ABB HT607940 Operation Manual page 105

Operation Manual / TPL67-C.. - TPL71-C..
8 Disassembly and assembly / 8.8 Dismantling and fitting nozzle ring
at turbine end
Tightening torques for
screws (61044) [Nm]
with spiral-wound gasket
Tightening torques for
screws (61044) [Nm]
without spiral-wound
gasket
Checking the tightening
torque
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Tighten screws (61044) in accordance with following procedure and in
u
following order:
Segment connection
Begin with two middle screws of
u
individual segments and then
continue outwards alternately.
NOTICE
Screw tightening sequence
The screw positioning numbers must be marked on the component.
This enables simple and efficient tightening.
Tightening
Step 1
Step 2
Step 3
Tightening
Step 1
Step 3
Beginning with screw 1, tighten all screws in a clockwise direction us-
u
ing tightening torque from step 3.
Remove lifting gear from gas inlet casing (51001).
u
Connect cleaning line (if provided) and fasten insulation to gas inlet
u
casing (51001).
HZTL2488_EN
Flange connection
Tighten diametrically opposite
u
screws alternately.
TPL67-C
Screw in all screws by hand.
40
80
TPL67-C
Screw in all screws by hand.
80
Rev.G
TPL71-C
60
130
TPL71-C
130
March 2020