Fig. 23: Oil Orifice - ABB HT610539 Operation Manual

Operation Manual / A130-H.. - A140-H..
4 Commissioning / 4.1 Oil supply
4.1.5 Oil orifice in the bearing casing
Fig. 23: Oil orifice
01 Bearing casing
02 Oil orifice
03 Circlip
With an oil inlet pressure of more than 3 bar of overpressure (with engine under load) up-
stream of the turbocharger, an oil orifice must be installed to reduce the oil pressure.
© Copyright 2021 ABB. All rights reserved. HZTL4030_EN Rev.G July 2021