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Maintenance, cleaning and
decontamination
WARNING!
The precautions described below must be taken
during all the maintenance operations, including
cleaning and replacing of the filter.
To allow the user to carry out the maintenance
■
operations, the vacuum cleaner 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 device, adequate
filtered ventilation of the exhaust air from the
room in which it is disassembled, cleaning of
the maintenance area and suitable personal
protection.
Compartments that are not dust-tight must
be opened with suitable tools (screwdrivers,
wrenches, etc.) and thoroughly cleaned.
Carry out a technical inspection at least once
■
a year, e.g.: check the air filter to find out
whether the air-tightness of the vacuum
cleaner has been impaired in any way and
make sure that the electric control panel
operates correctly. This inspection must
be carried out by the manufacturer or by a
competent person.
Filter disassembly and replacement
WARNING!
When the vacuum cleaner is used to vacuum
hazardous substances, the filters become
contaminated, therefore:
Work with care and avoid spilling the
■
vacuumed dust and/or material.
Place the disassembled and/or replaced filters
■
in a sealed plastic bag.
Close it hermetically.
■
Dispose of the filters in accordance with the
■
laws in force.
WARNING!
Filter replacement is a serious matter. The filters
must be replaced with ones of identical filtering
surface characteristics.
Otherwise the vacuum cleaner will not operate
correctly.
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Filter cartridge replacement
Figure 10
Vacuum hose
1.
2.
Fixing clamp
3.
Compressed air hose
Electric cable
4.
5.
Electric connector
6.
Release lever
Cover
7.
8.
Filter cartridge support
9.
Filter cartridge
Filter cartridge fixing nut
10.
11.
Side cover
Before proceeding with these operations, turn off the vacuum
cleaner and remove the plug from the power socket.
■
Disassemble the vacuum hose (1) and tighten the
clamp (2).
Disconnect the compressed air hose (3) by releasing its
■
quick-fit coupling.
Disconnect the electric cable (4) by releasing the
■
connector (5).
■
Use the lever (6) to remove the cover (7) and the side
cover (11).
Disassemble the support (8) with the filter cartridges.
■
■
Remove the filters cartridge (9) by unscrewing the
fixing nuts (10).
Assemble the new filter cartridges and proceed in the
■
reverse order of removal to install all the components,
making sure that the previously disconnected electrical
and pneumatic connections have been reconnected.
When reassembling, turn the cover until the
electropneumatic device is in the right position for the
cartridge support.
■
Dispose of the old filter cartridges according to the laws
in force.
US
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