ABB HT581466 Operation Manual page 103

Operation Manual / TPL67-C.. - TPL71-C..
8 Disassembly and assembly / 8.8 Dismantling and fitting nozzle ring
at turbine end
Segment connection
Flange connection
1) If present
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Remove screws (61044) and one segment (51012) in the lower section.
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Fit two guide studs (90320) as a safety measure.
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Loosen and remove remaining screws (61044) and segments (51012).
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Remove two screws (61044) in lower section.
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Fit two guide studs (90320) as a safety measure.
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Remove remaining screws (61044).
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Pull gas inlet casing complete with nozzle ring away from gas outlet
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casing until nozzle ring can be lifted away.
Remove gas inlet casing and put it down.
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CAUTION
Use suitable underlays when putting down gas inlet casing.
Remove spiral-wound gasket (61050).
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Assembly
Carefully clean grooves and contact surfaces in / on casing and keep
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free from metal chips.
Keep grooves and spiral-wound gasket free from oil and grease.
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HZTL2488_EN Revision E August 2018