Nilfisk-Advance VHB436N User manual

C504 US-F-E
EDITION 05/2021
INSTRUCTIONS MANUAL
MANUEL D’INSTRUCTIONS
MANUAL DE INSTRUCCIONES
VHB436N
US English
F French
E Spanish
Instructions for use

VHB436N
1C504
US
Instructions for use.........................................................................................................2
Operator’s safety............................................................................................................................. 2
General information for using the machine ..................................................................................... 2
Proper uses..................................................................................................................................... 3
Improper Use................................................................................................................................... 3
Versions and variations ................................................................................................................... 3
General recommendations.............................................................................................................. 3
Residual Risks................................................................................................................................. 4
Description of the machine ............................................................................................5
Vacuum Cleaner Parts and Labels.................................................................................................. 5
Optional kits..................................................................................................................................... 5
Accessories..................................................................................................................................... 5
Packing and unpacking ................................................................................................................... 5
Unpacking, moving, use and storage.............................................................................................. 5
Setting to work................................................................................................................................. 6
Charging Mode................................................................................................................................ 6
Dry applications............................................................................................................................... 6
Technical data ................................................................................................................................. 7
Dimensions...................................................................................................................................... 7
Controls and indicators.................................................................................................................... 8
Inspections prior to starting ............................................................................................................. 8
Starting and stopping ...................................................................................................................... 8
Emergency stopping........................................................................................................................ 8
Operation......................................................................................................................................... 8
At the end of a cleaning session ..................................................................................................... 8
Maintenance, cleaning and decontamination...............................................................9
Primary lter cleaning with manual system ..................................................................................... 9
Emptying the container.................................................................................................................... 9
Poly Liner ...................................................................................................................................... 10
Paper Bag and Safe Bag for dust collection.................................................................................. 10
Longopac®bag for dust collection ................................................................................................. 10
Replacement of dust bags............................................................................................................. 10
Main and absolute lter disassembly and replacement..................................................................11
Installation, cleaning and replacement of the cyclone lter protector (optional).............................11
Tightness inspection...................................................................................................................... 12
Wiring diagrams ............................................................................................................................ 12
Recommended spare parts ..........................................................................................13
Troubleshooting ............................................................................................................14
WARRANTY.................................................................................................................................. 14
Table of contents

C504 2
VHB436N
US
Instructions for use
SAVE THESE INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
To reduce the risk of re, electric shock, or injury:
-Do not leave the appliance unattended when plugged in.
Unplug from outlet when not in use and before servicing.
-To reducethe risk ofan electricshock, donot use outdoors.
-Do not allow this appliance to be used as a toy. This ma-
chine is for adult-use only. Close attention is necessary
when used by or near children.
-Use only as described in this manual. Use only the manu-
facturer’s recommended attachments.
-Do not use with damaged charging cord or plug. If ap-
pliance is not working as it should, has been dropped,
damaged, left outdoors or dropped into water, return it to
a service center.
-Do not pull or carry by the charging cord, use cord as a
handle, close a door on cord, or pull cord around sharp
edges or corners. Do not run the appliance over the cord.
Keep cord away from heated surfaces.
-Do not unplug by pulling on charging cord. To unplug,
grasp the plug, not the cord.
-Do not handle plug, charging cord or appliance with wet
hands.
-Do not put any object into the openings. Do not use with
any opening blocked; keep free from dust, lint, hair, and
anything that may reduce airow.
-Keep hair, loose clothing, ngers, and all parts of the body
away from openings and moving parts.
-Turn o󰀨 all controls before unplugging.
-Use extra care when cleaning stairs.
-Do not use to pick up ammable or combustible liquids,
such as gasoline, or use in areas where they may be
present.
-Do not pick up anything that is burning or smoking, such
as cigarettes, matches, or hot ashes.
-Do not use without dust bag/or lters in place.
-For charging mode connect to a properly grounded outlet
only. See grounding instructions.
-Unplug before connecting any mechanical accessory.
General information for using the machine
Use the machine in accordance with the laws in force in the
country where it is used.
Besides the operating instructions and the laws in force in the
country where the device is used, the technical regulations for
ensuring safe and correct operation must also be observed.
Do not perform any operation that could jeopardize the safety
of people, property and the environment.
Comply with the safety indications and prescriptions in this
instruction manual.
READ ALL THE OPERATING INSTRUCTIONS BEFORE USING
THIS APPLIANCE
Comply with the important safety recommendations identied by the word DANGER!
Operator’s safety
DANGER!
Before starting the machine, it is absolutely
essential to read these operating instructions
and to keep them on hand for consultation.
The machine can only be used by people who are
familiar with the way it works and who have been
explicitly authorized and trained for the purpose.
Before using the device, the operators must be
informed, instructed and trained on how to work it and
for which substances its usage is permitted including
the safe method for removing and disposing of the
vacuumed material.
DANGER!
The use of the machine by people (including children)
with limited physical and mental capacities or lacking in
experience and knowledge is strictly forbidden, unless
they are supervised by a person who is experienced in
the use and safe handling of the machine.
Children must be supervised to make sure they will not
play with the machine.
DANGER!
Before using the machine, always check that any
hazardous condition has been eliminated and inform
the persons in charge about any operational fault.
Check that all guards and protections are correctly
mounted and that all safety devices are installed and
ecient.
Repairs must only be carried out when the machine is
at a standstill and disconnected from the electricity and
air supply mains. Never ever carry out repairs without
having rst received the necessary authorization.
DANGER!
Any changes made by the user without the
Manufacturer’s explicit authorization shall invalidate
the warranty and hold the Manufacturer harmless from
any and all liabilities for damages caused by faulty
products.

