Nilfisk VHB436 Manual De Instrucciones página 27

How to replace the Longopac
Figure 10
■ Turn the bag full of dust (1) on itself to obtain a section of
coiled bags to be tightened with two clamps (2).
■ Place the two clamps at a distance of 50 mm between
them, then with a pair of scissors cut between the two
clamps.
■ Remove the bag full of dust (1) and place the new section
of Longopac (3).
®
Main and absolute filter disassembly and
replacement
CAUTION!
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.
CAUTION!
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.
CAUTION!
Before performing these operations, clean the filter
as described in the "Maintenance, cleaning and
decontamination" paragraph.
CAUTION!
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.
CAUTION!
Reassemble with care to avoid trapping your hands
between the vacuum unit and the container. Use gloves
that provide protection against mechanical risks (EN
388) with a level of protection CAT. II.
®
11
CAUTION!
Do not use the Class H filter again after having removed
it from the machine.
Primary filter replacement, for machines equipped
with manual cleaning system
Figure 11
■ Disengage the electrical connector.
■ Remove the vacuum hose (1).
■ Use the lever (2) to remove the cover (3) together with the
primary filter.
■ Remove the old filter from the cage.
■ Dispose of the old filter according to the laws in force.
■ Fit the new filter and insert the cage.
■ Install the cover and the primary filter in the reverse order
of removal.
Upstream absolute filter replacement
Figure 12
■ Loosen the clamp with a screwdriver and remove the
vacuum hose (1).
■ Unscrew the knob (2).
■ Unlock the safety bolt (5).
■ Use the lever (4) to release the cap (3) then pull it up and
out of the vacuum cleaner.
■ Unscrew ring nut (6)
■ Pull out fastening disc (7) and absolute filter (8)
■ Place absolute filter (8) in a plastic bag, close the bag
hermetically and dispose of the filter in accordance with
the laws in force.
■ Insert a new filter (8) with the same filtering characteristics
as the removed one
■ Lock the absolute filter with disc (7) and tighten the ring
nut (6)
■ Insert the cap (3) again.
■ Fix the cap in place with the lever (4) and lock the safety
bolt (5) again.
■ Screw the knob (2).
■ Fit the vacuum hose (1) back in place and tighten the
clamp
■ Lock it retightening the four nuts (1).
Downstream absolute filter replacement
■ Unscrew the knob and remove the cover.
■ Remove the absolute filter and place it in a plastic bag,
close the bag hermetically and dispose of the filter in
accordance to the laws in force.
■ Insert a new absolute filter with the same filtering
characteristics as the removed one.
■ Reinstall the cover by fastening it with the knob.
VHB436
GB
C505