Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
4 Operation / 4.2 Servicing work
© Copyright 2018 . All rights reserved. HZTL2481_EN Revision C May 2018
4.2.4 Service work every 8000 … 12000 hours
The inspection and assessment of the rotor and the bearing parts must
be carried out by an official ABB Turbocharging service station.
u Disassemble turbocharger.
u Measure clearances.
u Clean the turbine and compressor wheels and inspect for damage.
u Clean the turbine and compressor casings and inspect 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 Inspect and assess bearing parts and rotor.
4.2.5 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 Replace plain bearings with original parts from ABB Turbo Systems.
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