Maintenance, Cleaning And Decontamination; Primary Filter Cleanin Wit Manual System; In Particular, On Class H Machines, The Filtering; Primary Filter Cleanin Wit Electric Filter S Aker - Nilfisk T75 Betriebsanleitung

Maintenance, cleaning and decontamination

CAUTION!
Disconnect the machine from its power source before
cleaning, servicing, replacing parts or converting it to
obtain another version/variant.
Carry out only the maintenance operations
described in this manual.
Use only original spare parts.
Do not modify the machine in any way.
Failure to comply with these instructions could
jeopardize your safety. Moreover, such action would
immediately void the EC declaration of conformity/
incorporation issued with the machine.
CAUTION!
For maintenance procedures not described in this
manual, please contact the manufacturer's technical
support or sales network.
CAUTION!
To guarantee the safety level of the machine, only
original spare parts supplied by the manufacturer
should be used.
CAUTION!
The precautions described below must be taken during
all maintenance operations, including cleaning and
replacing the primary and absolute filters.
CAUTION!
This Class H machine can collect dust hazardous for
the health. The procedures for servicing and emptying
the machine including removing the dust bag, must
only be performed by specialised personnel wearing
protective clothing. Do not use without the complete
filter system in place.
CAUTION!

In particular, on Class H machines, the filtering

efficiency of the machine must be checked at least once
a year, or more often if required by national legislation.
The test method for checking the filtering efficiency of
the machine is indicated in standard EN 60335-2-69,
par. 22.AA.201.2.
If the test isn't passed, it must be repeated after the
class H filter has been changed.
To allow the user to carry out the maintenance operations,
the machine must be disassembled, cleaned and
overhauled as far as is reasonably possible, without
causin a ards or t e maintenance sta
people. The suitable precautions include decontamination
e ore disassem lin t e mac ine, ade uate filtered
ventilation of the exhaust air from the room in which it
is disassembled, cleaning of the maintenance area, and
suitable personal protection.
The external parts of the machine must be decontaminated
by cleaning and vacuuming methods, dedusted or treated
wit sealant e ore ein taken out o a a ardous one.
All parts of the machine must be considered as
contaminated when they are removed from the hazardous
one and appropriate actions must e taken to prevent
dust from dispersing.
en maintenance or repair procedure are carried out,
all the contaminated elements that cannot be properly
cleaned, must be eliminated.
These elements must be disposed of in sealed bags in
accordance with applicable regulations and local laws on
the disposal of such material.
T is procedure must also e ollowed or filter disposal
primary and a solute filters .
Compartments that are not dust-tight must be opened
with suitable tools (screwdrivers, wrenches, etc.) and
thoroughly cleaned.
A c eck must e carried out y t e manu acturer or t e
personnel o t e same at least once a year. For example
eck t e air filters to find out w et er t e air-ti
t e mac ine as een impaired in any way and make sure
that the electric control panel operates correctly.
Primary filter cleaning with manual system
According to the quantity of vacuumed material, if the vacuum
gauge pointer goes from the green zone to the red zone,
s ake t e primary filter
counterclockwise or at least 5 complete cycles.
Stop the machine before using the filter shaker.
Do not shake the filter with the machine functioning, as
this could damage the filter.
ait e ore restartin t e mac ine, to allow t e dust to settle.
eplace t e filter element i t e vacuum au e pointer stays in
t e red one even a ter t e filter as een s aken see Main
and a solute filter disassem ly and replacement .
If the indicator is still in the red area. The vacuum hose or
one o t e accessories may e clo
Clean these parts if this is the case.
Primary filter cleaning with electric filter
shaker
According to the quantity of vacuumed material, if the vacuum
au e pointer oes rom t e reen one to t e red one, s ake
t e primary filter y pressin t e electric filter s aker utton or
10 15 seconds.
or ot er
Stop the machine before using the filter shaker.
Do not shake the filter with the machine functioning, as
this could damage the filter.
11
Figure 6
y turnin t e lever 1 clockwise
CAUTION!
[ NOTE ]
ed, and not t e filter.
CAUTION!
T75
tness o
GB
C360