Eliminating Malfunctions; Malfunctions When Starting; Table 14 Malfunctions When Starting; Table 15 Malfunctions When Starting - Rotating Parts Rubbing - ABB TPS48-H33 Operation Manual

Operation Manual / 4 Product description / TPS44-H.. - TPS52-H..
8

Eliminating malfunctions

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
Engine Vibrations from engine
Turbocharger Rotor unbalance
Turbine or compressor damaged
Bearing damaged
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 permit-
ted. This wear can be caused by slight local rubbing against adjacent components.
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 Turbocharging
Service Station.
 Have a dimension check carried out by an ABB Turbocharging Service Station.
Table 15: Malfunctions when starting - Rotating parts rubbing
© Copyright 2016 ABB. All rights reserved.
Remedy
Clean (see chapter Periodic maintenance
work [➙ 39])
Contact ABB Turbocharging Service Station
Remedy
Contact enginebuilder
Contact ABB Turbocharging Service Station
HZTL4037_EN
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Revision A August 2016