Fig. 29 Control line shut-off valve
1
Compressed air outlet distributor
2
Shut-off ball valve
I – open
0 – closed
1. Open the access door.
2. Check that the shut-off valve in the control air line is open. If needed, open it.
The machine is ready for operation.
3. Close the door.
8.2.5 Setting the compressed air discharge pressure
The compressed air discharge pressure can be modified only when this option is activated in the
machine controller.
(See also the separate user manual for SIGMA CONTROL SMART.)
The compressed air discharge pressure (nominal pressure) can be set when the engine is in stand‐
still (with the controller activated) or during operation (with the machine running).
■ The pressure can only be set at lower than the nominal working pressure of the machine.
■ You can adjust the settings in increments of 0,1 bar or 1 psi.
■ The adjustment is displayed.
Danger from incorrectly set pressure!
Danger from malfunctioning or not functioning compressed air tools when the machine's dis‐
charge pressure is set incorrectly.
➤ Use connected compressed air tools only with the pressure appropriate for its purpose
(tool working pressure).
➤ Comply with the information and notes provided in the compressed air tool's operating
instruction.
The Settings menu for the compressed air discharge pressure can be reached in two ways:
■ Quick access from the main menu
■ Access via menu structure
8
Operation
8.2
Starting and stopping
70
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M58utility SIGMA CONTROL SMART
No.: 901779 08 USE
