Bosch GAS 12-25 L Original Instructions Manual page 13

Gas professional, heavy duty
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Products that are only sold in AUS and NZ: Use a resid-
u
ual current device (RCD) with a nominal residual current
of 30 mA or less.
The dust extractor must categorically not be used in poten-
tially explosive areas.
To ensure optimum suction power, you must always fully un-
wind the vacuum hose (15) from the top part of the dust ex-
tractor (10).
Dry vacuuming
Note: Make sure that both the pre-filter (22) and the main
filter (20) are inserted in the vacuum cleaner when carrying
out dry vacuuming (see also figures D2 and E2).
Vacuuming up dust deposits (GAS 12-25 L)
– To switch on the vacuum cleaner, set the
on/off switch (1) to the "on" symbol.
– To switch off the vacuum cleaner, set the
on/off switch (1) to the "off" symbol.
Vacuuming up dust deposits (GAS 12-25 PL)
– To switch on the vacuum cleaner, set the
mode selector switch (1) to the "vacuuming"
symbol.
– To switch off the vacuum cleaner, set the
mode selector switch (1) to the "switch off"
symbol.
Extracting dust that accumulates from working power
tools (GAS 12-25 PL) (see figure I)
There must be a sufficient air exchange rate (L) in the
u
room when the exhaust air comes back into the room.
Be aware of the corresponding national regulations.
The vacuum cleaner has an electric socket with
a protective earth contact (2) that can be used
to connect an external power tool. Observe the
maximum permitted load of the connected
power tool.
– Fit the dust extraction adapter (16) (see "Fitting the dust
extraction adapter (GAS 12-25 PL)", page 11).
– Insert the dust extraction adapter (16) into the dust ex-
traction outlet of the power tool.
Note: When working with power tools that have a low air
feed into the vacuum hose (e.g. jigsaws, sanders, etc.), the
false air intake (32) of the dust extraction adapter (16) must
be opened. This will ensure that the automatic filter cleaning
function works correctly.
To do this, turn the ring above the false air intake (32) until
the opening is at its maximum size.
– To activate the automatic start/stop
function of the vacuum cleaner, set the
mode selector switch (1) to the "auto-
matic start/stop" symbol.
– To put the vacuum cleaner into operation, switch on
the power tool that is plugged into the electric socket
(2). The vacuum cleaner will start automatically.
Bosch Power Tools
– To stop dust extraction, switch the power tool off.
The automatic start/stop run-on function will run for up
to six seconds longer in order to extract the remaining
dust from the vacuum hose.
– To switch off the vacuum cleaner, set the
mode selector switch (1) to the "switch
off" symbol.
Wet vacuuming
Do not use the vacuum cleaner to vacuum combustible
u
or explosive liquids, such as petrol, oil, alcohol or
solvents. Do not vacuum hot or burning dust. Do not
operate the vacuum cleaner in areas subject to explo-
sion hazards. Dust, vapours and liquids can ignite or ex-
plode.
The vacuum cleaner must not be used as a water
u
pump. The vacuum cleaner is designed for vacuuming air
and vacuuming water mixtures.
Note: Make sure that both the pre-filter (22) and the main
filter (20) are removed from the vacuum cleaner when carry-
ing out wet vacuuming (see also figures D1 and E1).
Steps to Take Before Wet Vacuuming
– Remove the plastic bag (19) or dust bag if necessary.
– Place the rubber lip (23) in the floor nozzle (25).
– Turn the filter holder (28) as far as possible in the direc-
tion of rotation
and take the filter holder, together with
the main filter (20), out of the top part of the vacuum
cleaner (10).
– Remove the pre-filter (22) from the container (7).
– Open the catches (9) and remove the top part of the va-
cuum cleaner (10) (see figure C).
– Put the top part of the vacuum cleaner (10) on and close
the catches (9).
Vacuuming up liquids
– Switch the vacuum cleaner on (GAS 12-25 L: On/off
switch (1) to "on"; GAS 12-25 PL: Mode selector switch
(1) to the "vacuuming" symbol).
The dust extractor is equipped with a float. Extraction is
stopped when the maximum filling level is reached.
– Set the on/off switch (1) to "off" (GAS 12-25 L) or set the
mode selector switch (1) to the "switch off" symbol (GAS
12-25 PL).
– Empty the container (7).
To prevent mould growth after wet vacuuming: (see "Clean-
ing the wet filter", page 14)
Automatic filter cleaning
The filter cleaning function should be used regularly, and at
the very latest when the suction power is no longer suffi-
cient.
How often filter cleaning needs to be carried out will depend
on the type and quantity of dust that has been vacuumed.
With regular use, the maximum conveying capacity will be
maintained for longer.
English | 13
1 609 92A 4NC | (14.08.2018)

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