ABB HT606993 Operation Manual page 39

Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
4 Operation / 4.2 Servicing work
4.2.4 Service work every 8000 ... 16000 hours
4.2.5 Service work every 24000 ... 36000 hours
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The inspection and assessment of the rotor and the bearing parts must
be carried out by an official ABB Turbocharging service station.
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
u
and erosion or corrosion.
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.
u
The replacement of bearing parts and the inspection and assessment of
the rotor must be carried out by an ABB Turbocharging Service Station.
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
u
cracks and erosion or corrosion.
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 Turbocharging.
u
HZTL2498_EN Rev.F December 2020