Dismantling And Fitting Nozzle Ring At Turbine End - ABB HT573783 Operation Manual

Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
8 Disassembly and assembly / 8.8 Dismantling and fitting nozzle ring
at turbine end
8.8 Dismantling and fitting nozzle ring at turbine
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end
NOTICE
If only the nozzle ring has to be removed, this can be done at the tur-
bine end.
Removing nozzle ring
Remove insulation from gas inlet casing (51001).
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Loop rope around gas inlet casing and secure with lifting gear.
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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.
Remove two hexagon-head screws (61044) together with Verbus
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Ripp® washers (61043) from the bottom section and replace them
with two studs (90177).
To secure, screw hexagon nuts (90178) onto studs (90177).
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HZTL2498_EN Revision C April 2018