Blastrac BDC-133H, Instruction Manual, Page: 12 / 30

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11/18
Operating manual BDC-133M / BDC-133H
GB
New primary filter installation
Figure 12
1. Manual filter shaker knob
2. Vacuuming unit
3. Locking lever
4. Filter cage
5. Filter shaker housing
WARNING!
Reassemble with care to avoid trapping your hands
between the vacuum unit and the container. Use
gloves that provide protection against mechanical
risks (EN 388) with a level of protection CAT. II.
■ After having replaced and fitted the filter on the ring,
insert the filter shaker cage ( 4 ) in the shaped seat ( 5 )
of the filter shaker.
■ Position the manual filter shaker knob ( 1 ) in the middle.
■ Reassemble vacuum unit ( 2 ) complete with cage and
filter, in the vacuum container.
■ Check the filter shaker works properly and if necessary
adjust the position of the filter cage by turning the
vacuum unit.
■ Use locking lever ( 3 ) to lock the vacuum unit in place.
If necessary contact the manufacturer's Service Centre.
Absolute 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 Class H filter again after having
removed it from the vacuum cleaner.
Figure 13
1. Vacuuming unit
2. Locking lever
3. Safety bolt
4. Absolute filter lock ring
5. Absolute filter disc
6. Absolute filter
WARNING!
Reassemble with care to avoid trapping your hands
between the vacuum unit and the container. Use
gloves that provide protection against mechanical
risks (EN 388) with a level of protection CAT. II.
Before proceeding with these operations, turn the machine
off and disconnect the plug from the power socket.
■ Unlock the safety bolt ( 3 ).
■ Use lever ( 2 ) to release vacuum unit ( 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 ).
■ Replace vacuum unit ( 1 ).
■
Fix the vacuum unit in place with lever ( 2 ) and lock
safety bolt ( 3 ) again.
Tightness inspection
Hoses check
Make sure the connecting hoses (Fig. 14) are in a good
condition and correctly fixed.
If the hoses are damaged, broken or badly connected to the
unions, they must be replaced.
When sticky materials are treated, check for possible
clogging along the hose, in the inlet and on the baffle plate
inside the filtering chamber.
Scrape inlet ( 2 - Fig. 17) from the outside and remove the
deposited waste as indicated in figure 17.