ABB HT563116 Operation Manual page 69

Operation Manual / 4 Product description / A130-M.. - A145-M..
5 Operation and service
5.2.5 Other service work
If a protective grid is installed in the gas outlet casing (61001) by ABB Turbo Systems:
Figure 21: Replacing the protective grid
Remove the protective grid (61205) after 50000 hours and replace it with a new one.
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Revision C February 2016