VHB436N
3C504
US
Proper uses
This machine is suitable for commercial use, in hotels, schools,
hospitals, factories, shops, o󰀩ces and apartment hotels for
example, for hire and in any case for purposes other than
normal domestic use.
This machine is suitable for cleaning and vacuuming solid
materials in indoor and outdoor environments, if protected from
atmospheric agent..
The device has been designed to be used by one operator at
a time.
This machine consists of a vacuum unit, with a lter upstream
and a container for collecting the sucked material.
Improper Use
DANGER!
The following use of the device is strictly forbidden:
■Outdoors in case of atmospheric precipitation.
■When not placed on horizontal level ground.
■When the ltering unit is not installed.
■When the vacuum inlet and/or hose are turned to
face parts of the human body.
■Use without the cover on the vacuum unit.
■When the dust container is not installed.
■Use without the guards, protective covers and
safety systems installed by the manufacturer.
■When the cooling vents are partially or totally
clogged.
■When the machine is covered with plastic or fabric
sheets.
■Use with the air outlet partially or totally closed.
■When used in narrow areas where there is no fresh
air.
■When the cable or plug is damaged. If appliance
is not working as it should, has been dropped,
damaged, left outdoors or dropped into water,
return it to an authorized service center.
■Vacuuming large quantity of liquids.
■Move the machine with the suction arm installed.
■Pull the machine from the suction pipe, in particular
when it is mounted on the ag support.
■Vacuuming the following materials:
1. Burning materials (embers, hot ashes, lit
cigarettes, etc.).
2. Naked ames.
3. Combustible gas.
4. Flammable liquids, aggressive fuels (gasoline,
solvents, acids, alkaline solutions, etc.).
5. Explosive dust/substances and/or ones liable
to ignite in a spontaneous way (such as
magnesium or aluminium dusts, etc.).
NB: Fraudulent use is not admitted.
Under no circumstances may this vacuum cleaner be used
safely for the collection of hazardous or toxic materials unless
equipped with an absolute (HEPA/ULPA) lter.
Be sure to install the HEPA/ULPA lter according to Nilsk’s
written instructions.
Do not use this cleaner for the removal of hazardous substances
unless you are licensed and/or certied for this work by the
authorities having jurisdiction.
Versions and variations
HEPA variants
This machine can be equipped with an upstream lter (HEPA).
The procedures for servicing and emptying the machine
including removing the dust container, must only be performed
by authorized personnel wearing protective clothing. Do not
use without the complete lter system in place.
DANGER!
This machine is not suitable for vacuuming hazardous
dust.
■In the case of dust harmful to health, contact the
local health and safety authorities, and observe
national regulations in force both during use and
disposal.
■Radioactive substances are not included in the
denition of the type of dust harmful to health
described above.
General recommendations
DANGER!
If an emergency situation occurs:
■Accident
■Breakdown
■Filter breakage
■Fire outbreak
■etc.
Ask for assistance from qualied personnel.
In case the user comes into contact with the vacuumed
product, check the cautions shown on the safety
technical sheet of the product, which must be made
available from the employer.
[ NOTE ]
Check the place of work and substances tolerated for the
machine suitable for liquids.
DANGER!
The machines must not be used or stored outdoors, or
in damp places.
[ NOTE ]
These devices must not be used in corrosive environment.
DANGER!
Both the machine and the batteries are classied as
hazardous materials:
■Batteries: UN 3480
■Machine with batteries on board: UN 3481
Please refer to local regulations for their transportation
and storage.

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Residual Risks
After carefully considering the risks that are present in all
machine operating phases, necessary measures were adopted
in order to eliminate the risks for the operators, as far as
possible, and/or limit or reduce the risks deriving from hazards
that cannot be completely eliminated at the source.
During operations and/or maintenance, operators are
exposed to certain residual risks which, due to the nature of
the operations themselves, cannot be completely eliminated.
Therefore the installer is responsible for providing additional
information and/or hazard signals based on the location of
machine installation and the material that is handled.
■Risks due to electrical hazards during maintenance
DANGER
Risk of electrocution if accessing the electrical
equipment during maintenance without having
deactivated the electrical power supply.
FORBIDDEN
It is forbidden to work on the electric equipment
before disconnecting the machine or its parts from the
electrical line.
MANDATORY
Have the electrical maintenance operations performed
by qualied personnel. Perform the checks on the
electric equipment as specied in the manual.

VHB436N
5C504
US
Description of the machine
Accessories
Various accessories are available; refer to the manufacturer’s
accessory catalogue.
DANGER!
Use only genuine accessories supplied and authorized
by the manufacturer.
Packing and unpacking
All the dispatched equipment has been thoroughly checked
before being delivered to the haulage contractor.
On arrival, check the machine to see that it has not been
damaged during transport. If this is the case, immediately
lodge a complaint with the haulage contractor.
Dispose of the packing materials in compliance with the laws
in force.
Figure 2
Model A (in) B (in) C (in) lbs (*)
VHB436 47.2 27.5 66.9 330
(*) Weight with packing
Unpacking, moving, use and storage
To unpack the vacuum unit, remove the retainers with a
hammer and a screwdriver.
Also remove the fastening devices placed by the manufacturer
when packing, by using suitable tools.
Release the wheel brakes and remove the machine from the
supporting platform, by using a ramp that can provide adequate
capacity, and by driving the vacuum cleaner by the handle.
Operate on at, horizontal surfaces.
The load-bearing capacity of the surface the machine is placed
on must be suitable for bearing its weight.
If the device is to work in a xed position, allow wide space
around the device in order to ensure freedom of the movement
and allow the maintenance sta󰀨 to operate with ease.
DANGER!
The manufacturer shall not be liable for any damages
caused to the machine during lifting, when the lifting
equipment supplied by the manufacturer is not used.
DANGER!
When several supporting platforms are provided, the
supporting platform to which the machine is anchored
must be handled with a forklift truck that can provide
adequate capacity. Then unpack the machine by laying
it down on a at and horizontal surface that can provide
adequate capacity for the vacuum cleaner weight.
Vacuum Cleaner Parts and Labels
Figure 1
1. Identication plate:
Model code, serial number, year of manufacture, weight
2. Dust container
3. Dust container release lever
4. Inlet
5. Manometer
6. Filter shaker lever
7. Attention plate: Draws the operator’s attention to the
fact that the lter must only be shaken when the vacuum
cleaner is turned o󰀨 (see also par. “Primary lter shaker”).
8. Plug for connecting the vacuum cleaner to an electrical
socket for charging.
9. Control keypad
10. Closing band lever
11. Electrical Connector
This machine creates a strong air ow which is drawn in through
the vacuum inlet and blows out through the outlet.
Before turning on the machine, t the vacuum hose into the
inlet and then t the required tool on to the end part (refer to the
manufacturer’s accessory catalogue or Service Centre).
The diameters of the authorized hoses are indicated in the
Technical data table.
The machine is equipped with a main lter which enables it to
be used for the majority of applications.
In addition to the primary lter that retains the most common
dust, a secondary lter (absolute lter) can be installed.
This machine is equipped with an internal ba󰀪e plate which
subjects the vacuumed substances to a circular centrifugal
movement that makes them drop into the container.
Optional kits
Various optional kits are available for converting the machine.
On request, the machine can be supplied with optional kits
already installed. However, they can also be installed at a later
date.
Please contact the sales network for further details.
Instructions describing how to t the optional kits and the
relative operation and maintenance manuals are supplied
together with the optional kits.
DANGER!
Use only supplied and authorized genuine spare parts.

