DeWALT DCH273P2 User manual

Final Page size: A5 (148mm x 210mm)

DCH143
DCH243
DCH253
DCH254
DCH273
DCH274

DeWALT

English (original instructions) 4

Copyright

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Figure 2

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Figure 5

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DCH254
DCH274

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HEAVY-DUTY CORDLESS ROTARY HAMMERDRILL
DCH143, DCH243, DCH253, DCH254, DCH273, DCH274

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

DCH143 DCH243 DCH253 DCH254 DCH273 DCH274
Voltage V
Type 1 1 2 2 1 1
Max power output W 400 400 400 400 400 400
No-load speed min-10–1100 0–1150 0–1200 0–1200 0–1100 0–1100
Impact rate bpm 0–4350 0–4400 0–4500 0–4500 0–4600 0–4600
Single impact energy (EPTA 05/2009) J 2.0 2.1 2.1 2.1 2.1 2.1

Maximum drilling range in
steel/wood/concrete mm 10/20/20 13/26/20 13/26/24 13/26/24 13/26/24 13/26/24
Chuck SDS Plus

Collar diameter mm 54 54 54 54 54 54
Battery Type Li-Ion Li-Ion Li-Ion Li-Ion Li-Ion Li-Ion
Weight (without battery pack) kg 2.5 2.4 2.5 2.7 2.5 2.7

Noise and vibration total values (triax vector sum) according to EN60745-2-6:
LPA (emission sound pressure level)
LWA (sound power level)
K

(uncertainty for the given sound level)

14.4 18 18 18 18 18

DC

®

SDS Plus

®

SDS Plus

®

SDS Plus

®

SDS Plus

®

SDS Plus

dB(A) 86 86 86 86 86 86
dB(A) 97 97 97 97 97 97
dB(A) 3 3 3 3 3 3

®

Drilling into concrete

Vibration emission value a

= m/s² 6.6 7.4 6.6 6.6 6.6 6.6

h, HD

Uncertainty K = m/s² 1.5 1.5 1.5 1.5 1.5 1.5

Chiselling

Vibration emission value a

= m/s² 5.4 6.0 5.4 5.4 5.4 5.4

,

Cheq

h

Uncertainty K = m/s² 1.5 1.5 1.5 1.5 1.5 1.5

Drilling into metal

Vibration emission value ah,D = m/s² ≤ 2.5 ≤ 2.5 ≤ 2.5 ≤ 2.5 ≤ 2.5 ≤ 2.5
Uncertainty K = m/s² 1.5 1.5 1.5 1.5 1.5 1.5

Screwdriving

Vibration emission value ah = m/s² ≤ 2.5 ≤ 2.5 ≤ 2.5 ≤ 2.5 ≤ 2.5 ≤ 2.5
Uncertainty K = m/s² 1.5 1.5 1.5 1.5 1.5 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

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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.

English

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.

Battery pack DCB140 DCB141 DCB142
Battery type Li-Ion Li-Ion Li-Ion
Voltage V

14.4 14.4 14.4

DC

Capacity Ah 3.0 1.5 4.0
Weight kg 0.53 0.30 0.54

Battery pack DCB143 DCB144 DCB145
Battery type Li-Ion Li-Ion Li-Ion
Voltage V

14.4 14.4 14.4

DC

Capacity Ah 2.0 5.0 1.3
Weight kg 0.30 0.52 0.30

Battery pack DCB180 DCB181 DCB182
Battery type Li-Ion Li-Ion Li-Ion
Voltage V

18 18 18

DC

Capacity Ah 3.0 1.5 4.0
Weight kg 0.64 0.35 0.61

Battery pack DCB183/B DCB184/B DCB185
Battery type Li-Ion Li-Ion Li-Ion
Voltage V

18 18 18

DC

Capacity Ah 2.0 5.0 1.3
Weight kg 0.40/0.45 0.62/0.67 0.35

Charger DCB105
Mains voltage V

AC

230
Battery type 10.8/14.4/18 Li-Ion
Approx. charging time of

battery packs

min 25 (1.3 Ah) 30 (1.5 Ah) 40 (2.0 Ah)

