Cleaning The High-Pressure Stage Bellows (If Present); Cleaning Turbine And Nozzle Ring During Operation; Fig. 26: Bellows - ABB Power2 340-H44 Operation Manual

Operation Manual / Power2 340-H / High-pressure stage
7 Periodic maintenance / 7.3 Cleaning the high-pressure stage bellows
(if present)
If the cleaning is still unsuccessful after three processes and the engine values are unsatis-
factory, it is recommended to have the low-pressure and / or high-pressure stage checked
and cleaned by a service station.
7.3 Cleaning the high-pressure stage bellows (if
present)
The disassembly and assembly of the bellows (82300) is described in chapter "Disassembly
and assembly".
Fig. 26: Bellows
The following maintenance work must be carried out on the bellows (82300):
Remove insulation (if present).
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Perform a visual inspection for cracks, deposits and corrosion damage.
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Always replace cracked bellows with a new bellows.
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If deposits and water residue are present, clean the bellows with water.
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Perform a visual inspection of the sealing points (flange connection to the compressor
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casing and air suction branch).
Always replace bellows with a damaged sealing point with a new bellows.
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7.4

Cleaning turbine and nozzle ring during operation

Power2 340-H is carried out without turbine cleaning function.
© Copyright 2022 ABB. All rights reserved. HZTL4054_EN Rev.F March 2022