DeWalt DWV905M - Maintenance

32
ENGLISH
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
15
to the OFF position ( ).
2. Unplug theunit.
Telescoping Handle (Fig.J)
Press 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 pickup.
3. Place vacuum head
3
on a level surface untildry.
4. Reinstall filters when vacuum head is dry. See 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.A, F)
The ball float valve
31
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.
Wet Pick Up Applications (Fig.F)

WARNING: DO NOT connect power tools to outlet
13
when using the vacuum for wet pickup.

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
31
, 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:
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.
MAINTENANCE
Your DeWALT appliance has been designed to operate over
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