55 (3.0 Ah) 70 (4.0 Ah) 90 (5.0 Ah)

Weight kg 0.49

Charger DCB107
Mains voltage V

AC

230
Battery type 10.8/14.4/18 Li-Ion
Approx. charging time of

battery packs

min 60 (1.3 Ah) 70 (1.5 Ah) 90 (2.0 Ah)

140 (3.0 Ah) 185 (4.0 Ah) 240 (5.0 Ah)

Weight kg 0.29

Charger DCB112
Mains voltage V

AC

230
Battery type 10.8/14.4/18 Li-Ion
Approx. charging time of

battery packs

min 40 (1.3 Ah) 45 (1.5 Ah) 60 (2.0 Ah)

90 (3.0 Ah) 120 (4.0 Ah) 150 (5.0 Ah)

Weight kg 0.36

Charger DCB113
Mains voltage V

AC

230
Battery type 10.8/14.4/18 Li-Ion
Approx. charging time of

battery packs

min 30 (1.3 Ah) 35 (1.5 Ah) 50 (2.0 Ah)

70 (3.0 Ah) 100 (4.0 Ah) 120 (5.0 Ah)

Weight kg 0.4

Charger DCB115
Mains voltage V

AC

230
Battery type 10.8/14.4/18 Li-Ion
Approx. charging time of

battery packs

min 22 (1.3 Ah) 22 (1.5 Ah) 30 (2.0 Ah)

45 (3.0 Ah) 60 (4.0 Ah) 75 (5.0 Ah)

Weight kg 0.5

Fuses:
Europe 230V tools 10 Amperes. mains
U.K. & Ireland 230V tools 3 Amperes. in plugs

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

WARNING: Indicates a potentially

CAUTION: Indicates a potentially

NOTICE: Indicates a practice

Denotes risk of electricshock.

Denotes risk offire.

hazardous situation which, if not avoided,
will result in death or seriousinjury.

hazardous situation which, if not
avoided, could result in death or
seriousinjury.

hazardous situation which, if not
avoided, may result in minor or

moderateinjury.

not related to personal injury
which, if not avoided, may result in
propertydamage.

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EC-Declaration of Conformity

MACHINERY DIRECTIVE

HEAVY-DUTY CORDLESS ROTARY HAMMERDRILL
DCH143, DCH243, DCH253, DCH254, DCH273, DCH274

declares that these products described
under Technical Data are in compliance with:
2006/42/EC, EN60745-1:2009+A11:2010,
EN60745-2-6:2010.

These products also comply with Directive
2004/108/EC (until 19.04.2016), 2014/30/EU (from

20.04.2016) and 2011/65/EU. For more information,
please contact
refer to the back of the manual.

The undersigned is responsible for compilation of the
technical file and makes this declaration on behalf of

Markus Rompel
Director Engineering

D-65510, Idstein, Germany

06.11.2015

WARNING: To reduce the risk of injury,

.

, Richard-Klinger-Straße 11,

read the instructionmanual.

at the following address or

General Power Tool Safety Warnings

WARNING! Read all safety warnings

The term “power tool” in the warnings refers to your
mains-operated (corded) power tool or battery­operated (cordless) powertool.

1) WORK AREA SAFETY

a) Keep work area clean and well lit.

b) Do not operate power tools in explosive

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

Cluttered or dark areas inviteaccidents.

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 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.

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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.

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.

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.

Additional Safety Instructions for
Rotary Hammers

• Wear ear protectors. Exposure to noise can

cause hearingloss.

• Use auxiliary handles supplied with the tool.

Loss of control can cause personalinjury.

• Hold power tools by insulated gripping

surfaces when performing an operation
where the cutting tool may contact hidden
wiring. Contact with a “live” wire will make

exposed metal parts of the tool “live” and could
give the operator an electricalshock.

