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Operation Manual / 4 Product description / TPS44-H.. - TPS52-H..
8 Eliminating malfunctions / 8.1 Malfunctions when starting
8
Eliminating malfunctions
8.1
Malfunctions when starting
Delayed start-up
Possible causes
Turbocharger Turbocharger contaminated
Bearing damaged
Rotor rubbing
Foreign object in the turbocharger
Table 13: Malfunctions when starting – Delayed start-up
Vibrations
Possible causes
Turbocharger Rotor unbalance
Turbine or compressor damaged
Bearing damaged
Engine
Vibrations from engine
Table 14: Malfunctions when starting – Vibrations
Rotating parts rubbing
Normal behaviour, not a malfunction
Turbocharger A minimal and uniform wear on the circumference of the rotor components is per-
mitted. This wear can be caused by slight local rubbing against adjacent compon-
ents. 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 15: Malfunctions when starting - Rotating parts rubbing
© Copyright 2017 ABB. All rights reserved.
Remedy
Clean (see chapter
work
→30)
Contact ABB Turbocharging Service Sta-
tion
Remedy
Contact ABB Turbocharging Service Sta-
tion
Contact enginebuilder
HZTL4037_EN
Periodic maintenance
Revision E
July 2017
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