DeWalt DWV905M User manual

DWV905M
DWV905H

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Fig. A
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Fig. D Fig. E
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20
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Fig. F Fig. G
Fig. H
Fig. J
Fig. K
Fig. I
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Fig. L
Fig. M Fig. N
DWV905H Only
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Fig. O
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ENGLISH
3
Important Safety Instructions
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
BEFORE USING THIS APPLIANCE, READ AND
FOLLOW ALLINSTRUCTIONS.
WARNING: Operators shall be adequately instructed on
the use of theseappliances.
WARNING: To reduce the risk of electric shock. Do not
expose to rain. Storeindoors.
• Before use, operators shall be provided with information,
instruction and training for the use of the appliance and the
substances for which it is to be used, including the safe method
of removal and disposal of the materialcollected.
• Operators should observe any safety regulations appropriate
to the materials beinghandled.
• This device may contain dust that is harmful to health.
Cleaning and maintenance work, including disposal of the
filters, dust bags and emptying of the dust collection container,
may only be carried out by professionals wearing the
appropriate protectiveequipment.
• Do not leave the appliance when it is connected to a
power source. Unplug it from outlet when not in use and
beforeservicing.
• Do not use vacuum without filters inplace, except as described
in the Wet Pickup Applicationsection.
• This product is not intended for use by persons (including
children) suffering from diminished physical, sensory or mental
abilities; lack of experience andknowledge.
• Children should be supervised to ensure that they do not play
with theappliance.
• Use this appliance ONLY as described in the manual. Use only
DeWALT recommendedattachments.
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.
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.
DWV905M
DWV905H
XE
Voltage VAC 230
Type 1
Rated power W1400
Frequency Hz 50
Protective class IPX4
Container capacity I38
Filling quantity (liquid) I18.4
Flow rate (max at blower) l/s 75
Negative pressure (max at blower) kPa 25
Flow rate (EN60335‑2‑69) l/s 41
Negative pressure (EN60335‑2‑69) kPa 22.6
Filter surface m² 0.3
Hose length m4.6
Hose diameter mm 32
Weight kg 15
Wireless Tool Control™ remote: N547456
Voltage VDC 3
Battery Type CR2032
Frequency Band MHz 433
Max Power (EIRP) mW 0.03
Noise values and/or vibration values (triax vector sum) according to
EN60335‑2‑69:
LPA (emission sound pressure level) dB(A) 72
LWA (sound power level) dB(A) 85
K (uncertainty for the given sound level) dB(A) 2
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
English (original instructions)
HEAVY‑DUTY CONSTRUCTION DUST EXTRACTOR
DWV905M, DWV905H

4
ENGLISH
Markings on Dust Extractor
The following pictograms are shown on the appliance:
Read instruction manual beforeuse.
WARNING: This appliance contains harmful dust. The
emptying and maintenance, including the removal of
the dust bag, may only be executed by trained personnel
wearing suitable protection equipment. Do not switch on
until the complete filter system has beeninstalled.
DWV905M
DWV905H
Package Contents
The package contains:
1 Dust extractor
1 Hose; diameter 32mm
1 Connector kit
2 Filters
1 Wireless Tool ControlTM remote
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.
• Connect the brown lead to the live terminal in theplug.
• Connect the blue lead to the neutralterminal.
Follow the fitting instructions supplied with good quality plugs.
Recommended fuse: 3A.
WARNING: 115 V units have to be operated via a fail‑safe
isolating transformer with an earth screen between the
primary and secondary winding.
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.
Electrical Safety
The electric motor has been designed for one voltage only.
Always check that the power supply corresponds to the voltage
on the ratingplate.
If the supply cord is damaged, it must be replaced only by
DeWALT or an authorised serviceorganisation.
When operating the dust extractor in a humid environment, use a
residual current device (RCD) protected power supply. The use of a
residual current circuit breaker reduces the risk of an electricshock.
Mains Plug Replacement
(U.K.& Ireland Only)
If a new mains plug needs to be fitted:
• Safely dispose of the oldplug.
• If the appliance is not working correctly, or if it has been
dropped or damaged, return it to a servicecentre.
• Do not handle the plug, or appliance with wethands.
• Do not put any objects into the openings of the appliance. Do
not use the appliance with any opening blocked; keep free of
dust, lint, hair and anything else that may reduce airflow.
• Keep hair, loose clothing, fingers, and all body parts away from
the openings and movingparts.
• Turn off all controls before unpluggingappliance.
• Use extra care when cleaning onstairs.
• Do not use the appliance to pick up flammable or combustible
liquids, such as gasoline, or use in areas where flammable or
combustible liquids arepresent.