• Use clamps or other practical way to secure

and support the workpiece to a stable
platform. Holding the work by hand or against

your body is unstable and may lead to loss
ofcontrol.

• Wear safety goggles or other eye protection.

Hammering operations cause chips to fly. Flying
particles can cause permanent eye damage.
Wear a dust mask or respirator for applications
that generate dust. Ear protection may be
required for mostapplications.

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• Keep a firm grip on the tool at all times.

Do not attempt to operate this tool
without holding it with both hands. It is

recommended that the side handle be used at
all times. Operating this tool with one hand will
result in loss of control. Breaking through or
encountering hard materials such as re-bar may
be hazardous as well. Tighten the side handle
securely beforeuse.

• Do not operate this tool for long periods of

time. Vibration caused by hammer action may
be harmful to your hands and arms. Use gloves
to provide extra cushion and limit exposure by
taking frequent restperiods.

• Do not recondition bits yourself. Chisel

reconditioning should be done by an authorized
specialist. Improperly reconditioned chisels
could causeinjury.

• Wear gloves when operating tool or

changing bits. Accessible metal parts on the
tool and bits may get extremely hot during
operation. Small bits of broken material may
damage barehands.

• Never lay the tool down until the bit has

come to a complete stop. Moving bits could
causeinjury.

• Do not strike jammed bits with a hammer to

dislodge them. Fragments of metal or material
chips could dislodge and causeinjury.

• Slightly worn chisels can be resharpened

bygrinding.

• Keep the power cord away from the rotating

bit. Do not wrap the cord around any part of

your body. An electric cord wrapped around a
spinning bit may cause personal injury and loss
ofcontrol.

Residual Risks

The following risks are inherent to the use of rotary
hammers:

– Injuries caused by touching the rotating parts or

hot parts 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 concrete and/
ormasonry.

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 surface that
forms the mounting joint between tool andbattery.

Example:

2016 XX XX

Year of Manufacture

Important Safety Instructions for All
Battery Chargers

SAVE THESE INSTRUCTIONS: This manual
contains important safety and operating instruc tions
for compatible batterychargers.

• Before using charger, read all instructions and
cautionary markings on charger, battery pack,
and product using batterypack.

WARNING: Shock hazard. Do not allow

WARNING: We recommend the use of

CAUTION: Burn hazard. To reduce

CAUTION: Children should be

NOTICE: Under certain conditions, with

any liquid to get inside charger. Electric
shock mayresult.

a residual current device with a residual
current rating of 30mA or less.

the risk of injury, charge only
rechargeable batteries. Other types of
batteries may burst causing personal
injury anddamage.

supervised to ensure that they do not
play with theappliance.

the charger plugged in to the power
supply, the charger can be shorted by
foreign material. Foreign materials of
a conductive nature such as, but not
limited to, grinding dust, metal chips,
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

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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
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. 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 2 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.

SAVE THESE INSTRUCTIONS

Chargers

The DCB105, DCB107, DCB112, DCB113 and
DCB115 chargers accept 10.8V, 14.4V and 18V
Li-Ion XR (DCB123, DCB127, DCB140, DCB141,
DCB142, DCB143, DCB144, DCB145, DCB180,
DCB181, DCB182, DCB183, DCB183B, DCB184,
DCB184B and DCB185) battery packs.

chargers require no adjustment and are

designed to be as easy as possible tooperate.

Charging Procedure (Fig.3)

1. Plug the charger into an appropriate outlet
before inserting batterypack.

2. Insert the battery pack(F) into the charger.
The red (charging) light will blink continuously
indicating that the charging process hasstarted.

3. The completion of charge will be indicated by
the red light remaining ON continuously. The
pack is fully charged and may be used at this
time or left in thecharger.

NOTE: To ensure maximum performance and life of
Li-Ion batteries, charge the battery pack fully before
firstuse.

Charging Process

Refer to the table below for the charge status of the
battery pack.

