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Renew the air filter element after 2 years or after it has been cleaned 5 times.
■ Using the machine without an air filter element is not permitted!
■ Do not use a filter element with damaged folds or gasket.
■ The use of an unsuitable air filter can permit dirt to ingress the pressure system and
cause premature wear and damage to the machine.
Material Compressed air for blowing out
Spare parts (as required)
Cleaning cloths
Precondition The machine is switched off.
The machine is fully vented, the pressure gauge reads 0 psig.
The machine has cooled down.
All compressed air consumers are disconnected and the air outlet valves are open.
Damaged air filter element.
Machine damage due to contaminated intake air.
➤ Do not try to clean the filter element by striking or knocking it.
➤ Do not wash the filter element.
Fig. 63 Compressor air filter maintenance
1
Maintenance indicator
2
Red zone indicator scale
3
Indicating piston of the maintenance indi‐
cator
4
Reset knob maintenance indicator
5
Filter element
6
Retaining clip
7
Filter cap
10 Maintenance
10.5 Compressor Maintenance
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
139