• Static shocks are possible in dry areas or when the relative
humidity of the air is low. This is only temporary and does not
affect the use of thevacuum.
• To avoid spontaneous combustion, empty tank contents after
eachuse.
• Switch OFF and unplug the dust extractor in unsafesituations.
SAVE THESE INSTRUCTIONS
Additional Safety Rules
• Do not pick up anything that is burning or smoking, such as
cigarettes, matches or hotashes.
• This tool is splashproof according to protection class IPX4. Do
not submerge the tool inwater.
• Do not use to vacuum combustible explosive materials, such
as coal, grain or other finely divided combustiblematerial.
• Do not use to vacuum toxic or carcinogenic materials, such as
asbestos orpesticide.
• Some wood contains preservatives which can be toxic. Take
extra care to prevent inhalation and skin contact when
working with these materials. Request and follow any safety
information available from your materialsupplier.
• Do not use vacuum as a stepladder.
• Do not place heavy objects onvacuum.
• For dust extractors it is necessary to provide for an adequate
air change rate L in the room if the exhaust air is returned to
the room.
(NOTE: Reference to National Regulations isnecessary.)

5
ENGLISH
Insert Dust Collection Bag (Fig.B)
When you insert the plastic bag, make sure you remove the air
between the tank and the bag as much as possible. Try to avoid
large wrinkles in the sealing between the head and the tank.
Before the first commissioning
• Open the canister latches 4 and remove the Vacuum head 3
of the machine.
• Remove the accessories from the canister 6 and the
packaging!
• DWV905H: Cover the text field of the dust class warning
label 24 with the supplied adhesive label in your
nationallanguage.
WARNING: The filters9 must always be in place while
vacuuming, except as described under Wet Pick Up
Applications under Operation. When vacuuming fine
dust, you may also use an additional paper bag or fleece
bag to make emptying the canistereasier.
WARNING: Dust collection bags must be used for dust
ClassM. For Class H, Dust Collection Bag DWV9400 must
be used but can be combined with DWV9402 Fleece Bag.
1. If optional paper, plastic, or fleece bag21 is to be used,
install as shown in FigureB. Refer to the Accessory section
to select the correct filter.
NOTE: Be careful not to tear the bag. Place bag securely
onto inlet10 to provide a tight seal for maximum dust
collectionperformance.
2. Place the vacuum head3 onto the canister and secure it by
closing the canister latches4.
3. Insert end of hose7 into twist-lock hose inlet and rotate
counterclockwise to lock inplace as shown in FigureC.
ASSEMBLY AND ADJUSTMENTS
WARNING: To reduce the risk of injury, turn
appliance off and disconnect appliance from power
source before installing and removing accessories,
before adjusting or changing set-ups or when
making repairs. An accidental start‑up can causeinjury.
Date Code Position (Fig.A)
The production date code 23 consists of a 4-digit year followed
by a 2-digit week and is extended by a 2-digit factorycode.
DO NOT use the dust extractor in explosiveatmospheres.
NOTE: This appliance is suited for the commercial use, e.g.
in hotels, schools, hospitals, factories, shops, offices, rental
companies, and on constructionsites.
• 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.
Description (Fig.A)
WARNING: Never modify the power appliance or any part
of it. Damage or personal injury couldresult.
1 Top handle/cord wrap
2 Power cord
3 Vacuum head
4 Canister latch
5 Wheel
6 Canister
7 Suction hose
8 Casters (one equipped with parking brake)
9 Filters
10 Twist-lock hose inlet
11 Hose clip
12 Front handle
13 Variable suction dial
14 On/off tool control switch
15 Hose diameter selector
16 WirelessTool Control™ remote
17 WirelessTool Control™ pairing button
18 Telescoping handle release button
19 Telescoping handle
20 Inlet plug
21 Bag
22 DWV9210-XJ connector kit (includes DWV9000, DWV9120,
DWV9130)
23 Date code
24 Dust class warning label
Intended Use
This industrial dust extractor cleaner is intended for wet and dry
vacuum cleaning applications.
DWV905M
This appliance can be used as industrial vacuum cleaner and
dust extractor for mobile operations to take up all types of dry,
non-combustible dusts up to dust Class M with limit values for
occupational exposure greater than or equal to 0.1 mg/m³. Do
not use to vacuum toxic or carcinogenic materials, and asbestos
or pesticide.
DWV905H
This appliance can be used as industrial vacuum cleaner and
dust extractor for mobile operations to take up all types of dry,
non-combustible dusts up to dust Class H with limit values for
occupational exposure smaller than 0.1 mg/m³. Do not use to
vacuum asbestos or pesticide.