Charge indicators: DCB105

charging

fully charged

hot/cold pack delay

replace battery pack

Charge indicators: DCB107, DCB112, DCB113, DCB115

charging

fully charged

hot/cold pack delay*

* DCB107, DCB112, DCB113, DCB115: The red

light will continue to blink, but a yellow indicator
light will be illuminated during this operation.
Once the battery has reached an appropriate
temperature, the yellow light will turn off and the
charger will resume the charging procedure.

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The compatible charger(s) will not charge a faulty
battery pack. The charger will indicate faulty battery
by refusing to light or by displaying problem pack or
charger blink pattern.

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 that is too hot
or too cold, it automatically starts a Hot/Cold Pack
Delay, suspending charging until the battery has
reached an appropriate temperature. The charger
then automatically switches to the pack charging
mode. This feature ensures maximum battery life.

A cold battery pack will charge at about half the rate
of 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 warms.

LITHIUM-ION BATTERY PACKS ONLY

XR Li-Ion tools are designed with an Electronic
Protection System that will protect the battery
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 on the charger until it is fully
charged.

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

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 (105 ˚F) (such as
outside sheds or metal buildings in summer).

WARNING: Never attempt to open the

CAUTION: When not in use, place

SPECIFIC SAFETY INSTRUCTIONS FOR LITHIUM ION
(Li-Ion)

• Do not incinerate the battery pack even if it

• If battery contents come into contact with

• Contents of opened battery cells may cause

WARNING: Burn hazard. Battery liquid

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.

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.

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.

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.

respiratory irritation. Provide fresh air. If
symptoms persists, seek medicalattention.

may be flammable if exposed to spark
orflame.

Transportation

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

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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
will be excepted from being classified as a fully
regulated Class 9 Hazardous material. In general, the
two instances that require shipping Class 9 are:

1. Air shipping more than two
battery packs when the package contains only
battery packs (no tools), and

2. Any shipment containing a lithium-ion battery
with an energy rating greater than 100 watt
hours (Wh). All lithium-ion batteries have the
watt hour rating marked on thepack.

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.

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.

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.

battery pack

lithium-ion

Battery Pack

BATTERY TYPE

The DCH143 operates on 14.4 V battery packs. The
DCH243, DCH253, DCH254, DCH273 and DCH274
operate on 18 V batterypacks.

The DCB140, DCB141, DCB142, DCB143,
DCB144 or DCB145 battery packs (14.4 V) may be
used on theDCH143.

The DCB180, DCB181, DCB182, DCB183,
DCB183B, DCB184, DCB184B or DCB185
battery packs (18 V) may be used on the DCH243,
DCH253, DCH254, DCH273 andDCH274.

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.

Battery charging.

Battery charged.

Battery defective.

Hot/cold pack delay.

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
designated
battery packs other than the designated

charger may make them burst or lead to
other dangerous situations.

battery packs only with

batteries with a

chargers. Charging

11

English

Do not incinerate the battery pack.

Package Contents

The package contains:
1 Cordless rotary hammerdrill
1 Side handle and depth rod
1 Charger
1 Battery pack (D1, L1, M1, P1)
2 Battery packs (D2, L2, M2, P2)
3 Battery packs (D3, L3, M3, P3)

1 Keyless chuck (DCH254, DCH274)
1 Kit box
1 Instruction manual

NOTE: Battery packs and chargers are not included
with N-models.

• 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.

Description (Fig.1, 3, 7)

WARNING: Never modify the power

tool or any part of it. Damage or
personal injury couldresult.

A. Variable speed switch
B. Forward/reverse button
C. Mode selector
D. Worklight (DCH143, DCH253, DCH254,

DCH273, DCH274)

E. Side handle
F. Battery pack
G. Release button
H. Main handle
I. Drill bit symbol (rotary drilling mode)
J. Hammerdrilling symbol (rotary hammering

mode)

K. Hammer symbol (hammering only mode)
L. SDS Plus® tool holder
M. Sleeve
N. Fuel gauge button
O. Dust cover
P. Locking collar

Q. Keyless chuck (DCH254, DCH274)
R. Belt hook (DCH273, DCH274)
S. Mode selector button
T. Dust extraction system electrical connection

INTENDED USE

Your DCH143, DCH243, DCH253, DCH254,
DCH273 and DCH274 cordless rotary hammerdrills
have been designed for professional drilling and
hammerdrilling applications, as well as screwdriving
and chippingapplications.

