ABB TPL73-A30 - Page 115

Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
Disassembly and assembly
8
Dismantling and fitting nozzl
e ring at
turbine end
8.8
Page 113
© Copyright 2016 ABB. All rights reserved.
December 2016 HZTL2481_EN Revision B
Flange connection disassembly

Remove two hexagon-head screws (61044) together with Verbus
Ripp® washers (61043) from the bottom section and replace them with
two studs (90177).
 To secure, screw hexagon nuts (90178) onto studs (90177).
 Undo and remove the remaining screws (61044) and Verbus Ripp®
washers (61043).
 Pull gas inlet casing (51001) together with nozzle ring (56001) away
from gas outlet casing (61001) until the nozzle ring can be lifted out.
 Pull the gas inlet casing together with nozzle ring away from the gas
outlet casing until holder (90175) can be fitted from the outside using
screws (61044) and Verbus Ripp® washers (61043).
 Loosen the hexagon nuts (90178) on the studs.
 Fully withdraw the gas inlet casing and remove it.
CAUTION
When setting down the gas inlet casing to one side, use suitable under-
lays and take care not to damage the angles of the insulation.
 Remove spiral-wound gasket (61050).
TPL69
TPL73 – TPL77
1) If provided