Wet Vacuuming; Drain Hose - Bosch VAC090A Operating/Safety Instructions Manual

2610027608_VAC090 VAC140 8/21/17 2:20 PM Page 17
filter cleaning (SFC) system, periodically
activate the SFC system to maintain
maximum vacuuming efficiency.
• Check filter periodically and replace if worn
out or damaged. Never use compressed air,
shake filter or hit filter against object to
clean filter.
• Wipe dust off dust extractor control unit with
moist cloth. Use water to clean the canister
and attachments. Do not use dust extractor
until completely dry.

WET VACUUMING

or explosive dusts, like gasoline or other
fuels, lighter fluid, varnish, polyurethane
coatings, cleaners, oil-based paints, natural
gas, hydrogen, coal dust, magnesium dust,
grain dust, or gun powder. Electric motors
create sparks, which may ignite the dust or
fumes.
HEPA filter for wet vacuuming. A polyester
(PES) filter (sold separately) is recommended
for wet vacuuming. A paper filter can be used
occasionally for wet vacuuming, but it must be
allowed to dry thoroughly after such usage to
help minimize deterioration.
wet vacuuming. If a bag is to be used when
vacuuming wet materials, a wet/dry slurry bag
must be used.
EMPTYING THE CANISTER
1. Switch the unit off.
2. Disconnect from the power supply.
3. Remove the filter bag (see "REMOVING
THE DUST BAG" on page 13, or dump out
the canister as appropriate.
EMPTYING THE CANISTER OF LIQUIDS
(Models VAC140A and VAC140S only)
1. Switch the unit off.
2. Disconnect from the power supply.
3. Position dust extractor in area where the
contents of the canister can be drained.
4. Detach drain hose from stored position on
dust extractor and lay hose on the ground
(Fig. 14).
5. Once canister is emptied, secure drain hose
and allow canister to air dry.
Do not use to vacuum
flammable liquids, gases,
A filter must be used when
wet vacuuming. Do not use
Do not use paper, plastic
or fleece filter bag when
Notes:
• Do not activate the filter cleaning mode
when the canister contents are wet.
• The unit is equipped with water level
sensors. The unit switches off when the
maximum filling height is reached. The unit
still has power, but will not operate. The unit
must be switched off and emptied before it
can be switched on again.
• When the unit is shut off, some water may
flow out of the hose.
• To prevent siphoning or spillage, lift the
suction hose out of the liquid before draining
the dust extractor.
• Before opening and emptying, move the
switch to the OFF position.
• Before opening and emptying, always
disconnect the dust extractor cord from the
power supply.
• In order to avoid mildew, after wet
vacuuming, remove the bag (if one is
installed) and remove the filter and allow it to
dry thoroughly. Dry the filter and control unit
thoroughly so that dust cannot adhere to
moist parts.
• Use a dry filter for subsequent dry
vacuuming. We suggest purchasing an
extra filter when frequently alternating
between wet and dry vacuuming and swap
them out as appropriate.
• Wipe dust off dust extractor control unit with
moist cloth. Use water to clean the canister
and attachments. Do not use dust extractor
until completely dry.
-17-
FIG. 14

DRAIN HOSE