute to hearing loss.
Instructions for Use
WARNING:
• Always observe the safety instructions and
applicable regulations.
• Ensure the material to be sawn is secured in place.
• Apply only a gentle pressure to the tool and do not
exert side pressure on the saw blade. If possible, work
with the saw shoe pressed against the workpiece. This
prevents damage to the blade and stops the tool from
jerking and vibrating.
• Avoid overloading.
• Let the blade run freely for a few seconds before
starting the cut.
Proper Hand Position (Fig. H)
WARNING: To reduce the risk of serious personal injury,
ALWAYS use proper hand position as shown.
WARNING: To reduce the risk of serious personal injury,
ALWAYS hold securely in anticipation of a sudden
reaction.
Hold the tool by the main grip 20 and the auxiliary handle 12 to guide the saw properly.
Switching On and Off (Fig. A)
For safety reasons the trigger switch 2 of your tool is equipped
with a lock-off button 1 .
Press the lock-off button to unlock the tool.
To run the tool, press the trigger switch 2 . As soon as the
trigger switch is released the lock-off switch is automatically
activated to prevent unintended starting of the machine.
NOTICE: Do not switch the tool ON or OFF when the saw
blade touches the workpiece or other materials.
Dust Extraction (Fig. I)
QW, XJ, GB
A dust extraction port 21 is supplied with your tool.
• Always use a vacuum extractor designed in compliance with
the applicable Directives regarding dust emission when
sawing wood. Vacuum hoses of most common vacuum
cleaners will fit directly into the dust extraction spout.
To Install Dust Extraction Port (Fig. I)
1. Fully loosen depth adjustment lever 4 .
2. Place shoe 5 in the lowest position.
3. Align dust extraction port 21 against the bracket on the
shoe as shown.
4. Align tab on the dust extraction port with the threaded hole
on the bracket.
5. Insert screw and tighten securely.
MAINTENANCE
Your DeWALT power tool has been designed to operate
over a long period of time with a minimum of maintenance.
Continuous satisfactory operation depends upon proper tool
care and regular cleaning.
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.
The charger and battery pack are not serviceable.
Lubrication
Your power tool requires no additional lubrication.
Cleaning
WARNING: Blow dirt and dust out of the main housing
with dry air as often as dirt is seen collecting in and around
the air vents. Wear approved eye protection and approved
dust mask when performing this procedure.
WARNING: Never use solvents or other harsh chemicals
for cleaning the non-metallic parts of the tool. These
chemicals may weaken the 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.
13
English
Lower Guard
The lower guard should always rotate and close freely from
a fully open to fully closed position. Always check for correct
operation before cutting by fully opening the guard and letting
it close. If the guard closes slowly or not completely it will need
cleaning or servicing. Do not use the saw until it functions
correctly. To clean the guard, use dry air or a soft brush to
remove all accumulated sawdust or debris from the path of
the guard and from around the guard spring. Should this not
correct the problem, it will need to be serviced by an authorized
service center.
Optional 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.
DO NOT USE WATER FEED ATTACHMENTS WITH THIS SAW.
VISUALLY EXAMINE CARBIDE BLADES BEFORE USE. REPLACE
IF DAMAGED.
Consult your dealer for further information on the
appropriate accessories.
Protecting the Environment
Separate collection. Products and batteries marked
with this symbol must not be disposed of with normal
household waste.
Products and batteries contain materials that can
be recovered or recycled reducing the demand for raw
materials. Please recycle electrical products and batteries
according to local provisions. Further information is available at
www.2helpU.com.
Rechargeable Battery Pack
This long life battery pack must be recharged when it fails
to produce sufficient power on jobs which were easily done
before. At the end of its technical life, discard it with due care for
our environment:
• Run the battery pack down completely, then remove it from
the tool.
• Li-Ion cells are recyclable. Take them to your dealer or a
local recycling station. The collected battery packs will be
recycled or disposed of properly.
14
15
16
17
Belgique et
Luxembourg België en Luxemburg
DeWALT - Belgium BVBA
Egide Walschaertsstraat 16
2800 Mechelen
Tel: NL 32 15 47 37 63
Tel: FR 32 15 47 37 64
Fax:
32 15 47 37 99
www.dewalt.be
enduser.BE@SBDinc.com
Danmark
DeWALT (Stanley Black&Decker AS)
Roskildevej 22
2620 Albertslund
Tel:
Fax:
www.dewalt.dk
kundeservice.dk@sbdinc.com
Deutschland
DeWALT
Richard Klinger Str. 11
65510 Idstein
Tel:06126-21-0
Fax:06126-21-2770
www.dewalt.de
infodwge@sbdinc.com
Ελλάς
DeWALT (Ελλάς) Α.Ε.
