ABB TPL69-A30 Operation Manual page 111

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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
1) If present
TPL73 – TPL77
TPL69
TPL73 – TPL77
© Copyright 2020 . All rights reserved.
Flange connection assembly
Carefully clean slots and contact surfaces of the casings and keep
u
them free of metal chips.
Keep slots and spiral-wound gasket free of oil and grease.
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Fix a new spiral-wound gasket (61050) in the slot using a little super-
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glue (for example "Loctite® 454 gel") applied at three evenly distrib-
uted points.
Fit the nozzle ring. Place the holder (90175) over the nozzle ring, then
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tighten holder (90175) using screw (61044) and Verbus Ripp® washer
(61043).
Align gas inlet casing and secure using hexagon nuts (90178) on studs
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(90177).
Insert and position nozzle ring.
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Remove holder (90175) and screw (61044) together with Verbus Ripp®
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washers (61043).
Coat thread of screws (61044) with high-temperature grease.
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Fit the gas inlet casing flange hand-tight to the gas outlet casing us-
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ing screws (61044) and Verbus Ripp® washers (61043).
Remove the hexagon nuts (90178) from the studs (90177).
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Replace the studs (90177) with hexagon-head screws (61044) and Ver-
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bus Ripp® washers (61043).
HZTL2481_EN
Rev.D
March 2020

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