ABB HT568005 Operation Manual page 124

NOTICE
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
© Copyright 2016 ABB. All rights reserved.
Disassembly and assembly
Dismantling and fitting nozzle ring at
turbine end
Tighten screws (61044) in accordance with following procedure and in

following order:
Segment connection
Begin with two middle screws of individual segments and then contin-

ue outwards alternately.
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 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).
Operation Manual / TPL76-C
8
8.8
TPL76-C
Screw in all screws hand-tight
140
280
TPL76-C
Screw in all screws hand-tight
280
Page 122