EΔΡΑ-ΓΡΑΦΕΙΑ : Στράβωνος 7
& Λ. Βουλιαγμένης, Γλυφάδα 166 74, Αθήνα
SERVICE : Ημερος Τόπος 2 (Χάνι Αδάμ) – 193 00 Ασπρόπυργος
Τηλ:00302108981616
Φαξ:00302108983570
www.dewalt.gr
Greece.Service@sbdinc.com
España
DeWALT Ibérica, S.C.A.
Parc de Negocios “Mas Blau”
Edificio Muntadas, c/Bergadá, 1, Of. A6
08820 El Prat de Llobregat (Barcelona)
Tel:
Fax:
934 797 400
934 797 419
www.dewalt.es
respuesta.postventa@sbdinc.com
France
DeWALT
5, allée des Hêtres
BP 60105, 69579 Limonest Cedex
Tel:
Fax:
04 72 20 39 20
04 72 20 39 00
www.dewalt.fr
scufr@sbdinc.com
Schweiz
Suisse
Svizzera
DeWALT
In der Luberzen 42
8902 Urdorf
Tel:
Fax:
044 - 755 60 70
044 - 730 70 67
www.dewalt.ch
service@rofoag.ch
Ireland
DeWALT
Building 4500, Kinsale Road
Cork Airport Business Park
Cork, Ireland
Tel:00353-2781800
Fax:
01278 1811
www.dewalt.ie
Sales.ireland@sbdinc.com
Italia
DeWALT
via Energypark 6
20871 Vimercate (MB), IT
Tel: Fax: 800-014353
39 039-9590200
39 039-9590311
www.dewalt.it
Nederlands
DeWALT
Netherlands BVPostbus 83,
6120 AB BORN
Tel:
Fax:
31 164 283 063
31 164 283 200
www.dewalt.nl
Norge
DeWALT
Postboks 4613
0405 Oslo, Norge
Tel: Fax: 45 25 13 00
45 25 08 00
www.dewalt.no
kundeservice.no@sbdinc.com
Österreich
DeWALT
Werkzeug Vertriebsges m.b.H
Oberlaaerstrasse 248, A-1230 Wien
Tel: Fax: 01 - 66116 - 0
01 - 66116 - 614
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service.austria@sbdinc.com
Portugal
DeWALT
Ed. D Dinis, Quina da Fonte
Rua dos Malhoes 2 2A 2º Esq.
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2770 071 Paço de Arcos
Tel: Fax: +351 214667500
+351214667580
www.dewalt.pt
resposta.posvenda@sbdinc.com
Suomi
DeWALT
PL47
00521 Helsinki, Suomi
Puh: Faksi:
010 400 4333
0800 411 340
www.dewalt.fi
asiakaspalvelu.fi@sbdinc.com
Sverige
DeWALT
BOX 94
43122 Mölndal
Sverige
Tel:
Fax: 031 68 61 60
031 68 60 08
www.dewalt.se
kundservice.se@sbdinc.com
Türkiye
Sanayi ve Ticareet Bakanlığı tebliğince kullanim ömrü 7 yıldır.
Stanley Black & Decker Turkey Alet Üretim San. Tic. Ltd.Şti.
Kozyataği Mh Değirmen Sk.
Nida Kule No: 18 Kat: 6, 34742
Kadıköy, İstanbul, Türkiye
Tel: Faks:
+90 216 665 2900
+90 216 665 2901
www.dewalt.com.tr
info-tr@sbdinc.com
United
Kingdom
DeWALT, 210 Bath Road;
Slough, Berks SL1 3YD
Tel: Fax: 01753-567055
01753-572112
www.dewalt.co.uk
emeaservice@sbdinc.com
Australia
DeWALT
810 Whitehorse Road Box Hill
VIC 3128 Australia
Tel: Aust 1800 338 002
Tel: NZ 0800 339 258
www.dewalt.com.au
www.dewalt.co.nz
Middle East Africa
DeWALT
P.O. Box - 17164,
Jebel Ali Free Zone (South), Dubai, UAE
Tel: Fax: www.dewalt.ae
Service.MEA@sbdinc.com
N625192
70 20 15 10
70 22 49 10
971 4 812 7400
971 4 2822765
07/18
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