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Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
6 Troubleshooting / 6.1 Malfunctions when starting
6 Troubleshooting
6.1 Malfunctions when starting
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Sluggish start-up
Possible causes
Turbochar-
Turbocharger contaminated
ger
Damaged bearing
Rubbing rotor
Foreign object in turbocharger
Vibrations
Possible causes
Turbochar-
Rotor unbalance
ger
Damaged turbine or com-
pressor
Damaged bearing
Rubbing of rotating parts
Normal behaviour, no malfunction
Turbochar-
Minor uniform wear around the periphery of rotor components,
ger
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.
HZTL2498_EN
Elimination
Clean it
Contact an ABB Turbocharging
Service Station
Elimination
Contact an ABB Turbocharging
Service Station
Revision C
April 2018
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