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Operation Manual / Power2 650-M / 4.3 Gas piping GEJ920
2 Periodic maintenance /
© Copyright 2017 ABB. All rights reserved.
HZTL4067_EN
Revision -
July 2017
2
Periodic maintenance
Component to be maintained
Recommended cleaning interval
Operating state
Gas piping
At every disassembly
Engine stopped
Table 2: 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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