DeWalt DWV902M Instruction Manual Page 9

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7
TELESCOPING HANDLE (FIG. 1, 8)
Press release button (Q) to raise and lower the
Q
FIG. 8
R
telescoping handle (R).
To Shut Down/Transportation
(Fig. 1, 11)
1. Turn on/off/tool control switch (O) to the
OFF position.
2. Unplug the unit.
3. Close the twist-lock hose inlet (J) with
the inlet plug (S).
4. Store the power cord (B) as shown.
5. When transporting in vehicles, secure the machine.
MAINTENANCE
WARNING: To reduce the risk of serious personal injury, turn appliance off
and disconnect appliance from power source before making any adjustments or
removing/installing attachments or accessories. 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 filters 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 Class M machines the outside of the machine 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.
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.)
Filters (Fig. 1, 9, 10)
FILTER CARE
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: Never use compressed air or a brush to clean filters, 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. Cleaning of the filters is typically unnecessary. Even if the filter is covered with
dust, the automatic filter cleaning system will maintain maximum performance and
continue to function. If visual damage to the filter membrane exists, replace filters.
Filters typically last between six and twelve months, depending on use and care.
WARNING: Appropriate personal protective equipment
I
FIG. 9
like dust mask and gloves should be used while handling
the filters.
To Remove Filters
1. Turn on/off/tool control switch (O) to the OFF
position (O) and unplug cord from outlet.
2. Release canister latches (D) and remove vacuum
head (C) from canister. Place vacuum head on a
level surface upside down.
3. Turn each 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 (C) 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.
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