DO NOT use under wet conditions or in presence of
flammable liquids orgases.

These hammerdrills 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.

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organization.

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.

12

English

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 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.

ASSEMBLY AND ADJUSTMENTS

WARNING: Prior to assembly and

adjustment, always remove the battery
pack. Always switch off the tool before
inserting or removing the batterypack.

WARNING: Use only DeWALT battery

packs andchargers.

Inserting and Removing the
Battery Pack from the Tool (Fig.3)

WARNING: To reduce the risk of injury,

never depress the battery release button
without removing the battery pack.
Depressing the battery release button
without removing the battery pack
can result in the battery pack falling
outunexpectedly.

NOTE: For best results, make sure your battery
pack is fullycharged.

TO INSTALL THE BATTERY PACK INTO THE TOOL HANDLE

1. Align the battery pack(F) with the rails inside the
tool’s handle (Fig.3).

2. Slide it into the handle until the battery pack is
firmly seated in the tool and ensure that it does
notdisengage.

TO REMOVE THE BATTERY PACK FROM THE TOOL

1. Press the battery release button(G) 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.3)

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(N). 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 end­userapplication.

Variable Speed Switch (Fig.1)

To turn the tool on, squeeze the trigger switch(A). To
turn the tool off, release the trigger switch. Your tool
is equipped with a brake. The tool holder will stop as
soon as the trigger switch is fullyreleased.

The variable speed trigger switch enables you to
select the best speed for a particular application.
The farther you squeeze the trigger switch, the faster
the tool will operate. For maximum tool life, use
variable speed only for starting holes orfasteners.

NOTE: Continuous use in variable speed range is
not recommended. It may damage the switch and
should beavoided.

Side Handle (Fig.1)

WARNING: To reduce the risk of

personal injury, ALWAYS operate
the tool with the side handle properly
installed. Failure to do so may result
in the side handle slipping during tool
operation and subsequent loss of
control. Hold tool with both hands to
maximizecontrol.

The side handle(E) clamps to the front of the gear
case and may be rotated 360˚ to permit right- or
left-hand use. The side handle must be tightened
sufficiently to resist the twisting action of the tool if
the accessory binds or stalls. Be sure to grip the
side handle at the far end to control the tool
during astall.

To loosen side handle, rotatecounterclockwise.

Forward/Reverse Control Button
(Fig.1, 2)

WARNING: Always wait until the motor

has come to a complete standstill
before changing the direction ofrotation.

A forward/reverse control button(B) determines
the direction of the tool and also serves as a lock
offbutton.

To select forward rotation, release the trigger switch
and depress the for ward/re verse control button on
the right side of thetool.

To select reverse, release the trigger switch and
depress the forward/reverse control button on the
left side of thetool.

13

English

The center position of the control button locks the
tool in the off position. When changing the position
of the control button, be sure the trigger isreleased.

NOTE: The first time the tool is run after changing
the direction of rotation, you may hear a click on
start up. This is normal and does not indicate
aproblem.

Worklight (Fig.1)

DCH143, DCH253, DCH254, DCH273, DCH274

There is a worklight(D) located on the front of the
tool. The worklight will be activated when the trigger
switch is squeezed. The worklight is activated
when the trigger switch is depressed, and will
automatically turn off 20 seconds after the trigger
switch is released. If the trigger switch remains
depressed, the worklight will remainon.

NOTE: The worklight is for lighting the immediate
work surface and is not intended to be used as
aflashlight.

Selecting the Operating Mode (Fig.1)

WARNING: Do not select the operating

mode when the tool isrunning.

