Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
Disassembly and assembly
8
Dismantling and fitting nozzle ring at
turbine end
8.8
Page 118
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D
ec
em
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2016
H
ZT
L2481_
EN
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B
Tightening procedure and order:
Segment connection
Begin with two middle screws of
individual segments and then
continue outwards alternately.
Flange connection
Tighten screws crosswise
NOTICE
Screw tightening sequence
The screw positioning numbers must be marked on the component.
This enables simple and efficient tightening.
Tightening
TPL69-A
TPL73-A
TPL77-A
Step 1
Screw in all screws hand-tight
Step 2
130
190
240
Step 3
260
370
480
Tightening
TPL69-A
TPL73-A
TPL77-A
Step 1
Screw in all screws hand-tight
Step 3
260
370
480
Beginning with screw 1, tighten all screws in a clockwise direction with
tightening torque from step 3.
Remove lifting gear from gas inlet casing (51001).
Connect cleaning pipe (if present) and attach 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