Dismantling And Fitting Nozzle Ring At Turbine End - ABB HT564896 Operation Manual

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8.8
NOTICE
CAUTION
If provided
CAUTION
NOTICE
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Disassembly and assembly
Dismantling and fitting nozzle ring at
turbine end
Dismantling and fitting nozzle ring at turbine
end
If only the nozzle ring has to be removed, this can be done at the
turbine end.
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
Service Station.
The fitted spiral-wound gasket (61050) may be used only once!

Make ready a new spiral-wound gasket (61050).

Disassembly
Remove insulation from gas inlet casing (51001) and disconnect

cleaning pipe (if provided).
Secure gas inlet casing using lifting gear.

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.
Mark positions of gas inlet casing and segments.
Operation Manual / TPL76-C
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