ABB TPL73-A30 - Page 118

Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
Disassembly and assembly
8
Dismantling and fitting nozzle ring at
turbine end
8.8
Page 116
© Copyright 2016 ABB.
All rights reserved.
December 2016 HZTL2481_EN Revision B
Segment connection assembly
 Carefully clean slots and contact surfaces of the casings and keep
them free of metal chips.
 Keep slots and spiral-wound gasket free of oil and grease.
NOTICE
Gas inlet casing with segment 51012
In the case of the gas inlet casing with segments, the segments are po-
sitioned with the aid of recesses and cams on the casing.
 Coat the screw threads with high-temperature grease.
 Fix a
new
spiral-wound gasket (61050) in the slot using a little super-
glue (for example "Loctite® 454 gel") applied at three evenly distribut-
ed points.
 Position gas inlet casing complete with nozzle ring on gas outlet cas-
ing (61001).
 Remove the two studs (90177) in the lower area.
 Fit the segment (51012) with the recess on the cam on the gas inlet
casing and fit it loosely using screws (61044).
 Put remaining segments (51012) in place on gas inlet casing (51001)
and fit them loosely using screws (61044).
1) If present