ABB HT843525 Operation Manual page 54

Operation Manual / 4 Product description / A100-L
5 Operation and service / 5.2 Service work
5.2.3 Service work on turbocharger every 18000 hours
It is recommended to have this service work and these checks carried out by an ABB Tur-
bocharging Service Station. Damaged and worn out parts must be replaced with original
ABB parts.
Remove and clean the filter silencer and check for damage.
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Dismantle the wall insert.
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Check axial clearance A.
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Clean compressor wheel, diffuser, wall insert and compressor casing and check for dam-
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age.
Check the nozzle ring, turbine diffuser and turbine blades for any possible contamination,
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damage or wear using a borescope.
This checking can also be carried out after disassembling the gas inlet casing.
Fit the wall insert.
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Install the filter silencer.
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5.2.4 Service work on turbocharger every 36000 hours
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.
Remove the filter silencer.
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Clean filter silencer and check for damage.
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Dismantle the wall insert.
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Check axial clearance A.
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Clean wall insert, diffuser and compressor casing and check for damage.
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Remove the gas inlet casing and dismantle the nozzle ring and cover ring.
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Clean the nozzle ring and cover ring and check for damage.
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Dismantle, inspect and balance the rotor.
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Replace the plain bearing
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5.2.5 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.
© Copyright 2017 ABB. All rights reserved. HZTL4034_EN Revision K June 2017