ABB HT842305 Operation Manual page 38

Operation Manual / TPL85-B14/-B15/-B16
4 Operation / 4.3 Servicing work
4.3.4 Service work every 18,000 hours
4.3.5 Service work every 36,000 hours
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It is recommended to have this service work and inspections carried out
by an ABB Turbocharging Service Station.
Remove the filter silencer
u
Clean the filter silencer and inspect for damage
u
Remove the compressor casing internal part
u
Check axial clearance A
u
Clean the compressor wheel, diffuser, wall insert as well as the com-
u
pressor casing and inspect for damage
Without removing them, visually inspect the turbine parts (nozzle
u
ring, turbine diffuser / cover ring and turbine blades) using a bore-
scope for any contamination or damage
Optionally, this inspection can be carried out after removing the gas
inlet casing
Refit the compressor casing internal part
u
Refit the filter silencer
u
The replacement of bearing parts and the inspection and assessment of
the rotor must be carried out by an ABB Turbocharging Service Station.
Remove the filter silencer
u
Clean the filter silencer and inspect for damage
u
Remove the compressor casing internal part
u
Check axial clearance A
u
Clean the diffuser, wall insert and compressor casing and inspect for
u
damage
Remove the gas inlet casing and take out the nozzle ring
u
Clean the nozzle ring and inspect for damage or wear
u
Clean the turbine diffuser / cover ring and inspect for damage or
u
wear
Inspect the rotor and assess its condition
u
Replace plain bearings with original parts from ABB Turbo Systems
u
Fit the turbocharger
u
HZTL2491_EN Revision C August 2018