Operation Manual / 4 Product description / A150-M.. - A155-M..
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7.4 Malfunctions when stopping
Runout noises
Turbocharger Turbocharger contaminated Clean (see chapter Periodic maintenance work [➙ 41])
Bearing damaged Check clearances (see chapter Axial clearance A and
radial clearance B [➙ 84]). If clearances are outside the
tolerance or if in doubt, contact an ABB Turbocharging
Service Station.
Rotor rubbing Check clearances (see chapter Radial clearances N
and R [➙ 91]). If clearances are outside the tolerance
or if in doubt, contact an ABB Turbocharging Service
Station.
Foreign object in the turbo-
charger
Dismantle turbocharger (see chapter Dismantling and
fitting [➙ 67]). In case of damage, replace the corre-
sponding parts or contact an ABB Turbocharging Ser-
vice Station.
Table 28: Malfunctions when stopping – Runout noises
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 follow-
ing table must be observed.
Turbocharger contaminated
Clean (see chapter Periodic maintenance work [➙ 41])
Bearing damaged Check clearances (see chapter Axial clearance A and
radial clearance B [➙ 84]). If clearances are outside the
tolerance or if in doubt, contact an ABB Turbocharging
Service Station.
Check clearances (see chapter Radial clearances N
and R [➙ 91]). If clearances are outside the tolerance
or if in doubt, contact an ABB Turbocharging Service
Station.
Foreign object in the turbo-
charger
Dismantle turbocharger (see chapter Dismantling and
fitting [➙ 67]). In case of damage, replace the corre-
sponding parts or contact an ABB Turbocharging Ser-
vice Station.
Table 29: Malfunctions when stopping – Runout time too short