DeWalt D25303DH User manual

D25303DH
Final Page size: A5 (148mm x 210mm)

B
Copyright
DeWALT
English (original instructions) 4

1
Figure A
Figure B
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2
7
1
4
3
6
11
10
9
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32

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Figure D
Figure E
Figure C
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15 17
14
4
18
20
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18
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Figure G
Figure F
9
19
9

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ENGLISH
2 . Keep children away.
Do not let children come into contact with the tool or
extension cord. Supervision is required for those under 16 years
of age.
3 . Use appropriate tool.
The intended use is described in this instruction manual. Do
not force small tools or attachments to do the job of a heavy-
duty tool. The tool will do the job better and safer at the rate
for which it was intended.
WARNING: The use of any accessory or attachment or
performance of any operation with this tool, other than
those recommended in this instruction manual may
present a risk of personal injury.
EC-Declaration of Conformity
Machinery Directive
Dust Extraction System
D25303DH
DeWALT
declares that these products described under
Technical Data are in compliance with:
2006/42/EC, EN60745-1:2009 + A11:2010.
These products also comply with Directive
2004/108/EC (until 19.04.2016) and 2014/30/EU (from
20.04.2016). 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
01.03.2015
WARNING: To reduce the risk of injury, read the
instructionmanual.
Additional Specific Safety Rules for Dust
Extraction Systems
• Do not use the attachment for drilling applications in wood,
steel or plastic.
• Do not use the attachment in core drillingapplications.
• Do not use the attachment for chisellingapplications.
• Use only power tools recommended by
DeWALT
with this
attachment. For more information about
DeWALT
power tools
Congratulations!
You have chosen a D
eWALT
tool. Years of experience, thorough
product development and innovation make
DeWALT
one of the
most reliable partners for professional power tool users.
Technical Data
D25303DH
Contact pressure N60
Max. drilling depth mm 105
Max. drilling diameter mm 16
Voltage V18
Note: Max. drilling depth is only 94 mm when system is used on a rotary
hammer without a quick change chuck.
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.
Safety Instructions
WARNING! Always observe safety regulations applicable
in your country to reduce the risk of fire, electric shock and
personal injury.
Read all of this manual carefully before operating the attachment.
Also refer to the manual of any power tool that will be used with
this attachment.
SAVE THIS MANUAL FOR FUTURE
REFERENCE
General Safety Rules
1 . Keep work area clear.
Cluttered areas and benches invite injuries.
English (original instructions)
DUST EXTRACTION SYSTEM
D25303DH

5
ENGLISH
compatible with this attachment, please contact your local
dealer, refer to the addresses at the back of the manual or visit
www.dewalt.com.
• Do not use the tool in damp or wet conditions.
• Do not allow to be used as a toy. Close attention is necessary
when used by or nearchildren.
• Use only as described in this manual. Use only manufacturer's
recommended attachments.
• Do not put any object into openings. Do not use with any
opening blocked; keep free of dust, lint, hair and anything that
may reduce airflow.
• Keep hair, loose clothing, fingers and all parts of body away
from openings and moving parts.
• Do not use to pick up flammable or combustible liquids, such
as gasoline, or use in areas where they may be present.
Residual Risks
The following risks are inherent to the use of the dust extraction
system:
• 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 Dust Extraction System
The following pictograms are shown on the tool:
Read instruction manual before use.
Date Code Position
The Date Code, which also includes year of manufacture, is
printed into the housing surface that forms the mounting joint
between tool and dust box.
Example:
2016 XX XX
Year of Manufacture
Package Contents
The package contains:
1 Dust extraction system
1 Side handle
1 Dust extraction head/dust brush
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.
Description (Fig. A–C, E, G)
WARNING: Never modify the power tool or any part of it.
Damage or personal injury could result.
1 Dust extraction system
2 Base release buttons
3 Dust collection box
4 Dust collection box release buttons
5 Telescope
6 Depth adjustment button
7 Length adjustment button
8 Dust extraction head
9 Dust brush
10 Side handle
11 Side handle support groove
12 Side handle support locator
13 Dust extractor electrical connectors
14 Rotary hammer electrical connectors
15 Locking and release shoe
16 Dust collection box opening catch
17 Hammer foot
18 Filter
19 Snap-fit connector
20 Filter frame
Intended Use
Your dust extraction system D25303DH has been designed for
the extraction of dust in professional hammerdrilling in masonry
or concrete, and with solid drill bits mounted to the power tool.
DO NOT use for drilling plastic, wood or metal.
This dust extraction system will fit
DeWALT
18V cordless SDS
Plus® hammers DCH253, DCH254 (TYPE 2 only), DCH273 and
DCH274. For more information about
DeWALT
power tools
compatible with this attachment, please contact your local
dealer, refer to the addresses at the back of the manual or visit
www.dewalt.com.
DO NOT use under wet conditions or in presence of flammable
liquids or gases.
The dust extraction system is an attachment for use with
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