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US
Setting to work
DANGER!
■Make sure there is no evident sign of damage to
the machine before starting work.
■Before starting any operation, carry out a complete
recharge cycle of the battery pack.
The system safety o󰀩cers must:
■Prevent any improper use or maneuver;
■Make sure that the safety devices are not removed or
tampered with;
■Check that all maintenance operations are regularly
performed;
■ Make sure that no machine part (couplings, holes, etc.) is
modied to attach additional devices;
■ Make sure that only original Nilsk spare parts are used.
NOTE
The user shall be responsible for ensuring that installation
complies with the all relevant local provisions. The
equipment must be installed by qualied technicians who
have read and understood the instructions herein.
Charging Mode
DANGER!
■Before plugging the machine into the electrical
mains, make sure the voltage rating indicated on
the data plate corresponds to that of the electrical
mains.
■Connect the plug into a socket with a correctly
installed ground contact/connection.
■The plugs and connectors of the connection cables
must be protected against splashes of water.
■Check that for proper connection to the electrical
mains.
■Charging the machine only when the cables that
connect to the electricity mains are in perfect
condition (damaged cables could lead to electric
shocks!).
■Regularly check there are no signs of damage,
excessive wear, cracks or ageing on the charging
cable.
DANGER!
When the device is in charging, do not:
■Crush, pull, damage or tread on the charging cable
that connects to the electrical mains.
■Only disconnect the charging cable from the
electrical mains by removing the plug (do not pull
the cable).
■The charging cable must be replaced by the
manufacturer’s Service Centre sta or by
equivalent qualied personnel.
DANGER!
The device must only be charged indoors and protected
from atmospheric agent.
DANGER!
When the machine is being charged, the suction motors
are disabled for operation.
DANGER!
Don’t charge the machine battery when the temperature
is below 0°C.
DANGER!
Entry of water or other liquids into the batteries
compartment may cause possible mortal danger and
material damage.
Do not use water for cleaning the battery module.
Never put down containers with uids (beverage
containers and the like) on electrical systems.
The relative humidity inside the room must not exceed
85%.
Do not clean the system with agents containing acid,
lye or solvents.
Charge the machine
Figure 1
To charge the machine battery, connect the supplied charging
cord to the plug (8). The charging LED starts ashing and
charging is in progress.
Dry applications
[ NOTE ]
The supplied lters and the bag (if applicable) must be
installed correctly.
DANGER!
Comply with the safety regulations governing the
vacuumed materials.

VHB436N
7C504
US
Technical data
Parameter Units
VHB436Nx
2 Battery (Standard) 3 Battery (Optionals)
Voltage Volts 36
Power rating kW 2.4
Current Draw, rated Amps 14.5
Waterlift, max Inches H2O 51.2
Maximum air ow rate without hose
and reductions cfm 250
Maximum air ow rate (3 m Ø 50 mm
hose) cfm 170
Sound pressure level (*) dB(A) 71
Vibration, ah (**) m/s2≤2.5
Insulation Class Class III
Tank Capacity Gallons/liters 13 / 50
Machine Inlet Inches 2.75
Filter Area, main Sq. ft 21
Filter Area, optional HEPA Sq. ft 37.7
Absolute lter e󰀩ciency according to
MPPS method %99.995 @ 0.18 micron
Operating Time min 98 146
Charging Time min 200 270
Weight lb 275 300
(*) Measurement uncertainty KpA < 1.5 dB (A). Noise emission values obtained according to EN-60335-2-69
(**) Total value of vibration output to the operator arm and hand
Dimensions
Figure 3
Model VHB436
A (in) 41.3
B (in) 23.6
C (in) 49.2
[ NOTE ]
■Storage conditions:
Temperature: -10°C ÷ +40°C
Humidity: ≤ 85%
■Operating conditions:
Maximum altitude: 800 m
(Up to 2,000 m with reduced performances)
Temperature: -10°C ÷ +40°C
Humidity: ≤ 85%
[ NOTE ]
If used at temperature below 0°C, battery life may not be as
long as stated.

