ABB PT003888 - Periodic Maintenance; Table 69: Maintenance Interval

Operation Manual / Power2 340-H / Low-pressure stage
15 Gas piping (option) / 15.2 Periodic maintenance
© Copyright 2022 ABB. All rights reserved. HZTL4053_EN Rev.F March 2022
15.2 Periodic maintenance
Component to be maintained Recommended cleaning interval Operating state
Gas piping At every disassembly Engine stopped
Table69: Maintenance interval
The following maintenance work must be carried out on the gas piping:
u If present: Remove insulation.
u Perform a visual inspection for cracks and deposits.
Always replace bellows with cracks with a new bellows.
Remove any deposits found on the bellows mechanically (using brushes).
u Perform a visual inspection of the sealing points (flange connection to the gas inlet cas-
ing and gas outlet casing).
Always replace bellows with damaged sealing locations with a new bellows.
Always replace dismantled gaskets with new gaskets.
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