6
ENGLISH
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.
Assembly and Adjustments
WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect battery pack or
power source before making any adjustments or
removing/installing attachments or accessories. An
accidental start-up can cause injury.
Attaching and Removing the Dust Extraction
System
WARNING: To reduce the risk of personal injury, ALWAYS
operate the tool with the side handle properly installed
and securely tightened. Failure to do so may result in the
side handle slipping during tool operation and subsequent
loss of control.
To Attach the Dust Extraction System
(Fig. A, C, E)
1. Remove the drill bit, side handle and the depth adjustment
rod, if attached to the rotary hammer.
2. Attach supplied side handle 10 to the rotary hammer.
3. Ensure the base release buttons 2 are depressed and
locked in the open position before attempting to fit the dust
extraction system to the rotary hammer.
4. Push the locking shoe 15 down with the rotary hammer
foot 17. Make sure that the groove in the side handle collar
fits to the locator element12 on the extractor. The base
release buttons 2 will lock into to the screw bosses of the
rotary hammer foot 17. The electrical connectors 14 in
the base of the rotary hammer will align with the electrical
connectors13 in the extractor base.
To Remove the System
To remove the dust extraction system, press the two extractor
base release buttons 2 and lift the rotary hammer off the duct
extraction system (Fig.B).
Operation
WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect battery pack or
power source before making any adjustments or
removing/installing attachments or accessories. An
accidental start-up can cause injury.
WARNING: Always observe the safety instructions and
applicable regulations.
WARNING: Always read and operate the tool as
instructed in the tool instructionmanual.
Switching On and Off
The extraction system automatically starts when the rotary
hammer is turned on.
Electronic Switch-off Delay
After turning the rotary hammer off, the extraction system will
run for a few seconds longer to vacuum the remaining dust
particles in the internal parts and collect the dust in the dust
collection box.
Setting the Drilling Depth (Fig. A)
Press the depth adjustment button 6 on the front of the slider
and move it to the desired drilling depth. Release the button.
Adjusting the Drill Length (Fig. A)
1. Insert the appropriate drill bit.
2. Hold the dust extraction head 8 against a wall.
3. Push the tool to make the drill bit touch the surface wall.
4. Press the length adjustment button 7 on top of the back
slider and move it to the desired length. Release the button.
5. Gently withdraw the tool assembly from the wall, taking
care that the spring-loaded mechanism does not release.
Emptying the Dust Collector
(Fig. A, D, E)
WARNING: Wear approved eye protection and approved
dust mask when performing this procedure.
The dust collector 3 should be emptied as soon as the
performance has noticeably decreased.
1. Press the dust collection box release buttons4 and pull the
dust collection box away from the dust extraction system.
Once the catch mechanism is clear of the dust extraction
system the upper joint will also release allowing the dust
collection box to be removed completely.
2. To empty the dust collection box 3 position it over a
suitable container to catch the dust contained within it. Lift
up the release catch16 to open the dust collection box,
separating the canister from the lid. Gently tapping the dust
collection box will encourage any dust trapped within the
filter to also be removed. Once the filter lid and canister
are empty reattach them, ensuring the release catch 16 is
securely fastened. Refer to figureE.
3. To reattach the dust collection box to the dust extraction
system first insert the rounded profile of the upper joint
into the recess on the dust extraction system. Pivot the dust
collection box down so that the release buttons click back
into place. Refer to figureD.
Maintenance
Your
DeWALT
dust extraction system has been designed
to operate over a long period of time with a minimum of
maintenance. Continuous satisfactory operation depends upon
proper care and regularcleaning.
WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect battery pack or
power source before making any adjustments or

7
ENGLISH
removing/installing attachments or accessories. An
accidental start-up can cause injury.
WARNING: Use only
DeWALT
replacement parts.
Replacing the Dust Collection Box Filter
Element (Fig. D, E)
WARNING: Wear approved eye protection and approved
dust mask when performing this procedure.
1. Press the dust collection box release buttons4 and pull the
dust collection box away from the dust extraction system.
Once the catch mechanism is clear of the dust extraction
system the upper joint will also release allowing the dust
collection box to be removed completely.
2. Lift up the release catch16 to open the dust collection box,
separating the box from the lid.
3. Pull the filter element 18 off the lid.
4. Use a screwdriver to remove the filter frame 20from the lid.
5. Place the new filter into the lid.
6. Put the filter frame over the filter and push it into the lid
until it locks in place.
7. Reattach the lid to the canister and snap it closed.
8. Reattach the dust collection box to the dust extraction
system first insert the rounded profile of the upper joint
into the recess on the dust extraction system. Pivot the dust
collection box down so that the release buttons click back
into place.
Replacing the Dust Brush (Fig. G)
WARNING: Wear approved eye protection and approved
dust mask when performing this procedure.
The dust brush will wear during use and will need to
bereplaced.
1. Push the snap-fit 19 at the back of the extraction head, and
pull it out of the head holder.
2. Use a screwdriver to remove the dust brush 9 out of the
extraction head.
3. Replace the dust brush with a new one.
4. Make sure that the open end of the dust brush is positioned
to the centering pocket at the extraction head.
5. Push the extraction head back into the head holder. The
centering pin will stick into the open end of the dust brush
and secure it in place.
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.
Cleaning the Dust Collector
WARNING: Do not use a brush to clean the dust collector
or filter.
During intensive use the dust collector becomes clogged with
dust. Refer to Emptying the Dust Collector under Operation.
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.
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.

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