C504 8
VHB436N
US
Controls and indicators
Figure 4
1. Start/Stop indicator and button
If the indicator is lit, the motor is ON.
You can start/stop each motor with this button.
2. Stop button
This button stops all the motors simultaneously when
pressed.
3. Battery charge indicator
When all the LED are on, the battery is fully charged
4. Manual lter shaker knob
Inspections prior to starting
Figure 5
1. Inlet
Prior to starting, check that:
■ The lters are installed;
■The closing band is properly tightened;
■ The vacuum hose and tools have been correctly tted into
the inlet (1);
■The bag or safety container is installed, if applicable.
DANGER!
Do not use the device if the lters are faulty.
Starting and stopping
DANGER!
Before starting the machine, lock the caster brakes
Figure 4
■ Press button (2) to start each vacuum motor
■ Press button (1) to start each additional vacuum motor
■ Press button (1) again to stop each motor or press button
(2) to stop all motors at once.
Emergency stopping
Press Stop button. The vacuum cleaner stops.
Operation
Figure 6
Vacuum gauge (2): green zone (3), red zone (1)
Check the ow rate:
■when the vacuum cleaner is operating, the pointer of
the vacuum gauge must remain in the green zone (3)
to ensure that the speed of the intake air does not drop
below the safety value of 20 m/sec;
■ if the pointer is in the red zone (1) it means that the speed
of the air in the vacuum hose is less than 20 m/s and that
the vacuum cleaner is not operating in safety conditions.
The lters must be shaken or replaced.
■during normal operation conditions, close the vacuum
hose, the pointer of the vacuum gauge must switch from
the green zone (3) to the red zone (1).
DANGER!
When the vacuum cleaner is operating, always check
that the vacuum gauge pointer remains in the green
zone (3).
Consult the “Troubleshooting” chapter if faults occur.
DANGER!
The air speed in the suction tube should not be less
than 20 m/s.
Condition indicated by the pointer of the vacuum gauge
in the green zone (3).
DANGER!
All machines must only use hoses with diameters in
accordance with the “Technical Data” table.
At the end of a cleaning session
■ Turn o󰀨 the machine
■Empty the container and clean the machine as described
in the “Maintenance, cleaning and decontamination”
paragraph.
■Wash the container with clean water if aggressive
substances have been vacuumed.
■Store the machine in a dry place, out of reach of
unauthorized people.
■Lock the caster brakes.
■During transport and when not using the machine, close
the inlet with the relevant plug (if equipped).

VHB436N
9C504
US
■A check must be carried out by the manufacturer or the
personnel of the same at least once a year. For example:
Check the air lters to nd out whether the air-tightness of
the machine has been impaired in any way and make sure
that the electric control panel operates correctly.
Primary lter cleaning with manual system
Figure 7
In relation to the quantity of material vacuumed and if indicator
(2 - Fig. 6) is red, turn the vacuum cleaner o󰀨 and use knob (1)
of the manual lter shaker.
DANGER!
Stop the machine before using the lter shaker.
Do not shake the lter with the machine functioning, as
this could damage the lter.
Wait before restarting the machine, to allow the dust to settle.
Replace the lter element if the vacuum gauge pointer stays in
the red zone even after the lter has been shaken (see “Main
and absolute lter disassembly and replacement”).
[ NOTE ]
If the indicator is still in the red area. The vacuum hose or
one of the accessories may be clogged, and not the lter.
Clean these parts if this is the case.
Emptying the container
DANGER!
Before proceeding with these operations, turn o the
machine.
Before emptying the container it is advisable to clean the lter
(see “Cleaning the main lter” paragraph).
Figure 8
■Release the dust container with lever, then remove and
empty it.
■ Clean the machine as described in the “Maintenance,
cleaning and decontamination” paragraph.
■Wash the container with clean water if aggressive
substances have been vacuumed.
■Make sure the seal is in perfect condition and correctly
positioned.
■Place the container back in position and secure it again.
[ NOTE ]
After the cleaning session, leave the machine running for at
least 60 seconds before turning it o.
Avoid switching on/o too frequently.
DANGER!
Disconnect the machine from its power source before
cleaning, servicing, replacing parts or converting it to
obtain another version/variant.
■Carry out only the maintenance operations
described in this manual.
■Use only original spare parts.
■Do not modify the machine in any way.
Failure to comply with these instructions could
jeopardize your safety. Moreover, such action would
immediately void the EC declaration of conformity/
incorporation issued with the device.
DANGER!
For maintenance procedures not described in this
manual, please contact the manufacturer’s technical
support or sales network.
DANGER!
To guarantee the safety level of the device, only original
spare parts supplied by the manufacturer should be
used.
DANGER!
The precautions described below must be taken during
all maintenance operations, including cleaning and
replacing the primary and absolute lters.
■To allow the user to carry out the maintenance operations,
the machine must be disassembled, cleaned and
overhauled as far as is reasonably possible, without
causing hazards for the maintenance sta󰀨 or other
people. The suitable precautions include decontamination
before disassembling the machine, adequate ltered
ventilation of the exhaust air from the room in which it
is disassembled, cleaning of the maintenance area, and
suitable personal protection.
■The external parts of the machine must be decontaminated
by cleaning and vacuuming methods, dedusted or treated
with sealant before being taken out of a hazardous zone.
■All parts of the machine must be considered as
contaminated when they are removed from the hazardous
zone and appropriate actions must be taken to prevent
dust from dispersing.
■When maintenance or repair procedure are carried out,
all the contaminated elements that cannot be properly
cleaned, must be eliminated.
■These elements must be disposed of in sealed bags in
accordance with applicable regulations and local laws on
the disposal of such material.
■ This procedure must also be followed for lter disposal
(primary and absolute lters).
■Compartments that are not dust-tight must be opened
with suitable tools (screwdrivers, wrenches, etc.) and
thoroughly cleaned.
Maintenance, cleaning and decontamination

