Main And Absolute Filter Disassembly And Replacement; Installation, Cleaning And Replacement Of The Cyclone Filter Protector (Optional) - Nilfisk VHB436N Manual De Instrucciones

Main and absolute filter disassembly and
replacement
DANGER!
When the machine 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 filter in a
sealed plastic bag;
■ close the bag hermetically;
■
dispose of the filter in accordance with the laws
in force.
DANGER!
Filter replacement is a serious matter. The filter must be
replaced with one of identical characteristics, filtering
surface and category.
Otherwise the machine will not operate correctly.
Before proceeding with these operations, turn off the
machine and remove the plug from the power socket.
DANGER!
Before performing these operations, clean the filter
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 off the
machine and remove the plug from the power socket.
Primary filter 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 filter cage from the vacuum cleaner.
■ Fit the new filter and secure it in the cage with new plastic
ties.
■ Dispose of the old filter according to the laws in force.
■ After having replaced and fitted the filter in the cage, insert
filter shaker cage (4) in the shaped seat (5) of the filter
shaker.
■ Position the manual filter shaker knob (6) in the middle.
■ Reassemble vacuum unit (1) complete with cage and
filter, in the vacuum container.
■ Check the filter shaker works properly and if necessary
adjust the position of the filter 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 filter replacement
■ 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 filter (6).
■ Place HEPA filter (6) in a plastic bag, close the bag
hermetically and dispose of the filter in accordance with
the laws in force.
■ Insert a new filter (6) with the same filtering characteristics
as the removed one.
■ Lock the HEPA filter 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 filter protector (optional)
Instructions describing how to fit the optional kits and the
relative operation and maintenance manuals are supplied
together with the optional kits.
If there is only a dust deposit on the cyclone (4) allow the
dust to drop through the central hole.
The cyclone (1) should first 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 filter cage from the vacuum cleaner.
■ Remove the filter.
■ 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 fix it by means of the two screws (4).
■ Fit the filter back in place, close the cover (2) and lock it by
means of the lever (3).
11
VHB436N
Figure 12
Figure 13
[ NOTE ]
[ NOTE ]
US
C504