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Operation Manual / TPL67-C.. - TPL71-C..
4 Operation / 4.3 Replacement intervals for turbocharger components
4.3 Replacement intervals for turbocharger
Rotating components
Non-rotating components
Influencing parameters
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components
The recommended replacement intervals for the compressor and turbine
wheels due to stress caused by centrifugal forces and load cycles are cal-
culated under consideration of the operating conditions while applying
the safety concept for rotating components. They can be found on the
turbocharger rating plate. Incalculable influencing parameters can
shorten the recommended replacement intervals for the rotor, see Influ-
encing parameters .
The expected replacement intervals for non-rotating components and
bearing parts are extremely dependent upon system-specific operating
conditions, see Influencing parameters .
When the specified, periodic inspections are carried out, the individual
components are inspected for wear and tear and replaced if necessary.
In this way, trouble-free operation is ensured.
The following parameters influence the replacement intervals for tur-
bocharger components:
Parameters influencing bearing parts
¡
Poor quality of the lubricating oil (lubrication oil filter system, condi-
tion of lubricating oil)
¡
Unusual loads (vibration, start/stop frequency)
¡
Non-permissible state of rotor unbalance
Parameters influencing non-rotating components exposed to
exhaust gas
¡
Fuel quality (gas, MDO, HFO)
¡
Load profile (thermal load changes, number of starts/stops)
¡
Temperature level of exhaust gas
¡
Turbine cleaning frequency
¡
Procedure for turbine cleaning
HZTL2488_EN
Rev.G
March 2020
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