Dismantling And Fitting Nozzle Ring At Turbine End - ABB HT595952 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
If only the nozzle ring needs to be removed, this can be done at the tur-
bine end.
Removing nozzle ring
Remove insulation from gas inlet casing (51001).
u
Loop rope around gas inlet casing and secure with lifting gear.
u
CAUTION
When looping the securing rope 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
u
Ripp® washers (61043) from the bottom section and replace them
with two studs (90177).
To secure, screw hexagon nuts (90178) onto studs (90177).
u
Loosen and remove the remaining screws (61044) and Verbus Ripp®
u
washers (61043) from the gas inlet casing flange (61001).
HZTL2498_EN Rev.E March 2020