C504 10
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Poly Liner
Figure 8
The machine can be equipped with a plastic container liner
bag.
In this case, the machine must be equipped with optional
accessories (depressor and grid).
If the bag is not installed or is installed incorrectly, this could
create health risks for persons exposed.
Paper Bag and Safe Bag for dust collection
Figure 9
The machine can be equipped with dust collection bag.
In this case, the machine must be equipped with a specic
container and a cap on the side.
If the bag is not properly installed, it could create health risks
for people exposed.
[ NOTE ]
The safe bag system is suitable to collect toxic dust to
ensure that the user does not come into contact with the
product.
Longopac®bag for dust collection
Figure 10
The machine can be equipped with dust collection bag.
In this case, the material is discharged by gravity when the
vacuuming stops. The Longopac® bag can be cut, sealed or
closed to the size required.
If the bag is not properly installed, it could create health risks
for people exposed.
Replacement of dust bags
DANGER!
■These operations can only be carried out by trained
and qualied personnel who must wear adequate
clothing, in compliance with the laws in force.
■Take care not to raise dust during this operation.
Wear a P3 protective mask.
■In case of hazardous and/or harmful dust, use only
the bags recommended by the manufacturer (see
“Recommended spare parts”).
■The bag must only be disposed of by qualied
personnel and in compliance with the laws in force.
DANGER!
Use only original Nilsk bags.
DANGER!
Only use bags suitable for the machine class you are
using.
DANGER!
Take care not to raise dust during this operation. Wear
a P3 mask and other protective clothing plus protective
gloves (DPI) suited to the hazardous nature of the dust
collected, refer to the laws in force.
How to replace the Poly Liner
Figure 8
■ Close the inlet by using the relevant cap (if equipped).
■Release the dust container.
■Remove the dust bag and close it with a clamp, if
necessary.
■Place a new bag, taking care to wrap it around the outer
wall of the dust container.
■Set the dust container into the machine again.
How to replace the Paper Bag
Figure 9
■ Close the inlet by using the relevant cap (if equipped).
■Release the dust container.
■ Remove the bag and close it with the relevant cap (1) as
shown in the gure.
■Insert a new bag, making sure the bag inlet is sealed.
■Set the dust container into the machine again.
How to replace the Safe Bag
Figure 9
■Remove and put the vacuum hose in a safe and dust-free
place.
■ Close the inlet by using the relevant cap (if equipped).
■Release the dust container.
■ Close the Safe Bag by pulling the “guillotine” seal (2).
■Close the plastic bag hermetically using the relevant band
(3).
■ Use the sticky tape (4) to close the bottom of the plastic
bag.
■ Remove the relevant connection (5) of the bag from the
inlet.
■Insert a new safe bag, making sure the vacuum inlet is
well connected to the bag attachment, to grant the sealing.
■Wrap the plastic bag around the dust container external
wall.
■Place the dust container in the vacuum cleaner.
How to replace the Longopac®
Figure 10
■ Turn the bag full of dust (1) on itself to obtain a section of
coiled bags to be tightened with two clamps (2).
■Place the two clamps at a distance of 50 mm between
them, then with a pair of scissors cut between the two
clamps.
■ Remove the bag full of dust (1) and place the new section
of Longopac® (3).

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Main and absolute lter disassembly and
replacement
DANGER!
When the machine is used to vacuum hazardous
substances, the lters become contaminated, therefore:
■Work with care and avoid spilling the vacuumed
dust and/or material;
■place the disassembled and/or replaced lter in a
sealed plastic bag;
■close the bag hermetically;
■dispose of the lter in accordance with the laws
in force.
DANGER!
Filter replacement is a serious matter. The lter must be
replaced with one of identical characteristics, ltering
surface and category.
Otherwise the machine will not operate correctly.
Before proceeding with these operations, turn o the
machine and remove the plug from the power socket.
DANGER!
Before performing these operations, clean the lter
as described in the “Maintenance, cleaning and
decontamination” paragraph.
DANGER!
Take care not to raise dust during this operation. Wear
a P3 mask and other protective clothing plus protective
gloves (DPI) suited to the hazardous nature of the dust
collected, refer to the laws in force.
DANGER!
Reassemble with care to avoid trapping your hands
between the vacuum unit and the container. Use gloves
that provide protection against mechanical risks.
DANGER!
Before proceeding with these operations, turn o the
machine and remove the plug from the power socket.
Primary lter replacement, for machines equipped
with manual cleaning system
Figure 11
■Disconnect the electrical connector
■ Use lever (2) to release vacuum unit (1) then pull it up and
out of the vacuum cleaner.
■ Remove the lter cage from the vacuum cleaner.
■ Fit the new lter and secure it in the cage with new plastic
ties.
■ Dispose of the old lter according to the laws in force.
■ After having replaced and tted the lter in the cage, insert
lter shaker cage (4) in the shaped seat (5) of the lter
shaker.
■ Position the manual lter shaker knob (6) in the middle.
■ Reassemble vacuum unit (1) complete with cage and
lter, in the vacuum container.
■ Check the lter shaker works properly and if necessary
adjust the position of the lter cage by turning the vacuum
unit.
■ Use locking lever (3) to lock the vacuum unit in place.
If necessary contact the manufacturer’s Service Center.
Upstream absolute lter replacement
Figure 12
■Disconnect the electrical connector
■ Use lever (2) to release vacuum unit (1) then pull it up and
out of the vacuum cleaner.
■ Unscrew ring (4).
■ Pull out disc (5) and HEPA lter (6).
■ Place HEPA lter (6) in a plastic bag, close the bag
hermetically and dispose of the lter in accordance with
the laws in force.
■ Insert a new lter (6) with the same ltering characteristics
as the removed one.
■ Lock the HEPA lter with disc (5) and tighten ring (4).
■ Replace vacuum unit (1).
■ Fix the vacuum unit in place with lever (2) and lock safety
bolt (3) again.
Installation, cleaning and replacement of
the cyclone lter protector (optional)
Figure 13
[ NOTE ]
Instructions describing how to t the optional kits and the
relative operation and maintenance manuals are supplied
together with the optional kits.
[ NOTE ]
If there is only a dust deposit on the cyclone (4) allow the
dust to drop through the central hole.
The cyclone (1) should rst be disassembled in order to be
perfectly cleaned:
■ Use lever (3) to release vacuum unit (2) then pull it up and
out of the vacuum cleaner.
■ Remove the lter cage from the vacuum cleaner.
■ Remove the lter.
■ Unscrew the two screws (4) and remove it from the
container.
■Replace the part if it is excessively worn.
■ Reinstall the cyclone (1).
■ Lock it and x it by means of the two screws (4).
■ Fit the lter back in place, close the cover (2) and lock it by
means of the lever (3).

