38 English 5.906-508.0 Rev. 00 (11/10)NoteThe pressure control valve is set by the manufacturerand cannot be adjusted.The pressure during high pressure operation is ap-prox. 41 bar, during low pressure operation, it is ap-prox. 14 bar.To decrease the pressure, the pressure control valvecan be turned in clockwise direction; the decrease al-ways affects both pressures.The pressure control valve may only be tightened bymax. three revolutions.Preliminary tasks:Î Remove the wheel support.1 High-pressure pump2 Return connection for fresh water3 Pressure relief valveÎ Unscrew the fresh water return hose.Î Remove the high pressure hose.Î Remove the high pressure pump.1 Pressure relief valve2 High-pressure pump3 High pressure hoseÎ Unscrew the pressure control valve from the highpressure pump.Installation in reverse orderNoteAfter the assembly, check all hoses for leaks.5.8 Remove the pressure control valve