C72
10
05/2008
127 / 137
GB
RUS
Assembly (fi g. 12)
Mount the fi lter catch and re ten tion ring of the old fi lter -
on to the new one.
Insert cage “H” and fi x it to the fi lter by means of clamps -
“I” at the bottom of the fi lter itself.
Fit the fi lter into fi ltering cham ber. -
Mount the head “D” and lock it in place with the closing -
clips “C”.
Mount the lever “B” in po si tion with the nut and relative -
washer.
Fit on the plug “A” by ex er cis ing a slight pressure. -
Replacing the Hepa fi lter -
Version for dust that is haz ard ous for the health: Class H. -
ATTENTION DANGER !
Take care not to raise the dust when this operation is
car ried out. Wear a P3 mask and other pro tec tive clothing
plus protective gloves (DPI) suit ed to the haz ard ous
na ture of the dust col lect ed. Refer to laws in force.
Replacing the upstream Hepa fi lter (fi g. 13) -
Remove the plug “A”, un screw the nut un der neath and -
remove the lever “B”.
Release the hooks “C” and lift the head “D”. -
Unsrew the knob “G” and take the nut “F” under the -
fi lter “E”;
Cover the fi lter “E” with a plas tic bag and remove eve- -
ry thing;
Seal the bag, fi t the new fi lter and hermetically close -
the cov er.
Mount the following parts in the given order:
the absolute fi lter; -
nut and central knob for locking; -
the head, locking it to the fi l ter ing chamber “C”; -
the lever with the rel a tive wash er, nut and plug. -
Checking and clean ing the motor cooling -
fan
Periodically clean the motor(s) cooling fan to prevent the
elec tric motor(s) from over heat ing, par tic u lar ly - if the ap-
pli ance is used in a dusty place.
Seal inspection -
Checking the con di tion of the hoses -
Make sure that connecting hose hoses “A” is in a good
condition and correctly fi xed.
If the hose is damaged, bro ken or badly connected to the
unions, this must be replaced.
When sticky materials are treated, check for possible
clog ging along the hose, in outlet and on the baffl e in the
fi ltering cham ber.
Scrape outside the outlet and remove the deposited waste
as indicated in fi g. 14.
Checking the lid seal -
If seal “A” under head “D” has be come slack, unscrew screws
“B” that lock fastening latches “C” in place and allow them
to slide down wards until lid “D” clos es per fect ly.
Now tighten locking screws“B”.
Replace seal “A” - fi g. 15 - if an optimum seal cannot be
ob tained.
Checking the tightness of fi lter chamber -
If seal “A” - fi g. 16 - between the container and fi lter chamber
“C” fails to guar an tee tightness:
loosen the four screws “B” that lock fi lter chamber “C” -
against vacuum structure.
Allow fi lter chamber “C” to low er down and relock screws -
“B” once it has reached the retention po si tion.
The seal must be replaced if it is torn, cut, etc.
Replace seal “A” if the degree of tightness is still not opti-
mum.
Cleaning and re plac ing the separator (fi g. -
17)
Note
If there is only a dust deposit on separator “D”, allow the
dust to drop through the central hole.
Separator “D” should fi rst be dis as sem bled in order to be
per fect ly cleaned:
release lock fastening latches “A” and remove the head -
“B”;
remove the fi lter; -
unscrew the two screws “C” and re move separator from -
the con tain er.
Replace the part if excessively worn. -
Assemble separator “D” again. -
Lock it in position by screwing the two screws “C”. -
Refi t the fi lter and close head “B”, locking it in place with -
the two fastening latches “A”.
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