Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
8 Disassembly and assembly / 8.8 Dismantling and fitting nozzle ring
at turbine end
© Copyright 2020 . All rights reserved.
HZTL2481_EN
Rev.D
March 2020
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
u
Start with the middle two screws
of the individual segments. Con-
tinue outwards alternately.
Flange connection
u
Tighten screws crosswise
Tightening torques for
screws (61044) [Nm]
with spiral-wound gasket
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 torques for
screws (61044) [Nm]
without spiral-wound
gasket
Tightening
TPL69-A
TPL73-A
TPL77-A
Step 1
Screw in all screws hand-tight
Step 3
260
370
480
Checking the tightening
torque
u
Beginning with screw 1, tighten all screws in a clockwise direction
with tightening torque from step 3.
u
Remove lifting gear from gas inlet casing (51001).
u
Connect cleaning pipe (if present) and attach insulation to gas inlet
casing (51001).
Page
111
/
134