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5.2 Air Filter Engine/Compressor
5.2.1 Main Parts
Fig. 5.2 Air filter
1 Snap clips
2 Dust trap
3 Filter element
4 Safety cartridge
5 Filter housing
6 Vacuator valve
5.2.2 Recommendations
? 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 element.
Never run the compressor without air filter
element.
New elements must also be inspected for tears or
punctures before installation.
Discard the element (3) when damaged.
In heavy duty applications it is recommended to install a
safety cartridge.
A dirty safety cartridge (4) is an indication of a mal-
functioning air filter element. Replace the element and the
safety cartridge in this case.
Replace the safety cartridge together with the filter
element. The safety cartridge cannot be cleaned.
5.2.3 Cleaning The Dust Trap
To remove dust from the dust trap pinch the vacuator valve
(6) several times.
5.2.4 Replacing The Air Filter Element
1. Release the snap clips (1) and remove the dust trap
(2). Clean the trap.
2. Remove the element (3) from the housing (5).
If the element is to be serviced for immediate re-use,
reinstall the dust trap to protect the air intake system
while cleaning the element.
3. Reassemble in reverse order of dismantling.
4. Inspect and tighten all air intake connections.
5. Reset the vacuum indicator by pushing the reset button (8-
Fig. 5.3).
Fig. 5.3 Vacuum indicator
7 Air filter contamination indicator
8 Reset button
9 Red indicator
5.3 Air Receiver
The air receiver is tested according to official standards.
Regularly have inspections carried out in conformity with local
regulations.
5.4 Safety Valve
? All adjustments or repairs are to be done by an
authorized representative of the valve supplier.
Following checks must be carried out:
- a check of the opening of the lifting gear, twice a year. This
can be done by lifting the ring or lever.
- a check of the set pressure once a year according to the local
regulations. This check cannot be done on the machine and
must be carried out on a proper test bench.
5.5 Fuel System (see Fig. 5.4)
1
Fig. 5.4 Fuel Filter
Replacing the filter element:
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