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US
10/12
HEPA filter replacement
WARNING!
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.
WARNING!
Do not use the absolute filter again after having
removed it from the vacuum cleaner.
Figure 11
1.
Vacuum cap
2.
Locking lever
3.
Safety bolt
4.
Absolute filter lock ring
5.
Absolute filter disc
6.
Absolute filter
Before proceeding with these operations, turn the vacuum
cleaner off and disconnect the plug from the power socket.
■
Unlock the safety bolt (3
).
■
Use the lever (
2
) to release the cap (
1
) then pull it up
and out of the vacuum cleaner.
■
Unscrew ring (
4
).
■
Pull out disc (
5) and absolute filter (6
).
■
Place absolute filter (6
) in a plastic bag, close the bag
hermetically and dispose of the filter in accordance with
the laws in force.
■
Insert a new filter (6) with the same filtering
characteristics as the removed one.
■
Lock the absolute filter with disc (5
) and tighten ring
(
4
).
■
Insert the cap (
1
) again.
■
Fix the cap in place with the lever (
2) and lock the
safety bolt (
3
) again.
Motor cooling fan inspection and
cleaning
Periodically clean the motor cooling fan to prevent the motor
from overheating, especially if the vacuum cleaner is used in
a dusty place.
Tightness inspection
Figure 12
1.
Suction connecting hose
2.
Hose
■
Hoses check
Make sure that the suction connecting hose (1
) is in a
good condition and correctly fixed.
If the hose is damaged, broken or badly connected to
the unions, it must be replaced.
When sticky materials are treated, check for possible
clogging along the hose (
2
), in the inlet and on the
baffle plate inside the filtering chamber.
Scrape the inlet from the outside and remove the
deposited waste as indicated in the figure.
Figure 13
1.
Seal
2.
Screws
3.
Filtering chamber
■
Filtering chamber tightness check
If the gasket (1) between the container and the filtering
chamber (
3
) fails to guarantee tightness:
▪
Loosen the four screws (
2) that lock the filtering
chamber (
3
) against the vacuum cleaner structure.
▪
Allow the filtering chamber (3
) to lower down and
tighten the screws (
2
) once it has reached the
tightness position.
The gasket (1
) must be replaced if it is torn, cut, etc.
Wiring diagrams
Figure 15
Item
Part
Q1
Main switch
Q2
Circuit breaker
Q3
Circuit breaker
KM1
Contactor
TS2
Cyclic timer
TR1
Transformer
Summary of Contents for 3140 DBP
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