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5.4 Air filters engine/Compressor
5.4.1
Main parts
1
6
2
1
Snap clips (4x)
2
Dust trap cover
3
Safety cartridge
4
Filter element
5
Filter housing
6
Vacuator valve (dust ejector)
The Atlas Copco air filters are specially designed for
!
the application. The use of non-genuine air filters may
lead to severe damage of engine and/or compressor
elements.
5.4.2
Cleaning the dust trap
To remove dust from the dust trap pinch the vacuator valve (6)
several times.
5.4.3
Replacing the air filter element and the
safety cartridge
The instructions that apply to one air filter should be repeated for
both air filters engine and air filters compressor.
– Release the snap clips (1) and remove the dust trap cover (2). Clean
the inside of the cover.
– Withdraw the filter element (4) and safety cartridge (3) from the
housing (5).
Discard the filter element when damaged.
A dirty safety cartridge is an indication of a malfunctioning filter
element.
Replace the filter element and the safety cartridge at the same time.
New elements should be inspected for tears and
punctures before installation.
Preliminary
3
4
5
!
The safety cartridge cannot be cleaned.
– Reassemble in reverse order of dismantling.
– Inspect and tighten all air intake connections.
– Reset the air filter vacuum indicator by pushing the reset button (8).
8
7
9
7
Air filter contamination indicator
8
Reset button
9
Yellow indicator
5.4.4
Cleaning the filter element
– Withdraw the filter element (see section 5.4.3). Reinstall the dust
trap cover to protect the air intake system while cleaning the
element.
!
Never run the compressor without air filter element.
– Carefully knock the end faces of the filter element on a flat surface
to remove the dry contaminant. Never strike on a hard surface. Then
blow dry air up and down the pleats in the reverse direction of
normal flow; subsequently blow up and down the pleats on both
sides of the element. The air pressure may not exceed 5 bar (73 psi)
and a reasonable distance must be maintained between the hose
nozzle and the pleats.
– If the contaminant is oily, soak the element for 10 minutes in luke-
warm water in which a non-foaming detergent is dissolved. Then,
move the element to and fro in the solution for 5 minutes.
– Rinse with soft water until the drain water is clear. Let the element
dry. Never use compressed air to hasten drying.
– Inspect the element by placing a light inside it. Spots or ruptures of
the paper render the element unfit for further use.
– Reassemble in reverse order of dismantling.
– Reset the air filter service indicator by pushing the reset button (8).
Instruction manual
43
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