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Operation Manual / 4 Product description / A150-M56/66/57/67 -

A155-M..

5 Operation and service / 5.2 Service work

5.2.1 Service work every 25 … 50 hours

CAUTION

Unknown operational changes

Impairment to the degree of a possible operating failure can be the con-

sequence.

u Have any unknown causes clarified by an ABB Turbocharging Service Sta-

tion.

u Perform a visual control for air, exhaust gas, and oil leaks

u Record operating data and enter it in the engine logbook

u In case of deviations, determine the cause.

5.2.2 Service work at 100 hours after commissioning

u Clean or replace the oil filter located in the supply pipe to the turbocharger while the en-

gine is stopped.

5.2.3 Service work according to instructions of enginebuilder

u Clean or replace the oil filter located in the supply pipe to the turbocharger while the en-

gine is stopped.

5.2.4 Service work according to data on the rating plate

(Usually after 8000 … 16000 operating hours)

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.

u Remove turbocharger from engine, dismantle and measure clearance (see Dismantling

and fitting, general →66).

u Clean nozzle ring, turbine casing, compressor casing and diffuser, and check for cracks

and erosion/corrosion.

Page 34 / 171

ABB HT611036 Instruction Manual

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