Diamatic 3140 DBP - Motor Cooling Fan Inspection and Cleaning; Tightness Inspection; Wiring Diagrams

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10/12
HEPA lter 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 lter again after having
removed it from the vacuum cleaner.
Figure 11
1. Vacuum cap
2. Locking lever
3. Safety bolt
4. Absolute lter lock ring
5. Absolute lter disc
6. Absolute lter
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 lter (6).
■ Place absolute lter (6) in a plastic bag, close the bag
hermetically and dispose of the lter in accordance with
the laws in force.
■ Insert a new lter (6) with the same ltering
characteristics as the removed one.
■ Lock the absolute lter 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 xed.
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
bafe plate inside the ltering chamber.
Scrape the inlet from the outside and remove the
deposited waste as indicated in the gure.
Figure 13
1. Seal
2. Screws
3. Filtering chamber
■ Filtering chamber tightness check
If the gasket (1) between the container and the ltering
chamber (3) fails to guarantee tightness:
▪ Loosen the four screws (2) that lock the ltering
chamber (3) against the vacuum cleaner structure.
▪ Allow the ltering 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