Operation Manual / TPL67-C.. - TPL71-C..
Disassembly and assembly
8
Dismantling and fitting nozzle ring at
turbine end
8.8
Page 111
© Copyright 2017 ABB. All rights reserved.
Febr
ua
ry
2017
HZ
TL2
488_
EN
Rev
is
ion D
Tighten screws (61044) in accordance with following procedure and in
following order:
Segment connection
Begin with two middle screws of
individual segments and then
continue outwards alternately.
Flange connection
Tighten diametrically opposite
screws alternately.
NOTICE
Screw tightening sequence
The screw positioning numbers must be marked on the component.
This enables simple and efficient tightening.
Tightening
TPL67-C
TPL71-C
Step 1
Screw in all screws by hand.
Step 2
40
60
Step 3
80
130
Tightening
TPL67-C
TPL71-C
Step 1
Screw in all screws by hand.
Step 3
80
130
Beginning with screw 1, tighten all screws in a clockwise direction us-
ing tightening torque from step 3.
Remove lifting gear from gas inlet casing (51001).
Connect cleaning line (if provided) and fasten insulation to gas inlet
casing (51001).
Tightening torques for
screws (61044) [Nm]
with spiral-wound gasket
Tightening torques for
screws (61044) [Nm]
without spiral-wound gas-
ket
Checking the tightening
torque