Nilfisk-ALTO 878B - Manuel (Page 7)

7
Filter
The machines are fitted with three filters:
1.Pre-filter, traps coarse waste particles, the
pre-filter should be changed regularly.
2. Micro filter, can be cleaned and re-used.
3. HEPA-filter, captures 99.97% of all dust
particles 0.3 microns in size or larger.
The pre-filter and micro filter are designed for
use in both wet pick-up and dry pick-up
applications.
The filters are fitted as in figure.
MOTOR TOP
FLOAT BASKET CPL.
PRE-FILTER
MICRO-FILTER
SEALING RING
(already mounted on
new HEPA-Filter.)
HEPA-FILTER
SCREW
SEALING RING (already
mounted on new HEPA-filter.)
If the machine is used
without HEPA-filter this
sealing must be fitted on the
under side of the motor top.
SCREW
GASKET
CAP