C504 12
VHB436N
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Tightness inspection
Hoses check
Figure 14
Make sure that connecting hoses (1) are in a good condition
and correctly xed.
If the hoses are damaged, broken or badly connected to the
unions, they must be replaced.
When sticky materials are treated, check for possible clogging
along the hose, in the inlet and on the ba󰀪e plate inside the
ltering chamber.
To clean, scrape the inlet from the outside to remove deposits.
Filtering chamber gasket check for machines
equipped with dust container
Figure 15
If the gasket (1) between the container and the ltering chamber
(3) fails to guarantee tightness:
■ Loosen the four screws (2) that lock the ltering chamber
(3) against the machine structure.
■ Allow the ltering chamber (3) to lower down and tighten
the screws (2) once it has reached the tightness position.
If an optimal seal is not yet obtained or if there are tears, cracks,
etc., the gasket must be replaced.
Filtering chamber gasket check for machines
equipped with Longopac® system
Figura 16
Make sure there is a seal between the Longopac® bag and the
gasket (2).
Also check the tightness of the seal on the discharge ap (1).
If there are any tears, cracks, etc., they should be replaced.
Wiring diagrams
Figure 17

VHB436N
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Recommended spare parts
The following is a list of spare parts that should be kept ready at hand in order to speed up maintenance operations.
Refer to the manufacturer’s spare parts catalogue when ordering spare parts.
Description P/N
Primary lter 40000492
Filter ring gasket Z8 17026
Filter chamber gasket 4081701540
Filter clamp Z8 18079
Absolute lter 4081700935
Longopac 4084000956
Paper Bag (5 pieces) 81584000
Safe Bag (1 piece) 4084001468
Polyethylene Bag LDPE Z8 40099
36V Motor 4089101116
Motor brush 4083902036
Motor Gasket Z8 17325
Battery kit 106479011

C504 14
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Troubleshooting
Problem Cause Remedy
The vacuum cleaner does not start Battery problem
Check if the battery charge is su󰀩cient
Check if the led on the battery is green
Check the condition of the socket and the recharge
cable.
Ask for assistance to be performed by a qualied
manufacturer’s technician.
The vacuum cleaner revolutions
increase
Clogged primary lter Use the lter shaker (models with manual lter
shaker). Replace it if this is not su󰀩cient.
Clogged vacuum hose Check the vacuum hose and clean it.
Dust leaks from the vacuum cleaner
The lter is torn Replace it with another of identical type.
Inadequate lter Replace it with another of a suitable category and
check.
Electrostatic current on the vacuum
cleaner Missing or ine󰀩cient grounding
Check all ground connections. In particular on the
vacuum inlet tting; replace the hose with an antistatic
hose.
WARRANTY
Nilsk warrants that its equipment will be free of defects in workmanship or material for a period of two years from the date of
delivery. If the vacuum fails to meet these warranty standards, Nilsk shall, upon notication within such time period, correct
such non-conformity, at its option, either by repairing any defective part or parts, or by replacing a part or parts, provided that the
equipment is returned to an authorized Nilsk service facility. In all cases freight both ways will be at expense of the customer.
Equipment shall not be returned without advance notice to, and consent of Nilsk.
EXCEPT AS SPECIFICALLY SET FORTH HEREIN, NILFISK MAKES NO WARRANTIES, EITHER EXPRESSED OR
IMPLIED, AS TO ANY MATTER WHATSOEVER, INCLUDING WITHOUT LIMITATION ANY AND ALL WARRANTIES OF
MERCHANTABILITY, FITNESS OF PURPOSE, OR OTHER WARRANTIES, ALL OF WHICH ARE EXPRESSLY DISCLAIMED
AND EXCLUDED. NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PRODUCTION, LOSS OF PROFITS OR ANY
OTHER SIMILAR INDIRECT LOSSES WHICH MIGHT OCCUR AS A RESULT OF DEFECTS, PARTIAL OR TOTAL FAILURE
OF THE PRODUCT TO PERFORM AS SPECIFIED.
Correction of non-conformities or defects in the manner and for the period of time provided above, shall constitute fullment of
all liabilities of Nilsk to the customer, whether based on contract, negligence or otherwise with respect to, or arising out of such
equipment. The remedies set forth herein are exclusive, and the liability of Nilsk with respect to this sale or anything done in
connection therewith, whether in contract, in tort, under any warranty, or otherwise, shall not, except as expressly provided herein,
exceed the price of the equipment or part on which such liability is based.
This warranty does not cover repairs due to normal wear and tear, accident, neglect, misuse or abuse, incorrect installation or use
other than as described in the instruction booklet. Breaks in hoses and cables are not covered.
This warranty is rendered void if the motor number plate is removed or defaced or if repairs are made or attempted by persons
not authorized by Nilsk.
Some states do not allow exclusion of implied warranties or limitations on how long an implied warranty lasts so the above
exclusions or limitation of implied warranties may not apply. Some states do not allow exclusion or limitation of incidental or
consequential damages so the above exclusion or limitation of incidental or consequential damages may not apply.
Limited warranties set forth above give specic legal rights. Customer may have other rights which vary from state to state.

VHB436N
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Mode d’emploi .................................................................................................................2
Sécurité de l’opérateur .................................................................................................................... 2
Informations générales sur l’utilisation de la machine..................................................................... 3
Utilisations prévues ......................................................................................................................... 3
Utilisations inappropriées ................................................................................................................ 3
Versions et variantes de fabrication ................................................................................................ 3
Recommandations générales.......................................................................................................... 3
Risque résiduel................................................................................................................................ 4
Description de la machine..............................................................................................5
Composants de l’aspirateur et étiquettes........................................................................................ 5
Options de transformation............................................................................................................... 5
Accessoires..................................................................................................................................... 5
Emballage et déballage................................................................................................................... 5
Déballage, manutention, emploi et stockage .................................................................................. 5
Réglage........................................................................................................................................... 6
Mode de charge .............................................................................................................................. 6
Aspiration de substances sèches.................................................................................................... 6
Caractéristiques techniques............................................................................................................ 7
Dimensions...................................................................................................................................... 7
Commandes et indicateurs.............................................................................................................. 8
Contrôles avant la mise en marche................................................................................................. 8
Mise en marche et arrêt .................................................................................................................. 8
Arrêt d’urgence................................................................................................................................ 8
Fonctionnement............................................................................................................................... 8
À la n du nettoyage........................................................................................................................ 8
Entretien, nettoyage et décontamination......................................................................9
Nettoyage du ltre primaire avec système manuel ......................................................................... 9
Vidange de la cuve à poussières .................................................................................................... 9
Sac en polyéthylène...................................................................................................................... 10
Sac en papier et Safe Bag pour l’aspiration des poussières......................................................... 10
Sac Longopac®pour l’aspiration des poussières .......................................................................... 10
Mode de remplacement des sacs à poussière.............................................................................. 10
Démontage et remplacement des ltres principal et absolu...........................................................11
Installation, nettoyage et remplacement du protecteur de ltre du cyclone (option) ......................11
Contrôle des étanchéités............................................................................................................... 12
Schémas électriques..................................................................................................................... 12
Pièces détachées conseillées ......................................................................................13
Dépannage .....................................................................................................................14
GARANTIE.................................................................................................................................... 14
Table des matières

