ABB HT600685 Operation Manual page 51

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Operation Manual / A170-M.. - A175-M..
6 Operation and service / 6.2 Service work
6.2.3
Service work every 8000 ... 16000 hours of operation
Checking and assessment of the rotor and the bearing parts must be carried out by an ABB
Turbocharging Service Station.
Dismantle the turbocharger.
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Clearance measurement.
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Clean turbine casing and compressor casing and check for cracks and erosion/corrosion.
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Clean bearing casing and blow through oil holes.
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Clean nozzle ring and check for cracks and erosion.
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Check and assess rotor and bearing parts.
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Balancing rotor.
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6.2.4
Service work every 24000 ... 36000 hours of operation
Service work on the rotor and bearing parts must be carried out by an ABB Turbocharging
Service Station. Damaged and worn out parts must be replaced with original ABB parts.
Disassemble the turbocharger.
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Clearance measurement.
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Clean turbine casing and compressor casing and check for cracks and erosion/corrosion.
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Clean bearing casing and blow through oil holes.
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Clean nozzle ring and check for cracks and erosion.
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Dismantle the rotor, inspect and balance it.
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Replace the plain bearings.
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6.2.5
Service work according to instructions of enginebuilder
Clean or replace the oil filter located in the supply pipe to the turbocharger while the en-
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gine is stopped, in accordance with the instructions of the enginebuilder.
© Copyright 2020 ABB. All rights reserved.
HZTL4033_EN
Rev.G
December 2020

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A175-m seriesA175-m62A170-m series

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