Blastrac BDC-22, Руководство по эксплуатации

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Operating manual BDC- 2 2 13/17
GB
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, filtering surface and category.
Otherwise the vacuum cleaner will not
operate correctly.
Before proceeding with these
operations, turn the vacuum
cleaner off and disconnect the
plug from the power socket.
How to safely replace the primary filter
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.
Figure 9
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
buttons on “0” ( 1 and 2 ).
■ Disconnect the accessory hose from the inlet ( 3 ).
■ Insert the plug ( 4 ) in the inlet.
■
Shake the primary filter by turning the lever
( 5 ) clockwise/counterclockwise for at least 5
complete cycles.
■ Replace the Longopac
®
bag as shown in
“Replacement of Longopac
®
bags for hazardous
dust (VHS 120 M-H)”.
■ Unlock the safety bolt ( 6 ).
■ Release the closing band ( 7 ).
■ Remove the head ( 8 ) and the cage. but do not lift
the star filter ( 9 ).
■
Insert the belt ( 10 ) around the filter chamber.
■
Place the bag with the elastic band on the filter
chamber ( 11 ). Tighten the safety belt ( 12 ) on
the bag, above the band.
■ Tuck in the bag along its length. ( 13 )
■ Remove the star filter ( 14 ) by grasping the ring
with the gasket and lift it until it is completely out
of the filter chamber ( 15 ).
■ Turn the bag on itself to obtain a section of coiled
bags to be tightened with two clamps ( 16 ). Place
the two clamps at a distance of 50 mm between
them, then cut in-between ( 16a ) as shown in the
figure.
■ Dispose of the filter ( 17 ) according to the laws in
force.
■ Loosen the belt ( 18 ) and carefully move the bag
elastic band ( 19 ) towards the filter chamber
upper edge.
■ Insert the second bag ( 20 ) over the first bag
( 21 ) and tighten the safety belt ( 22 ) on the new
bag.
■
Through the new bag ( 20 ) carefully remove the
crop of the first bag ( 21 ) from the edge of the
filter chamber.
■ Bring the crop ( 21 ) towards the end of the
second bag ( 20 ).
■
Turn the bag ( 20 ) on itself to obtain a section
of coiled bags and close of the crop ( 21 ) at the
bottom of the bag ( 20 ) by tightening the clamp
( 23 )
■ Loosen and remove the belt, carefully remove
the bag from the edge of the filter chamber and
dispose of it according to the law in force.
■ Reset the vacuum cleaner by fastening the new
filter on the ring ( 24 ) with the metal clamp ( 25 ).
■ 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
( 26 ).
■ Fasten the closing band.
■
Tighten the safety bolt ( 6 ) again.
WARNING!
Reassemble with care to avoid trapping
your hands between the head and the filter
chamber. Use gloves that provide protection
against mechanical risks (EN 388) with a level
of protection CAT. II.
If necessary contact the manufacturer’s Service
Centre.