Operation Manual / 4 Product description / A100-L
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5.3 Expected replacement intervals
Rotating components
The recommended replacement intervals for compressor and turbine wheels are specified
based on the safety concept for rotating parts (SIKO) and dependent on the operating condi-
tions. These intervals are shown on the rating plate of the turbocharger.
Depending on the system-specific operating conditions, a differentiation must be made be-
tween the intervals to be expected for:
replacing the bearing parts and
replacing the non-rotating components exposed to hot gas.
A decisive role is played by various influencing parameters which, in extreme cases, can dras-
tically shorten the replacement interval of these parts.
During the prescribed periodic service work, the individual parts are examined for wear and
replaced if necessary.
Expected replacement intervals [h]
Gas inlet casing 50000 … 100000
Gas outlet casing 50000 … 100000
Nozzle ring 35000 … 50000
Cover ring 25000 … 50000
Other casings 100000
Table 10: Expected replacement intervals for turbocharger parts
*) HFO = Heavy Fuel Oil
Recommended replacement intervals [h]
Rotor components See rating plate data
Table 11: Recommended replacement intervals for turbocharger parts
The specified values are guideline values and not guaranteed values, see Influencing parame-
ters.
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