C504 2
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Mode d’emploi
CONSERVER CES INSTRUCTIONS
INSTRUCTIONS IMPORTANTES DE SÉCURITÉ
Pour réduire le risque d’incendie, chocs électriques ou
blessures :
-Ne pas laisser la machine sans surveillance lorsqu’elle
est branchée. La débrancher lorsqu’elle n’est pas utilisée
et avant toute opération d’entretien.
-Pour réduire le risque de chocs électriques, ne pas l’uti-
liser à l’extérieur.
-Ne pas permettre que la machine soit utilisée comme
jouet. La machine doit être utilisée exclusivement par
les adultes. Faire très attention lors d’une utilisation par
et près d’enfants.
-Utiliser la machine selon les indications décrites dans le
présent manuel. Utiliser exclusivement les accessoires
recommandés par le fabricant.
-Ne pas utiliser avec des câbles de recharge ou des ches
endommagés. Si la machine ne fonctionne pas correc-
tement, si elle est endommagée, laissée à l’extérieur ou
tombée dans l’eau, la porter auprès d’un Service après-
vente agréé.
-Ne pas la tirer par le câble de recharge, ne pas utiliser
le câble comme poignée, ne pas fermer de porte sur le
câble et ne pas tirer le câble sur des surfaces ou coins
tranchants. Ne pas démarrer la machine sur le câble.
Tenir le câble loin des surfaces chaudes.
-Ne pas tirer le câble de recharge pour débrancher la
machine. Pour débrancher la machine, saisir la che et
non le câble.
-Ne pas toucher la che, le câble de recharge ou la machine
avec les mains mouillées.
-Ne pas insérer d’objets dans les ouvertures. Ne pas uti-
liser si les ouvertures sont colmatées ; les garder libres
de poussière, lasse, poils et tout autre corps étranger à
même de réduire le ux d’air.
-Éviter que les poils, les vêtements amples, les doigts
et les parties du corps soient entraînés dans les parties
mobiles de la machine.
-Désactiver toutes les commandes avant de débrancher
la machine de la prise de courant.
-Prêter particulièrement attention pendant le nettoyage
des escaliers.
-Ne pas utiliser pour aspirer de liquides inammables ou
combustibles (par exemple, l’essence) et ne pas utiliser
dans des endroits où ils pourraient être présents.
-Ne pas aspirer de matières ardentes (cigarettes, braises,
cendres chaudes).
-Ne pas utiliser sans le sac à collecte de poussière ou
le ltre.
-Pour le mode charge, brancher exclusivement à une
prise électrique de terre adaptée. Lire les instructions de
mise à la terre.
-Débrancher avant de brancher tout accessoire mécanique.
LIRE TOUTES LES INSTRUCTIONS D'UTILISATION AVANT
D'UTILISER CET APPAREIL
Observer les avertissements importants de sécurité repérés par le mot DANGER !
Sécurité de l’opérateur
DANGER !
Avant de mettre la machine en service, lire
absolument les instructions d’utilisation et
les garder à portée de main pour pouvoir les
consulter en cas de besoin.
L’utilisation de la machine est réservée exclusivement
au personnel expérimenté, formé et expressément
chargé du fonctionnement.
Avant l’utilisation, les opérateurs doivent être instruits
et formés à l’utilisation de l’appareil et des substances
pour lesquelles il doit être utilisé, y compris la méthode
sûre d’évacuation et d’élimination de la matière
recueillie.
DANGER !
Cette machine ne doit pas être utilisée par des
personnes (y compris des enfants) présentant des
troubles psychiques, sensoriels ou mentaux ou ayant
un degré d’instruction et de connaissance insusant,
à moins qu’ils soient sous la surveillance d’une
personne compétente dans l’emploi ou le maniement
sécurisé de la machine.
Les enfants doivent être surveillés an qu’ils ne jouent
pas avec la machine.
DANGER !
Avant d’utiliser la machine s’assurer que toute
condition de danger a été éliminée et informer les
responsables préposés de toute irrégularité éventuelle
de fonctionnement.
S’assurer que toutes les protections et les dispositifs
de sécurités sont à leur place et ecaces.
Les interventions de réparation doivent être eectuées
la machine à l’arrêt, débranchée de l’alimentation
électrique et pneumatique. Ne pas eectuer aucune
intervention de réparation sans autorisation préalable.
DANGER !
Tout changement apporté par l’utilisateur sans
l’autorisation explicite du fabricant rend la
garantie caduque et exonère le fabricant de toutes
responsabilités en cas de dommages causés par des
produits défectueux.

