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Verfügbare Sprachen
Verfügbare Sprachen
1. Dry the filter.
2. Clean the dirt receptacle with a moist
cloth and dry it off.
Switching on the device
1. Plug the mains plug into the socket.
2. Switch on the device via the suction tur-
bine power switches.
Note
Always switch the suction turbines on and
off one after the other. For the correct func-
tion of the pressure gauge for monitoring
the minimum volume flow, all suction tur-
bines must be switched on.
3. Start the vacuuming process.
Reading the minimum volumetric
A pressure gauge showing the vacuum in-
side the device is mounted on the front of
the device. The main filter must be cleaned
when the maximum vacuum (see table) is
reached (see chapter Dedusting the main
filter). This value depends on the device
performance and the suction hose used. If
the vacuum is not significantly reduced by
dedusting, the filter must be replaced (see
chapter Replacing the main filter).
ATTENTION
Exceeding the maximum vacuum
Suction loss
If the specified value is exceeded, the air
speed in the suction hose drops below
20 m/s. Clean or replace the filter.
Nominal width of
the suction hose
DN40
DN50
DN70
Dedusting the main filter
The main filter must be cleaned if the pres-
sure gauge shows the maximum vacuum
(see chapter Reading the minimum volu-
metric flow).
Note
The filter cleaning function is only available
when the device is switched on.
28
flow
Maximum vacuum
15.0 kPa (150 mbar)
14.0 kPa (140 mbar)
10.0 kPa (100 mbar)
Note
Cleaning of the main filter is not necessary
when using the suction hose port on the dirt
receptacle in combination with the safety fil-
ter bag.
Illustration N
1. Close the lock handles of the upper suc-
tion hose port
Illustration O
2. Pull the flap of the filter dedusting sys-
tem 3-4 times and hold it open for 1-
2 seconds each time.
3. Switch off the device via the suction tur-
bine power switches.
WARNING
Lock handles move abruptly to the ini-
tial position
Risk of crushing
Note that the lock handles can move
abruptly to their initial position when the de-
vice is running.
Only open the lock handles when the de-
vice is switched off.
4. Open the lock handles.
5. Switch on the device via the suction tur-
bine power switches.
Switching off the device
1. Switch off the device via the suction tur-
bine power switches.
2. Pull out the mains plug.
Each time after use
Emptying the dirt receptacle
The dirt receptacle must be emptied when
necessary and after each use.
The inlet opening or the suction hose are
closed.
1. Switch on the device via the suction tur-
bine power switches.
2. Dedust the main filter (see chapter De-
dusting the main filter).
3. Switch off the device via the suction tur-
bine power switches.
4. Secure the device with the parking
brakes.
Illustration C
5. Pull the bow handle up.
The dirt receptacle is unlocked and low-
ered.
English
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