Bosch Professional GAS 12-25 PL Original Instructions Manual page 22

22 | English
Cleaning the pre-filter
– Open the catches (9) and remove the top part of the va-
cuum cleaner (10) (see figure C).
– Remove the pre-filter (22) from the container (7).
– Shake out the pre-filter (22) over a suitable waste bin.
– Insert the pre-filter (22) in the container (7), making sure
that the arrows are pointing towards the hose connection
piece (3).
– Put the top part of the vacuum cleaner (10) on and close
the catches (9).
Cleaning the main filter
– Open the catches (9) and remove the top part of the va-
cuum cleaner (10) (see figure C).
– 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).
– Brush the folds of the main filter (20) with a soft brush.
or
Replace the main filter (20) if damaged.
– Place the filter holder (28), together with the main filter
(20), over the filter basket (29) and turn the filter holder
(28) as far as possible in the direction of rotation
– Put the top part of the vacuum cleaner (10) on and close
the catches (9).
Rectifying faults
Problem
The suction turbine will not switch on. – Check the mains cable, mains plug, fuse and socket.
The suction turbine will not switch
back on after the container has been
emptied.
The suction power is decreasing.
Dust is escaping during extraction
Automatic switch-off (wet extraction)
is not working.
1 609 92A 4CP | (09.11.2018)
Cleaning the wet filter
To prevent mould growth after wet vacuuming:
– Open the catches (9) and remove the top part of the va-
– Leave the top part of the vacuum cleaner (10) to dry thor-
– Pull the wet filter (21) out of the filter basket (29).
– Wash the wet filter (21) under running water and then
– Place the wet filter (21) completely over the filter basket
– Put the top part of the vacuum cleaner (10) on and close
Storage and Transport (see figure J1–J2)
– Wrap the power cable around the carrying handle (12).
– Place the suction tubes (26) in the holders (14).
– Place the vacuum hose (15) in the holder (11) around
– Carry the vacuum cleaner by the carrying handle (12) or
– Store the vacuum cleaner in a dry room and secure it so
.
– Put the castor brake (5) down to hold the castors (6) in
u
Corrective measures
The mode selector switch (1) is set to "automatic start/stop".
– Set the mode selector switch (1) to the "extraction" symbol or switch on the
power tool plugged into the electric socket (2).
– Switch the dust extractor off and wait five seconds before switching it back on.
– Empty the container (7).
– Remove any blockages from the extraction nozzle, suction tube (26), vacuum
hose (15) or main filter (20).
– Change the plastic bag (19) or dust bag.
– Make sure the filter holder (28) is engaged correctly.
– Place the top part of the dust extractor (10) on correctly and close the catches
(9).
– Change the pre-filter (22), main filter (20) or wet filter (21).
– Check that the main filter (20) has been fitted correctly.
– Change the main filter (20).
Automatic switch-off will not work in the presence of non-conductive liquids or foam-
ing.
cuum cleaner (10) (see figure C).
oughly.
leave it to dry thoroughly.
(29).
the catches (9).
the top part of the vacuum cleaner.
pull the vacuum cleaner along behind you on even sur-
faces using the pull strap (4).
that it cannot be used by unauthorised persons.
place.
If a fault (e.g. a filter damage) occurs, the vacuum
cleaner must be switched off immediately. The fault
must be repaired before resuming operation.
Bosch Power Tools