Dismantling And Fitting Nozzle Ring At Turbine End - ABB HT603545 Operation Manual

Operation Manual / TPL76-C
8 Disassembly and assembly / 8.8 Dismantling and fitting nozzle ring
at turbine end
8.8 Dismantling and fitting nozzle ring at turbine
If provided
© Copyright 2020 . All rights reserved.
end
If only the nozzle ring needs to be removed, this can be done at the tur-
bine end.
NOTICE
If only the nozzle ring has to be removed, this can be done at the tur-
bine end.
CAUTION
Clogged partial areas on the nozzle ring
If a nozzle ring is found to be clogged over partial areas or covered by
loose parts, it is recommended that you have a turbine blade inspection
including a crack inspection carried out by an ABB Turbocharging Ser-
vice Station.
The fitted spiral-wound gasket (61050) may be used only once!
w
Make ready a new spiral-wound gasket (61050).
u
Disassembly
Remove insulation from gas inlet casing (51001) and disconnect clean-
u
ing pipe (if provided).
Secure gas inlet casing using lifting gear.
u
CAUTION
When looping the securing line around the casing, make sure that no
cleaning pipes are squashed or damaged. Do not fasten the lifting gear
to cleaning pipes under any circumstances.
NOTICE
Mark positions of gas inlet casing and segments.
HZTL2485_EN Rev.G March 2020