ABB TPL65-A32 - Page 92

Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
Disassembly and assembly
8
Dismantling and installing the turbine
diffuser and nozzle ring
8.6
Page 90
September 2014 HZTL2498_EN Revision A

Replace two screws (61056) in the gas outlet casing with two guide
studs (90320) in the upper section of the turbine diffuser (63000).
 Fit clamps (90921) over the guide studs (90320) and the studs
(61036).
 To secure the work, screw the nuts (61037) onto the start of stud
threads (61036).
 Remove the remaining screws (61056) and Verbus Ripp® washers
(61057).
 Press the turbine diffuser (63000) free using the press-off screws
(90901) and pull it out it until the clamp (90921) is up against the nut
(61037).
 Loop the lifting gear around the turbine diffuser (63000) and secure it
to a crane.
 Remove nuts (61037) and clamps (90921).
 Fully withdraw the turbine diffuser and remove it.
 Remove the guide studs (90320).
 Pull nozzle ring (56001) forward and remove.
Installing the turbine diffuser and nozzle ring
 Install the nozzle ring and turbine diffuser in the reverse order of
removal.
 Coat the screw threads with high-temperature grease.
 Align nozzle ring with holes or cams in gas inlet casing.
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