Nilfisk-Advance Core 125 Repair Manual page 23

3.5 Gun is activated (Core 130)
Gun is open - Control piston is closed. Micro switch is deactivated. Motor
starts.
Non return valve
Outlet 3 BAR
3.6 Machine run (Core 130)
Machine runs (normal working pressure). Gun is open.
Non return valve
Outlet 77-93BAR
Operation.
Pump
3 BAR
Inlet
Pump
77-95 BAR
3 BAR
Inlet 3 BAR
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G