ABB HT576667 - Malfunctions When Starting; Table 14: Malfunctions When Starting - Delayed Start-Up; Table 15: Malfunctions When Starting - Vibrations; Table 16: Malfunctions When Starting - Rubbing of Rotating Parts

Operation Manual / 4 Product description / A100-M axial
7 Troubleshooting / 7.1 Malfunctions when starting
© Copyright 2017 ABB. All rights reserved. HZTL4033_DE Revision B December 2017
7 Troubleshooting
7.1 Malfunctions when starting
Delayed start-up
Possible causes Remedy
Turbocharger Turbocharger contaminated Clean (Periodic maintenance →33)
Bearing damaged Contact ABB Turbocharging Service Sta-
tion
Rotor rubbing
Foreign object in the turbocharger
Table14: Malfunctions when starting – Delayed start-up
Vibrations
Possible causes Remedy
Turbocharger Rotor unbalance Contact ABB Turbocharging Service Sta-
tion
Turbine or compressor damaged
Bearing damaged
Engine Vibrations from engine Contact enginebuilder
Table15: Malfunctions when starting – Vibrations
Rubbing of rotating parts
Normal behaviour, not a malfunction
Turbocharger 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 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16: Malfunctions when starting – Rubbing of rotating parts
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