Operating instructions

14 English
Symbols on the device
Dust class
Main filter elements
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)
몇 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.
Horn
Intermittent tone
The horn sounds (intermittent tone) when the air speed
drops below 20 m/s.
Note
The horn reacts to a vacuum.
1. Set the turn switch to the correct hose cross-section.
Continuous tone
The horn sounds (continuous tone) when the cooling air
filter is clogged.
1. Allow the device to cool down. Clean/replace the
cooling air filter.
Anti-static system
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).
Dry vacuuming
 NT 30/1: The device is fitted with a fleece filter bag
with cap, order no. 2.889-154.0 (5 pieces).
 NT 40/1, NT 50/1: The device is fitted with a fleece
filter bag with cap, order no. 2.889-155.0 (5 pieces).
 The device is equipped with a dust bag with cable
ties, order no. 2.889-231.0 (10 pieces).
Note
All types of dust up to dust class M can be vacuumed
with this device. The use of a dust collection bag (for or-
der no. see filter systems) is required by law.
Note
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
3
.
Installing the fleece filter bag
1. Unlock and remove the suction head.
2. Fit the fleece filter bag.
Illustration C
3. Fit and lock the suction head.
Installing the dust bag
1. Unlock and remove the suction head.
2. Insert the dust bag.
Illustration D
3. Pull the dust bag over the container. Ensure that the
marking line is within the container and the ventila-
tion hole is positioned on the back wall of the con-
tainer.
4. Fit and lock the suction head.
Wet vacuum cleaning
 DANGER
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.
Installing the squeegees
1. Remove the brush strip.
Illustration E
2. Install the squeegees.
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.
Flat fold filter (PES)
Order number 6.907-662.0
Flat fold filter (PTFE)
Order number 6.907-455.0
Flat fold filter (PTFE H)
Order number 6.907-671.0
Candle filter
Order number 2.414-000.0
!
M
M