Nilfisk VHW320 Manual De Instrucciones página 35

Upstream absolute filter replacement
Figure 15
■ 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.
■ Roll up the bag (7) in order to remove the air inside; it must
be as flat as possible under the absolute filter flange (5).
■ Fasten the absolute filter (5) by tightening the knob (3).
■ Loosen the knob (1), turn the arm (2) clockwise in order to
insert the container (4) in the machine, then lock the arm
(2) with the knob (1).
Downstream absolute filter replacement
Figure 16
■ Unscrew the knob (1), and remove the cover (2).
■ Remove the absolute filter (3) 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 (3) with the same filtering
characteristics as the removed one.
■ Reinstall the cover (2) by fastening it with the knob (1).
Installation, cleaning and replacement of
the separator (optional)
Figure 17
[ NOTE ]
Instructions describing how to fit the optional kits and the
relative operation and maintenance manuals are supplied
together with the optional kits.
[ NOTE ]
If there is only a dust deposit on the separator (4) allow the
dust to drop through the central hole.
The separator (4) should first be disassembled in order to be
perfectly cleaned:
■ Release the closing hooks (1) of the cover (2) and remove
the cover.
■ Remove the filter.
■ Unscrew the two screws (3) and remove it from the
container.
■ Replace the part if it is excessively worn.
■ Reinstall the separator (4).
■ Lock it and fix it by means of the two screws (3).
■ Fit the filter back in place, close the cover (2) and lock it by
means of the two the closing hooks (1).
Tightness inspection
Hoses check
Make sure that connecting hoses (1) are in a good condition
and correctly fixed.
If the hoses are damaged, broken or badly connected to the
unions, they must be replaced.
When sticky materials are treated, check for possible clogging
along the hose, in the inlet and on the baffle plate inside the
filtering chamber.
To clean, scrape the inlet (2) from the outside to remove
deposits.
Filtering chamber gasket check for machines
equipped with dust container
If the gasket (2) between the container (3) and the filtering
chamber (1) is torn, broken, etc. replace the gasket (2).
Disposal
The crossed-out wheeled bin symbol on the
equipment indicates that used electrical and
electronic equipment must be collected and
disposed of separately from household waste. The
correct disposal of the equipment will help prevent
potential negative
environment and human health.
Electrical and electronic household equipment must be
disposed of at the separate collection points in the residence
area. Please note that commercial electrical and electronic
equipment should be disposed of separately from the municipal
waste stream. We will be pleased to inform you about suitable
disposal options.
Wiring diagrams
In the case of machines equipped with an electrical control
panel, refer to the paper wiring diagram supplied with the
machine documentation.
15
VHW32x - VHW42x - VHW44x
Figure 18
Figure 19
consequences for
Figure 20
[ NOTE ]
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