Operation Manual / TPL73-B.. - 85-B11/ -B12
8 Disassembly and assembly / 8.10 Dismantling and fitting nozzle ring
at turbine end
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HZTL2480_EN
Revision D
July 2018
8.10 Dismantling and fitting nozzle ring at turbine
end
If only the nozzle ring needs to be removed, this can be done at the tur-
bine end.
8.10.1
Screw-on variant
Disassembly
u
Remove the insulation from the gas inlet casing (51001).
u
Loop lifting gear through lugs of gas inlet casing.
*) If present
u
Remove two hexagon-head screws (61044) and Verbus Ripp® washers
(61043*) from the bottom section and replace them with two studs
(90177).
u
Screw hexagon nuts (90178) onto studs to secure.
u
Unscrew and remove remaining flange screws.
u
Withdraw the gas inlet casing (51001) with nozzle ring (56001) far
enough out of the gas outlet casing (61001) for the holder (90175)
with the screw (61044) to be fitted from the outside. Tighten the
screw (61044) with a maximum of 10 Nm.
u
Loosen the hexagon nuts (90178) on the studs.
u
Fully withdraw the gas inlet casing and remove it.
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