C313
12
07/2018
CTS22 / CTS22 L-M-H / CTS40 L-M-H / CTT40 L-M-H / CTT40 IECEx
GB
■ A check must be carried out by the manufacturer or the
personnel of the same at least once a year. For example:
Check the air lters to nd 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 and the proper functioning of the vacuum gauge
whose needle should indicate the red zone by closing the
inlet.
WARNING!
In particular, on Class H vacuum cleaners, the ltering
eciency of the vacuum cleaner must be checked at
least once a year, or more often if required by national
legislation. The test method for checking the ltering
eciency of the vacuum cleaner is indicated in
standard EN 60335-2-69, par. AA.22.201.2.
If the test isn’t passed, it must be repeated after the
class H lter has been changed.
Primary and absolute lter disassembly
and replacement
WARNING!
When the vacuum cleaner is used to vacuum
hazardous substances, the lters become
contaminated, therefore:
■ work with care and avoid spilling the vacuumed
dust and/or material;
■ place the disassembled and/or replaced lter in a
sealed plastic bag;
■ close the bag hermetically;
■ dispose of the lter in accordance with the laws
in force.
WARNING!
Filter replacement is a serious matter. The lter must
be replaced with one of identical characteristics,
ltering surface and category.
Otherwise the vacuum cleaner will not operate
correctly.
Primary lter replacement
Figure 15
1. Suction hose
2. Release lever
3. Cover
WARNING!
Check the vacuum cleaner class (L, M, H).
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.
Before proceeding with these operations, turn o the vacuum
cleaner and remove the plug from the power socket.
■ Remove the clamp (4).
■ Remove the vacuum hose (1).
■ Use the lever (2) to remove the cover (3) together with
the primary lter.
■ Remove the old lter from the cage.
■ Fit the new lter and secure it in the cage with special
clamps.
■ Install the cover and the primary lter in the reverse order
of removal.
■ Dispose of the old lter according to the laws in force.
If necessary contact the manufacturer’s Service Centre.
HEPA lter replacement
Version for dust harmful for the health: Class H
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 lter again after having
removed it from the vacuum cleaner.
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