Maintenance, Cleaning And Decontamination; Filter Cleaning; Container And Dust Bag Cleaning - Nilfisk-Advance VHS110 Z22 Instructions For Use Manual

VHS110 Z22

Maintenance, cleaning and decontamination

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 machine.
For maintenance procedures not described in this
manual, please contact the manufacturer's technical
support or sales network.
To guarantee the safety level of the machine, only
original spare parts supplied by the manufacturer
should be used.
The precautions described below must be taken during
all maintenance operations, including cleaning and
replacing the primary and absolute filters.
■ 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
IT
causing hazards for the maintenance staff or other
people. The suitable precautions include decontamination
before disassembling the machine, adequate filtered
GB
ventilation of the exhaust air from the room in which it
is disassembled, cleaning of the maintenance area, and
suitable personal protection.
F
■ The external parts of the machine must be decontaminated
by cleaning and vacuuming methods, dedusted or treated
D
with sealant before being taken out of a hazardous zone.
■ All parts of the machine must be considered as
E
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 filter disposal
(primary and absolute filters).
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CAUTION!
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■ Compartments that are not dust-tight must be opened
with suitable tools (screwdrivers, wrenches, etc.) and
thoroughly cleaned.
■ 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 filters to find out whether the air-tightness of
the machine has been impaired in any way and make sure
that the electric control panel operates correctly.

Filter cleaning

Primary filter cleaning with manual system
Depending on the amount of vacuumed material, if the vacuum
gauge pointer (2, Fig. 6) goes from the green zone (3, Fig. 6)
to the red zone (1, Fig. 6), clean the primary filter by closing
the inlet (4, Fig. 1) and by opening the PullClean system flap
(3, Fig. 4), repeat the operation 3 or 4 times, for 1 or 2 seconds
each time.
Perform this procedure with the machine running.
Wait before restarting the machine, to allow the dust to settle.
Replace the filter element if the indicator is red, even after
the filter has been shaken (see "Primary and absolute filters
disassembly and replacement").
If the indicator is still in the red area. The vacuum hose or
one of the accessories may be clogged, and not the filter.
Clean these parts if this is the case.

Container and dust bag cleaning

Emptying the container
Before proceeding with these operations, turn off the
machine and remove the plug from the power socket.
Check the machine filtration class.
Before emptying the container it is advisable to clean the filter
(see "Cleaning the primary filter" paragraph).
■ Release the dust container (2) with the lever (3), 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 gasket is in perfect condition and correctly
positioned.
■ Place the container back in position and secure it again.
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CAUTION!
Figure 1