ABB HT562611 Operation Manual page 51

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Operation
Expected exchange intervals
Influencing parameters
The specified values are only guide values and not guaranteed. The
actual values can deviate considerably from the guide values due, for
example, to the following influences:
 Fuel quality and preparation
 Load profile (thermal load cycles, also starts / stops, emergency shut-
downs)
 Gas inlet temperature
 Frequency and execution of turbine and compressor cleaning
 Turbocharger specification
 System-specific operating conditions (operating point, combustion
quality, composition of exhaust gas)
For bearing parts
 Lubricating oil quality (oil filtration, condition of lubricating oil, oil
monitoring)
 Load profile (rpm / speed, pressure conditions, temperature)
 State of rotor unbalance (degree of contamination)
Operation Manual / TPS48-D/E.. - TPS61-D/E..
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4.3 Page 49