VHB436N
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Informations générales sur l’utilisation de
la machine
L’utilisation de la machine est soumise aux normes
internationales en vigueur.
En plus des instructions de mode d’emploi et des règlements en
vigueur dans le Pays où l'appareil est utilisé, il est nécessaire
d'observer les règles techniques pour un travail sûr et correct.
Éviter tout travail pouvant porter atteinte à la sécurité des
personnes, des choses et de l’environnement.
Observer les informations et les prescriptions de sécurité
contenues dans ce manuel d’instructions.
Utilisations prévues
Cet appareil convient pour l’emploi commercial, par exemple
dans des hôtels, des écoles, des hôpitaux, des usines, des
magasins, des bureaux, des résidences, pour l’emploi en
location et de toute manière pour des emplois di󰀨érents du
simple usage domestique.
Cet appareil convient pour les travaux de nettoyage et de
collecte de matières solides en lieux couverts et à ciel ouvert,
s'il est protégé des agents atmosphériques.
L’appareil a été conçu pour être utilisé par un seul opérateur.
Cet appareil comprend une unité d’aspiration avec un ltre à
l’aspiration et munie d'une cuve pour la collecte des déchets
aspirés.
Utilisations inappropriées
DANGER !
Sont formellement interdits :
■L’utilisation en plein air en cas de précipitations
atmosphériques.
■L’utilisation de l’appareil sur des surfaces non
planes et non horizontales.
■L’utilisation sans l’unité ltrante prévue par le
fabricant.
■L’utilisation avec la bouche et/ou le tuyau
d’aspiration tournés vers le corps humain.
■L’utilisation sans couverture de l’unité d’aspiration.
■L’utilisation sans avoir installé la cuve à poussières.
■L’utilisation sans les abris, les protections et les
dispositifs de sécurité installés par le fabricant.
■L’utilisation du convoyeur en bouchant
partiellement ou totalement les prises d’air de
refroidissement des composants intérieurs.
■L’utilisation de la machine couverte par des toiles
en plastique ou en tissu.
■L’utilisation avec les bouches d’échappement d’air
complètement ou partiellement fermées.
■L’utilisation dans des endroits exigus, qui ne
permettent pas l’échange d’air.
■Lorsque le câble ou la che est endommagé. Si la
machine ne fonctionne pas correctement, si elle
est endommagée, laissée à l’extérieur ou tombée
dans l’eau, la porter auprès d’un service après-
vente agréé.
■Aspiration de grandes quantités de liquides.
■Déplacer la machine avec le bras d'aspiration
installé.
■Tirer la machine du tuyau d'aspiration, en
particulier lorsqu'elle est montée sur le support de
la trémie.
DANGER !
Sont formellement interdits :
■L’aspiration des matériaux suivants :
1. Matières ardentes (braises, cendres chaudes,
cigarettes allumées, etc.).
2. Flammes libres.
3. Gaz combustibles.
4. Liquides inammables, combustibles
agressifs (essence, solvants, acides,
solutions alcalines, etc.).
5. Poussières/substances et/ou mélanges
explosifs et à allumage spontané (poussières
de magnésium ou d’aluminium, etc.).
Remarque : Tout ce qui a été mentionné ci-dessus
n’inclut pas l’utilisation dolosive et cette dernière est
absolument interdite.
Cet aspirateur ne peut en aucun cas être utilisé pour aspirer
des substances dangereuses ou toxiques en tout sécurité, à
moins qu’il ne soit équipé d’un ltre absolu (HEPA/ULPA).
Veiller à installer le ltre HEPA / ULPA conformément aux
instructions écrites de Nilsk.
Ne pas utiliser cet aspirateur pour éliminer des substances
dangereuses à moins d’être o󰀩ciellement autorisé et / ou
agréé pour ce travail par les autorités compétentes.
Versions et variantes de fabrication
Variantes HEPA
Cette machine peut être dotée d’un ltre à l’aspiration (HEPA).
Les procédures d’entretien et de vidange, y compris le retrait
de la cuve à poussières, doivent être conées exclusivement à
du personnel agréé, qui doit porter un habillement protecteur.
Ne pas faire fonctionner sans système de ltration complet.
DANGER !
Cette machine ne convient pas pour aspirer les
poussières dangereuses.
■En cas de poussières nocives pour la santé,
s’adresser aux autorités nationales préposées à
la santé et la sécurité, et respecter les normatives
nationales en vigueur pendant l’emploi et
l’élimination.
■Les substances radio-actives ne font par partie
par dénition du type de poussières nocives pour
la santé, décrites plus haut.
Recommandations générales
DANGER !
En cas d’émergence :
■Incident
■Panne
■Rupture du ltre
■Incendie
■etc.
Demander l’intervention du personnel spécialisé.
Si l’utilisateur entre en contact avec le produit aspiré,
vérier les avertissements indiqués dans la che
technique de sécurité du produit même, qui doit être
mise à disposition par l’employeur.

C504 4
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[ REMARQUE ]
Vérier les substances admises et la zone de travail en cas
de machine en version liquides.
DANGER !
Les machines ne doivent pas être utilisées ou stockées
en plein air ou en présence d’humidité.
[ REMARQUE ]
Ne pas utiliser ces appareils dans des milieux corrosifs.
DANGER !
La machine et les batteries sont classées comme
matières dangereuses :
■Piles : UN 3480
■Machine avec batteries embarquées : UN 3481
Veuillez vous référer aux réglementations locales pour
leur transport et leur stockage.
Risque résiduel
Après avoir pris en considération les risques présents durant
toutes les phases de fonctionnement de la machine, des
mesures nécessaires ont été adoptées an d’éliminer les
risques pour les opérateurs, dans la mesure du possible, et/
ou an de limiter ou réduire les risques dus à des dangers ne
pouvant pas être totalement éliminés à la source.
Durant les opérations et/ou l’entretien, les opérateurs sont
exposés à certains risques résiduels qui, en raison de la nature
même des opérations, ne peuvent pas être complètement
éliminés. L’installateur est donc responsable de fournir des
informations supplémentaires et/ou des signaux de danger en
fonction de l’emplacement d’installation de la machine et des
matières traitées.
■Dangers électriques encourus durant l’entretien
DANGER
Risque d’électrocution en cas d’accès aux composants
électriques durant l’entretien sans avoir désactivé
l’alimentation électrique.
INTERDICTION
Il est interdit de travailler sur les composants électriques
avant d’avoir débranché la machine ou ses pièces de la
ligne électrique.
OBLIGATION
Les opérations d’entretien électrique doivent être
réalisées par du personnel qualié. Réaliser les
contrôles sur les composants électriques comme
indiqué dans le manuel.