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Maintenance, cleaning and decontamination
Disconnect the machine from its power source before
cleaning, servicing, replacing parts or converting it to
obtain another version/variant.
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Carry out only the maintenance operations
described in this manual.
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Use only original spare parts.
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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.
This Class H machine can collect dust hazardous for
the health. The procedures for servicing and emptying
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the machine including removing the dust bag, must
only be performed by specialised personnel wearing
protective clothing. Do not use without the complete
GB
filter system in place.
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In particular, on Class H machines, the filtering
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efficiency of the machine must be checked at least once
a year, or more often if required by national legislation.
The test method for checking the filtering efficiency of
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the machine is indicated in standard EN 60335-2-69,
par. 22.AA.201.2.
If the test isn't passed, it must be repeated after the
class H filter has been changed.
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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.
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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.
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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.
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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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Compartments that are not dust-tight must be opened
with suitable tools (screwdrivers, wrenches, etc.) and
thoroughly cleaned.
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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
According to the quantity of vacuumed material, if the vacuum
gauge pointer (2, Fig. 7) goes from the green zone (3, Fig. 7)
to the red zone (1, Fig. 7), shake the primary filter by turning
the lever (4, Fig. 5) clockwise/counter-clockwise for at least 5
complete cycles.
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 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.
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CAUTION!
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