Operation Manual / TPR56-F + TPR61-F
4 Operation / 4.2 Servicing work
© Copyright 2018 . All rights reserved. HZTL2490_EN Revision D May 2018
4.2.2 Entries in engine logbook
By monitoring the engine, conclusions can be drawn about the tur-
bocharger performance.
The following operating data and measured values must be entered reg-
ularly in the engine manufacturer's engine logbook:
¡ Engine performance and speed
¡ Air intake temperature
¡ Exhaust gas temperature in front of and behind the turbine
¡ Pressure of charge air
¡ Pressure drop in charge air cooler
¡ Lubricating oil pressure and lubricating oil temperature
If provided
¡ Air temperature behind compressor and charge air cooler
¡ Turbocharger speed
¡ Pressure loss in air filter
4.2.3 Servicing work according to the engine
manufacturer's instructions
Oil filter
u Clean or replace oil filter in supply line to turbocharger when engine is
not running.
4.2.4 Service work every 24000 … 36000 hours
The replacement of bearing parts and the inspection and assessment of
the rotor must be carried out by an ABB Turbocharging Service Station.
u Disassemble turbocharger.
u Clearance measurement.
u Clean the turbine and compressor wheels and inspect for damage.
u Clean turbine casing as well as compressor casing and check for any
cracks and erosion or corrosion.
u Clean bearing casing and blow air through oil ports.
u Clean nozzle ring and check for cracks and erosion.
u Dismantle, inspect and balance the rotor.
u Assess condition of plain bearings and, if necessary, replace them
with original parts from ABB.
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