Automatic Filter Cleaning System - DeWalt DWV902L User Manual

English
adapter (available from your local D
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.
a. Ensure the collar on the AirLock connector is in the
unlock position. Align notches
connector as shown for unlock and lock positions.
b. Push the AirLock connector onto the adapter connector
point.
c. 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.

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: 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 the
filters will need to be cleaned or replaced. Refer to Filter under
Maintenance.
Parking Brake (Fig. A, F)
The parking brake will lock one wheel in place to prevent
vacuum from rolling.
1. To engage parking brake, depress
the brake button 24 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.
Remove / Change Used Dust Collection
Bag (Fig. A)

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. Close the twist-lock hose inlet
3. Unlatch canister latches
4
4. Pull the collection bag carefully from inlet
5. Seal the collection bag opening tightly when removing it
from the machine.
6. Dispose of collection bag in appropriate container according
to statutory provisions.
Wet Pick up applications (Fig. A, G)

WARNING: DO NOT connect power tools to outlet
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.
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WALT supplier). Refer
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22 on collar and AirLock
10 with the inlet plug 19
and remove vacuum head
3
10 .
13

CAUTION: Clean the water level limiting device regularly
and examine it for signs of damage.
NOTICE: DO NOT remove ball float
cause damage to the vacuum. The ball float keeps water
from entering the motor.
Before using the vacuum for wet pick up:
• Ensure the canister is empty and free of excessive dust.
• Remove filters
• Plug vacuum into a RCD protected outlet.

WARNING: Do not use the machine with this set up for
dust Class L and M.
To Empty Canister (Fig. A, G)
The ball float valve
25
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
3. Empty contents of canister
drain.
To Convert Back to Dry Vacuum Operation
(Fig. A)
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
4. Reinstall filters when vacuum head is dry. See Filters under
Maintenance.
5. When canister is dry place the vacuum head
canister and secure it by closing the canister latches
Telescoping handle (Fig. A, H)
Press release button 17
handle 18 .
Shut Down/Transportation (Fig. A, K)
1. Turn on/off/tool control switch
2. Unplug the unit.
3. Class M only: Close the twist-lock hose inlet
.
inlet plug 19 .
4. Store the power cord
5. When transporting in vehicles, secure the machine.
MAINTENANCE
Your D WALT appliance has been designed to operate over
e
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.
25 , doing so will
9 .
will block air to the motor when the
4 and remove vacuum head
6 into a suitable container or
on a level surface until dry.
3
onto the
3
to raise and lower the telescoping
15 to the OFF position.
with the
10
2 as shown.
3 .
.
4