Operation Manual / 4 Product description / A130-H.. - A140-H
7 Eliminating malfunctions / 7.1 Malfunctions when starting
© Copyright 2017 ABB. All rights reserved. HZTL4030_EN Revision D May 2017
7 Eliminating malfunctions
7.1 Malfunctions when starting
Delayed start-up
Possible causes Remedy
Turbochar-
ger
Turbocharger contaminated Clean (see chapter Periodic mainten-
ance work →39)
Bearing damaged Contact ABB Turbocharging Service
Station
Rotor rubbing
Foreign object in the turbocharger
Table12: 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
Table13: Malfunctions when starting – Vibrations
Rubbing of rotating parts
Normal behaviour, not a malfunction
Turbochar-
ger
A minimal and 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 pre-
vent 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.
Table14: Malfunctions when starting – Rubbing of rotating parts
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