Attaching An L-Boxx (See Figure F); Starting Operation; Dry Vacuuming - Bosch GAS 55 M AFC Professional Originalbetriebsanleitung

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22 | English
Replacing/Inserting the Dust Bag (Accessory)
– Unlock the latches 15 and remove the vacuum lid 13.
– Pull off the full dust bag from the connection flange toward
the rear. Close the opening of the dust bag by folding down
the lid. Remove the closed dust bag from the vacuum
cleaner.
– Work the new dust bag over the connection flange of the
vacuum cleaner. Make sure that the dust bag faces com-
pletely against the interior sides of the container 1 over its
full length.
– Reattach the vacuum lid 13 again and lock the latches 15.
Inserting the Rubber Lip (Wet Vacuuming)
(see figure E)
Note: The requirements for the ingress degree (dust category
M) have only been proven for dry vacuuming.
– Carefully pry the brush inserts 33 out of the floor nozzle 34
using a suitable tool.
– Insert the rubber lips 32 into the floor nozzle 34.
Note: The structured side of the rubber lips must face out-
ward.

Attaching an L-Boxx (see figure F)

For transport of the vacuum cleaner and for place-saving stor-
age of VAC accessories and/or power tools, an L-Boxx can be
mounted on the vacuum cleaner lid.
– Mount the L-Boxx onto the retainers 11.
 Do not vacuum with an L-Boxx mounted. The centre of
gravity of the vacuum cleaner shifts upward. The vacuum
cleaner can tip over. Danger of injury and causing damage.
 Do not carry the vacuum cleaner by the carrying handle
of the mounted L-Boxx. The vacuum cleaner is too heavy
for the carrying handle of the L-Boxx. Danger of injury and
causing damage.
Operation

Starting Operation

 Observe correct mains voltage! The voltage of the pow-
er source must agree with the voltage specified on the
nameplate of the vacuum cleaner. Equipment marked
with 230 V can also be operated with 220 V.
 Please inform yourself about the valid regula-
tions/laws for your country concerning the handling of
materials that are hazardous to one's health.
The vacuum cleaner is suitable for vacuuming and extracting
the following materials:
– Dusts with an exposition limit value ≥ 0.1 mg/m
The vacuum cleaner may generally not be used in rooms
where the danger of an explosion exists.
To save energy, only switch the vacuum cleaner on when us-
ing it.
To ensure optimal vacuuming performance, always complete-
ly unwind the vacuum hose 27 from the vacuum cleaner lid
13.
1 609 92A 0XF | (30.9.14)

Dry Vacuuming

Vacuuming of deposited dusts
– Set the airflow regulator 6 to the hose diameter being
used.
– To switch the vacuum cleaner on, set the mode
selector switch 7 to the "vacuuming" symbol.
– To switch the vacuum cleaner off, set the mode
selector switch 7 to the "Off" symbol.
The vacuum cleaner is fitted with airflow monitoring. In the
"vacuuming" mode, the airflow monitoring is fixed on a value
of 20 m/s, irrespective of the setting of the airflow regulator
6.
If the value falls below this, e.g. due to accumulated dirt in the
suction hose, a full dust bag or a clogged flat-fold filter, an au-
dible alarm signal will sound.In this case, switch off the vacu-
um cleaner and check it as stated in the section "Correction of
Malfunctions".
Extraction of dusts resulting from running power tools
(see figure G)
 An adequate ventilation rate (L) must be provided for
when the outgoing air is circulated. Observe the re-
spective national regulations.
A socket outlet with earthing contact 5 is integrated in the
vacuum cleaner. An external power tool can be connected
there. Observe the maximal allowable load of the connected
power tool.
To ensure sufficient dust transport at the vacuum location,
the minimum airflow for the power tool connected must not
be fallen below.
Hose Diameter
35 mm
22 mm
15 mm
– Set the airflow regulator 6 to the hose diameter being
used.
– Mount the tool sleeve 25 (see "Mounting the Tool Sleeve",
page 21).
– Insert the tool sleeve 25 into the vacuum connection of the
power tool.
– To start the vacuum cleaner's automatic
Start/Stop feature, set the mode selector
switch 7 to the "Automatic Start/Stop" sym-
bol.
In this operating mode, the airflow is electronically moni-
tored according to the setting of the airflow regulator 6.
3
Sufficient dust transport is ensured when the setting is
correctly selected.
– To start the operation of the vac, switch on the power tool
connected to the socket 5. The vacuum cleaner starts au-
tomatically.
– Switch the power tool off to end the vacuuming.
The delayed action shutdown of the Automatic Start/Stop
continues to run for up to 15 seconds in order to extract re-
sidual dust from the vacuum hose.
Airflow Setting Value
3
57.9 m /h
3
41.2 m /h
3
12.7 m /h
Bosch Power Tools