DO NOT use under wet conditions or in the presence of
flammable liquids orgases.
These heavy-duty vacuums are for professional use.
DO NOT let children come into contact with the tool.
Supervision is required when inexperienced operators use
thistool.
DO NOT use the dust extractor for combustibledust.

6
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Pairing the Dust Extractor with a Tool using
Wireless Tool Control™ Mode (Fig.A, G)
CAUTION: When the dust extractor is being controlled
with the remote or paired power tool it may start or stop
withoutwarning.
WARNING: Do not attach the remote strap to
movingparts.
To Pair with a DeWALT Remote or Wireless Tool
Control™ Tool
1. Turn the on/off tool control switch 14 to the position.
2. Press and hold theWirelessTool Control™ pairing button 17 on
the extractor and pull the trigger on the WirelessTool Control™-
Hose Diameter Adjustment (Fig.E)
Adjust the hose diameter control15 to the correct hose (or
tube) inside diameter size (32mm or 20mm) or accessory
diameter referring to the largest section. The chosen diameter
of the adjustment control must be equal or bigger as the largest
diameter of the used hose/tube/ accessories. The hose supplied
is 32mm inside diameter. An acoustic alarm will sound if the
flow rate falls below 20m/s. The system has a time delay to
reduce unintendedalarms.
NOTE: Set the hose diameter regulator only to the yellow
marked diameter ranges of the connected suctionhose.
If the alarm sounds when there is no apparent blockage:
1. Ensure that the adjustment control is set to the correctdiameter.
2. If the flow rate adjustment is set below the maximum,
increase this level until sufficient flow through the hose
causes the alarm tostop.
3. If the alarm still continues to sound, remove hose and check
that it is clear. Remove and replace dust bag if full or blocked
and check filter condition and replace wherenecessary.
If the alarm continues to sound contact your local DeWALT
serviceagent.
Connecting to Power Tools (Fig.C,D)
Your DeWALT construction dust extractor is fitted with the
DeWALT AirLock connection system. The AirLock allows for
a fast, secure connection between the suction hose 7 and
power tool. The AirLock connector 25 connects directly to
DeWALT compatible tools or through the use of an AirLock
adapter (available from your local DeWALT supplier). Refer to the
Accessories section for detail on available adapters.
NOTE: If using an adapter ensure it is firmly attached to the tool
outlet before following the steps below.
1. Ensure the collar on the AirLock connector is in the unlock
position. Align notches 26 on collar and AirLock connector
as shown for unlock and lock positions.
2. Push the AirLock connector onto the adapter connector point.
3. Rotate the collar to the locked position.
NOTE: The ball bearings inside collar lock into slot and secure
the connection. The power tool is now securely connected to
the dust extractor.
OPERATION
Dry Vacuum Operation (Fig.E)
WARNING: Always observe the safety instructions and
applicableregulations.
WARNING: To reduce the risk of injury, turn
appliance off and disconnect appliance from power
source before installing and removing accessories,
before adjusting or changing set-ups or when
making repairs. An accidental start‑up can causeinjury.
1. Plug the power cord into an appropriateoutlet.
2. Set the hose diameter adjuster15 to the diameter of the
connectedhose.
3. Turn the on/off tool control switch14to the ON position ).
4. Set the variable suction dial13 to the desired position.
This feature allows the user to control the vacuum's power,
suction andnoise.
NOTE: This setting also controls the level of suction. This
is very useful in applications where the vacuum creates
unacceptable levels of drag to the workpiece.
5. Follow the direction under Connecting to Power Tools to
connect to the power tool to beused.
NOTE: Refer to Pairing the Dust Extractor with aTool using
WirelessTool Control™ Mode to use the dust extractor with a
WirelessTool Control™ equipped tool or remote.
Filter Care
Class H filters must not be cleaned manually. If the filter is
clogged, it must be disposedof.
The filters included with this vacuum are long life filters. To be
effective in minimizing dust recirculation, the filters MUST be
installed correctly and in goodcondition.
WARNING: Appropriate personal protective equipment
like dust mask and gloves should be used while handling
thefilters.
WARNING: Dispose of the used filter in accordance with
the legalregulations.
Remove / Change Used Dust Collection Bag
WARNING: Appropriate personal protective equipment
like dust mask and gloves should be used while handling
used dustbags.
1. Turn off vacuum and unplug cord fromoutlet.
2. To remove the suction hose, close the twist-lock hose
inlet10 with the inlet plug20.
3. Unlatch canister latches4 and remove vacuum head3
4. Pull the collection bag carefully frominlet.
5. Seal the collection bag opening tightly with adhesive
tape or a cable tie (not included) when removing it from
themachine.
