Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
6 Troubleshooting / 6.1 Malfunctions when starting
© Copyright 2018 . All rights reserved. HZTL2481_EN Revision C May 2018
6 Troubleshooting
6.1 Malfunctions when starting
Sluggish start-up
Possible causes Elimination
Turbochar-
ger
Turbocharger contaminated Clean it
Damaged bearing Contact an ABB Turbocharging
Service Station
Rubbing rotor
Foreign object in turbocharger
Vibrations
Possible causes Elimination
Turbochar-
ger
Rotor unbalance Contact an ABB Turbocharging
Service Station
Damaged turbine or com-
pressor
Damaged bearing
Rubbing of rotating parts
Normal behaviour, no malfunction
Turbochar-
ger
Minor uniform wear around the periphery of rotor components,
caused by slight local rubbing of adjacent components, is per-
missible. The compressor blades and turbine blades are then
shortened somewhat. Certain tolerances must be observed to
avoid a significant loss of efficiency.
¡ If there is any doubt about the extent of rubbing, then an
ABB Turbocharging Service Station must be contacted.
¡ Have a dimension check carried out by an ABB Turbochar-
ging Service Station.
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