Main And Absolute Filter Disassembly And Replacement - Blastrac BDC-22-110V Manual De Instrucciones

Instruction manual BDC-22-110V
■ Compartments that are not dust-tight must be opened
with suitable tools (screwdrivers, wrenches, etc.) and
thoroughly cleaned.
■ A check must be carried out by the manufacturer or
qualified personnel at least once a year. For example:
Check the air filters to find out whether the air-tightness
of the vacuum cleaner has been impaired in any way
and make sure that the electric control panel operates
correctly.
Main and absolute filter disassembly and
replacement
WARNING!
When the vacuum cleaner is used to vacuum hazardous
substances, the filters become contaminated, therefore:
■ Work with care and avoid spilling the vacuumed
dust and/or material;
■ place the disassembled and/or replaced filter in a
sealed plastic bag;
■ close the bag hermetically;
■
dispose of the filter in accordance with the laws
in force.
WARNING!
Filter replacement is a serious matter. The filter must
be replaced with one of identical characteristics, filter-
ing surface and category.
Otherwise the vacuum cleaner will not operate cor-
rectly.
Before proceeding with these operations, turn the
vacuum cleaner off and disconnect the plug from the
power socket.
How to replace the primary filter
Figure 8
Before proceeding with these operations, turn off the vacuum
cleaner and remove the plug from the power socket.
■ Turn off the vacuum cleaner by placing the two switches
in the "OFF" position.
■ Shake the primary filter by turning the lever (5) clockwise/
counterclockwise for at least 5 complete cycles.
■ Release the closing band (7).
■ Remove the head (8) and the cage. but do not lift the star
filter (9).
■ Remove and dispose of the filter according to the laws in
force.
■ Reset the vacuum cleaner by fastening the new filter on
the ring (10) with the metal clamp
■ Install the head and the cage in the primary filter by taking
care that there is one spoke of the cage every two pockets
of the star filter.
■ Check the correct position of the shaker handle (12).
■ Fasten the closing band.
If necessary contact the manufacturer's Service Center.
How to safely replace the absolute filter
Before proceeding with these operations, turn the machine off
and disconnect the plug from the power socket.
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(11).
WARNING!
Take care not to raise dust when this operation
is carried out. Wear an N100 (P3) mask and other
protective clothing plus protective gloves (PPE/DPI)
suited to the hazardous nature of the dust collected;
refer to the laws in force.
WARNING!
Reassemble with care to avoid trapping your hands
between the vacuum unit and the container. Use
gloves that provide ANSI/ISEA Level "2" protection.
Figure 9
Disconnect the accessory hose from the inlet (1).
Insert the plug (2) in the inlet.
Remove the cover (3) from the filter shaker lever and
unscrew the nut (4).
Remove the filter shaker lever (5) from the cage stem.
DO NOT APPLY FORCE ON THE HEAD COVER
Unlock the safety bolt (6).
Release the closing band (7).
Remove the head (8) from the cage stem (9), but do not
lift the star filter (10).
Tilt the head (8) and lay it on a suitable surface, in order
to not ruin the plastic.
Unscrew ring (11).
Remove the disc (12), the iron-rubber washer (13) and the
absolute filter (14).
Place absolute filter (14) in a plastic bag, close the bag
hermetically and dispose of the filter in accordance with
the laws in force.
Insert a new absolute filter (14) with the same filtering
characteristics as the removed one.
Install the iron-rubber washer (13) and the disc (12), then
tighten the ring nut (11).
Reinstall the head (8) by inserting it on the cage stem (9).
Reinstall the filter shaker lever (5) by inserting it into the
cage stem (9) and turning it as shown in the figure (26).
Lock the lever with the nut (4), then reinstall the cover (3).
Fasten the closing band (7).
Tighten the safety bolt (6) again.
WARNING!
Take care not to raise dust when this operation
is carried out. Wear an N100 (P3) mask and other
protective clothing plus protective gloves (PPE/DPI)
suited to the hazardous nature of the dust collected;
refer to the laws in force.
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