Main Cartridge Filter Replacement, Models With Pullclean; Cartridge Replacement (Infiniclean Models); Upstream Absolute Filter Replacement - Nilfisk VHW320 Betriebsanleitung

Main cartridge filter replacement, models
with PullClean
Figure 17
1. Vacuum hose
2.
Release levers
3. Cap
4. Filter holder
5. Seal
6.
Cartridge filters
Before proceeding with these operations, turn off the vacuum
cleaner and remove the plug from the power socket.
■ Remove the vacuum hose (1).
■ Use one of the levers (2) to remove the cover (3).
■ Remove the filter holder (4).
■ Disassemble the filters (6) from the holder by turning them
counter-clockwise.
■ Assemble the new filters (6) by turning them clockwise
and check the gasket (5) is not torn or broken, otherwise
replace it.
■ Install the cover and the main filter holder in the reverse
order of removal.
■ Dispose of the old filters according to the laws in force.
[ NOTE ]
The cartridges must be fully tightened by hand; check that
cartridge gasket is tightened against the upper support. In
any case, do not apply a tightening torque higher than 12
Nm.
If necessary contact the manufacturer's Service Centre.

Cartridge replacement (InfiniClean Models)

Figure 18
1. Connector
2. Vacuum hose
3. Blower hose
4. Blower hose
5.
Release levers
6. InfiniClean unit
7. Cartridge filters
WARNING!
Reassemble with care to avoid trapping your hands
between the InfiniClean unit and the container. Use
gloves that provide protection against mechanical risks
(EN 388) with a level of protection CAT. II.
Before proceeding with these operations, turn off the vacuum
cleaner and remove the plug from the power socket.
■ Disassemble the connector (1).
■ Remove the vacuum hose (2).
■ Remove the blower hose (3).
■ Use one of the levers (4) to disassemble the Infiniclean
unit (5) together with the filter protections.
■ Disassemble the old filters (6) from the protections by
turning them counter-clockwise.
■ Assemble the old filters (6) on the protections by turning
them clockwise.
VHW320 - VHW321 - VHW420 - VHW421 - VHW440 - VHW441
■ Install the InfiniClean unit in the container by performing
the procedure in the reverse order.
■ Dispose of the old filters according to the laws in force.
The cartridges must be fully tightened by hand; check that
cartridge gasket is tightened against the upper support. In
any case, do not apply a tightening torque higher than 12
Nm.

Upstream absolute filter replacement

Take care not to raise dust when this operation is carried
out. 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.
Do not use the absolute filter again after having
removed it from the vacuum cleaner.
1. Knob
2.
Arm
3. Knob
4. Container
5. Absolute filter
6.
Ring for bag
7. Bag for filter
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.
Before proceeding with these operations, turn the machine off
and disconnect the plug from the power socket.
■ Loosen the knob (1) and turn the arm (2) counter-
clockwise to remove the container (4) from the machine
and lock it by tightening the knob (1).
■ Loosen the knob (3) to release the absolute filter (5).
■ Let the absolute filter drop on the bottom of the bag (7).
■ Close the bag with the relevant clamps and cut.
■ Insert the new absolute filter (5) inside the new bag (7)
with the flange looking upwards.
■ Fasten the new bag (7) to the container (4) with the new
ring for bag (6).
■ Remove the old ring for bag (6) with the bag (7) from the
container (4) and move it to the filter flange.
■ Overturn the absolute filter (5) inside the bag (7) in order
to move to the bottom part of the bag the end part of the
old bag and the corresponding rubber ring.
■ Lift the absolute filter (5) from the bottom of the bag and
place it inside the container (4) then slightly tighten the
knob (3) so that the absolute filter (5) is supported.
13
[ NOTE ]
WARNING!
WARNING!
Figure 19
WARNING!
GB
C393