6. Dispose of collection bag in appropriate container according
to statutoryprovisions.

7
ENGLISH
Wet Pick Up Applications (Fig.F)
WARNING: Plug vacuum into residual current device
(RCD) protected outlet when using the vacuum for wet
pickup.
WARNING: If foam or liquid escapes from the machine,
switch offimmediately.
CAUTION: Clean the water level limiting device regularly
and examine it for signs ofdamage.
NOTICE: DO NOT remove ball float 29, doing so will
cause damage to the vacuum. The ball float keeps water
from entering themotor.
Before using the vacuum for wet pick up:
Parking Brake (Fig.I)
The parking brake will lock one wheel in place to prevent
vacuum fromrolling.
1. To engage parking brake, depress the brake 28 to snap the
brake into the lockedposition.
2. To disengage parking brake, depress the brake button and
brake will snap into the unlockedposition.
Automatic Filter Cleaning System
This vacuum has a highly effective filter cleaning system which
minimizes filter clogging. Every 30seconds, one of the two filters
gets automatically cleaned. The cleaning process alternates
between the filters and continues through the life of theunit.
NOTE: After starting the vacuum, both filters get cleaned within
the first 15seconds.
NOTE: It is normal to hear a clicking sound during thisprocess.
NOTE: After many hours of operation the automatic filter
cleaning system may not be effective.When this happens, see
clause Filter underMaintenance.
• Do not overheat the coin cell or throw it into fire. The coin cell
may leak, explode, catch fire and cause personal injury.
• Do not damage the coin cell and do not disassemble the
coin cell. The coin cell may leak, explode, catch fire and cause
personal injury.
• Do not allow damaged coin cells to come into contact with
water. Leaking lithium may mix with water to create hydrogen,
which could cause a fire, an explosion, or personal injury.
• Do not dispose of the button cell battery with normal
household waste. Contact your local waste disposal
department to dispose of the device/batteries in accordance
with applicable local laws and regulations.
• Remove and dispose of drained coin cell correctly. Drained
coin cell may leak and damage the product or cause personal
injury.
1. To open the housing remove the 4 screws 34 from the rear
panel with a T10 torx screwdriver.
2. Pull out sideways the discharged coin cell battery fom the
battery holder.
3. Insert sideways the new coin cell battery 35 into the
battery holder, pay attention to the orientation of the
battery in terms of polarity.
4. Replace the back cover, insert the screws and tighten.
Replacing the Coin Cell Battery in the
Remote Control(Fig.H)
DANGER: DO NOT INGEST BATTERY;
CHEMICAL BURN HAZARD.This product contains
a coin / button cell battery. If the coin / button cell
battery is swallowed, it can cause severe internal
burns in just 2 hours and can lead to death.
WARNING: KEEP NEW AND USED BATTERIES AWAY
FROM CHILDREN. If the battery compartment does not
close securely, stop using the product and keep it away
from children. If you think batteries might have been
swallowed or placed inside any part of the body, seek
immediate medical attention.
WARNING: WHEN REPLACING BATTERY, REPLACE
IT WITH THE SAME OR EQUIVALENT TYPE CR2032.
Observe correct polarity (+ and –) when replacing
batteries. Do not store or carry batteries so that metal
objects can contact exposed battery terminals.
WARNING: ENSURE THAT COIN CELL REPLACEMENT
IS CARRIED OUT PROPERLY. There is a risk of explosion.
• When replacing battery, replace it with the same or equivalent
type CR2032. Do not use any other coin cells or other forms of
electrical power supply.
• Do not attempt to recharge the coin cell battery and do not
short circuit the coin cell battery. The coin cell battery may
leak, explode, catch fire and cause personal injury.
equipped-tool, or press the remote button 27 on the Wireless
Tool Control™ remote 16 at the same time.
3. The LED above the Wireless Tool Control™ pairing button will
be steadily illuminated to indicate a successful pairing.
CAUTION: Do not activate the Wireless Tool Control at the
Tool if the dust extractor hose is not connected to the dust
extraction port of the tool.
NOTE: Only one transmitter can be paired to the DWV905 at a
time. If the unit is already paired the previous transmitter will be
overridden.
To Unpair with a Wireless Tool Control™ Tool
orRemote
1. Turn the on/off tool control switch to the I position and pull
the trigger on the Wireless Tool Control™ equipped tool or
press the button on the remote at the same time.
2. The LED above the Wireless Tool Control™ pairing button will
flash slowly to indicate a successful unpairing.
