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Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
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
© Copyright 2020 . All rights reserved.
Tightening procedure and order:
NOTICE
Screw tightening sequence
The screw positioning numbers must be marked on the component.
This enables simple and efficient tightening.
Segment connection
Start with the middle two screws
u
of the individual segments. Con-
tinue outwards alternately.
Tightening
Step 1
Step 2
Step 3
Tightening
Step 1
Step 3
Beginning with screw 1, tighten all screws in a clockwise direction
u
with tightening torque from step 3.
Remove lifting gear from gas inlet casing (51001).
u
Connect cleaning pipe (if present) and attach insulation to gas inlet
u
casing (51001).
HZTL2481_EN
Tighten screws crosswise
u
TPL69-A
TPL73-A
Screw in all screws hand-tight
130
190
260
370
TPL69-A
TPL73-A
Screw in all screws hand-tight
260
370
Flange connection
TPL77-A
240
480
TPL77-A
480
Rev.D
March 2020
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