Your tool is equipped with a separate mode
selector(C) to switch between rotary drilling, rotary
hammering and hammering onlymode.

Rotary drilling: for screwdriving and for drilling

into steel, wood andplastics.

Rotary hammering: for concrete and

masonrydrilling.

Hammering only: for lightchipping.

Before attempting to rotate the mode selector
depress the mode selector button(S). For rotary
drilling, rotate the mode selector(C) until the arrow
points to the drill bit symbol(I). For rotary hammering
mode, align the arrow with the hammerdrilling
symbol(J). For hammering only mode, align arrow
with the hammer symbol(K).

NOTE: The mode selector(C) must be in rotary
drilling, rotary hammering or hammering only
mode at all times. There are no operable positions
inbetween.

Active Vibration Control

The active vibration control neutralises rebound
vibration from the hammer mechanism. Lowering
hand and arm vibration, it allows more comfortable
use for longer periods of time and extends the life of

the unit. In operation, a spring loaded mechanism
counterbalances the vibration forces. This can be
sensed by the cushioning effect when pressure is
applied to the tool. Make sure the spring is engaged
but not too firmly. The mechanism should be
allowed to "float."

Belt Hook (Fig.1, 4)

DCH273, DCH274

A belt hook(R) is fitted below the main handle(H) on
the left side of the tool. To extend the belt hook pull
it out from the side of the tool. To store the belt hook
push it back flush with the side of thetool. The belt
hook(R) can be positioned to the left or right of the
tool to accommodate left or right-handed users.

1. Position the belt hook into the extended position
and remove the hex head screw located on the
underside of the main handle.

2. Pull out the belt hook until it is free from the unit.

3. Reinsert the belt hook into the desired side and
push it into the slot.
NOTE: On some models the slot may be
covered with a sticker. Either remove the
sticker or pierce the sticker to expose the slot
underneath.

4. Re-insert the hex screw and tighten securely.

If use of the hook is not desired at all, it can be
removedcompletely.

SDS Plus® Tool Holder (Fig.5)

To insert a drill or chisel bit, insert the shank of
the bit about 19 mm (3/4") into SDS Plus® tool
holder(L). Push and rotate bit until it locks in place.
The bit will be securelyheld.

To release bit, pull the sleeve(M) back and remove
thebit.

Replacing the SDS Plus® Tool Holder
with the Keyless Chuck (Fig.7)

DCH254, DCH274

1. Turn the locking collar(P) into the unlocked
position and pull the SDS Plus® tool
holder(L)off.

2. Push the keyless chuck(Q) onto the spindle and
turn the locking collar into the lockingposition.

3. To replace the keyless chuck with the
SDS Plus® tool holder, first remove the keyless
chuck the same way as the SDS Plus® tool
holder was removed. Then replace the
SDS Plus® tool holder the same way as the
keyless chuck wasreplaced.

14

English

WARNING: Never use standard chucks

in the rotary hammeringmode.

Overload Clutch

There are two different types of overload clutch
fitted. The DCH143, DCH243, DCH253 and
DCH254 have a mechanical overload clutch, the
DCH273 and DCH274 have an electronic overload
clutch fitted.

In case of jamming of a drill bit, the drive to the
drill spindle is interrupted. On units fitted with a
mechanical clutch the indication that the clutch has
activated will be an audible ratcheting together with
increased vibration. If the electronic clutch activates
the motor is repeatedly switched on and off for a few
seconds to replicate the feedback associated with a
mechanical clutch. Release and depress the trigger
to re-engage drive.

Because of the resulting forces, always hold the tool
with both hands and take a firmstance.

Dust Extraction System (Fig.1)

A dedicated integrated dust extraction
system (D25303DH) is available and can be
purchasedseparately.

To operate the D25303DH uses an electrical
connection(T) to the rotary hammer.

The DCH253, DCH254 (TYPE 2 Only), DCH273,
and DCH274 rotary hammer models are equipped
with the electrical connection(T).

NOTE: The D25303DH is not compatible with
the DCH143, DCH243 or TYPE 1 versions of the
DCH253 and DCH254.

