Operation Manual / TPS44-F.. - TPS61-F..
4 Operation / 4.3 Expected exchange intervals
© Copyright 2020 . All rights reserved. HZTL2412_EN Rev.G March 2020
4.3 Expected exchange intervals
Rotating components
The recommended replacement intervals for compressor wheels and tur-
bine wheels are defined depending on the operating conditions and
based on the safety concept (SiKo) for rotating parts. These intervals
can be found on the turbocharger rating plate.
Non-rotating components
Depending on the system-specific operating conditions, a distinction is
made between:
¡ the replacement interval for the bearing parts and
¡ the replacement interval for those non-rotating components that are
exposed to hot gases.
Decisive in this respect are various influencing parameters, which can
drastically shorten the replacement intervals of these parts in extreme
cases.
During the specified periodic service work, the individual components
are inspected for wear and, if necessary, replaced.
Expected replacement intervals [h]
GAS / MDO HFO
Turbine casing 25000…50000 25000…50000
Nozzle ring 50000 10000…25000
Gas outlet flange 50000 35000…50000
Partition wall 50000 35000…50000
Rotor components See rating plate information
Bearing parts 12000…32000 12000…24000
Other casings 50000 50000
GAS = Natural gas MDO = Marine diesel oil HFO = Heavy fuel oil
The specified values are a guide only and not guaranteed (see following
section Influencing parameters).
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