ABB HT569005 Operation Manual page 48

4.2.2
Oil filter
4.2.3
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Operation
Servicing work
Servicing work according to the engine manufacturer's instructions
Clean or replace oil filter in supply line to turbocharger when engine is

not running.
Service work in accordance with instructions on rating plate
(In general, after 8000 - 12000 hours of operation)
Rotor and bearing parts must be inspected and assessed by an ABB Turbo-
charging Service Station. The following work can be carried in preparation.
Remove cartridge group as described in chapter Disassembly and as-

sembly.
Measure clearances.

Clean turbine and compressor casings and check them for cracks and

erosion / corrosion.
Clean bearing casing and blow air through oil ports / holes.

Clean nozzle ring and check for cracks and erosion.

Operation Manual / TPS44-F.. - TPS61-F..
4
4.2 Page 46