The DCH274 is available supplied complete with a
D25303DH and extended kit box as the DCH275.

OPERATION

Instructions for Use

WARNING:

• Always observe the safety instructions

and applicableregulations.

• Be aware of the location of pipework
andwiring.

• Apply only a gentle pressure to
the tool (approx. 5 kg). Excessive
force does not speed up drilling but
decreases tool performance and may
shorten toollife.

• Do not drill or drive too deep to
prevent damage to the dust cover(O).

• Always hold the tool firmly with both
hands and ensure a secure stance.
Always operate the tool with the side
handle properlymounted.

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.

Proper Hand Position (Fig.1, 6)

WARNING: To reduce the risk of

serious personal injury, ALWAYS
use proper hand position as shown
in figure6.

WARNING: To reduce the risk of

serious personal injury, ALWAYS
hold securely in anticipation of a
suddenreaction.

Proper hand position requires one hand on the
main handle(H), with the other hand on the side
handle(E).

Drill Operation (Fig.1)

WARNING: To reduce the risk of

serious personal injury, turn tool off
and disconnect tool from power
source before making any adjustments
or removing/installing attachments
oraccessories.

WARNING: To reduce the risk of

personal injury, ALWAYS ensure
workpiece is anchored or clamped
firmly. If drilling thin material, use a wood
“back-up” block to prevent damage to
thematerial.

HAMMERDRILLING (FIG.1)

1. Set the mode selector switch(C) to the "rotary

hammering"position.

2. Insert the appropriate drill bit. For best results

use high quality carbide-tippedbits.

3. Adjust the side handle(E) asrequired.

4. Mark the spot where the hole is to bedrilled.

5. Place the drill bit on the spot and switch on

thetool.

ROTARY DRILLING (FIG.1)

1. Set the mode selector switch(C) to the "rotary

drilling"position.

2. Depending on your tool, follow either of the

following instructions:

15

English

DeWALT

DeWALT

– Fit a chuck adaptor/chuck assembly

(DCH143, DCH243, DCH253, DCH273).
Special SDS Plus® adaptors with threaded
sections are available for use with standard
10 or 13 mm chucks to enable straight shank
bits to beused.

– Replace the SDS Plus® tool holder with the

keyless chuck (DCH254, DCH274).

3. Proceed as described for rotaryhammering.

WARNING: Never use standard chucks

in the rotary hammeringmode.

SCREWDRIVING (FIG.1)

1. Set the mode selector switch(C) to the "rotary
drilling"position.

2. Select the direction ofrotation.

3. Depending on your tool, follow either of the
following instructions:

– Insert the special SDS Plus® screwdriving

adaptor for use with hexagonal screwdriver
bits (DCH143, DCH243, DCH253, DCH273).

– Replace the SDS Plus® tool holder with the

keyless chuck (DCH254, DCH274).

4. Insert the appropriate screwdriver bit. When
driving slotted head screws always use bits with
a findersleeve.

5. Gently press the variable speed switch(A) to
prevent damage to the screw head. In reverse
(LH) rotation the tool speed is automatically
reduced for easy screwremoval.

6. When the screw is flush with the workpiece,
release the variable speed switch to prevent
the screw head from penetrating into
theworkpiece.

CHIPPING (FIG.1)

1. Set the mode selector switch(C) to the
"hammering only"position.

2. Insert the appropriate chisel and check if it is
properlylocked.

3 Adjust the side handle(E) asrequired.

4. Switch on the tool and startworking.

It may be necessary to briefly run the motor after
having changed from chiselling to rotary modes in
order to align thegears.

WARNING:

• Do not use this tool to mix or pump

easily combustible or explosive fluids
(benzine, alcohol, etc.).

• Do not mix or stir inflammable liquids

labelledaccordingly.

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

This machine is not user-serviceable. Take the
tool to an authorised
approximately 40 hours of use. If problems occur
before this time contact an authorised
repairagent.