CAUTION: To prevent unintentional switch‑on after the end
of work Switch the On/Off switch 14 to the OFF (O) position.
or unpair the Wireless Tool Control of tool or remote.
LED FLASH PATTERN
In pairing mode – – – – – – –
No device is paired
– – – –– – – –
Device is successfully paired
––––

8
ENGLISH
Filter
To Remove Filters (Fig.L, M)
1. Turn on/off tool control switch14 to the OFF position ( )
and unplug cord fromoutlet.
a long period of time with a minimum of maintenance.
Continuous satisfactory operation depends upon proper
appliance care and regularcleaning.
If you experience a loss of suction perfomance due to a clogged
filter, turn the unit off, close the twist-lock hose inlet10 with
the inlet plug20, start the unit, and wait 15seconds until
you here the clicking sound of the filter cleaning two times. If
the suction performance is still not sufficient, the filters must
bechanged.
DANGER: Dust hazardous to health. Always wear
disposable clothing and respirators of class P2 or higher
when carrying out maintenance work (e.g. changing
filters).
WARNING: To reduce the risk of injury, turn
appliance off and disconnect appliance from power
source before installing and removing accessories,
before adjusting or changing set-ups or when
making repairs. An accidental start‑up can causeinjury.
WARNING: For user servicing, the machine must be
dismantled, cleaned and serviced, as far as is reasonably
practicable, without causing risk to the maintenance staff
and others. Suitable precautions include, decontamination
before dismantling, provision for local filtered exhaust
ventilation where the machine is dismantled, cleaning of
the maintenance area and suitable personalprotection.
• The manufacturer, or an instructed person, shall
perform a technical inspection at least annually,
consisting of, for example, inspection of the filter for
damage, air tightness of the machine and proper
function of the controlmechanism.
• In addition, on class H machines, the machine
filtration efficiency should be tested at least annually,
or more frequently as may be specified by national
requirements. The test method that can be used to
verify the machine’s filter efficiency is specified in
22.AA.201.2. If the test fails, it shall be repeated with
a newfilter.
• When carrying out service or repair operations, all
contaminated items which cannot be satisfactorily
cleaned, are to be disposed of; such items shall be
disposed of in impervious bags in accordance with any
current regulation for the disposal of suchwaste.
• Remove the outside of the machine. It should be
decontaminated by vacuum cleaning methods and
wiped clean or treated with sealant before being taken
out of a hazardous area. All the machine parts shall
be regarded as contaminated when removed from
the hazardous area and appropriate action taken to
prevent dustdispersal.
MAINTENANCE
Your DeWALT appliance has been designed to operate over
Transporting (Fig.K)
CAUTION: Risk of injury and damage! Pay attention to
the weight of the device when transporting it. Secure the
device against unintentionalmovement.
1. For dust-free transport, remove the dust bags from the
canister or affter suction of liquids, drain liquids from
thecanister.
2. Remove the hose and close the twist-lock hose inlet10
with the inlet plug20.
3. Put the ends of the suction hose together to prevent dirt
particles fromescaping.
4. Store the power cord2 and suctionhose.
5. When transporting in vehicles, secure the machine from
movement and tip over.
Shut Down (Fig.E)
1. Turn on/off tool control switch14 to the OFF position ( ).
2. Unplug theunit.
Telescoping Handle (Fig.J)
Press telescoping handle release button18 to raise and lower
the telescoping handle19.
To Convert Back to Dry VacuumOperation
1. Empty canister, refer to To Empty Canisterinstructions.
2. Place canister upside-down position until dry. DO NOT use
wet canister for dry pickup.
3. Place vacuum head3 on a level surface untildry.
4. Reinstall filters when vacuum head is dry. Refer to Filters
underMaintenance.
5. When canister is dry place the vacuum head onto the
canister and secure it by closing the canister latches4.
To Empty Canister (Fig.F)
The ball float valve29 will block air to the motor when the
canister is full and the sound of the motor will change at once.
When the motor has a high-pitched sound and air/water flow
stops, empty thecanister.
1. Turn off vacuum and unplug cord fromoutlet.
2. Unlatch canister latches4 and remove vacuum head3.
3. Empty contents of canister6 into a suitable container
ordrain.
1. Turn off vacuum and unlug power cord2 fromoutlet.
2. Unlatch canister latches4 and remove the vacuumhead.
3. Remove the dust bag21 (see the Remove / Change Used
Dust Collection Bagsection).
4. Remove filter (see clause "To RemoveFilter".
5. Wipe the inside of the canister using a dampcloth.
6. Replace the motor head and close thelatches.
7. Plug vacuum into a RCD protectedoutlet.
WARNING: Do not use the machine with this set up for
dust Class M andH.