ABB A135-H66 - Fig. 17: Oil Orifice

Operation Manual / 4 Product description / A130-H.. - A140-H
3 Commissioning / 3.1 Oil supply
© Copyright 2020 ABB. All rights reserved. HZTL4030_EN Rev.F February 2020
3.1.5 Oil orifice in the bearing casing
Fig.17: 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.
Page 21 / 93