Operation Manual / TPL67-C.. - TPL71-C..
Dismantling and fitting nozzle ring at
turbine end
Page 111
© Copyright 2017 ABB. All rights reserved.
February 2017 HZTL2488_EN Revision 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.
Screw tightening sequence
The screw positioning numbers must be marked on the component.
This enables simple and efficient tightening.
Step 1 Screw in all screws by hand.
Step 2 40 60
Step 1 Screw in all screws by hand.
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