Operation Manual / A170-M.. - A175-M..
6 Operation and service / 6.4 Stopping the engine
© Copyright 2021 ABB. All rights reserved. HZTL4033_EN Rev.H July 2021
6.3.2 Replacement intervals
The specified values are only guide values and not guaranteed, see influencing parameters.
Expected replacement intervals [h]
Component GAS / MDO HFO
Gas inlet casing 50000 …
100000
25000 … 50000
Gas outlet casing 50000 …
100000
35000 …
100000
Nozzle ring 35000 … 50000 25000 … 50000
Turbine diffuser / cover ring 35000 … 50000 25000 … 50000
Other casings 100000 100000
Turbine blades (due to wear) - - ≥12000
Table13: Expected replacement intervals
GAS = Gas
MDO = Marine Diesel Oil
HFO = Heavy Fuel Oil
Recommended replacement intervals[h]
Rotor components See information on rating plate
Bearings See information on rating plate
Table14: Recommended replacement intervals
6.4 Stopping the engine
CAUTION
Stopping the engine
In the turbocharger, the heat from the lubricating oil that continues to circu-
late must be dissipated.
u Let the engine continue to run at idling speed for 10 minutes before stop-
ping it.
u Post-lubrication can also be used instead of engine idling (see Pre-lubric-
ation and post-lubrication →38).
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