ABB HT563866 Operation Manual page 97

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CAUTION
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Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
Disassembly and assembly
Turbine-end removal / fitting of the
nozzle ring
To secure, screw hexagon nuts (90178) onto studs (90177).
Loosen and remove the remaining screws (61044) and Verbus Ripp®
washers (61043) from the gas inlet casing flange (61001).
Pull gas inlet casing complete with nozzle ring just far enough away
from gas outlet casing that nozzle ring (56001) can be lifted away.
Loosen the hexagon nuts (90178) on the studs.
Fully withdraw the gas inlet casing and remove it.
When setting down the gas inlet casing to one side, use suitable
underlays and take care not to damage the angles of the insulation.
Remove (optional) gasket (61050).
Fitting the nozzle ring
Insert (optional) gasket (61050) into groove in gas inlet casing
(61001).
Align gas inlet casing and secure using hexagon nuts (90178) on
studs (90177) .
Insert nozzle ring (56001) and position it.
Brush screw threads (61044) with high temperature grease.
Fit the gas inlet casing flange to the gas outlet casing using screws
(61044) and Verbus Ripp® washers (61043), then tighten it.
Remove the hexagon nuts (90178) from the studs (90177).
Replace the studs (90177) with hexagon-head screws (61044) and
Verbus Ripp® washers (61043).
Remove lifting gear from gas inlet casing (51001).
Secure the insulation to the gas inlet casing (51001).
8
8.8
Page 95

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