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Operation Manual / 4 Product description / A130-H.. - A140-H

7 Eliminating malfunctions / 7.4 Malfunctions when stopping

7.4 Malfunctions when stopping

Runout noises

Possible causes Remedy

Turbochar-

ger

Turbocharger contaminated Clean (see chapter Periodic maintenance work

→39)

Bearing damaged Check clearances (see chapter Axial clearance A

and radial clearance B →71). 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 →78). If clearances are outside the tol-

erance or if in doubt, contact an ABB Turbochar-

ging Service Station.

Foreign object in the tur-

bocharger

Dismantle turbocharger (see chapter Dismant-

ling and fitting →56). In case of damage, re-

place the corresponding parts or contact an ABB

Turbocharging Service Station.

Table24: 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.