Bosch 3931 Manual de instrucciones de uso y seguridad - Página 11
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BM 2610919254 12/02
12/18/02
RESETTING THE CIRCUIT BREAKER
1. Switch off the power tool
2. Press the circuit breaker button.
3. Restart the vacuum cleaner in the desired
mode.
WET VACUUMING
Your 3931 can also be used for wet
vacuuming.
Do not use to vacuum
WARNING
!
flammable liquids, gases,
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.
1. Before wet vacuuming, run the vacuum in
the PULSE-CLEAN™ mode.
2. Empty the canister to prevent encrustation
when wet vacuuming. If bag is in canister,
remove it as well.
Notes:
• Empty the canister before wet vacuuming.
• Do not use a dust bag when wet
vacuuming
• The filter cartridge must be used when
wet vacuuming.
• Do not activate the PULSE-CLEAN™
mode when the contents of the vacuum
cleaner 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 first switched off 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 vacuum cleaner.
• Before opening and emptying, move the
switch to the OFF position.
• Always disconnect the vacuum cleaner
cord from the power supply.
• In order to avoid mildew, after wet
vacuuming, remove both filter cartridges
and allow them to dry thoroughly, Dry the
filter and canister thoroughly so that dust
cannot adhere to moist parts. Also remove
the control unit and allow it to dry, too.
10:52 AM
Page 11
FIG. 6
LEVEL
SENSOR
• Use a dry filter for subsequent dry
vacuuming. We suggest purchasing extra
filter
cartridges
alternating between wet and dry
vacuuming and swap them out as
appropriate.
Clean the canister and accessories with
water. Wipe the top section with a moist
cloth.
WATER-LEVEL SENSOR MAINTENANCE
Clean the water level sensors occasionally:
See Figure 6.
1. Unlock the canister latches and remove
the control unit.
2. Clean the water level sensors with a soft
cloth.
3. Reattach the control unit again
4. Lock the canister latches.
EMPTYING THE CANISTER
1. Switch the unit off.
2. Disconnect from the power supply.
3. Open the canister latches.
4. Remove control unit.
5. Remove the paper filter bag; dump out the
canister, or drain out the canister as
appropriate.
CANISTER MAINTENANCE
Wipe out the canister from time to time with
a commercially available, non-scouring
cleaning agent and allow to dry.
-11-
when
frequently