Maintenance - DeWalt DWV900L Original Instructions Manual

Shut Down/Transportation (fi g. 1)
1. Turn on/off control switch (c) to the OFF
position.
2. Unplug the unit.
3. Store the power cord (b) wrapping it around the
top handle/cord wrap (a) as shown.
4. When transporting in vehicles, secure the
machine.

MAINTENANCE

Your D WALT appliance has been designed to
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operate over a long period of time with a minimum
of maintenance. Continuous satisfactory operation
depends upon proper appliance care and regular
cleaning.
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.
• 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.
• 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.)
Filter (fi g. 1, 7, 8)
FILTER CARE
The filter included with this vacuum is a long life
filter. To be effective in minimizing dust recirculation,
the filter MUST be installed correctly and in good
condition.
WARNING: Appropriate personal
protective equipment like dust mask and
gloves should be used while handling
the filter.
To Remove Filter
1. Turn on/off control switch (c) to the OFF position
(O) and unplug cord from outlet.
2. Release canister latches (e) and remove vacuum
head (d) from canister. Place vacuum head on a
level surface upside down.
3. Turn filter (i) counterclockwise by gripping it on
the plastic end cover as shown, and carefully
remove from head, ensuring debris does not fall
into mounting hole.
NOTE: Use care to not damage filter material.
4 If the bottom side of the vacuum head (d) needs
to be cleaned, use a cloth dampened with
water and mild soap and allow it to dry. Dispose
of cloth in an appropriate container.
5. Inspect filter for wear, tears or other damage.
D WALT filter membranes are teflon coated.
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A type of damage or wear could be this teflon
coating flaking off the membrane, refer to fig 8.
NOTE: If there is any doubt on the condition
of the filter, it MUST be replaced. DO NOT
continue use if filter is damaged.
WARNING: Never use compressed
air or a brush to clean filter, otherwise
damage to the filter membrane will
occur which will allow dust to pass
through the filter. If needed, gently tap
against a hard surface or rinse with
room temperature water and let air dry.
If visual damage to the filter membrane
exists, replace filter. A filter typically
last between six and twelve months
depending on use and care.
To Install Filter
1. Ensure filter seal (t) is in place and is secure.
2. Line up filter threads (u) to vacuum head threads
and using moderate force, turn filter clockwise
until tight.
ENGLISH
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