ABB TPS48-H33 Operation Manual page 63

Operation Manual / 4 Product description / TPS44-H.. - TPS52-H..
5 Operation and service
5.2.4 Service work according to data on the rating plate
(Usually after 8000 ... 12000 operating hours)
Incorrect handling of a cartridge group
Incorrect handling of a cartridge group can damage the turbocharger and
cause injuries to persons.
WARNING
Have disassembly and assembly of the cartridge group carried out by an

ABB Turbocharging Service Station only.
Specialist knowledge of an ABB Turbocharging Service Station
Assembly and disassembly of the cartridge group and assessment of the ro-
tor and bearing parts requires the specialist knowledge of an ABB Turbo-
NOTICE
charging Service Station. The rotor parts turn very fast and are very sensitive
to unbalance.
The rotor and bearing parts must be checked and assessed by an ABB Turbocharging Service
Station. The following work can be carried out as preparation.
Remove turbocharger from engine (see chapter Removing and Installing [➙ 11]).

Dismantle the turbocharger and measure the clearances (see chapter Dismantling and

fitting [➙ 59]).
Mechanically clean the nozzle ring, the turbine casing and compressor casing (see chapter

Periodic maintenance work [➙ 39]).
Check the nozzle ring, turbine casing and compressor casing for cracks and ero-

sion/corrosion.
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Revision A August 2016