Operation Manual / A150-M56/66/57/67 - A155-M..
8 Eliminating malfunctions / 8.1 Malfunctions when starting
© Copyright 2021 ABB. All rights reserved. HZTL4032_EN Rev.Q January 2021
8 Eliminating malfunctions
8.1 Malfunctions when starting
Delayed start-up
Possible causes Remedy
Turbochar-
ger
Turbocharger contaminated Clean (see chapter Periodic mainten-
ance work →58)
Bearing damaged Contact ABB Turbocharging Service
Station
Rotor rubbing
Foreign object in the turbocharger
Table19: Malfunctions when starting – Delayed start-up
Vibrations
Possible causes Remedy
Turbochar-
ger
Rotor unbalance Contact ABB Turbocharging Service
Station
Turbine or compressor damaged
Bearing damaged
Engine Vibrations from engine Contact enginebuilder
Table20: Malfunctions when starting – Vibrations
Rubbing of rotating parts
Normal behaviour, not a malfunction
Turbochar-
ger
A slight amount of uniform wear at the circumference of the rotor components
caused by slight local rubbing against adjacent components is permitted. This
causes the compressor or turbine blades to be somewhat shortened. To prevent
significant loss of efficiency, specific tolerances must be fulfilled.
¡ If there is any doubt about the extent of the rubbing, contact an ABB Tur-
bocharging Service Station.
¡ Have a dimension check carried out by an ABB Turbocharging Service Sta-
tion.
Table21: Malfunctions when starting – Rubbing of rotating parts
Page 78 / 194
To Next Page
Loading...
Need help?
General
