ABB A150-M Series - Fig. 24: Oil Orifice

Operation Manual / A150-M56/66/57/67 - A155-M..
4 Commissioning / 4.1 Oil supply
© Copyright 2021 ABB. All rights reserved. HZTL4032_EN Rev.Q January 2021
4.1.5 Oil orifice in the bearing casing
Fig.24: 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, the bearing casings are equipped with an orifice at the oil inlet
as standard.
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