Symbols on the device
Dust class
M
!
WARNING: This device contains dusts that are harmful
to your health. Emptying and maintenance, including
removal of the dust bag, may only be performed by ap-
propriately trained personnel wearing suitable personal
protective equipment. Do not switch on until the entire
filter system has been installed and the volume flow
control functionality has been checked.
Main filter elements
Flat fold filter (PES)
Order number
Flat fold filter (PTFE)
Order number
Flat fold filter (PTFE H)
Order number
Candle filter
Order number
Safety devices
Monitoring the main filter element
The device switches off automatically during operation
without the main filter element.
Preparation
1. Unpack the device and install the accessories.
Illustration B
Initial startup
The device has 2 operating modes:
1
Industrial vacuum cleaner operation (power socket
not used)
2
Dust removal operation (power socket used)
WARNING
Danger from dust that is harmful to your health
Respiratory sicknesses through inhalation of dust.
Do not vacuum without correctly installed filter ele-
ments, otherwise a danger to health from increased fine
dust emission is present.
ATTENTION
Danger due to fine dust entering
Risk of damage to the suction motor.
Never remove the main filter element when vacuuming.
1. Connect the suction hose and attach a suction noz-
zle or connect to the dust generating device, de-
pending on the operating mode.
14
The horn sounds (intermittent tone) when the air speed
drops below 20 m/s.
Note
M
The horn reacts to a vacuum.
1. Set the turn switch to the correct hose cross-section.
The horn sounds (continuous tone) when the cooling air
filter is clogged.
1. Allow the device to cool down. Clean/replace the
Static charges are discharged through the earthed con-
nection nozzles. This prevents sparking and electric
shocks with electrically conducting accessories (includ-
ed in the scope of delivery).
NT 30/1: The device is fitted with a fleece filter bag
NT 40/1, NT 50/1: The device is fitted with a fleece
6.907-662.0
The device is equipped with a dust bag with cable
6.907-455.0
Note
All types of dust up to dust class M can be vacuumed
6.907-671.0
with this device. The use of a dust collection bag (for or-
der no. see filter systems) is required by law.
Note
2.414-000.0
The device is suitable for industrial extraction and a dust
removal device for mobile operation for vacuuming dry,
non-inflammable dusts with workplace limit values
(AGW) greater than or equal to 0.1 mg/m
1. Unlock and remove the suction head.
2. Fit the fleece filter bag.
3. Fit and lock the suction head.
1. Unlock and remove the suction head.
2. Insert the dust bag.
3. Pull the dust bag over the container. Ensure that the
4. Fit and lock the suction head.
Danger from dust that is harmful to your health
Respiratory sicknesses through inhalation of dust.
No dusts harmful to health may be vacuumed when per-
forming wet vacuum cleaning.
Note
The candle filter available as an accessory with the or-
der number 2.414-000.0 is not suitable for wet vacuum
cleaning.
1. Remove the brush strip.
2. Install the squeegees.
English
Horn
Intermittent tone
Continuous tone
cooling air filter.
Anti-static system
Dry vacuuming
with cap, order no. 2.889-154.0 (5 pieces).
filter bag with cap, order no. 2.889-155.0 (5 pieces).
ties, order no. 2.889-231.0 (10 pieces).
Installing the fleece filter bag
Illustration C
Installing the dust bag
Illustration D
marking line is within the container and the ventila-
tion hole is positioned on the back wall of the con-
tainer.
Wet vacuum cleaning
DANGER
Installing the squeegees
Illustration E
3
.