The charger and battery pack are not serviceable.
There are no serviceable partsinside.

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.

repair agent after

Lubrication

Your power tool requires no additionallubrication.

Cleaning

WARNING: Blow dirt and dust out of

WARNING: Never use solvents or

CHARGER CLEANING INSTRUCTIONS

WARNING: Shock hazard. Disconnect

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.

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.

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 non­metallic brush. Do not use water or any
cleaningsolutions.

16

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 DeWA LT recommended
accessories should be used with
thisproduct.

Various types of SDS Plus® drill bits and chisels are
available as anoption.

Accessories and attachments used must be
regularly lubricated around the SDS Plus®fitment.

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.

English

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.

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: [phone]

www.dewalt.be
[e-mail]

Danmark DeWALT

Roskildevej 22
2620 Albertslund

Tel: [phone]
Fax: [phone]

www.dewalt.dk
[e-mail]

Deutschland DeWALT

Richard Klinger Str. 11
65510 Idstein

Tel: [phone]
Fax: [phone]

www.dewalt.de
[e-mail]

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
[e-mail]

España DeWALT Ibérica, S.C.A.

Parc de Negocios “M as Blau”
Edificio Muntadas, c/Bergadá, 1, Of. A6
08820 El Prat de Llobregat (Barcelona)

Tel: [phone]
Fax: [phone]

www.dewalt.es
[e-mail]

France DeWALT

5, allée des Hêtres
BP 30084, 69579 Limonest Cedex

Tel: [phone]
Fax: [phone]

www.dewalt.fr
[e-mail]

Schweiz
Suisse
Svizzera

DeWALT
In der Luberzen 42
8902 Urdorf

Tel: 044 - 755 60 70
Fax: 044 - 730 70 67

www.dewalt.ch
[e-mail]

Ireland DeWALT

Calpe House Rock Hill
Black Rock, Co. Dublin

Tel: [phone]
Fax: [phone]

www.dewalt.ie

Italia DeWALT

via Energypark
20871 Vimercate (MB), IT

Tel: [phone]
39 039 9590200

Fax: [phone]

www.dewalt.it

Nederlands DeWALT Netherlands BV

Holtum Noordweg 35
6121 RE BORN, Postbus 83, 6120 AB BORN

Tel: [phone]
Fax: [phone]

www.dewalt.nl

Norge DeWALT

Postboks 4613, Nydalen
0405 Oslo

Tel: [phone]
Fax: [phone]

www.dewalt.no
[e-mail]

Österreich DeWALT

Werkzeug Vertriebsges m.b.H
Oberlaaerstrasse 248, A-1230 Wien

Tel: 01 - 66116 - 0
Fax: 01 - 66116 - 614

www.dewalt.at
[e-mail]

Portugal DeWALT Limited, SARL

Centro de Escritórios de Sintra Avenida
Almirante Gago Coutinho, 132/134, Edifício 14
2710-418 Sintra

Tel: [phone]
Fax: [phone]

www.dewalt.pt
[e-mail]

Suomi DeWALT

PL 47
00521 Helsinki

Puh: 010 400 4333
Faksi: 0800 411 340

www.dewalt.fi
[e-mail]

Sverige DeWALT

Box 94
431 22 Mölndal

Tel: [phone]
Fax: [phone]

www.dewalt.se
[e-mail]

Türkiye KALE Hırdavat ve Makina A.Ş.

Defterdar Mah. Savaklar Cad. No:15
Edirnekapı / Eyüp / İSTANBUL 34050 TÜRKİYE

Tel: [phone]
Faks: 0212 533 10 05

www.dewalt.com.tr

United
Kingdom

DeWALT, 210 Bath Road;
Slough, Berks SL1 3YD

Tel: [phone]
Fax: [phone]

www.dewalt.co.uk
[e-mail]

Australia DeWALT

82 Taryn Drive, Epping
VIC 3076 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: [phone]
Fax: [phone]

www.dewalt.ae
[e-mail]

N467468 02/16

18