Maintenance, Cleaning And Decontamination; Primary Filter Cleaning With Manual System; Emptying The Container - Nilfisk VHB436N Manual De Instrucciones

Maintenance, cleaning and decontamination

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 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
causing hazards for the maintenance staff or other
people. The suitable precautions include decontamination
before disassembling the machine, adequate filtered
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 filter disposal
(primary and absolute filters).
■ 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.

Primary filter cleaning with manual system

In relation to the quantity of material vacuumed and if indicator
(2 - Fig. 6) is red, turn the vacuum cleaner off and use knob (1)
of the manual filter shaker.
Stop the machine before using the filter shaker.
Do not shake the filter with the machine functioning, as
this could damage the filter.
Wait before restarting the machine, to allow the dust to settle.
Replace the filter element if the vacuum gauge pointer stays in
the red zone even after the filter has been shaken (see "Main
and absolute filter 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.

Emptying the container

Before proceeding with these operations, turn off the
machine.
Before emptying the container it is advisable to clean the filter
(see "Cleaning the main filter" paragraph).
■ 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.
After the cleaning session, leave the machine running for at
least 60 seconds before turning it off.
Avoid switching on/off too frequently.
9
VHB436N
Figure 7
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[ NOTE ]
DANGER!
Figure 8
[ NOTE ]
US
C504