Maintenance - DeWalt D27904 Instruction Manual

AUTOMATIC SHUT OFF (FIG. 1, 10)
Vacuum will shut off when canister fills with water. W hen this
happens:
1. Depress the on/off switch (D) to turn the unit off. Unplug the
unit.
2. Release vacuum lid from the canister and carefully set aside.
3. Empty canister.
Electrodes must be clean to ensure proper operation of automatic
shut off.
To Clean Electrodes
1. Depress the on/off switch (D)
to turn the unit off. Unplug the
unit.
2. Release vacuum lid from the
canister and carefully set
aside.
3. Clean electrodes (W).
4. Replace vacuum lid onto
canister and lock in place.
To Shut Down (Fig. 1)
1. Depress the on/off switch (D) to turn the unit off.
2. Unplug the unit.

MAINTENANCE

WARNING: To reduce the risk of serious personal injury, turn
tool off and disconnect tool from power source before making
any adjustments or removing/installing attachments or
accessories.
TO REPLACE THE PLEATED FILTER (FIG. 11)
FIG. 10
Cleaning
W
dust out of all air vents with
W
dry air at least once a week. Wear proper ANSI Z87.1 (CAN/CSA
Z94.3) eye protection and proper NIOSH/OSHA/MSHA
respiratory protection when performing this.
cleaning the non-metallic parts of the tool. These chemicals may
weaken the plastic materials used in these parts. Use a cloth
dampened only with water and mild soap. Never let any liquid get
inside the tool; never immerse any part of the tool into a liquid.
Storage (Fig. 12)
7
1. Lift the filter door handle
(K) to open filter
compartment (J).
2. Replace the flat pleated
filter (P).
3. Close the filter door.
Ensure door locks into
place.
WARNING: Blow dirt and
WARNING: Never use solvents or other harsh chemicals for
1. Empty the canister.
2. Wipe the vacuum inside and outside.
See Cleaning.
3. Gently shake filter to clean.
NOTE: Do not use compressed air,
water or cleaning solutions to clean
filter. See To Replace the Pleated
Filter.
4. Store the suction hose and the power
cord as shown in the illustration.
FIG. 11
K
J
P
FIG. 12