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3. Cleaning the filter element:
■ Use dry compressed air (≤ 72.5 psi!) at an angle to blow dust from the element from inside
to outside until no further dust develops.
■ The blast pipe must be long enough to reach the bottom of the element.
■ The tip of the blast pipe must not touch the element.
■ Clean sealing faces.
4. Inspect the element carefully for any damage.
Damaged filter element: Replace filter element.
5. Insert the cleaned or new filter element into the filter housing. Make sure it is properly in place
and sealed by its gaskets.
6. Replace the cap and secure with the clip.
Resetting the maintenance indicator
➤ Repeatedly press the reset knob on the maintenance indicator.
The yellow piston within the indicator is reset and the maintenance indicator is ready for use
again.
➤ Close the doors.
Dispose of old parts and contaminated materials according to environmental regulations.
10.4.3 Fuel system maintenance
Make sure no dirt enters the fuel system during maintenance. Clean components and their sur‐
roundings before dismounting.
Material Spare parts
Oil receptacle
Cleaning cloths
Precondition The machine is switched off.
The machine is standing level.
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.
The «battery isolating switch» is turned off.
Danger of fire from spontaneous ignition of fuel!
Serious injury or death could result from the ignition and combustion of fuel.
➤ Allow no open flames or sparks at the place of use.
➤ Ensure that the maximum ambient temperature is not exceeded at the place of use.
➤ Stop the engine.
➤ Wipe up escaped fuel.
➤ Keep fuel away from hot machine parts.
10 Maintenance
10.4 Engine maintenance
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
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