Operation Manual / A130-M.. - A145-M..
8 Eliminating malfunctions / 8.4 Malfunctions when stopping
© Copyright 2021 ABB. All rights reserved.
HZTL4031_EN
Rev.N
March 2021
8.4
Malfunctions when stopping
Runout noises
Possible causes
Remedy
Turbochar-
ger
Turbocharger contaminated
Clean (see chapter
)
Bearing damaged
). If clearances are outside the
tolerance or if in doubt, contact an ABB Turbochar-
ging Service Station.
Rotor rubbing
Check clearances (see chapter Radial clearances N
and R). If clearances are outside the tolerance or if
in doubt, contact an ABB Turbocharging Service
Station.
Foreign object in the tur-
bocharger
Dismantle turbocharger (see chapter Fitting and
dismantling). In case of damage, replace the cor-
responding parts or contact an ABB Turbochar-
ging Service Station.
Table 30: Malfunctions when stopping – Runout noises
Runout time too short
The runout time must be noted down as a reference. Because the runout time depends on
the oil viscosity, the runout time must always be measured at the same oil temperature.
If the runout time is significantly shorter in comparison to a previous measurement, the fol-
lowing table must be observed.
Possible causes
Remedy
Turbochar-
ger
Turbocharger contaminated
Clean (see chapter
)
Bearing damaged
). If clearances are outside the
tolerance or if in doubt, contact an ABB Turbochar-
ging Service Station.
Rotor rubbing
Check clearances (see chapter Radial clearances N
and R). If clearances are outside the tolerance or if
in doubt, contact an ABB Turbocharging Service
Station.
Foreign object in the tur-
bocharger
Dismantle turbocharger (see chapter Fitting and
dismantling). In case of damage, replace the cor-
responding parts or contact an ABB Turbochar-
ging Service Station.
Table 31: Malfunctions when stopping – Runout time too short
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